#!/usr/bin/env bash
PROGRAM="osync" # Rsync based two way sync engine with fault tolerance
AUTHOR="(C) 2013-2016 by Orsiris de Jong"
CONTACT="http://www.netpower.fr/osync - ozy@netpower.fr"
PROGRAM_VERSION=1.2-beta3
PROGRAM_BUILD=2016112401
IS_STABLE=no
#### MINIMAL-FUNCTION-SET BEGIN ####
## FUNC_BUILD=2016112401
## BEGIN Generic bash functions written in 2013-2016 by Orsiris de Jong - http://www.netpower.fr - ozy@netpower.fr
## To use in a program, define the following variables:
## PROGRAM=program-name
## INSTANCE_ID=program-instance-name
## _DEBUG=yes/no
## _LOGGER_LOGGER_SILENT=true/false
## _LOGGER_LOGGER_VERBOSE=true/false
## _LOGGER_ERR_ONLY=true/false
## _LOGGER_PREFIX="date"/"time"/""
## Logger sets {ERROR|WARN}_ALERT variable when called with critical / error / warn loglevel
## When called from subprocesses, variable of main process can't be set. Status needs to be get via $RUN_DIR/$PROGRAM.Logger.{error|warn}.$SCRIPT_PID
## META ISSUES
##
## Updated _LOGGER_STDERR
## Updated WaitForTaskCompletion syntax
## Updated ParallelExec syntax
## SendEmail WinNT10 & msys are two totally different beasts. Document in sync.conf and host_backup.conf
if ! type "$BASH" > /dev/null; then
echo "Please run this script only with bash shell. Tested on bash >= 3.2"
exit 127
fi
## Correct output of sort command (language agnostic sorting)
export LC_ALL=C
# Standard alert mail body
MAIL_ALERT_MSG="Execution of $PROGRAM instance $INSTANCE_ID on $(date) has warnings/errors."
# Environment variables that can be overriden by programs
_DRYRUN=false
_LOGGER_SILENT=false
_LOGGER_VERBOSE=false
_LOGGER_ERR_ONLY=false
_LOGGER_PREFIX="date"
if [ "$KEEP_LOGGING" == "" ]; then
KEEP_LOGGING=1801
fi
# Initial error status, logging 'WARN', 'ERROR' or 'CRITICAL' will enable alerts flags
ERROR_ALERT=false
WARN_ALERT=false
## allow debugging from command line with _DEBUG=yes
if [ ! "$_DEBUG" == "yes" ]; then
_DEBUG=no
SLEEP_TIME=.05
_LOGGER_VERBOSE=false
else
if [ "$SLEEP_TIME" == "" ]; then # Leave the possibity to set SLEEP_TIME as environment variable when runinng with bash -x in order to avoid spamming console
SLEEP_TIME=.05
fi
trap 'TrapError ${LINENO} $?' ERR
_LOGGER_VERBOSE=true
fi
SCRIPT_PID=$$
LOCAL_USER=$(whoami)
LOCAL_HOST=$(hostname)
if [ "$PROGRAM" == "" ]; then
PROGRAM="ofunctions"
fi
## Default log file until config file is loaded
if [ -w /var/log ]; then
LOG_FILE="/var/log/$PROGRAM.log"
elif ([ "$HOME" != "" ] && [ -w "$HOME" ]); then
LOG_FILE="$HOME/$PROGRAM.log"
else
LOG_FILE="./$PROGRAM.log"
fi
## Default directory where to store temporary run files
if [ -w /tmp ]; then
RUN_DIR=/tmp
elif [ -w /var/tmp ]; then
RUN_DIR=/var/tmp
else
RUN_DIR=.
fi
# Default alert attachment filename
ALERT_LOG_FILE="$RUN_DIR/$PROGRAM.$SCRIPT_PID.last.log"
# Set error exit code if a piped command fails
set -o pipefail
set -o errtrace
function Dummy {
sleep $SLEEP_TIME
}
# Sub function of Logger
function _Logger {
local logValue="${1}" # Log to file
local stdValue="${2}" # Log to screeen
local toStderr="${3:-false}" # Log to stderr instead of stdout
echo -e "$logValue" >> "$LOG_FILE"
# Current log file
echo -e "$logValue" >> "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID"
if [ "$stdValue" != "" ] && [ "$_LOGGER_SILENT" != true ]; then
if [ $toStderr == true ]; then
# Force stderr color in subshell
(>&2 echo -e "$stdValue")
else
echo -e "$stdValue"
fi
fi
}
# General log function with log levels:
# Environment variables
# _LOGGER_SILENT: Disables any output to stdout & stderr
# _LOGGER_STD_ERR: Disables any output to stdout except for ALWAYS loglevel
# _LOGGER_VERBOSE: Allows VERBOSE loglevel messages to be sent to stdout
# Loglevels
# Except for VERBOSE, all loglevels are ALWAYS sent to log file
# CRITICAL, ERROR, WARN sent to stderr, color depending on level, level also logged
# NOTICE sent to stdout
# VERBOSE sent to stdout if _LOGGER_VERBOSE = true
# ALWAYS is sent to stdout unless _LOGGER_SILENT = true
# DEBUG & PARANOIA_DEBUG are only sent to stdout if _DEBUG=yes
function Logger {
local value="${1}" # Sentence to log (in double quotes)
local level="${2}" # Log level
if [ "$_LOGGER_PREFIX" == "time" ]; then
prefix="TIME: $SECONDS - "
elif [ "$_LOGGER_PREFIX" == "date" ]; then
prefix="$(date) - "
else
prefix=""
fi
if [ "$level" == "CRITICAL" ]; then
_Logger "$prefix($level):$value" "$prefix\e[41m$value\e[0m" true
ERROR_ALERT=true
# ERROR_ALERT / WARN_ALERT isn't set in main when Logger is called from a subprocess. Need to keep this flag.
echo "1" > "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.error.$SCRIPT_PID"
return
elif [ "$level" == "ERROR" ]; then
_Logger "$prefix($level):$value" "$prefix\e[91m$value\e[0m" true
ERROR_ALERT=true
echo "1" > "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.error.$SCRIPT_PID"
return
elif [ "$level" == "WARN" ]; then
_Logger "$prefix($level):$value" "$prefix\e[33m$value\e[0m" true
WARN_ALERT=true
echo "1" > "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.warn.$SCRIPT_PID"
return
elif [ "$level" == "NOTICE" ]; then
if [ "$_LOGGER_ERR_ONLY" != true ]; then
_Logger "$prefix$value" "$prefix$value"
fi
return
elif [ "$level" == "VERBOSE" ]; then
if [ $_LOGGER_VERBOSE == true ]; then
_Logger "$prefix:$value" "$prefix$value"
fi
return
elif [ "$level" == "ALWAYS" ]; then
_Logger "$prefix$value" "$prefix$value"
return
elif [ "$level" == "DEBUG" ]; then
if [ "$_DEBUG" == "yes" ]; then
_Logger "$prefix$value" "$prefix$value"
return
fi
else
_Logger "\e[41mLogger function called without proper loglevel [$level].\e[0m"
_Logger "Value was: $prefix$value"
fi
}
# QuickLogger subfunction, can be called directly
function _QuickLogger {
local value="${1}"
local destination="${2}" # Destination: stdout, log, both
if ([ "$destination" == "log" ] || [ "$destination" == "both" ]); then
echo -e "$(date) - $value" >> "$LOG_FILE"
elif ([ "$destination" == "stdout" ] || [ "$destination" == "both" ]); then
echo -e "$value"
fi
}
# Generic quick logging function
function QuickLogger {
local value="${1}"
if [ $_LOGGER_SILENT == true ]; then
_QuickLogger "$value" "log"
else
_QuickLogger "$value" "stdout"
fi
}
# Portable child (and grandchild) kill function tester under Linux, BSD and MacOS X
function KillChilds {
local pid="${1}" # Parent pid to kill childs
local self="${2:-false}" # Should parent be killed too ?
if children="$(pgrep -P "$pid")"; then
for child in $children; do
KillChilds "$child" true
done
fi
# Try to kill nicely, if not, wait 15 seconds to let Trap actions happen before killing
if ( [ "$self" == true ] && kill -0 "$pid" > /dev/null 2>&1); then
Logger "Sending SIGTERM to process [$pid]." "DEBUG"
kill -s TERM "$pid"
if [ $? != 0 ]; then
sleep 15
Logger "Sending SIGTERM to process [$pid] failed." "DEBUG"
kill -9 "$pid"
if [ $? != 0 ]; then
Logger "Sending SIGKILL to process [$pid] failed." "DEBUG"
return 1
fi
else
return 0
fi
else
return 0
fi
}
function KillAllChilds {
local pids="${1}" # List of parent pids to kill separated by semi-colon
local self="${2:-false}" # Should parent be killed too ?
local errorcount=0
IFS=';' read -a pidsArray <<< "$pids"
for pid in "${pidsArray[@]}"; do
KillChilds $pid $self
if [ $? != 0 ]; then
errorcount=$((errorcount+1))
fi
done
return $errorcount
}
# osync/obackup/pmocr script specific mail alert function, use SendEmail function for generic mail sending
function SendAlert {
local runAlert="${1:-false}" # Specifies if current message is sent while running or at the end of a run
local attachment
local attachmentFile
local subject
local body
if [ "$DESTINATION_MAILS" == "" ]; then
return 0
fi
if [ "$_DEBUG" == "yes" ]; then
Logger "Debug mode, no warning mail will be sent." "NOTICE"
return 0
fi
# <OSYNC SPECIFIC>
if [ "$_QUICK_SYNC" == "2" ]; then
Logger "Current task is a quicksync task. Will not send any alert." "NOTICE"
return 0
fi
# </OSYNC SPECIFIC>
eval "cat \"$LOG_FILE\" $COMPRESSION_PROGRAM > $ALERT_LOG_FILE"
if [ $? != 0 ]; then
Logger "Cannot create [$ALERT_LOG_FILE]" "WARN"
attachment=false
else
attachment=true
fi
if [ -e "$RUN_DIR/$PROGRAM._Logger.$SCRIPT_PID" ]; then
body="$MAIL_ALERT_MSG"$'\n\n'"$(cat $RUN_DIR/$PROGRAM._Logger.$SCRIPT_PID)"
fi
if [ $ERROR_ALERT == true ]; then
subject="Error alert for $INSTANCE_ID"
elif [ $WARN_ALERT == true ]; then
subject="Warning alert for $INSTANCE_ID"
else
subject="Alert for $INSTANCE_ID"
fi
if [ $runAlert == true ]; then
subject="Currently runing - $subject"
else
subject="Fnished run - $subject"
fi
if [ "$attachment" == true ]; then
attachmentFile="$ALERT_LOG_FILE"
fi
SendEmail "$subject" "$body" "$DESTINATION_MAILS" "$attachmentFile" "$SENDER_MAIL" "$SMTP_SERVER" "$SMTP_PORT" "$ENCRYPTION" "SMTP_USER" "$SMTP_PASSWORD"
# Delete tmp log file
if [ "$attachment" == true ]; then
if [ -f "$ALERT_LOG_FILE" ]; then
rm -f "$ALERT_LOG_FILE"
fi
fi
}
# Generic email sending function.
# Usage (linux / BSD), attachment is optional, can be "/path/to/my.file" or ""
# SendEmail "subject" "Body text" "receiver@example.com receiver2@otherdomain.com" "/path/to/attachment.file"
# Usage (Windows, make sure you have mailsend.exe in executable path, see http://github.com/muquit/mailsend)
# attachment is optional but must be in windows format like "c:\\some\path\\my.file", or ""
# smtp_server.domain.tld is mandatory, as is smtpPort (should be 25, 465 or 587)
# encryption can be set to tls, ssl or none
# smtpUser and smtpPassword are optional
# SendEmail "subject" "Body text" "receiver@example.com receiver2@otherdomain.com" "/path/to/attachment.file" "senderMail@example.com" "smtpServer.domain.tld" "smtpPort" "encryption" "smtpUser" "smtpPassword"
function SendEmail {
local subject="${1}"
local message="${2}"
local destinationMails="${3}"
local attachment="${4}"
local senderMail="${5}"
local smtpServer="${6}"
local smtpPort="${7}"
local encryption="${8}"
local smtpUser="${9}"
local smtpPassword="${10}"
# CheckArguments will report a warning that can be ignored if used in Windows with paranoia debug enabled
local mail_no_attachment=
local attachment_command=
local encryption_string=
local auth_string=
if [ ! -f "$attachment" ]; then
attachment_command="-a $attachment"
mail_no_attachment=1
else
mail_no_attachment=0
fi
if [ "$LOCAL_OS" == "Busybox" ] || [ "$LOCAL_OS" == "Android" ]; then
if type sendmail > /dev/null 2>&1; then
if [ "$ENCRYPTION" == "tls" ]; then
echo -e "Subject:$subject\r\n$message" | $(type -p sendmail) -f "$SenderMail" -H "exec openssl s_client -quiet -tls1_2 -starttls smtp -connect $smtpServer:$smtpPort" -au"$smtpUser" -ap"$smtpPassword" "$destinationMails"
elif [ "$ENCRYPTION" == "ssl" ]; then
echo -e "Subject:$subject\r\n$message" | $(type -p sendmail) -f "$SenderMail" -H "exec openssl s_client -quiet -connect $smtpServer:$smtpPort" -au"$smtpUser" -ap"$smtpPassword" "$destinationMails"
else
echo -e "Subject:$subject\r\n$message" | $(type -p sendmail) -f "$SenderMail" -S "$smtpServer:$SmtpPort" -au"$smtpUser" -ap"$smtpPassword" "$destinationMails"
fi
if [ $? != 0 ]; then
Logger "Cannot send alert mail via $(type -p sendmail) !!!" "WARN"
# Don't bother try other mail systems with busybox
return 1
else
return 0
fi
else
Logger "Sendmail not present. Won't send any mail" "WARN"
return 1
fi
fi
if type mutt > /dev/null 2>&1 ; then
echo "$message" | $(type -p mutt) -x -s "$subject" "$destinationMails" $attachment_command
if [ $? != 0 ]; then
Logger "Cannot send mail via $(type -p mutt) !!!" "WARN"
else
Logger "Sent mail using mutt." "NOTICE"
return 0
fi
fi
if type mail > /dev/null 2>&1 ; then
# We need to detect which version of mail is installed
if ! $(type -p mail) -V > /dev/null 2>&1; then
# This may be MacOS mail program
attachment_command=""
elif [ "$mail_no_attachment" -eq 0 ] && $(type -p mail) -V | grep "GNU" > /dev/null; then
attachment_command="-A $attachment"
elif [ "$mail_no_attachment" -eq 0 ] && $(type -p mail) -V > /dev/null; then
attachment_command="-a$attachment"
else
attachment_command=""
fi
echo "$message" | $(type -p mail) $attachment_command -s "$subject" "$destinationMails"
if [ $? != 0 ]; then
Logger "Cannot send mail via $(type -p mail) with attachments !!!" "WARN"
echo "$message" | $(type -p mail) -s "$subject" "$destinationMails"
if [ $? != 0 ]; then
Logger "Cannot send mail via $(type -p mail) without attachments !!!" "WARN"
else
Logger "Sent mail using mail command without attachment." "NOTICE"
return 0
fi
else
Logger "Sent mail using mail command." "NOTICE"
return 0
fi
fi
if type sendmail > /dev/null 2>&1 ; then
echo -e "Subject:$subject\r\n$message" | $(type -p sendmail) "$destinationMails"
if [ $? != 0 ]; then
Logger "Cannot send mail via $(type -p sendmail) !!!" "WARN"
else
Logger "Sent mail using sendmail command without attachment." "NOTICE"
return 0
fi
fi
# Windows specific
if type "mailsend.exe" > /dev/null 2>&1 ; then
if [ "$senderMail" == "" ]; then
Logger "Missing sender email." "ERROR"
return 1
fi
if [ "$smtpServer" == "" ]; then
Logger "Missing smtp port." "ERROR"
return 1
fi
if [ "$smtpPort" == "" ]; then
Logger "Missing smtp port, assuming 25." "WARN"
smtpPort=25
fi
if [ "$encryption" != "tls" ] && [ "$encryption" != "ssl" ] && [ "$encryption" != "none" ]; then
Logger "Bogus smtp encryption, assuming none." "WARN"
encryption_string=
elif [ "$encryption" == "tls" ]; then
encryption_string=-starttls
elif [ "$encryption" == "ssl" ]:; then
encryption_string=-ssl
fi
if [ "$smtpUser" != "" ] && [ "$smtpPassword" != "" ]; then
auth_string="-auth -user \"$smtpUser\" -pass \"$smtpPassword\""
fi
$(type mailsend.exe) -f "$senderMail" -t "$destinationMails" -sub "$subject" -M "$message" -attach "$attachment" -smtp "$smtpServer" -port "$smtpPort" $encryption_string $auth_string
if [ $? != 0 ]; then
Logger "Cannot send mail via $(type mailsend.exe) !!!" "WARN"
else
Logger "Sent mail using mailsend.exe command with attachment." "NOTICE"
return 0
fi
fi
# pfSense specific
if [ -f /usr/local/bin/mail.php ]; then
echo "$message" | /usr/local/bin/mail.php -s="$subject"
if [ $? != 0 ]; then
Logger "Cannot send mail via /usr/local/bin/mail.php (pfsense) !!!" "WARN"
else
Logger "Sent mail using pfSense mail.php." "NOTICE"
return 0
fi
fi
# If function has not returned 0 yet, assume it is critical that no alert can be sent
Logger "Cannot send mail (neither mutt, mail, sendmail, sendemail, mailsend (windows) or pfSense mail.php could be used)." "ERROR" # Is not marked critical because execution must continue
}
function TrapError {
local job="$0"
local line="$1"
local code="${2:-1}"
if [ $_LOGGER_SILENT == false ]; then
echo -e "\e[45m/!\ ERROR in ${job}: Near line ${line}, exit code ${code}\e[0m"
fi
}
function LoadConfigFile {
local configFile="${1}"
if [ ! -f "$configFile" ]; then
Logger "Cannot load configuration file [$configFile]. Cannot start." "CRITICAL"
exit 1
elif [[ "$configFile" != *".conf" ]]; then
Logger "Wrong configuration file supplied [$configFile]. Cannot start." "CRITICAL"
exit 1
else
# Remove everything that is not a variable assignation
grep '^[^ ]*=[^;&]*' "$configFile" > "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID"
source "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID"
fi
CONFIG_FILE="$configFile"
}
function Spinner {
if [ $_LOGGER_SILENT == true ] || [ "$_LOGGER_ERR_ONLY" == true ]; then
return 0
fi
case $_OFUNCTIONS_SPINNER_TOGGLE
in
1)
echo -n " \ "
echo -ne "\r"
_OFUNCTIONS_SPINNER_TOGGLE=2
;;
2)
echo -n " | "
echo -ne "\r"
_OFUNCTIONS_SPINNER_TOGGLE=3
;;
3)
echo -n " / "
echo -ne "\r"
_OFUNCTIONS_SPINNER_TOGGLE=4
;;
*)
echo -n " - "
echo -ne "\r"
_OFUNCTIONS_SPINNER_TOGGLE=1
;;
esac
}
# Array to string converter, see http://stackoverflow.com/questions/1527049/bash-join-elements-of-an-array
# usage: joinString separaratorChar Array
function joinString {
local IFS="$1"; shift; echo "$*";
}
# Time control function for background processes, suitable for multiple synchronous processes
# Fills a global variable called WAIT_FOR_TASK_COMPLETION that contains list of failed pids in format pid1:result1;pid2:result2
# Warning: Don't imbricate this function into another run if you plan to use the global variable output
# Standard wait $! emulation would be WaitForTaskCompletion $! 0 0 1 0 true false true "${FUNCNAME[0]}"
function WaitForTaskCompletion {
local pids="${1}" # pids to wait for, separated by semi-colon
local softMaxTime="${2:-0}" # If process(es) with pid(s) $pids take longer than $softMaxTime seconds, will log a warning, unless $softMaxTime equals 0.
local hardMaxTime="${3:-0}" # If process(es) with pid(s) $pids take longer than $hardMaxTime seconds, will stop execution, unless $hardMaxTime equals 0.
local sleepTime="${4:-.05}" # Seconds between each state check, the shorter this value, the snappier it will be, but as a tradeoff cpu power will be used (general values between .05 and 1).
local keepLogging="${5:-0}" # Every keepLogging seconds, an alive log message is send. Setting this value to zero disables any alive logging.
local counting="${6:-true}" # Count time since function has been launched (true), or since script has been launched (false)
local spinner="${7:-true}" # Show spinner (true), don't show anything (false)
local noError="${8:-false}" # Log errors when reaching soft / hard max time (false), don't log errors on those triggers (true)
local callerName="${9}" # Name of the function who called this function for debugging purposes, generally ${FUNCNAME[0]}
local soft_alert=false # Does a soft alert need to be triggered, if yes, send an alert once
local log_ttime=0 # local time instance for comparaison
local seconds_begin=$SECONDS # Seconds since the beginning of the script
local exec_time=0 # Seconds since the beginning of this function
local retval=0 # return value of monitored pid process
local errorcount=0 # Number of pids that finished with errors
local pid # Current pid working on
local pidCount # number of given pids
local pidState # State of the process
local pidsArray # Array of currently running pids
local newPidsArray # New array of currently running pids
IFS=';' read -a pidsArray <<< "$pids"
pidCount=${#pidsArray[@]}
WAIT_FOR_TASK_COMPLETION=""
while [ ${#pidsArray[@]} -gt 0 ]; do
newPidsArray=()
if [ $spinner == true ]; then
Spinner
fi
if [ $counting == true ]; then
exec_time=$(($SECONDS - $seconds_begin))
else
exec_time=$SECONDS
fi
if [ $keepLogging -ne 0 ]; then
if [ $((($exec_time + 1) % $keepLogging)) -eq 0 ]; then
if [ $log_ttime -ne $exec_time ]; then # Fix when sleep time lower than 1s
log_ttime=$exec_time
Logger "Current tasks still running with pids [$(joinString , ${pidsArray[@]})]." "NOTICE"
fi
fi
fi
if [ $exec_time -gt $softMaxTime ]; then
if [ $soft_alert != true ] && [ $softMaxTime -ne 0 ] && [ $noError != true ]; then
Logger "Max soft execution time exceeded for task [$callerName] with pids [$(joinString , ${pidsArray[@]})]." "WARN"
soft_alert=true
SendAlert true
fi
if [ $exec_time -gt $hardMaxTime ] && [ $hardMaxTime -ne 0 ]; then
if [ $noError != true ]; then
Logger "Max hard execution time exceeded for task [$callerName] with pids [$(joinString , ${pidsArray[@]})]. Stopping task execution." "ERROR"
fi
for pid in "${pidsArray[@]}"; do
KillChilds $pid true
if [ $? == 0 ]; then
Logger "Task with pid [$pid] stopped successfully." "NOTICE"
else
Logger "Could not stop task with pid [$pid]." "ERROR"
fi
done
if [ $noError != true ]; then
SendAlert true
fi
fi
fi
for pid in "${pidsArray[@]}"; do
if [ $(IsInteger $pid) -eq 1 ]; then
if kill -0 $pid > /dev/null 2>&1; then
# Handle uninterruptible sleep state or zombies by ommiting them from running process array (How to kill that is already dead ? :)
pidState="$(eval $PROCESS_STATE_CMD)"
if [ "$pidState" != "D" ] && [ "$pidState" != "Z" ]; then
newPidsArray+=($pid)
fi
else
# pid is dead, get it's exit code from wait command
wait $pid
retval=$?
if [ $retval -ne 0 ]; then
errorcount=$((errorcount+1))
Logger "${FUNCNAME[0]} called by [$callerName] finished monitoring [$pid] with exitcode [$retval]." "DEBUG"
if [ "$WAIT_FOR_TASK_COMPLETION" == "" ]; then
WAIT_FOR_TASK_COMPLETION="$pid:$retval"
else
WAIT_FOR_TASK_COMPLETION=";$pid:$retval"
fi
fi
fi
fi
done
pidsArray=("${newPidsArray[@]}")
# Trivial wait time for bash to not eat up all CPU
sleep $sleepTime
done
# Return exit code if only one process was monitored, else return number of errors
if [ $pidCount -eq 1 ] && [ $errorcount -eq 0 ]; then
return $errorcount
else
return $errorcount
fi
}
# Take a list of commands to run, runs them sequentially with numberOfProcesses commands simultaneously runs
# Returns the number of non zero exit codes from commands
# Use cmd1;cmd2;cmd3 syntax for small sets, use file for large command sets
# Only 2 first arguments are mandatory
function ParallelExec {
local numberOfProcesses="${1}" # Number of simultaneous commands to run
local commandsArg="${2}" # Semi-colon separated list of commands, or path to file containing one command per line
local readFromFile="${3:-false}" # commandsArg is a file (true), or a string (false)
local softMaxTime="${4:-0}" # If process(es) with pid(s) $pids take longer than $softMaxTime seconds, will log a warning, unless $softMaxTime equals 0.
local hardMaxTime="${5:-0}" # If process(es) with pid(s) $pids take longer than $hardMaxTime seconds, will stop execution, unless $hardMaxTime equals 0.
local sleepTime="${6:-.05}" # Seconds between each state check, the shorter this value, the snappier it will be, but as a tradeoff cpu power will be used (general values between .05 and 1).
local keepLogging="${7:-0}" # Every keepLogging seconds, an alive log message is send. Setting this value to zero disables any alive logging.
local counting="${8:-true}" # Count time since function has been launched (true), or since script has been launched (false)
local spinner="${9:-false}" # Show spinner (true), don't show spinner (false)
local noError="${10:-false}" # Log errors when reaching soft / hard max time (false), don't log errors on those triggers (true)
local callerName="${11:-false}" # Name of the function who called this function for debugging purposes, generally ${FUNCNAME[0]}
local soft_alert=false # Does a soft alert need to be triggered, if yes, send an alert once
local log_ttime=0 # local time instance for comparaison
local seconds_begin=$SECONDS # Seconds since the beginning of the script
local exec_time=0 # Seconds since the beginning of this function
local commandCount
local command
local pid
local counter=0
local commandsArray
local pidsArray
local newPidsArray
local retval
local errorCount=0
local pidState
local commandsArrayPid
if [ $readFromFile == true ];then
if [ -f "$commandsArg" ]; then
commandCount=$(wc -l < "$commandsArg")
else
commandCount=0
fi
else
IFS=';' read -r -a commandsArray <<< "$commandsArg"
commandCount=${#commandsArray[@]}
fi
Logger "Runnning $commandCount commands in $numberOfProcesses simultaneous processes." "DEBUG"
while [ $counter -lt "$commandCount" ] || [ ${#pidsArray[@]} -gt 0 ]; do
if [ $spinner == true ]; then
Spinner
fi
if [ $counting == true ]; then
exec_time=$(($SECONDS - $seconds_begin))
else
exec_time=$SECONDS
fi
if [ $keepLogging -ne 0 ]; then
if [ $((($exec_time + 1) % $keepLogging)) -eq 0 ]; then
if [ $log_ttime -ne $exec_time ]; then # Fix when sleep time lower than 1s
log_ttime=$exec_time
Logger "Current tasks still running with pids [$(joinString , ${pidsArray[@]})]." "NOTICE"
fi
fi
fi
if [ $exec_time -gt $softMaxTime ]; then
if [ $soft_alert != true ] && [ $softMaxTime -ne 0 ] && [ $noError != true ]; then
Logger "Max soft execution time exceeded for task [$callerName] with pids [$(joinString , ${pidsArray[@]})]." "WARN"
soft_alert=true
SendAlert true
fi
if [ $exec_time -gt $hardMaxTime ] && [ $hardMaxTime -ne 0 ]; then
if [ $noError != true ]; then
Logger "Max hard execution time exceeded for task [$callerName] with pids [$(joinString , ${pidsArray[@]})]. Stopping task execution." "ERROR"
fi
for pid in "${pidsArray[@]}"; do
KillChilds $pid true
if [ $? == 0 ]; then
Logger "Task with pid [$pid] stopped successfully." "NOTICE"
else
Logger "Could not stop task with pid [$pid]." "ERROR"
fi
done
if [ $noError != true ]; then
SendAlert true
fi
# Return the number of commands that haven't run / finished run
return $(($commandCount - $counter + ${#pidsArray[@]}))
fi
fi
while [ $counter -lt "$commandCount" ] && [ ${#pidsArray[@]} -lt $numberOfProcesses ]; do
if [ $readFromFile == true ]; then
command=$(awk 'NR == num_line {print; exit}' num_line=$((counter+1)) "$commandsArg")
else
command="${commandsArray[$counter]}"
fi
Logger "Running command [$command]." "DEBUG"
eval "$command" >> "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$callerName.$SCRIPT_PID" 2>&1 &
pid=$!
pidsArray+=($pid)
commandsArrayPid[$pid]="$command"
counter=$((counter+1))
done
newPidsArray=()
for pid in "${pidsArray[@]}"; do
if [ $(IsInteger $pid) -eq 1 ]; then
# Handle uninterruptible sleep state or zombies by ommiting them from running process array (How to kill that is already dead ? :)
if kill -0 $pid > /dev/null 2>&1; then
#pidState=$(ps -p$pid -o state= 2 > /dev/null)
pidState="$(eval $PROCESS_STATE_CMD)"
if [ "$pidState" != "D" ] && [ "$pidState" != "Z" ]; then
newPidsArray+=($pid)
fi
else
# pid is dead, get it's exit code from wait command
wait $pid
retval=$?
if [ $retval -ne 0 ]; then
Logger "Command [${commandsArrayPid[$pid]}] failed with exit code [$retval]." "ERROR"
errorCount=$((errorCount+1))
fi
fi
fi
done
pidsArray=("${newPidsArray[@]}")
# Trivial wait time for bash to not eat up all CPU
sleep $SLEEP_TIME
done
return $errorCount
}
function CleanUp {
if [ "$_DEBUG" != "yes" ]; then
rm -f "$RUN_DIR/$PROGRAM."*".$SCRIPT_PID"
# Fix for sed -i requiring backup extension for BSD & Mac (see all sed -i statements)
rm -f "$RUN_DIR/$PROGRAM."*".$SCRIPT_PID.tmp"
fi
}
# obsolete, use StripQuotes
function SedStripQuotes {
echo $(echo $1 | sed "s/^\([\"']\)\(.*\)\1\$/\2/g")
}
# Usage: var=$(StripSingleQuotes "$var")
function StripSingleQuotes {
local string="${1}"
string="${string/#\'/}" # Remove singlequote if it begins string
string="${string/%\'/}" # Remove singlequote if it ends string
echo "$string"
}
# Usage: var=$(StripDoubleQuotes "$var")
function StripDoubleQuotes {
local string="${1}"
string="${string/#\"/}"
string="${string/%\"/}"
echo "$string"
}
function StripQuotes {
local string="${1}"
echo "$(StripSingleQuotes $(StripDoubleQuotes $string))"
}
# Usage var=$(EscapeSpaces "$var") or var="$(EscapeSpaces "$var")"
function EscapeSpaces {
local string="${1}" # String on which spaces will be escaped
echo "${string// /\\ }"
}
function IsNumericExpand {
eval "local value=\"${1}\"" # Needed eval so variable variables can be processed
local re="^-?[0-9]+([.][0-9]+)?$"
if [[ $value =~ ^-?[0-9]+([.][0-9]+)?$ ]]; then
echo 1
else
echo 0
fi
}
# Usage [ $(IsNumeric $var) -eq 1 ]
function IsNumeric {
local value="${1}"
if [[ $value =~ ^[0-9]+([.][0-9]+)?$ ]]; then
echo 1
else
echo 0
fi
}
function IsInteger {
local value="${1}"
if [[ $value =~ ^[0-9]+$ ]]; then
echo 1
else
echo 0
fi
}
# Converts human readable sizes into integer kilobyte sizes
# Usage numericSize="$(HumanToNumeric $humanSize)"
function HumanToNumeric {
local value="${1}"
local notation
local suffix
local suffixPresent
local multiplier
notation=(K M G T P E)
for suffix in "${notation[@]}"; do
multiplier=$((multiplier+1))
if [[ "$value" == *"$suffix"* ]]; then
suffixPresent=$suffix
break;
fi
done
if [ "$suffixPresent" != "" ]; then
value=${value%$suffix*}
value=${value%.*}
# /1024 since we convert to kilobytes instead of bytes
value=$((value*(1024**multiplier/1024)))
else
value=${value%.*}
fi
echo $value
}
## from https://gist.github.com/cdown/1163649
function urlEncode {
local length="${#1}"
local LANG=C
for (( i = 0; i < length; i++ )); do
local c="${1:i:1}"
case $c in
[a-zA-Z0-9.~_-])
printf "$c"
;;
*)
printf '%%%02X' "'$c"
;;
esac
done
}
function urlDecode {
local urlEncoded="${1//+/ }"
printf '%b' "${urlEncoded//%/\\x}"
}
## Modified version of http://stackoverflow.com/a/8574392
## Usage: arrayContains "needle" "${haystack[@]}"
arrayContains () {
local e
if [ "$2" == "" ]; then
echo 0 && return 0
fi
for e in "${@:2}"; do
[[ "$e" == "$1" ]] && echo 1 && return 1
done
echo 0 && return 0
}
function GetLocalOS {
local localOsVar
# There's no good way to tell if currently running in BusyBox shell. Using sluggish way.
if ls --help 2>&1 | grep -i "BusyBox" > /dev/null; then
localOsVar="BusyBox"
else
# Detecting the special ubuntu userland in Windows 10 bash
if grep -i Microsoft /proc/sys/kernel/osrelease > /dev/null 2>&1; then
localOsVar="Microsoft"
else
localOsVar="$(uname -spio 2>&1)"
if [ $? != 0 ]; then
localOsVar="$(uname -v 2>&1)"
if [ $? != 0 ]; then
localOsVar="$(uname)"
fi
fi
fi
fi
case $localOsVar in
# Android uname contains both linux and android, keep it before linux entry
*"Android"*)
LOCAL_OS="Android"
;;
*"Linux"*)
LOCAL_OS="Linux"
;;
*"BSD"*)
LOCAL_OS="BSD"
;;
*"MINGW32"*|*"CYGWIN"*)
LOCAL_OS="msys"
;;
*"Microsoft"*)
LOCAL_OS="WinNT10"
;;
*"Darwin"*)
LOCAL_OS="MacOSX"
;;
*"BusyBox"*)
LOCAL_OS="BusyBox"
;;
*)
if [ "$IGNORE_OS_TYPE" == "yes" ]; then #TODO(doc): Undocumented option
Logger "Running on unknown local OS [$localOsVar]." "WARN"
return
fi
Logger "Running on >> $localOsVar << not supported. Please report to the author." "ERROR"
exit 1
;;
esac
Logger "Local OS: [$localOsVar]." "DEBUG"
}
#### MINIMAL-FUNCTION-SET END ####
function GetRemoteOS {
if [ "$REMOTE_OPERATION" != "yes" ]; then
return 0
fi
local remoteOsVar
$SSH_CMD bash -s << 'ENDSSH' >> "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" 2>&1
function GetOs {
local localOsVar
# There's no good way to tell if currently running in BusyBox shell. Using sluggish way.
if ls --help 2>&1 | grep -i "BusyBox" > /dev/null; then
localOsVar="BusyBox"
else
# Detecting the special ubuntu userland in Windows 10 bash
if grep -i Microsoft /proc/sys/kernel/osrelease > /dev/null 2>&1; then
localOsVar="Microsoft"
else
localOsVar="$(uname -spio 2>&1)"
if [ $? != 0 ]; then
localOsVar="$(uname -v 2>&1)"
if [ $? != 0 ]; then
localOsVar="$(uname)"
fi
fi
fi
fi
echo "$localOsVar"
}
GetOs
ENDSSH
if [ -f "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" ]; then
remoteOsVar=$(cat "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID")
case $remoteOsVar in
*"Android"*)
REMOTE_OS="Android"
;;
*"Linux"*)
REMOTE_OS="Linux"
;;
*"BSD"*)
REMOTE_OS="BSD"
;;
*"MINGW32"*|*"CYGWIN"*)
REMOTE_OS="msys"
;;
*"Microsoft"*)
REMOTE_OS="WinNT10"
;;
*"Darwin"*)
REMOTE_OS="MacOSX"
;;
*"BusyBox"*)
REMOTE_OS="BusyBox"
;;
*"ssh"*|*"SSH"*)
Logger "Cannot connect to remote system." "CRITICAL"
exit 1
;;
*)
if [ "$IGNORE_OS_TYPE" == "yes" ]; then #DOC: Undocumented debug only setting
Logger "Running on unknown remote OS [$remoteOsVar]." "WARN"
return
fi
Logger "Running on remote OS failed. Please report to the author if the OS is not supported." "CRITICAL"
Logger "Remote OS said:\n$remoteOsVar" "CRITICAL"
exit 1
esac
Logger "Remote OS: [$remoteOsVar]." "DEBUG"
else
Logger "Cannot get Remote OS" "CRITICAL"
fi
}
function RunLocalCommand {
local command="${1}" # Command to run
local hardMaxTime="${2}" # Max time to wait for command to compleet
if [ $_DRYRUN == true ]; then
Logger "Dryrun: Local command [$command] not run." "NOTICE"
return 0
fi
Logger "Running command [$command] on local host." "NOTICE"
eval "$command" > "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" 2>&1 &
WaitForTaskCompletion $! 0 $hardMaxTime $SLEEP_TIME $KEEP_LOGGING true true false ${FUNCNAME[0]}
retval=$?
if [ $retval -eq 0 ]; then
Logger "Command succeded." "NOTICE"
else
Logger "Command failed." "ERROR"
fi
if [ $_LOGGER_VERBOSE == true ] || [ $retval -ne 0 ]; then
Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "NOTICE"
fi
if [ "$STOP_ON_CMD_ERROR" == "yes" ] && [ $retval -ne 0 ]; then
Logger "Stopping on command execution error." "CRITICAL"
exit 1
fi
}
## Runs remote command $1 and waits for completition in $2 seconds
function RunRemoteCommand {
local command="${1}" # Command to run
local hardMaxTime="${2}" # Max time to wait for command to compleet
CheckConnectivity3rdPartyHosts
CheckConnectivityRemoteHost
if [ $_DRYRUN == true ]; then
Logger "Dryrun: Local command [$command] not run." "NOTICE"
return 0
fi
Logger "Running command [$command] on remote host." "NOTICE"
cmd=$SSH_CMD' "$command" > "'$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID'" 2>&1'
Logger "cmd: $cmd" "DEBUG"
eval "$cmd" &
WaitForTaskCompletion $! 0 $hardMaxTime $SLEEP_TIME $KEEP_LOGGING true true false ${FUNCNAME[0]}
retval=$?
if [ $retval -eq 0 ]; then
Logger "Command succeded." "NOTICE"
else
Logger "Command failed." "ERROR"
fi
if [ -f "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" ] && ([ $_LOGGER_VERBOSE == true ] || [ $retval -ne 0 ])
then
Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "NOTICE"
fi
if [ "$STOP_ON_CMD_ERROR" == "yes" ] && [ $retval -ne 0 ]; then
Logger "Stopping on command execution error." "CRITICAL"
exit 1
fi
}
function RunBeforeHook {
local pids
if [ "$LOCAL_RUN_BEFORE_CMD" != "" ]; then
RunLocalCommand "$LOCAL_RUN_BEFORE_CMD" $MAX_EXEC_TIME_PER_CMD_BEFORE &
pids="$!"
fi
if [ "$REMOTE_RUN_BEFORE_CMD" != "" ]; then
RunRemoteCommand "$REMOTE_RUN_BEFORE_CMD" $MAX_EXEC_TIME_PER_CMD_BEFORE &
pids="$pids;$!"
fi
if [ "$pids" != "" ]; then
WaitForTaskCompletion $pids 0 0 $SLEEP_TIME $KEEP_LOGGING true true false ${FUNCNAME[0]}
fi
}
function RunAfterHook {
local pids
if [ "$LOCAL_RUN_AFTER_CMD" != "" ]; then
RunLocalCommand "$LOCAL_RUN_AFTER_CMD" $MAX_EXEC_TIME_PER_CMD_AFTER &
pids="$!"
fi
if [ "$REMOTE_RUN_AFTER_CMD" != "" ]; then
RunRemoteCommand "$REMOTE_RUN_AFTER_CMD" $MAX_EXEC_TIME_PER_CMD_AFTER &
pids="$pids;$!"
fi
if [ "$pids" != "" ]; then
WaitForTaskCompletion $pids 0 0 $SLEEP_TIME $KEEP_LOGGING true true false ${FUNCNAME[0]}
fi
}
function CheckConnectivityRemoteHost {
local retval
if [ "$REMOTE_HOST_PING" != "no" ] && [ "$REMOTE_OPERATION" != "no" ]; then
eval "$PING_CMD $REMOTE_HOST > /dev/null 2>&1" &
WaitForTaskCompletion $! 60 180 $SLEEP_TIME $KEEP_LOGGING true true false ${FUNCNAME[0]}
retval=$?
if [ $retval != 0 ]; then
Logger "Cannot ping [$REMOTE_HOST]. Return code [$retval]." "WARN"
return $retval
fi
fi
}
function CheckConnectivity3rdPartyHosts {
local remote3rdPartySuccess
local retval
if [ "$REMOTE_3RD_PARTY_HOSTS" != "" ]; then
remote3rdPartySuccess=false
for i in $REMOTE_3RD_PARTY_HOSTS
do
eval "$PING_CMD $i > /dev/null 2>&1" &
WaitForTaskCompletion $! 180 360 $SLEEP_TIME $KEEP_LOGGING true true false ${FUNCNAME[0]}
retval=$?
if [ $retval != 0 ]; then
Logger "Cannot ping 3rd party host [$i]. Return code [$retval]." "NOTICE"
else
remote3rdPartySuccess=true
fi
done
if [ $remote3rdPartySuccess == false ]; then
Logger "No remote 3rd party host responded to ping. No internet ?" "WARN"
return 1
else
return 0
fi
fi
}
function RsyncPatternsAdd {
local patternType="${1}" # exclude or include
local pattern="${2}"
local rest
# Disable globbing so wildcards from exclusions do not get expanded
set -f
rest="$pattern"
while [ -n "$rest" ]
do
# Take the string until first occurence until $PATH_SEPARATOR_CHAR
str=${rest%%;*} #TODO: replace ; with $PATH_SEPARATOR_CHAR
# Handle the last case
if [ "$rest" = "${rest/$PATH_SEPARATOR_CHAR/}" ]; then
rest=
else
# Cut everything before the first occurence of $PATH_SEPARATOR_CHAR
rest=${rest#*$PATH_SEPARATOR_CHAR}
fi
if [ "$RSYNC_PATTERNS" == "" ]; then
RSYNC_PATTERNS="--"$patternType"=\"$str\""
else
RSYNC_PATTERNS="$RSYNC_PATTERNS --"$patternType"=\"$str\""
fi
done
set +f
}
function RsyncPatternsFromAdd {
local patternType="${1}"
local patternFrom="${2}"
## Check if the exclude list has a full path, and if not, add the config file path if there is one
if [ "$(basename $patternFrom)" == "$patternFrom" ]; then
patternFrom="$(dirname $CONFIG_FILE)/$patternFrom"
fi
if [ -e "$patternFrom" ]; then
RSYNC_PATTERNS="$RSYNC_PATTERNS --"$patternType"-from=\"$patternFrom\""
fi
}
function RsyncPatterns {
if [ "$RSYNC_PATTERN_FIRST" == "exclude" ]; then
if [ "$RSYNC_EXCLUDE_PATTERN" != "" ]; then
RsyncPatternsAdd "exclude" "$RSYNC_EXCLUDE_PATTERN"
fi
if [ "$RSYNC_EXCLUDE_FROM" != "" ]; then
RsyncPatternsFromAdd "exclude" "$RSYNC_EXCLUDE_FROM"
fi
if [ "$RSYNC_INCLUDE_PATTERN" != "" ]; then
RsyncPatternsAdd "$RSYNC_INCLUDE_PATTERN" "include"
fi
if [ "$RSYNC_INCLUDE_FROM" != "" ]; then
RsyncPatternsFromAdd "include" "$RSYNC_INCLUDE_FROM"
fi
# Use default include first for quicksync runs
elif [ "$RSYNC_PATTERN_FIRST" == "include" ] || [ "$_QUICK_SYNC" == "2" ]; then
if [ "$RSYNC_INCLUDE_PATTERN" != "" ]; then
RsyncPatternsAdd "include" "$RSYNC_INCLUDE_PATTERN"
fi
if [ "$RSYNC_INCLUDE_FROM" != "" ]; then
RsyncPatternsFromAdd "include" "$RSYNC_INCLUDE_FROM"
fi
if [ "$RSYNC_EXCLUDE_PATTERN" != "" ]; then
RsyncPatternsAdd "exclude" "$RSYNC_EXCLUDE_PATTERN"
fi
if [ "$RSYNC_EXCLUDE_FROM" != "" ]; then
RsyncPatternsFromAdd "exclude" "$RSYNC_EXCLUDE_FROM"
fi
else
Logger "Bogus RSYNC_PATTERN_FIRST value in config file. Will not use rsync patterns." "WARN"
fi
}
function PreInit {
local compressionString
## SSH compression
if [ "$SSH_COMPRESSION" != "no" ]; then
SSH_COMP=-C
else
SSH_COMP=
fi
## Ignore SSH known host verification
if [ "$SSH_IGNORE_KNOWN_HOSTS" == "yes" ]; then
SSH_OPTS="-o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no"
fi
## Support for older config files without RSYNC_EXECUTABLE option
if [ "$RSYNC_EXECUTABLE" == "" ]; then
RSYNC_EXECUTABLE=rsync
fi
## Sudo execution option
if [ "$SUDO_EXEC" == "yes" ]; then
if [ "$RSYNC_REMOTE_PATH" != "" ]; then
RSYNC_PATH="sudo $RSYNC_REMOTE_PATH/$RSYNC_EXECUTABLE"
else
RSYNC_PATH="sudo $RSYNC_EXECUTABLE"
fi
COMMAND_SUDO="sudo"
else
if [ "$RSYNC_REMOTE_PATH" != "" ]; then
RSYNC_PATH="$RSYNC_REMOTE_PATH/$RSYNC_EXECUTABLE"
else
RSYNC_PATH="$RSYNC_EXECUTABLE"
fi
COMMAND_SUDO=""
fi
## Set compression executable and extension
if [ "$(IsInteger $COMPRESSION_LEVEL)" -eq 0 ]; then
COMPRESSION_LEVEL=3
fi
#TODO: Remote OS isn't defined yet
## Busybox fix (Termux xz command doesn't support compression at all)
if [ "$LOCAL_OS" == "BusyBox" ] || [ "$REMOTE_OS" == "Busybox" ] || [ "$LOCAL_OS" == "Android" ] || [ "$REMOTE_OS" == "Android" ]; then
compressionString=""
if type gzip > /dev/null 2>&1
then
COMPRESSION_PROGRAM="| gzip -c$compressionString"
COMPRESSION_EXTENSION=.gz
# obackup specific
else
COMPRESSION_PROGRAM=
COMPRESSION_EXTENSION=
fi
else
compressionString=" -$COMPRESSION_LEVEL"
if type xz > /dev/null 2>&1
then
COMPRESSION_PROGRAM="| xz -c$compressionString"
COMPRESSION_EXTENSION=.xz
elif type lzma > /dev/null 2>&1
then
COMPRESSION_PROGRAM="| lzma -c$compressionString"
COMPRESSION_EXTENSION=.lzma
elif type pigz > /dev/null 2>&1
then
COMPRESSION_PROGRAM="| pigz -c$compressionString"
COMPRESSION_EXTENSION=.gz
# obackup specific
COMPRESSION_OPTIONS=--rsyncable
elif type gzip > /dev/null 2>&1
then
COMPRESSION_PROGRAM="| gzip -c$compressionString"
COMPRESSION_EXTENSION=.gz
# obackup specific
COMPRESSION_OPTIONS=--rsyncable
else
COMPRESSION_PROGRAM=
COMPRESSION_EXTENSION=
fi
fi
ALERT_LOG_FILE="$ALERT_LOG_FILE$COMPRESSION_EXTENSION"
}
function PostInit {
# Define remote commands
if [ -f "$SSH_RSA_PRIVATE_KEY" ]; then
SSH_CMD="$(type -p ssh) $SSH_COMP -i $SSH_RSA_PRIVATE_KEY $SSH_OPTS $REMOTE_USER@$REMOTE_HOST -p $REMOTE_PORT"
SCP_CMD="$(type -p scp) $SSH_COMP -i $SSH_RSA_PRIVATE_KEY -P $REMOTE_PORT"
RSYNC_SSH_CMD="$(type -p ssh) $SSH_COMP -i $SSH_RSA_PRIVATE_KEY $SSH_OPTS -p $REMOTE_PORT"
elif [ -f "$SSH_PASSWORD_FILE" ]; then
SSH_CMD="$(type -p sshpass) -f $SSH_PASSWORD_FILE $(type -p ssh) $SSH_COMP $SSH_OPTS $REMOTE_USER@$REMOTE_HOST -p $REMOTE_PORT"
SCP_CMD="$(type -p sshpass) -f $SSH_PASSWORD_FILE $(type -p scp) $SSH_COMP -P $REMOTE_PORT"
RSYNC_SSH_CMD="$(type -p sshpass) -f $SSH_PASSWORD_FILE $(type -p ssh) $SSH_COMP $SSH_OPTS -p $REMOTE_PORT"
else
SSH_PASSWORD=""
SSH_CMD=""
SCP_CMD=""
RSYNC_SSH_CMD=""
fi
}
function InitLocalOSSettings {
## If running under Msys, some commands do not run the same way
## Using mingw version of find instead of windows one
## Getting running processes is quite different
## Ping command is not the same
if [ "$LOCAL_OS" == "msys" ]; then
FIND_CMD=$(dirname $BASH)/find
PING_CMD='$SYSTEMROOT\system32\ping -n 2'
else
FIND_CMD=find
PING_CMD="ping -c 2 -i .2"
fi
if [ "$LOCAL_OS" == "BusyBox" ] || [ "$LOCAL_OS" == "Android" ] || [ "$LOCAL_OS" == "msys" ]; then
PROCESS_STATE_CMD="echo none"
DF_CMD="df"
else
PROCESS_STATE_CMD='ps -p$pid -o state= 2 > /dev/null'
# CentOS 5 needs -P for one line output
DF_CMD="df -P"
fi
## Stat command has different syntax on Linux and FreeBSD/MacOSX
if [ "$LOCAL_OS" == "MacOSX" ] || [ "$LOCAL_OS" == "BSD" ]; then
# Tested on BSD and Mac
STAT_CMD="stat -f \"%Sm\""
STAT_CTIME_MTIME_CMD="stat -f %N;%c;%m"
else
# Tested on GNU stat, busybox and Cygwin
STAT_CMD="stat -c %y"
STAT_CTIME_MTIME_CMD="stat -c %n;%Z;%Y"
fi
}
function InitRemoteOSSettings {
if [ "$REMOTE_OS" == "msys" ]; then
REMOTE_FIND_CMD=$(dirname $BASH)/find
else
REMOTE_FIND_CMD=find
fi
## Stat command has different syntax on Linux and FreeBSD/MacOSX
if [ "$LOCAL_OS" == "MacOSX" ] || [ "$LOCAL_OS" == "BSD" ]; then
REMOTE_STAT_CMD="stat -f \"%Sm\""
REMOTE_STAT_CTIME_MTIME_CMD="stat -f \\\"%N;%c;%m\\\""
else
REMOTE_STAT_CMD="stat --format %y"
REMOTE_STAT_CTIME_MTIME_CMD="stat -c \\\"%n;%Z;%Y\\\""
fi
}
function InitRsyncSettings {
## Set rsync default arguments
RSYNC_ARGS="-rltD"
if [ "$_DRYRUN" == true ]; then
RSYNC_DRY_ARG="-n"
DRY_WARNING="/!\ DRY RUN "
else
RSYNC_DRY_ARG=""
fi
RSYNC_ATTR_ARGS=""
if [ "$PRESERVE_PERMISSIONS" != "no" ]; then
RSYNC_ATTR_ARGS=$RSYNC_ATTR_ARGS" -p"
fi
if [ "$PRESERVE_OWNER" != "no" ]; then
RSYNC_ATTR_ARGS=$RSYNC_ATTR_ARGS" -o"
fi
if [ "$PRESERVE_GROUP" != "no" ]; then
RSYNC_ATTR_ARGS=$RSYNC_ATTR_ARGS" -g"
fi
if [ "$PRESERVE_EXECUTABILITY" != "no" ]; then
RSYNC_ATTR_ARGS=$RSYNC_ATTR_ARGS" --executability"
fi
if [ "$LOCAL_OS" != "MacOSX" ] && [ "$REMOTE_OS" != "MacOSX" ] && [ "$LOCAL_OS" != "msys" ] && [ "$REMOTE_OS" != "MacOSX" ]; then
if [ "$PRESERVE_ACL" == "yes" ]; then
RSYNC_ATTR_ARGS=$RSYNC_ATTR_ARGS" -A"
fi
if [ "$PRESERVE_XATTR" == "yes" ]; then
RSYNC_ATTR_ARGS=$RSYNC_ATTR_ARGS" -X"
fi
else
Logger "Disabling ACL and extended attributes synchronization on [$LOCAL_OS]." "NOTICE"
fi
if [ "$RSYNC_COMPRESS" == "yes" ]; then
RSYNC_ARGS=$RSYNC_ARGS" -z"
fi
if [ "$COPY_SYMLINKS" == "yes" ]; then
RSYNC_ARGS=$RSYNC_ARGS" -L"
fi
if [ "$KEEP_DIRLINKS" == "yes" ]; then
RSYNC_ARGS=$RSYNC_ARGS" -K"
fi
if [ "$PRESERVE_HARDLINKS" == "yes" ]; then
RSYNC_ARGS=$RSYNC_ARGS" -H"
fi
if [ "$CHECKSUM" == "yes" ]; then
RSYNC_TYPE_ARGS=$RSYNC_TYPE_ARGS" --checksum"
fi
if [ "$BANDWIDTH" != "" ] && [ "$BANDWIDTH" != "0" ]; then
RSYNC_ARGS=$RSYNC_ARGS" --bwlimit=$BANDWIDTH"
fi
if [ "$PARTIAL" == "yes" ]; then
RSYNC_ARGS=$RSYNC_ARGS" --partial --partial-dir=\"$PARTIAL_DIR\""
RSYNC_PARTIAL_EXCLUDE="--exclude=\"$PARTIAL_DIR\""
fi
if [ "$DELTA_COPIES" != "no" ]; then
RSYNC_ARGS=$RSYNC_ARGS" --no-whole-file"
else
RSYNC_ARGS=$RSYNC_ARGS" --whole-file"
fi
}
## IFS debug function
function PrintIFS {
printf "IFS is: %q" "$IFS"
}
# Process debugging
# Recursive function to get all parents from a pid
function ParentPid {
local pid="${1}" # Pid to analyse
local parent
parent=$(ps -p $pid -o ppid=)
echo "$pid is a child of $parent"
if [ $parent -gt 0 ]; then
ParentPid $parent
fi
}
## END Generic functions
_LOGGER_PREFIX="time"
## Working directory. This directory exists in any replica and contains state files, backups, soft deleted files etc
OSYNC_DIR=".osync_workdir"
function TrapStop {
if [ $SOFT_STOP -eq 0 ]; then
Logger " /!\ WARNING: Manual exit of osync is really not recommended. Sync will be in inconsistent state." "WARN"
Logger " /!\ WARNING: If you are sure, please hit CTRL+C another time to quit." "WARN"
SOFT_STOP=1
return 1
fi
if [ $SOFT_STOP -eq 1 ]; then
Logger " /!\ WARNING: CTRL+C hit twice. Exiting osync. Please wait while replicas get unlocked..." "WARN"
SOFT_STOP=2
exit 2
fi
}
function TrapQuit {
local exitcode
# Get ERROR / WARN alert flags from subprocesses that call Logger
if [ -f "$RUN_DIR/$PROGRAM.Logger.warn.$SCRIPT_PID" ]; then
WARN_ALERT=true
fi
if [ -f "$RUN_DIR/$PROGRAM.Logger.error.$SCRIPT_PID" ]; then
ERROR_ALERT=true
fi
if [ $ERROR_ALERT == true ]; then
UnlockReplicas
if [ "$RUN_AFTER_CMD_ON_ERROR" == "yes" ]; then
RunAfterHook
fi
Logger "$PROGRAM finished with errors." "ERROR"
if [ "$_DEBUG" != "yes" ]
then
SendAlert
else
Logger "Debug mode, no alert mail will be sent." "NOTICE"
fi
exitcode=1
elif [ $WARN_ALERT == true ]; then
UnlockReplicas
if [ "$RUN_AFTER_CMD_ON_ERROR" == "yes" ]; then
RunAfterHook
fi
Logger "$PROGRAM finished with warnings." "WARN"
if [ "$_DEBUG" != "yes" ]
then
SendAlert
else
Logger "Debug mode, no alert mail will be sent." "NOTICE"
fi
exitcode=2 # Warning exit code must not force daemon mode to quit
else
UnlockReplicas
RunAfterHook
Logger "$PROGRAM finished." "NOTICE"
exitcode=0
fi
CleanUp
KillChilds $$ > /dev/null 2>&1
exit $exitcode
}
function CheckEnvironment {
if [ "$REMOTE_OPERATION" == "yes" ]; then
if ! type ssh > /dev/null 2>&1 ; then
Logger "ssh not present. Cannot start sync." "CRITICAL"
exit 1
fi
if [ "$SSH_PASSWORD_FILE" != "" ] && ! type sshpass > /dev/null 2>&1 ; then
Logger "sshpass not present. Cannot use password authentication." "CRITICAL"
exit 1
fi
fi
if ! type rsync > /dev/null 2>&1 ; then
Logger "rsync not present. Sync cannot start." "CRITICAL"
exit 1
fi
}
function CheckCurrentConfig {
# Check all variables that should contain "yes" or "no"
declare -a yes_no_vars=(CREATE_DIRS SUDO_EXEC SSH_COMPRESSION SSH_IGNORE_KNOWN_HOSTS REMOTE_HOST_PING PRESERVE_PERMISSIONS PRESERVE_OWNER PRESERVE_GROUP PRESERVE_EXECUTABILITY PRESERVE_ACL PRESERVE_XATTR COPY_SYMLINKS KEEP_DIRLINKS PRESERVE_HARDLINKS CHECKSUM RSYNC_COMPRESS CONFLICT_BACKUP CONFLICT_BACKUP_MULTIPLE SOFT_DELETE RESUME_SYNC FORCE_STRANGER_LOCK_RESUME PARTIAL DELTA_COPIES STOP_ON_CMD_ERROR RUN_AFTER_CMD_ON_ERROR)
for i in "${yes_no_vars[@]}"; do
test="if [ \"\$$i\" != \"yes\" ] && [ \"\$$i\" != \"no\" ]; then Logger \"Bogus $i value [\$$i] defined in config file. Correct your config file or update it using the update script if using and old version.\" \"CRITICAL\"; exit 1; fi"
eval "$test"
done
# Check all variables that should contain a numerical value >= 0
declare -a num_vars=(MINIMUM_SPACE BANDWIDTH SOFT_MAX_EXEC_TIME HARD_MAX_EXEC_TIME KEEP_LOGGING MIN_WAIT MAX_WAIT CONFLICT_BACKUP_DAYS SOFT_DELETE_DAYS RESUME_TRY MAX_EXEC_TIME_PER_CMD_BEFORE MAX_EXEC_TIME_PER_CMD_AFTER)
for i in "${num_vars[@]}"; do
test="if [ $(IsNumericExpand \"\$$i\") -eq 0 ]; then Logger \"Bogus $i value [\$$i] defined in config file. Correct your config file or update it using the update script if using and old version.\" \"CRITICAL\"; exit 1; fi"
eval "$test"
done
}
function CheckCurrentConfigAll {
local tmp
if [ "$INSTANCE_ID" == "" ]; then
Logger "No INSTANCE_ID defined in config file." "CRITICAL"
exit 1
fi
if [ "$INITIATOR_SYNC_DIR" == "" ]; then
Logger "No INITIATOR_SYNC_DIR set in config file." "CRITICAL"
exit 1
fi
if [ "$TARGET_SYNC_DIR" == "" ]; then
Logger "Not TARGET_SYNC_DIR set in config file." "CRITICAL"
exit 1
fi
#TODO(low): Add runtime variable tests (RSYNC_ARGS etc)
if [ "$REMOTE_OPERATION" == "yes" ] && ([ ! -f "$SSH_RSA_PRIVATE_KEY" ] && [ ! -f "$SSH_PASSWORD_FILE" ]); then
Logger "Cannot find rsa private key [$SSH_RSA_PRIVATE_KEY] nor password file [$SSH_PASSWORD_FILE]. No authentication method provided." "CRITICAL"
exit 1
fi
if [ "$SKIP_DELETION" != "" ]; then
tmp="$SKIP_DELETION"
IFS=',' read -r -a SKIP_DELETION <<< "$tmp"
if [ $(arrayContains "${INITIATOR[$__type]}" "${SKIP_DELETION[@]}") -eq 0 ] && [ $(arrayContains "${TARGET[$__type]}" "${SKIP_DELETION[@]}") -eq 0 ]; then
Logger "Bogus skip deletion parameter [$SKIP_DELETION]." "CRITICAL"
exit 1
fi
fi
}
###### Osync specific functions (non shared)
function _CheckReplicaPathsLocal {
local replica_path="${1}"
if [ ! -w "$replica_path" ]; then
Logger "Local replica path [$replica_path] is not writable." "CRITICAL"
exit 1
fi
if [ ! -d "$replica_path" ]; then
if [ "$CREATE_DIRS" == "yes" ]; then
$COMMAND_SUDO mkdir -p "$replica_path" >> "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" 2>&1
if [ $? != 0 ]; then
Logger "Cannot create local replica path [$replica_path]." "CRITICAL"
Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)"
exit 1
else
Logger "Created local replica path [$replica_path]." "NOTICE"
fi
else
Logger "Local replica path [$replica_path] does not exist." "CRITICAL"
exit 1
fi
fi
}
function _CheckReplicaPathsRemote {
local replica_path="${1}"
local cmd
CheckConnectivity3rdPartyHosts
CheckConnectivityRemoteHost
cmd=$SSH_CMD' "if [ ! -w \"'$replica_path'\" ];then exit 1; fi" 2>&1'
Logger "cmd: $cmd" "DEBUG"
eval "$cmd"
if [ $? != 0 ]; then
Logger "Remote replica path [$replica_path] is not writable." "CRITICAL"
exit 1
fi
cmd=$SSH_CMD' "if ! [ -d \"'$replica_path'\" ]; then if [ \"'$CREATE_DIRS'\" == \"yes\" ]; then '$COMMAND_SUDO' mkdir -p \"'$replica_path'\"; fi; fi" > "'$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID'" 2>&1'
Logger "cmd: $cmd" "DEBUG"
eval "$cmd"
if [ $? != 0 ]; then
Logger "Cannot create remote replica path [$replica_path]." "CRITICAL"
Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "ERROR"
exit 1
fi
}
function CheckReplicaPaths {
local pids
# Use direct comparaison before having a portable realpath implementation
#INITIATOR_SYNC_DIR_CANN=$(realpath "${INITIATOR[$__replicaDir]}") #TODO(verylow): investigate realpath & readlink issues on MSYS and busybox here
#TARGET_SYNC_DIR_CANN=$(realpath "${TARGET[$__replicaDir]}")
if [ "$REMOTE_OPERATION" != "yes" ]; then
if [ "${INITIATOR[$__replicaDir]}" == "${TARGET[$__replicaDir]}" ]; then
Logger "Initiator and target path [${INITIATOR[$__replicaDir]}] cannot be the same." "CRITICAL"
exit 1
fi
fi
_CheckReplicaPathsLocal "${INITIATOR[$__replicaDir]}" &
pids="$!"
if [ "$REMOTE_OPERATION" != "yes" ]; then
_CheckReplicaPathsLocal "${TARGET[$__replicaDir]}" &
pids="$pids;$!"
else
_CheckReplicaPathsRemote "${TARGET[$__replicaDir]}" &
pids="$pids;$!"
fi
WaitForTaskCompletion $pids 720 1800 $SLEEP_TIME $KEEP_LOGGING true true false ${FUNCNAME[0]}
if [ $? -ne 0 ]; then
Logger "Cancelling task." "CRITICAL"
exit 1
fi
}
function _CheckDiskSpaceLocal {
local replica_path="${1}"
local diskSpace
Logger "Checking minimum disk space in [$replica_path]." "NOTICE"
diskSpace=$($DF_CMD "$replica_path" | tail -1 | awk '{print $4}')
if [ $? != 0 ]; then
Logger "Cannot get free space." "ERROR"
else
# Ugly fix for df in some busybox environments that can only show human formats
if [ $(IsInteger $diskSpace) -eq 0 ]; then
diskSpace=$(HumanToNumeric $diskSpace)
fi
if [ $diskSpace -lt $MINIMUM_SPACE ]; then
Logger "There is not enough free space on replica [$replica_path] ($diskSpace KB)." "WARN"
fi
fi
}
function _CheckDiskSpaceRemote {
local replica_path="${1}"
Logger "Checking remote minimum disk space in [$replica_path]." "NOTICE"
local cmd
local diskSpace
CheckConnectivity3rdPartyHosts
CheckConnectivityRemoteHost
cmd=$SSH_CMD' "'$COMMAND_SUDO' '$DF_CMD' \"'$replica_path'\"" > "'$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID'" 2>&1'
Logger "cmd: $cmd" "DEBUG"
eval "$cmd"
if [ $? != 0 ]; then
Logger "Cannot get free space on target [$replica_path]." "ERROR"
Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "NOTICE"
else
diskSpace=$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID | tail -1 | awk '{print $4}')
# Ugly fix for df in some busybox environments that can only show human formats
if [ $(IsInteger $diskSpace) -eq 0 ]; then
diskSpace=$(HumanToNumeric $diskSpace)
fi
if [ $diskSpace -lt $MINIMUM_SPACE ]; then
Logger "There is not enough free space on replica [$replica_path] ($diskSpace KB)." "WARN"
fi
fi
}
function CheckDiskSpace {
local pids
if [ $MINIMUM_SPACE -eq 0 ]; then
Logger "Skipped minimum space check." "NOTICE"
return 0
fi
_CheckDiskSpaceLocal "${INITIATOR[$__replicaDir]}" &
pids="$!"
if [ "$REMOTE_OPERATION" != "yes" ]; then
_CheckDiskSpaceLocal "${TARGET[$__replicaDir]}" &
pids="$pids;$!"
else
_CheckDiskSpaceRemote "${TARGET[$__replicaDir]}" &
pids="$pids;$!"
fi
WaitForTaskCompletion $pids 720 1800 $SLEEP_TIME $KEEP_LOGGING true true false ${FUNCNAME[0]}
}
function _CreateStateDirsLocal {
local replica_state_dir="${1}"
if ! [ -d "$replica_state_dir" ]; then
$COMMAND_SUDO mkdir -p "$replica_state_dir" >> "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" 2>&1
if [ $? != 0 ]; then
Logger "Cannot create state dir [$replica_state_dir]." "CRITICAL"
Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "ERROR"
exit 1
fi
fi
}
function _CreateStateDirsRemote {
local replica_state_dir="${1}"
local cmd
CheckConnectivity3rdPartyHosts
CheckConnectivityRemoteHost
cmd=$SSH_CMD' "if ! [ -d \"'$replica_state_dir'\" ]; then '$COMMAND_SUDO' mkdir -p \"'$replica_state_dir'\"; fi" > "'$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID'" 2>&1'
Logger "cmd: $cmd" "DEBUG"
eval "$cmd"
if [ $? != 0 ]; then
Logger "Cannot create remote state dir [$replica_state_dir]." "CRITICAL"
Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "ERROR"
exit 1
fi
}
function CreateStateDirs {
local pids
_CreateStateDirsLocal "${INITIATOR[$__replicaDir]}${INITIATOR[$__stateDir]}" &
pids="$!"
if [ "$REMOTE_OPERATION" != "yes" ]; then
_CreateStateDirsLocal "${TARGET[$__replicaDir]}${TARGET[$__stateDir]}" &
pids="$pids;$!"
else
_CreateStateDirsRemote "${TARGET[$__replicaDir]}${TARGET[$__stateDir]}" &
pids="$pids;$!"
fi
WaitForTaskCompletion $pids 720 1800 $SLEEP_TIME $KEEP_LOGGING true true false ${FUNCNAME[0]}
if [ $? -ne 0 ]; then
Logger "Cancelling task." "CRITICAL"
exit 1
fi
}
function _CheckLocksLocal {
local lockfile="${1}"
local replicaType="${2}"
local lockfileContent
local lockPid
local lockInstanceID
if [ -s "$lockfile" ]; then
lockfileContent=$(cat $lockfile)
Logger "Master lock pid present: $lockfileContent" "DEBUG"
lockPid=${lockfileContent%@*}
if [ $(IsInteger $lockPid) -ne 1 ]; then
Logger "Invalid pid [$lockPid] in local replica." "CRITICAL"
exit 1
fi
lockInstanceID=${lockfileContent#*@}
if [ "$lockInstanceID" == "" ]; then
Logger "Invalid instance id [$lockInstanceID] in local replica." "CRITICAL"
exit 1
Logger "Local $replicaType lock is: [$lockPid@$lockInstanceID]." "DEBUG"
fi
kill -0 $lockPid > /dev/null 2>&1
if [ $? != 0 ]; then
Logger "There is a local dead osync lock [$lockPid@$lockInstanceID] that is no longer running. Resuming." "NOTICE"
if [ "$replicaType" == "${INITIATOR[$__type]}" ]; then
# REPLICA_OVERWRITE_LOCK disables noclobber option in WriteLock functions
INITIATOR_OVERWRITE_LOCK=true
elif [ "$replicaType" == "${TARGET[$__type]}" ]; then
TARGET_OVERWRITE_LOCK=true
fi
else
Logger "There is already a local instance [$lockPid@$lockInstanceID] of osync running for this replica. Cannot start." "CRITICAL"
exit 1
fi
fi
}
function _CheckLocksRemote {
local lockfile="${1}"
local cmd
local lockPid
local lockInstanceID
local lockfileContent
CheckConnectivity3rdPartyHosts
CheckConnectivityRemoteHost
cmd=$SSH_CMD' "if [ -f \"'$lockfile'\" ]; then cat \"'$lockfile'\"; fi" > "'$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID'"'
Logger "cmd: $cmd" "DEBUG"
eval "$cmd"
if [ $? != 0 ]; then
Logger "Cannot check remote replica lock." "CRITICAL"
exit 1
fi
if [ -s "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" ]; then
lockfileContent="$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)"
lockPid=${lockfileContent%@*}
if [ $(IsInteger $lockPid) -ne 1 ]; then
Logger "Invalid pid [$lockPid] in remote replica lock." "CRITICAL"
exit 1
fi
lockInstanceID=${lockfileContent#*@}
if [ "$lockInstanceID" == "" ]; then
Logger "Invalid instance id [$lockInstanceID] in remote replica." "CRITICAL"
exit 1
fi
Logger "Remote lock is: [$lockPid@$lockInstanceID]" "DEBUG"
kill -0 $lockPid > /dev/null 2>&1
if [ $? != 0 ]; then
if [ "$lockInstanceID" == "$INSTANCE_ID" ]; then
Logger "There is a remote dead osync lock [$lockPid@lockInstanceID] on target replica that corresponds to this initiator INSTANCE_ID. Pid [$lockPid] no longer running. Resuming." "NOTICE"
TARGET_OVERWRITE_LOCK=true
else
if [ "$FORCE_STRANGER_LOCK_RESUME" == "yes" ]; then
Logger "There is a remote (maybe dead) osync lock [$lockPid@$lockInstanceID] on target replica that does not correspond to this initiator INSTANCE_ID. Forcing resume." "WARN"
TARGET_OVERWRITE_LOCK=true
else
Logger "There is a remote (maybe dead) osync lock [$lockPid@$lockInstanceID] on target replica that does not correspond to this initiator INSTANCE_ID. Will not resume." "CRITICAL"
exit 1
fi
fi
else
Logger "There is already a local instance of osync that locks target replica [$lockPid@$lockInstanceID]. Cannot start." "CRITICAL"
exit 1
fi
fi
}
function CheckLocks {
local pids
if [ $_NOLOCKS == true ]; then
return 0
fi
# Do not bother checking for locks when FORCE_UNLOCK is set
if [ $FORCE_UNLOCK == true ]; then
WriteLockFiles
if [ $? != 0 ]; then
exit 1
fi
else
_CheckLocksLocal "${INITIATOR[$__lockFile]}" "${INITIATOR[$__type]}" &
pids="$!"
if [ "$REMOTE_OPERATION" != "yes" ]; then
_CheckLocksLocal "${TARGET[$__lockFile]}" "${INITIATOR[$__type]}" &
pids="$pids;$!"
else
_CheckLocksRemote "${TARGET[$__lockFile]}" &
pids="$pids;$!"
fi
WaitForTaskCompletion $pids 720 1800 $SLEEP_TIME $KEEP_LOGGING true true false ${FUNCNAME[0]}
if [ $? -ne 0 ]; then
Logger "Cancelling task." "CRITICAL"
exit 1
fi
WriteLockFiles
fi
}
function _WriteLockFilesLocal {
local lockfile="${1}"
local replicaType="${2}"
local overwrite="${3:-false}"
(
if [ $overwrite == true ]; then
set -o noclobber
fi
$COMMAND_SUDO echo "$SCRIPT_PID@$INSTANCE_ID" > "$lockfile" 2> "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}-$replicaType.$SCRIPT_PID"
)
if [ $? != 0 ]; then
Logger "Could not create lock file on local $replicaType in [$lockfile]." "CRITICAL"
Logger "Command output\n$($RUN_DIR/$PROGRAM.${FUNCNAME[0]}-$replicaType.$SCRIPT_PID)" "NOTICE"
return 1
else
Logger "Locked local $replicaType replica in [$lockfile]." "DEBUG"
fi
}
function _WriteLockFilesRemote {
local lockfile="${1}"
local replicaType="${2}"
local overwrite="${3-false}"
local cmd
CheckConnectivity3rdPartyHosts
CheckConnectivityRemoteHost
cmd=$SSH_CMD' "( if [ $overwrite == true ]; then set -o noclobber; fi; echo '$SCRIPT_PID@$INSTANCE_ID' | '$COMMAND_SUDO' tee \"'$lockfile'\")" > /dev/null 2> $RUN_DIR/$PROGRAM._WriteLockFilesRemote.$replicaType.$SCRIPT_PID'
#WIP
#cmd=$SSH_CMD' "( set -o noclobber; echo '$SCRIPT_PID@$INSTANCE_ID' | '$COMMAND_SUDO' tee \"'$lockfile'\")" > /dev/null 2> $RUN_DIR/$PROGRAM._WriteLockFilesRemote.$replicaType.$SCRIPT_PID'
Logger "cmd: $cmd" "DEBUG"
eval "$cmd"
if [ $? != 0 ]; then
Logger "Could not create lock file on remote $replicaType in [$lockfile]." "CRITICAL"
Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$replicaType.$SCRIPT_PID)" "NOTICE"
return 1
else
Logger "Locked remote $replicaType replica in [$lockfile]." "DEBUG"
fi
}
function WriteLockFiles {
local initiatorPid
local targetPid
local pidArray
local pid
_WriteLockFilesLocal "${INITIATOR[$__lockFile]}" "${INITIATOR[$__type]}" $INITIATOR_LOCK_OVERWRITE &
initiatorPid="$!"
if [ "$REMOTE_OPERATION" != "yes" ]; then
_WriteLockFilesLocal "${TARGET[$__lockFile]}" "${TARGET[$__type]}" $TARGET_LOCK_OVERWRITE &
targetPid="$!"
else
_WriteLockFilesRemote "${TARGET[$__lockFile]}" "${TARGET[$__type]}" $TARGET_LOCK_OVERWRITE &
targetPid="$!"
fi
INITIATOR_LOCK_FILE_EXISTS=true
TARGET_LOCK_FILE_EXISTS=true
WaitForTaskCompletion "$initiatorPid;$targetPid" 720 1800 $SLEEP_TIME $KEEP_LOGGING true true false ${FUNCNAME[0]}
if [ $? -ne 0 ]; then
IFS=';' read -r -a pidArray <<< "$WAIT_FOR_TASK_COMPLETION"
for pid in "${pidArray[@]}"; do
pid=${pid%:*}
if [ "$pid" == "$initiatorPid" ]; then
INITIATOR_LOCK_FILE_EXISTS=false
elif [ "$pid" == "$targetPid" ]; then
TARGET_LOCK_FILE_EXISTS=false
fi
done
Logger "Cancelling task." "CRITICAL"
exit 1
fi
}
function _UnlockReplicasLocal {
local lockfile="${1}"
if [ -f "$lockfile" ]; then
$COMMAND_SUDO rm "$lockfile"
if [ $? != 0 ]; then
Logger "Could not unlock local replica." "ERROR"
else
Logger "Removed local replica lock." "DEBUG"
fi
fi
}
function _UnlockReplicasRemote {
local lockfile="${1}"
local cmd=
CheckConnectivity3rdPartyHosts
CheckConnectivityRemoteHost
cmd=$SSH_CMD' "if [ -f \"'$lockfile'\" ]; then '$COMMAND_SUDO' rm -f \"'$lockfile'\"; fi" > "'$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID'" 2>&1'
Logger "cmd: $cmd" "DEBUG"
eval "$cmd"
if [ $? != 0 ]; then
Logger "Could not unlock remote replica." "ERROR"
Logger "Command Output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "NOTICE"
else
Logger "Removed remote replica lock." "DEBUG"
fi
}
function UnlockReplicas {
local pids
if [ $_NOLOCKS == true ]; then
return 0
fi
if [ $INITIATOR_LOCK_FILE_EXISTS == true ]; then
_UnlockReplicasLocal "${INITIATOR[$__lockFile]}" &
pids="$!"
fi
if [ $TARGET_LOCK_FILE_EXISTS == true ]; then
if [ "$REMOTE_OPERATION" != "yes" ]; then
_UnlockReplicasLocal "${TARGET[$__lockFile]}" &
pids="$pids;$!"
else
_UnlockReplicasRemote "${TARGET[$__lockFile]}" &
pids="$pids;$!"
fi
fi
if [ "$pids" != "" ]; then
WaitForTaskCompletion $pids 720 1800 $SLEEP_TIME $KEEP_LOGGING true true false ${FUNCNAME[0]}
fi
}
###### Sync core functions
## Rsync does not like spaces in directory names, considering it as two different directories. Handling this schema by escaping space.
## It seems this only happens when trying to execute an rsync command through weval $rsyncCmd on a remote host.
## So I am using unescaped $INITIATOR_SYNC_DIR for local rsync calls and escaped $ESC_INITIATOR_SYNC_DIR for remote rsync calls like user@host:$ESC_INITIATOR_SYNC_DIR
## The same applies for target sync dir..............................................T.H.I.S..I.S..A..P.R.O.G.R.A.M.M.I.N.G..N.I.G.H.T.M.A.R.E
function treeList {
local replicaPath="${1}" # path to the replica for which a tree needs to be constructed
local replicaType="${2}" # replica type: initiator, target
local treeFilename="${3}" # filename to output tree (will be prefixed with $replicaType)
local escapedReplicaPath
local rsyncCmd
escapedReplicaPath=$(EscapeSpaces "$replicaPath")
Logger "Creating $replicaType replica file list [$replicaPath]." "NOTICE"
if [ "$REMOTE_OPERATION" == "yes" ] && [ "$replicaType" == "${TARGET[$__type]}" ]; then
CheckConnectivity3rdPartyHosts
CheckConnectivityRemoteHost
rsyncCmd="$(type -p $RSYNC_EXECUTABLE) --rsync-path=\"$RSYNC_PATH\" $RSYNC_ARGS -L $RSYNC_ATTR_ARGS $RSYNC_TYPE_ARGS -8 --exclude \"$OSYNC_DIR\" $RSYNC_PATTERNS $RSYNC_PARTIAL_EXCLUDE -e \"$RSYNC_SSH_CMD\" --list-only $REMOTE_USER@$REMOTE_HOST:\"$escapedReplicaPath\" 2> \"$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$replicaType.error.$SCRIPT_PID\" | (grep -E \"^-|^d|^l\" || :) | (awk '{\$1=\$2=\$3=\$4=\"\" ;print}' || :) | (awk '{\$1=\$1 ;print}' || :) | (grep -v \"^\.$\" || :) | sort > \"$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$replicaType.$SCRIPT_PID\""
else
rsyncCmd="$(type -p $RSYNC_EXECUTABLE) --rsync-path=\"$RSYNC_PATH\" $RSYNC_ARGS -L $RSYNC_ATTR_ARGS $RSYNC_TYPE_ARGS -8 --exclude \"$OSYNC_DIR\" $RSYNC_PATTERNS $RSYNC_PARTIAL_EXCLUDE --list-only \"$replicaPath\" 2> \"$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$replicaType.error.$SCRIPT_PID\" | (grep -E \"^-|^d|^l\" || :) | (awk '{\$1=\$2=\$3=\$4=\"\" ;print}' || :) | (awk '{\$1=\$1 ;print}' || :) | (grep -v \"^\.$\" || :) | sort > \"$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$replicaType.$SCRIPT_PID\""
fi
Logger "RSYNC_CMD: $rsyncCmd" "DEBUG"
eval "$rsyncCmd"
retval=$?
if [ -f "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$replicaType.$SCRIPT_PID" ]; then
mv -f "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$replicaType.$SCRIPT_PID" "${INITIATOR[$__replicaDir]}${INITIATOR[$__stateDir]}/$replicaType$treeFilename"
fi
## Retval 24 = some files vanished while creating list
if ([ $retval == 0 ] || [ $retval == 24 ]) then
return $?
elif [ $retval == 23 ]; then
Logger "Some files could not be listed in [$replicaPath]. Check for failing symlinks." "ERROR"
Logger "Command output\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$replicaType.error.$SCRIPT_PID)" "NOTICE"
return 0
else
Logger "Cannot create replica file list in [$replicaPath]." "CRITICAL"
return $retval
fi
}
# deleteList(replicaType): Creates a list of files vanished from last run on replica $1 (initiator/target)
function deleteList {
local replicaType="${1}" # replica type: initiator, target
local cmd
local failedDeletionListFromReplica
if [ "$replicaType" == "${INITIATOR[$__type]}" ]; then
failedDeletionListFromReplica="${TARGET[$__type]}"
elif [ "$replicaType" == "${TARGET[$__type]}" ]; then
failedDeletionListFromReplica="${INITIATOR[$__type]}"
else
Logger "Bogus replicaType in [${FUNCNAME[0]}]." "CRITICAL"
exit 1
fi
Logger "Creating $replicaType replica deleted file list." "NOTICE"
if [ -f "${INITIATOR[$__replicaDir]}${INITIATOR[$__stateDir]}/$replicaType${INITIATOR[$__treeAfterFileNoSuffix]}" ]; then
## Same functionnality, comm is much faster than grep but is not available on every platform
if type comm > /dev/null 2>&1 ; then
cmd="comm -23 \"${INITIATOR[$__replicaDir]}${INITIATOR[$__stateDir]}/$replicaType${INITIATOR[$__treeAfterFileNoSuffix]}\" \"${INITIATOR[$__replicaDir]}${INITIATOR[$__stateDir]}/$replicaType${INITIATOR[$__treeCurrentFile]}\" > \"${INITIATOR[$__replicaDir]}${INITIATOR[$__stateDir]}/$replicaType${INITIATOR[$__deletedListFile]}\""
else
## The || : forces the command to have a good result
cmd="(grep -F -x -v -f \"${INITIATOR[$__replicaDir]}${INITIATOR[$__stateDir]}/$replicaType${INITIATOR[$__treeCurrentFile]}\" \"${INITIATOR[$__replicaDir]}${INITIATOR[$__stateDir]}/$replicaType${INITIATOR[$__treeAfterFileNoSuffix]}\" || :) > \"${INITIATOR[$__replicaDir]}${INITIATOR[$__stateDir]}/$replicaType${INITIATOR[$__deletedListFile]}\""
fi
Logger "CMD: $cmd" "DEBUG"
eval "$cmd" 2>> "$LOG_FILE"
retval=$?
# Add delete failed file list to current delete list and then empty it
if [ -f "${INITIATOR[$__replicaDir]}${INITIATOR[$__stateDir]}/$failedDeletionListFromReplica${INITIATOR[$__failedDeletedListFile]}" ]; then
cat "${INITIATOR[$__replicaDir]}${INITIATOR[$__stateDir]}/$failedDeletionListFromReplica${INITIATOR[$__failedDeletedListFile]}" >> "${INITIATOR[$__replicaDir]}${INITIATOR[$__stateDir]}/$replicaType${INITIATOR[$__deletedListFile]}"
if [ $? == 0 ]; then
rm -f "${INITIATOR[$__replicaDir]}${INITIATOR[$__stateDir]}/$failedDeletionListFromReplica${INITIATOR[$__failedDeletedListFile]}"
else
Logger "Cannot add failed deleted list to current deleted list for replica [$replicaType]." "ERROR"
fi
fi
return $retval
else
touch "${INITIATOR[$__replicaDir]}${INITIATOR[$__stateDir]}/$replicaType${INITIATOR[$__deletedListFile]}"
return $retval
fi
}
function _getFileCtimeMtimeLocal {
local replicaPath="${1}" # Contains replica path
local replicaType="${2}" # Initiator / Target
local fileList="${3}" # Contains list of files to get time attrs
echo -n "" > "$RUN_DIR/$PROGRAM.ctime_mtime.$replicaType.$SCRIPT_PID"
while read -r file; do $STAT_CTIME_MTIME_CMD "$replicaPath$file" | sort >> "$RUN_DIR/$PROGRAM.ctime_mtime.$replicaType.$SCRIPT_PID"; done < "$fileList"
if [ $? != 0 ]; then
Logger "Getting file attributes failed [$retval] on $replicaType. Stopping execution." "CRITICAL"
if [ -f "$RUN_DIR/$PROGRAM.ctime_mtime.$replicaType.$SCRIPT_PID" ]; then
Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.ctime_mtime.$replicaType.$SCRIPT_PID)" "VERBOSE"
fi
exit 1
fi
}
function _getFileCtimeMtimeRemote {
local replicaPath="${1}" # Contains replica path
local replicaType="${2}"
local fileList="${3}"
local cmd
cmd='cat "'$fileList'" | '$SSH_CMD' "while read -r file; do '$REMOTE_STAT_CTIME_MTIME_CMD' \"'$replicaPath'\$file\"; done | sort" > "'$RUN_DIR/$PROGRAM.ctime_mtime.$replicaType.$SCRIPT_PID'"'
Logger "CMD: $cmd" "DEBUG"
eval "$cmd"
if [ $? != 0 ]; then
Logger "Getting file attributes failed [$retval] on $replicaType. Stopping execution." "CRITICAL"
if [ -f "$RUN_DIR/$PROGRAM.ctime_mtime.$replicaType.$SCRIPT_PID" ]; then
Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.ctime_mtime.$replicaType.$SCRIPT_PID)" "VERBOSE"
fi
exit 1
fi
}
# rsync does sync with mtime, but file attribute modifications only change ctime.
# Hence, detect newer ctime on the replica that gets updated first with CONFLICT_PREVALANCE and update all newer file attributes on this replica before real update
function syncAttrs {
local initiatorReplica="${1}"
local targetReplica="${2}"
local rsyncCmd
local retval
local sourceDir
local destDir
local escSourceDir
local escDestDir
local destReplica
if [ "$LOCAL_OS" == "BusyBox" ] || [ "$LOCAL_OS" == "Android" ] || [ "$REMOTE_OS" == "BusyBox" ] || [ "$REMOTE_OS" == "Android" ]; then
Logger "Skipping acl synchronization. Busybox does not have join command." "NOTICE"
return 0
fi
Logger "Getting list of files that need updates." "NOTICE"
if [ "$REMOTE_OPERATION" == "yes" ]; then
CheckConnectivity3rdPartyHosts
CheckConnectivityRemoteHost
rsyncCmd="$(type -p $RSYNC_EXECUTABLE) --rsync-path=\"$RSYNC_PATH\" -i -n -8 $RSYNC_ARGS $RSYNC_ATTR_ARGS $RSYNC_PARTIAL_EXCLUDE -e \"$RSYNC_SSH_CMD\" --exclude \"$OSYNC_DIR\" $RSYNC_PATTERNS $RSYNC_PARTIAL_EXCLUDE \"$initiatorReplica\" $REMOTE_USER@$REMOTE_HOST:\"$targetReplica\" >> $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID 2>&1 &"
else
rsyncCmd="$(type -p $RSYNC_EXECUTABLE) --rsync-path=\"$RSYNC_PATH\" -i -n -8 $RSYNC_ARGS $RSYNC_ATTR_ARGS $RSYNC_PARTIAL_EXCLUDE --exclude \"$OSYNC_DIR\" $RSYNC_PATTERNS $RSYNC_PARTIAL_EXCLUDE \"$initiatorReplica\" \"$targetReplica\" >> $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID 2>&1 &"
fi
Logger "RSYNC_CMD: $rsyncCmd" "DEBUG"
eval "$rsyncCmd"
WaitForTaskCompletion $! $SOFT_MAX_EXEC_TIME $HARD_MAX_EXEC_TIME $SLEEP_TIME $KEEP_LOGGING false true false ${FUNCNAME[0]}
retval=$?
if [ $retval != 0 ] && [ $retval != 24 ]; then
Logger "Getting list of files that need updates failed [$retval]. Stopping execution." "CRITICAL"
if [ -f "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" ]; then
Logger "Rsync output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "NOTICE"
fi
exit 1
else
if [ -f "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" ]; then
Logger "List:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "VERBOSE"
fi
( grep -Ev "^[^ ]*(c|s|t)[^ ]* " "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" || :) | ( grep -E "^[^ ]*(p|o|g|a)[^ ]* " || :) | sed -e 's/^[^ ]* //' >> "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}-cleaned.$SCRIPT_PID"
if [ $? != 0 ]; then
Logger "Cannot prepare file list for attribute sync." "CRITICAL"
exit 1
fi
fi
Logger "Getting ctimes for pending files on initiator." "NOTICE"
_getFileCtimeMtimeLocal "${INITIATOR[$__replicaDir]}" "${INITIATOR[$__type]}" "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}-cleaned.$SCRIPT_PID" &
pids="$!"
Logger "Getting ctimes for pending files on target." "NOTICE"
if [ "$REMOTE_OPERATION" != "yes" ]; then
_getFileCtimeMtimeLocal "${TARGET[$__replicaDir]}" "${TARGET[$__type]}" "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}-cleaned.$SCRIPT_PID" &
pids="$pids;$!"
else
_getFileCtimeMtimeRemote "${TARGET[$__replicaDir]}" "${TARGET[$__type]}" "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}-cleaned.$SCRIPT_PID" &
pids="$pids;$!"
fi
WaitForTaskCompletion $pids 1800 0 $SLEEP_TIME $KEEP_LOGGING true true false ${FUNCNAME[0]}
# If target gets updated first, then sync_attr must update initiators attrs first
# For join, remove leading replica paths
sed -i'.tmp' "s;^${INITIATOR[$__replicaDir]};;g" "$RUN_DIR/$PROGRAM.ctime_mtime.${INITIATOR[$__type]}.$SCRIPT_PID"
sed -i'.tmp' "s;^${TARGET[$__replicaDir]};;g" "$RUN_DIR/$PROGRAM.ctime_mtime.${TARGET[$__type]}.$SCRIPT_PID"
if [ "$CONFLICT_PREVALANCE" == "${TARGET[$__type]}" ]; then
sourceDir="${INITIATOR[$__replicaDir]}"
escSourceDir=$(EscapeSpaces "${INITIATOR[$__replicaDir]}")
destDir="${TARGET[$__replicaDir]}"
escDestDir=$(EscapeSpaces "${TARGET[$__replicaDir]}")
destReplica="${TARGET[$__type]}"
join -j 1 -t ';' -o 1.1,1.2,2.2 "$RUN_DIR/$PROGRAM.ctime_mtime.${INITIATOR[$__type]}.$SCRIPT_PID" "$RUN_DIR/$PROGRAM.ctime_mtime.${TARGET[$__type]}.$SCRIPT_PID" | awk -F';' '{if ($2 > $3) print $1}' > "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}-ctime_files.$SCRIPT_PID"
else
sourceDir="${TARGET[$__replicaDir]}"
escSourceDir=$(EscapeSpaces "${TARGET[$__replicaDir]}")
destDir="${INITIATOR[$__replicaDir]}"
escDestDir=$(EscapeSpaces "${INITIATOR[$__replicaDir]}")
destReplica="${INITIATOR[$__type]}"
join -j 1 -t ';' -o 1.1,1.2,2.2 "$RUN_DIR/$PROGRAM.ctime_mtime.${TARGET[$__type]}.$SCRIPT_PID" "$RUN_DIR/$PROGRAM.ctime_mtime.${INITIATOR[$__type]}.$SCRIPT_PID" | awk -F';' '{if ($2 > $3) print $1}' > "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}-ctime_files.$SCRIPT_PID"
fi
if [ $(wc -l < "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}-ctime_files.$SCRIPT_PID") -eq 0 ]; then
Logger "Updating file attributes on $destReplica not required" "NOTICE"
return 0
fi
Logger "Updating file attributes on $destReplica." "NOTICE"
if [ "$REMOTE_OPERATION" == "yes" ]; then
CheckConnectivity3rdPartyHosts
CheckConnectivityRemoteHost
# No rsync args (hence no -r) because files are selected with --from-file
if [ "$destReplica" == "${INITIATOR[$__type]}" ]; then
rsyncCmd="$(type -p $RSYNC_EXECUTABLE) --rsync-path=\"$RSYNC_PATH\" $RSYNC_DRY_ARG $RSYNC_ATTR_ARGS $SYNC_OPTS -e \"$RSYNC_SSH_CMD\" --exclude \"$OSYNC_DIR\" $RSYNC_PATTERNS $RSYNC_PARTIAL_EXCLUDE --exclude-from=\"${INITIATOR[$__replicaDir]}${INITIATOR[$__stateDir]}/${INITIATOR[$__type]}${INITIATOR[$__deletedListFile]}\" --exclude-from=\"${INITIATOR[$__replicaDir]}${INITIATOR[$__stateDir]}/${TARGET[$__type]}${INITIATOR[$__deletedListFile]}\" --files-from=\"$RUN_DIR/$PROGRAM.${FUNCNAME[0]}-ctime_files.$SCRIPT_PID\" $REMOTE_USER@$REMOTE_HOST:\"$escSourceDir\" \"$destDir\" >> $RUN_DIR/$PROGRAM.attr-update.$destReplica.$SCRIPT_PID 2>&1 &"
else
rsyncCmd="$(type -p $RSYNC_EXECUTABLE) --rsync-path=\"$RSYNC_PATH\" $RSYNC_DRY_ARG $RSYNC_ATTR_ARGS $SYNC_OPTS -e \"$RSYNC_SSH_CMD\" --exclude \"$OSYNC_DIR\" $RSYNC_PATTERNS $RSYNC_PARTIAL_EXCLUDE --exclude-from=\"${INITIATOR[$__replicaDir]}${INITIATOR[$__stateDir]}/${INITIATOR[$__type]}${INITIATOR[$__deletedListFile]}\" --exclude-from=\"${INITIATOR[$__replicaDir]}${INITIATOR[$__stateDir]}/${TARGET[$__type]}${INITIATOR[$__deletedListFile]}\" --files-from=\"$RUN_DIR/$PROGRAM.${FUNCNAME[0]}-ctime_files.$SCRIPT_PID\" \"$sourceDir\" $REMOTE_USER@$REMOTE_HOST:\"$escDestDir\" >> $RUN_DIR/$PROGRAM.attr-update.$destReplica.$SCRIPT_PID 2>&1 &"
fi
else
rsyncCmd="$(type -p $RSYNC_EXECUTABLE) --rsync-path=\"$RSYNC_PATH\" $RSYNC_DRY_ARG $RSYNC_ATTR_ARGS $SYNC_OPTS --exclude \"$OSYNC_DIR\" $RSYNC_PATTERNS $RSYNC_PARTIAL_EXCLUDE --exclude-from=\"${INITIATOR[$__replicaDir]}${INITIATOR[$__stateDir]}/${INITIATOR[$__type]}${INITIATOR[$__deletedListFile]}\" --exclude-from=\"${INITIATOR[$__replicaDir]}${INITIATOR[$__stateDir]}/${TARGET[$__type]}${INITIATOR[$__deletedListFile]}\" --files-from=\"$RUN_DIR/$PROGRAM.${FUNCNAME[0]}-ctime_files.$SCRIPT_PID\" \"$sourceDir\" \"$destDir\" >> $RUN_DIR/$PROGRAM.attr-update.$destReplica.$SCRIPT_PID 2>&1 &"
fi
Logger "RSYNC_CMD: $rsyncCmd" "DEBUG"
eval "$rsyncCmd"
WaitForTaskCompletion $! $SOFT_MAX_EXEC_TIME $HARD_MAX_EXEC_TIME $SLEEP_TIME $KEEP_LOGGING false true false ${FUNCNAME[0]}
retval=$?
if [ $retval != 0 ] && [ $retval != 24 ]; then
Logger "Updating file attributes on $destReplica [$retval]. Stopping execution." "CRITICAL"
if [ -f "$RUN_DIR/$PROGRAM.attr-update.$destReplica.$SCRIPT_PID" ]; then
Logger "Rsync output:\n$(cat $RUN_DIR/$PROGRAM.attr-update.$destReplica.$SCRIPT_PID)" "NOTICE"
fi
exit 1
else
if [ -f "$RUN_DIR/$PROGRAM.attr-update.$destReplica.$SCRIPT_PID" ]; then
Logger "List:\n$(cat $RUN_DIR/$PROGRAM.attr-update.$destReplica.$SCRIPT_PID)" "VERBOSE"
fi
Logger "Successfully updated file attributes on $destReplica replica." "NOTICE"
fi
}
# syncUpdate(source replica, destination replica, delete_list_filename)
function syncUpdate {
local sourceReplica="${1}" # Contains replica type of source: initiator, target
local destinationReplica="${2}" # Contains replica type of destination: initiator, target
local rsyncCmd
local retval
local sourceDir
local escSourceDir
local destDir
local escDestDir
local backupArgs
Logger "Updating $destinationReplica replica." "NOTICE"
if [ "$sourceReplica" == "${INITIATOR[$__type]}" ]; then
sourceDir="${INITIATOR[$__replicaDir]}"
destDir="${TARGET[$__replicaDir]}"
backupArgs="$TARGET_BACKUP"
escSourceDir=$(EscapeSpaces "${INITIATOR[$__replicaDir]}")
escDestDir=$(EscapeSpaces "${TARGET[$__replicaDir]}")
else
sourceDir="${TARGET[$__replicaDir]}"
destDir="${INITIATOR[$__replicaDir]}"
backupArgs="$INITIATOR_BACKUP"
escSourceDir=$(EscapeSpaces "${TARGET[$__replicaDir]}")
escDestDir=$(EscapeSpaces "${INITIATOR[$__replicaDir]}")
fi
if [ "$REMOTE_OPERATION" == "yes" ]; then
CheckConnectivity3rdPartyHosts
CheckConnectivityRemoteHost
if [ "$sourceReplica" == "${INITIATOR[$__type]}" ]; then
rsyncCmd="$(type -p $RSYNC_EXECUTABLE) --rsync-path=\"$RSYNC_PATH\" $RSYNC_ARGS $RSYNC_DRY_ARG $RSYNC_ATTR_ARGS $RSYNC_TYPE_ARGS $SYNC_OPTS -e \"$RSYNC_SSH_CMD\" $backupArgs --exclude \"$OSYNC_DIR\" $RSYNC_PATTERNS $RSYNC_PARTIAL_EXCLUDE --exclude-from=\"${INITIATOR[$__replicaDir]}${INITIATOR[$__stateDir]}/$sourceReplica${INITIATOR[$__deletedListFile]}\" --exclude-from=\"${INITIATOR[$__replicaDir]}${INITIATOR[$__stateDir]}/$destinationReplica${INITIATOR[$__deletedListFile]}\" \"$sourceDir\" $REMOTE_USER@$REMOTE_HOST:\"$escDestDir\" >> $RUN_DIR/$PROGRAM.update.$destinationReplica.$SCRIPT_PID 2>&1"
else
rsyncCmd="$(type -p $RSYNC_EXECUTABLE) --rsync-path=\"$RSYNC_PATH\" $RSYNC_ARGS $RSYNC_DRY_ARG $RSYNC_ATTR_ARGS $RSYNC_TYPE_ARGS $SYNC_OPTS -e \"$RSYNC_SSH_CMD\" $backupArgs --exclude \"$OSYNC_DIR\" $RSYNC_PATTERNS $RSYNC_PARTIAL_EXCLUDE --exclude-from=\"${INITIATOR[$__replicaDir]}${INITIATOR[$__stateDir]}/$destinationReplica${INITIATOR[$__deletedListFile]}\" --exclude-from=\"${INITIATOR[$__replicaDir]}${INITIATOR[$__stateDir]}/$sourceReplica${INITIATOR[$__deletedListFile]}\" $REMOTE_USER@$REMOTE_HOST:\"$escSourceDir\" \"$destDir\" >> $RUN_DIR/$PROGRAM.update.$destinationReplica.$SCRIPT_PID 2>&1"
fi
else
rsyncCmd="$(type -p $RSYNC_EXECUTABLE) --rsync-path=\"$RSYNC_PATH\" $RSYNC_ARGS $RSYNC_DRY_ARG $RSYNC_ATTR_ARGS $RSYNC_TYPE_ARGS $SYNC_OPTS $backupArgs --exclude \"$OSYNC_DIR\" $RSYNC_PATTERNS $RSYNC_PARTIAL_EXCLUDE --exclude-from=\"${INITIATOR[$__replicaDir]}${INITIATOR[$__stateDir]}/$sourceReplica${INITIATOR[$__deletedListFile]}\" --exclude-from=\"${INITIATOR[$__replicaDir]}${INITIATOR[$__stateDir]}/$destinationReplica${INITIATOR[$__deletedListFile]}\" \"$sourceDir\" \"$destDir\" >> $RUN_DIR/$PROGRAM.update.$destinationReplica.$SCRIPT_PID 2>&1"
fi
Logger "RSYNC_CMD: $rsyncCmd" "DEBUG"
eval "$rsyncCmd"
retval=$?
if [ $retval != 0 ] && [ $retval != 24 ]; then
Logger "Updating $destinationReplica replica failed. Stopping execution." "CRITICAL"
if [ -f "$RUN_DIR/$PROGRAM.update.$destinationReplica.$SCRIPT_PID" ]; then
Logger "Rsync output:\n$(cat $RUN_DIR/$PROGRAM.update.$destinationReplica.$SCRIPT_PID)" "NOTICE"
fi
exit 1
else
if [ -f "$RUN_DIR/$PROGRAM.update.$destinationReplica.$SCRIPT_PID" ]; then
Logger "List:\n$(cat $RUN_DIR/$PROGRAM.update.$destinationReplica.$SCRIPT_PID)" "VERBOSE"
fi
Logger "Updating $destinationReplica replica succeded." "NOTICE"
return 0
fi
}
function _deleteLocal {
local replicaType="${1}" # Replica type
local replicaDir="${2}" # Full path to replica
local deletionDir="${3}" # deletion dir in format .[workdir]/deleted
local parentdir
local previousFile=""
local result
local deletionListFromReplica
if [ "$replicaType" == "${INITIATOR[$__type]}" ]; then
deletionListFromReplica="${TARGET[$__type]}"
elif [ "$replicaType" == "${TARGET[$__type]}" ]; then
deletionListFromReplica="${INITIATOR[$__type]}"
else
Logger "Bogus replicaType in [${FUNCNAME[0]}]." "CRITICAL"
exit 1
fi
if [ ! -d "$replicaDir$deletionDir" ] && [ $_DRYRUN == false ]; then
$COMMAND_SUDO mkdir -p "$replicaDir$deletionDir"
if [ $? != 0 ]; then
Logger "Cannot create local replica deletion directory in [$replicaDir$deletionDir]." "ERROR"
exit 1
fi
fi
while read -r files; do
## On every run, check wheter the next item is already deleted because it is included in a directory already deleted
if [[ "$files" != "$previousFile/"* ]] && [ "$files" != "" ]; then
if [ "$SOFT_DELETE" != "no" ]; then
if [ $_DRYRUN == false ]; then
if [ -e "$replicaDir$deletionDir/$files" ]; then
rm -rf "${replicaDir:?}$deletionDir/$files"
fi
if [ -e "$replicaDir$files" ]; then
# In order to keep full path on soft deletion, create parent directories before move
parentdir="$(dirname "$files")"
if [ "$parentdir" != "." ]; then
mkdir -p "$replicaDir$deletionDir/$parentdir"
Logger "Moving deleted file [$replicaDir$files] to [$replicaDir$deletionDir/$parentdir]." "VERBOSE"
mv -f "$replicaDir$files" "$replicaDir$deletionDir/$parentdir"
else
Logger "Moving deleted file [$replicaDir$files] to [$replicaDir$deletionDir]." "VERBOSE"
mv -f "$replicaDir$files" "$replicaDir$deletionDir"
fi
if [ $? != 0 ]; then
Logger "Cannot move [$replicaDir$files] to deletion directory." "ERROR"
echo "$files" >> "${INITIATOR[$__replicaDir]}${INITIATOR[$__stateDir]}/$replicaType${INITIATOR[$__failedDeletedListFile]}"
else
echo "$files" >> "$RUN_DIR/$PROGRAM.delete.$replicaType.$SCRIPT_PID"
fi
fi
fi
else
if [ $_DRYRUN == false ]; then
if [ -e "$replicaDir$files" ]; then
rm -rf "$replicaDir$files"
result=$?
Logger "Deleting [$replicaDir$files]." "VERBOSE"
if [ $result != 0 ]; then
Logger "Cannot delete [$replicaDir$files]." "ERROR"
echo "$files" >> "${INITIATOR[$__replicaDir]}${INITIATOR[$__stateDir]}/$replicaType${INITIATOR[$__failedDeletedListFile]}"
else
echo "$files" >> "$RUN_DIR/$PROGRAM.delete.$replicaType.$SCRIPT_PID"
fi
fi
fi
fi
previousFile="$files"
fi
done < "${INITIATOR[$__replicaDir]}${INITIATOR[$__stateDir]}/$deletionListFromReplica${INITIATOR[$__deletedListFile]}"
}
function _deleteRemote {
local replicaType="${1}" # Replica type
local replicaDir="${2}" # Full path to replica
local deletionDir="${3}" # deletion dir in format .[workdir]/deleted
local escDestDir
local rsyncCmd
local failedDeleteList
local successDeleteList
local deletionListFromReplica
local loggerPrefix
if [ "$replicaType" == "${INITIATOR[$__type]}" ]; then
deletionListFromReplica="${TARGET[$__type]}"
elif [ "$replicaType" == "${TARGET[$__type]}" ]; then
deletionListFromReplica="${INITIATOR[$__type]}"
else
Logger "Bogus replicaType in [${FUNCNAME[0]}]." "CRITICAL"
exit 1
fi
failedDeleteList="$(EscapeSpaces ${TARGET[$__replicaDir]}${TARGET[$__stateDir]}/$replicaType${TARGET[$__failedDeletedListFile]})"
successDeleteList="$(EscapeSpaces ${TARGET[$__replicaDir]}${TARGET[$__stateDir]}/$replicaType${TARGET[$__successDeletedListFile]})"
## This is a special coded function. Need to redelcare local functions on remote host, passing all needed variables as escaped arguments to ssh command.
## Anything beetween << ENDSSH and ENDSSH will be executed remotely
# Additionnaly, we need to copy the deletetion list to the remote state folder
escDestDir="$(EscapeSpaces "${TARGET[$__replicaDir]}${TARGET[$__stateDir]}")"
rsyncCmd="$(type -p $RSYNC_EXECUTABLE) --rsync-path=\"$RSYNC_PATH\" -e \"$RSYNC_SSH_CMD\" \"${INITIATOR[$__replicaDir]}${INITIATOR[$__stateDir]}/$deletionListFromReplica${INITIATOR[$__deletedListFile]}\" $REMOTE_USER@$REMOTE_HOST:\"$escDestDir/\" >> $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.precopy.$SCRIPT_PID 2>&1"
Logger "RSYNC_CMD: $rsyncCmd" "DEBUG"
eval "$rsyncCmd" 2>> "$LOG_FILE"
if [ $? != 0 ]; then
Logger "Cannot copy the deletion list to remote replica." "ERROR"
if [ -f "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.precopy.$SCRIPT_PID" ]; then
Logger "$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.precopy.$SCRIPT_PID)" "ERROR"
fi
exit 1
fi
$SSH_CMD ERROR_ALERT=0 sync_on_changes=$sync_on_changes _DEBUG=$_DEBUG _DRYRUN=$_DRYRUN _LOGGER_VERBOSE=$_LOGGER_VERBOSE COMMAND_SUDO=$COMMAND_SUDO FILE_LIST="$(EscapeSpaces "${TARGET[$__replicaDir]}${TARGET[$__stateDir]}/$deletionListFromReplica${INITIATOR[$__deletedListFile]}")" REPLICA_DIR="$(EscapeSpaces "$replicaDir")" SOFT_DELETE=$SOFT_DELETE DELETION_DIR="$(EscapeSpaces "$deletionDir")" FAILED_DELETE_LIST="$failedDeleteList" SUCCESS_DELETE_LIST="$successDeleteList" 'bash -s' << 'ENDSSH' >> "$RUN_DIR/$PROGRAM.remote_deletion.$SCRIPT_PID" 2>&1
## The following lines are executed remotely
function _logger {
local value="${1}" # What to log
echo -e "$value"
}
function Logger {
local value="${1}" # What to log
local level="${2}" # Log level: DEBUG, NOTICE, WARN, ERROR, CRITIAL
local prefix="RTIME: $SECONDS - "
if [ "$level" == "CRITICAL" ]; then
_logger "$prefix\e[41m$value\e[0m"
return
elif [ "$level" == "ERROR" ]; then
_logger "$prefix\e[91m$value\e[0m"
return
elif [ "$level" == "WARN" ]; then
_logger "$prefix\e[93m$value\e[0m"
return
elif [ "$level" == "NOTICE" ]; then
_logger "$prefix$value"
return
elif [ "$level" == "VERBOSE" ]; then
if [ $_LOGGER_VERBOSE == true ]; then
_logger "$prefix$value"
fi
return
elif [ "$level" == "DEBUG" ]; then
if [ "$_DEBUG" == "yes" ]; then
_logger "$prefix$value"
fi
return
else
_logger "\e[41mLogger function called without proper loglevel [$level].\e[0m"
_logger "$prefix$value"
fi
}
## Empty earlier failed delete list
> "$FAILED_DELETE_LIST"
> "$SUCCESS_DELETE_LIST"
parentdir=
previousFile=""
if [ ! -d "$REPLICA_DIR$DELETION_DIR" ] && [ $_DRYRUN == false ]; then
$COMMAND_SUDO mkdir -p "$REPLICA_DIR$DELETION_DIR"
if [ $? != 0 ]; then
Logger "Cannot create remote replica deletion directory in [$REPLICA_DIR$DELETION_DIR]." "ERROR"
exit 1
fi
fi
while read -r files; do
## On every run, check wheter the next item is already deleted because it is included in a directory already deleted
if [[ "$files" != "$previousFile/"* ]] && [ "$files" != "" ]; then
if [ "$SOFT_DELETE" != "no" ]; then
if [ $_DRYRUN == false ]; then
if [ -e "$REPLICA_DIR$DELETION_DIR/$files" ]; then
$COMMAND_SUDO rm -rf "$REPLICA_DIR$DELETION_DIR/$files"
fi
if [ -e "$REPLICA_DIR$files" ]; then
# In order to keep full path on soft deletion, create parent directories before move
parentdir="$(dirname "$files")"
if [ "$parentdir" != "." ]; then
Logger "Moving deleted file [$REPLICA_DIR$files] to [$REPLICA_DIR$DELETION_DIR/$parentdir]." "VERBOSE"
$COMMAND_SUDO mkdir -p "$REPLICA_DIR$DELETION_DIR/$parentdir"
$COMMAND_SUDO mv -f "$REPLICA_DIR$files" "$REPLICA_DIR$DELETION_DIR/$parentdir"
else
Logger "Moving deleted file [$REPLICA_DIR$files] to [$REPLICA_DIR$DELETION_DIR]." "VERBOSE"
$COMMAND_SUDO mv -f "$REPLICA_DIR$files" "$REPLICA_DIR$DELETION_DIR"
fi
if [ $? != 0 ]; then
Logger "Cannot move [$REPLICA_DIR$files] to deletion directory." "ERROR"
# Using $files instead of $REPLICA_DIR$files here so the list is ready for next run
echo "$files" >> "$FAILED_DELETE_LIST"
else
echo "$files" >> "$SUCCESS_DELETE_LIST"
fi
fi
fi
else
if [ $_DRYRUN == false ]; then
if [ -e "$REPLICA_DIR$files" ]; then
Logger "Deleting [$REPLICA_DIR$files]." "VERBOSE"
$COMMAND_SUDO rm -rf "$REPLICA_DIR$files"
if [ $? != 0 ]; then
Logger "Cannot delete [$REPLICA_DIR$files]." "ERROR"
echo "$files" >> "$FAILED_DELETE_LIST"
else
echo "$files" >> "$SUCCESS_DELETE_LIST"
fi
fi
fi
fi
previousFile="$files"
fi
done < "$FILE_LIST"
ENDSSH
if [ -z "$RUN_DIR/$PROGRAM.remote_deletion.$SCRIPT_PID" ]; then
loggerPrefix="$_LOGGER_PREFIX"
_LOGGER_PREFIX=""
Logger "$(cat $RUN_DIR/$PROGRAM.remote_deletion.$SCRIPT_PID)" "ERROR"
_LOGGER_PREFIX="$loggerPrefix"
fi
## Copy back the deleted failed file list
#rsyncCmd="$(type -p $RSYNC_EXECUTABLE) --rsync-path=\"$RSYNC_PATH\" -e \"$RSYNC_SSH_CMD\" $REMOTE_USER@$REMOTE_HOST:\"{$failedDeleteList,$successDeleteList}\" \"${INITIATOR[$__replicaDir]}${INITIATOR[$__stateDir]}\" > \"$RUN_DIR/$PROGRAM.remote_failed_deletion_list_copy.$SCRIPT_PID\""
rsyncCmd="$(type -p $RSYNC_EXECUTABLE) -r --rsync-path=\"$RSYNC_PATH\" -e \"$RSYNC_SSH_CMD\" --include \"$(dirname ${TARGET[$__stateDir]})\" --include \"${TARGET[$__stateDir]}\" --include \"${TARGET[$__stateDir]}/$replicaType${TARGET[$__failedDeletedListFile]}\" --include \"${TARGET[$__stateDir]}/$replicaType${TARGET[$__successDeletedListFile]}\" --exclude='*' $REMOTE_USER@$REMOTE_HOST:\"$(EscapeSpaces ${TARGET[$__replicaDir]})\" \"${INITIATOR[$__replicaDir]}\" > \"$RUN_DIR/$PROGRAM.remote_failed_deletion_list_copy.$SCRIPT_PID\""
Logger "RSYNC_CMD: $rsyncCmd" "DEBUG"
eval "$rsyncCmd" 2>> "$LOG_FILE"
result=$?
if [ $result != 0 ]; then
Logger "Cannot copy back the failed deletion list to initiator replica." "CRITICAL"
if [ -f "$RUN_DIR/$PROGRAM.remote_failed_deletion_list_copy.$SCRIPT_PID" ]; then
Logger "Comand output: $(cat $RUN_DIR/$PROGRAM.remote_failed_deletion_list_copy.$SCRIPT_PID)" "NOTICE"
fi
exit 1
fi
return 0
}
# delete_Propagation(replica type)
function deletionPropagation {
local replicaType="${1}" # Contains replica type: initiator, target where to delete
local replicaDir
local deleteDir
Logger "Propagating deletions to $replicaType replica." "NOTICE"
if [ "$replicaType" == "${INITIATOR[$__type]}" ]; then
if [ $(arrayContains "${INITIATOR[$__type]}" "${SKIP_DELETION[@]}") -eq 0 ]; then
replicaDir="${INITIATOR[$__replicaDir]}"
deleteDir="${INITIATOR[$__deleteDir]}"
_deleteLocal "${INITIATOR[$__type]}" "$replicaDir" "$deleteDir"
retval=$?
if [ $retval != 0 ]; then
Logger "Deletion on $replicaType replica failed." "CRITICAL"
exit 1
fi
else
Logger "Skipping deletion on replica $replicaType." "NOTICE"
fi
elif [ "$replicaType" == "${TARGET[$__type]}" ]; then
if [ $(arrayContains "${TARGET[$__type]}" "${SKIP_DELETION[@]}") -eq 0 ]; then
replicaDir="${TARGET[$__replicaDir]}"
deleteDir="${TARGET[$__deleteDir]}"
if [ "$REMOTE_OPERATION" == "yes" ]; then
_deleteRemote "${TARGET[$__type]}" "$replicaDir" "$deleteDir"
else
_deleteLocal "${TARGET[$__type]}" "$replicaDir" "$deleteDir"
fi
retval=$?
if [ $retval == 0 ]; then
if [ -f "$RUN_DIR/$PROGRAM._delete_remote.$SCRIPT_PID" ]; then
Logger "Remote:\n$(cat $RUN_DIR/$PROGRAM._delete_remote.$SCRIPT_PID)" "VERBOSE"
fi
return $retval
else
Logger "Deletion on $replicaType failed." "CRITICAL"
if [ -f "$RUN_DIR/$PROGRAM.remote_deletion.$SCRIPT_PID" ]; then
Logger "Remote:\n$(cat $RUN_DIR/$PROGRAM.remote_deletion.$SCRIPT_PID)" "CRITICAL"
fi
exit 1
fi
else
Logger "Skipping deletion on replica $replicaType." "NOTICE"
fi
fi
}
###### Sync function in 6 steps
######
###### Step 0a & 0b: Create current file list of replicas
###### Step 1a & 1b: Create deleted file list of replicas
###### Step 3: Update file attributes
###### Step 3a & 3b: Update replicas
###### Step 4a & 4b: Propagate deletions on replicas
###### Step 5a & 5b: Create after run file list of replicas
function Sync {
local resumeCount
local resumeInitiator
local resumeTarget
local initiatorPid
local targetPid
local initiatorFail
local targetFail
Logger "Starting synchronization task." "NOTICE"
if [ "$RESUME_SYNC" != "no" ]; then
if [ -f "${INITIATOR[$__resumeCount]}" ]; then
resumeCount=$(cat "${INITIATOR[$__resumeCount]}")
else
resumeCount=0
fi
if [ $resumeCount -lt $RESUME_TRY ]; then
if [ -f "${INITIATOR[$__initiatorLastActionFile]}" ]; then
resumeInitiator=$(cat "${INITIATOR[$__initiatorLastActionFile]}")
else
resumeInitiator="synced"
fi
if [ -f "${INITIATOR[$__targetLastActionFile]}" ]; then
resumeTarget=$(cat "${INITIATOR[$__targetLastActionFile]}")
else
resumeTarget="synced"
fi
if [ "$resumeInitiator" != "synced" ]; then
Logger "WARNING: Trying to resume aborted execution on $($STAT_CMD "${INITIATOR[$__initiatorLastActionFile]}") at task [$resumeInitiator] for initiator. [$resumeCount] previous tries." "WARN"
echo $(($resumeCount+1)) > "${INITIATOR[$__resumeCount]}"
else
resumeInitiator="none"
fi
if [ "$resumeTarget" != "synced" ]; then
Logger "WARNING: Trying to resume aborted execution on $($STAT_CMD "${INITIATOR[$__targetLastActionFile]}") as task [$resumeTarget] for target. [$resumeCount] previous tries." "WARN"
echo $(($resumeCount+1)) > "${INITIATOR[$__resumeCount]}"
else
resumeTarget="none"
fi
else
Logger "Will not resume aborted execution. Too many resume tries [$resumeCount]." "WARN"
echo "0" > "${INITIATOR[$__resumeCount]}"
resumeInitiator="none"
resumeTarget="none"
fi
else
resumeInitiator="none"
resumeTarget="none"
fi
################################################################################################################################################# Actual sync begins here
## Step 0a & 0b
if [ "$resumeInitiator" == "none" ] || [ "$resumeTarget" == "none" ] || [ "$resumeInitiator" == "${SYNC_ACTION[0]}" ] || [ "$resumeTarget" == "${SYNC_ACTION[0]}" ]; then
if [ "$resumeInitiator" == "none" ] || [ "$resumeInitiator" == "${SYNC_ACTION[0]}" ]; then
treeList "${INITIATOR[$__replicaDir]}" "${INITIATOR[$__type]}" "${INITIATOR[$__treeCurrentFile]}" &
initiatorPid="$!"
fi
if [ "$resumeTarget" == "none" ] || [ "$resumeTarget" == "${SYNC_ACTION[0]}" ]; then
treeList "${TARGET[$__replicaDir]}" "${TARGET[$__type]}" "${INITIATOR[$__treeCurrentFile]}" &
targetPid="$!"
fi
WaitForTaskCompletion "$initiatorPid;$targetPid" $SOFT_MAX_EXEC_TIME $HARD_MAX_EXEC_TIME $SLEEP_TIME $KEEP_LOGGING false true false ${FUNCNAME[0]}
if [ $? != 0 ]; then
IFS=';' read -r -a pidArray <<< "$WAIT_FOR_TASK_COMPLETION"
initiatorFail=false
targetFail=false
for pid in "${pidArray[@]}"; do
pid=${pid%:*}
if [ "$pid" == "$initiatorPid" ]; then
echo "${SYNC_ACTION[0]}" > "${INITIATOR[$__initiatorLastActionFile]}"
initiatorFail=true
elif [ "$pid" == "$targetPid" ]; then
echo "${SYNC_ACTION[0]}" > "${INITIATOR[$__targetLastActionFile]}"
targetFail=true
fi
done
if [ $initiatorFail == false ]; then
echo "${SYNC_ACTION[1]}" > "${INITIATOR[$__initiatorLastActionFile]}"
fi
if [ $targetFail == false ]; then
echo "${SYNC_ACTION[1]}" > "${INITIATOR[$__targetLastActionFile]}"
fi
exit 1
else
echo "${SYNC_ACTION[1]}" > "${INITIATOR[$__initiatorLastActionFile]}"
echo "${SYNC_ACTION[1]}" > "${INITIATOR[$__targetLastActionFile]}"
resumeInitiator="${SYNC_ACTION[1]}"
resumeTarget="${SYNC_ACTION[1]}"
fi
fi
## Step 1a & 1b
if [ "$resumeInitiator" == "${SYNC_ACTION[1]}" ] || [ "$resumeTarget" == "${SYNC_ACTION[1]}" ]; then
if [ "$resumeInitiator" == "${SYNC_ACTION[1]}" ]; then
deleteList "${INITIATOR[$__type]}" &
initiatorPid="$!"
fi
if [ "$resumeTarget" == "${SYNC_ACTION[1]}" ]; then
deleteList "${TARGET[$__type]}" &
targetPid="$!"
fi
WaitForTaskCompletion "$initiatorPid;$targetPid" $SOFT_MAX_EXEC_TIME $HARD_MAX_EXEC_TIME $SLEEP_TIME $KEEP_LOGGING false true false ${FUNCNAME[0]}
if [ $? != 0 ]; then
IFS=';' read -r -a pidArray <<< "$WAIT_FOR_TASK_COMPLETION"
initiatorFail=false
targetFail=false
for pid in "${pidArray[@]}"; do
pid=${pid%:*}
if [ "$pid" == "$initiatorPid" ]; then
echo "${SYNC_ACTION[1]}" > "${INITIATOR[$__initiatorLastActionFile]}"
initiatorFail=true
elif [ "$pid" == "$targetPid" ]; then
echo "${SYNC_ACTION[1]}" > "${INITIATOR[$__targetLastActionFile]}"
targetFail=true
fi
done
if [ $initiatorFail == false ]; then
echo "${SYNC_ACTION[2]}" > "${INITIATOR[$__initiatorLastActionFile]}"
fi
if [ $targetFail == false ]; then
echo "${SYNC_ACTION[2]}" > "${INITIATOR[$__targetLastActionFile]}"
fi
exit 1
else
echo "${SYNC_ACTION[2]}" > "${INITIATOR[$__initiatorLastActionFile]}"
echo "${SYNC_ACTION[2]}" > "${INITIATOR[$__targetLastActionFile]}"
resumeInitiator="${SYNC_ACTION[2]}"
resumeTarget="${SYNC_ACTION[2]}"
fi
fi
## Step 2
if [ "$resumeInitiator" == "${SYNC_ACTION[2]}" ] || [ "$resumeTarget" == "${SYNC_ACTION[2]}" ]; then
if [[ "$RSYNC_ATTR_ARGS" == *"-X"* ]] || [[ "$RSYNC_ATTR_ARGS" == *"-A"* ]]; then
syncAttrs "${INITIATOR[$__replicaDir]}" "$TARGET_SYNC_DIR"
WaitForTaskCompletion $! $SOFT_MAX_EXEC_TIME $HARD_MAX_EXEC_TIME $SLEEP_TIME $KEEP_LOGGING false true false ${FUNCNAME[0]}
if [ $? != 0 ]; then
echo "${SYNC_ACTION[2]}" > "${INITIATOR[$__initiatorLastActionFile]}"
echo "${SYNC_ACTION[2]}" > "${INITIATOR[$__targetLastActionFile]}"
exit 1
else
echo "${SYNC_ACTION[3]}" > "${INITIATOR[$__initiatorLastActionFile]}"
echo "${SYNC_ACTION[3]}" > "${INITIATOR[$__targetLastActionFile]}"
resumeInitiator="${SYNC_ACTION[3]}"
resumeTarget="${SYNC_ACTION[3]}"
fi
else
echo "${SYNC_ACTION[3]}" > "${INITIATOR[$__initiatorLastActionFile]}"
echo "${SYNC_ACTION[3]}" > "${INITIATOR[$__targetLastActionFile]}"
resumeInitiator="${SYNC_ACTION[3]}"
resumeTarget="${SYNC_ACTION[3]}"
fi
fi
## Step 3a & 3b
if [ "$resumeInitiator" == "${SYNC_ACTION[3]}" ] || [ "$resumeTarget" == "${SYNC_ACTION[3]}" ]; then
if [ "$CONFLICT_PREVALANCE" == "${TARGET[$__type]}" ]; then
if [ "$resumeTarget" == "${SYNC_ACTION[3]}" ]; then
syncUpdate "${TARGET[$__type]}" "${INITIATOR[$__type]}"
if [ $? == 0 ]; then
echo "${SYNC_ACTION[4]}" > "${INITIATOR[$__targetLastActionFile]}"
resumeTarget="${SYNC_ACTION[4]}"
fi
fi
if [ "$resumeInitiator" == "${SYNC_ACTION[3]}" ]; then
syncUpdate "${INITIATOR[$__type]}" "${TARGET[$__type]}"
if [ $? == 0 ]; then
echo "${SYNC_ACTION[4]}" > "${INITIATOR[$__initiatorLastActionFile]}"
resumeInitiator="${SYNC_ACTION[4]}"
fi
fi
else
if [ "$resumeInitiator" == "${SYNC_ACTION[3]}" ]; then
syncUpdate "${INITIATOR[$__type]}" "${TARGET[$__type]}"
if [ $? == 0 ]; then
echo "${SYNC_ACTION[4]}" > "${INITIATOR[$__initiatorLastActionFile]}"
resumeInitiator="${SYNC_ACTION[4]}"
fi
fi
if [ "$resumeTarget" == "${SYNC_ACTION[3]}" ]; then
syncUpdate "${TARGET[$__type]}" "${INITIATOR[$__type]}"
if [ $? == 0 ]; then
echo "${SYNC_ACTION[4]}" > "${INITIATOR[$__targetLastActionFile]}"
resumeTarget="${SYNC_ACTION[4]}"
fi
fi
fi
fi
## Step 4a & 4b
if [ "$resumeInitiator" == "${SYNC_ACTION[4]}" ] || [ "$resumeTarget" == "${SYNC_ACTION[4]}" ]; then
if [ "$resumeInitiator" == "${SYNC_ACTION[4]}" ]; then
deletionPropagation "${INITIATOR[$__type]}" &
initiatorPid="$!"
fi
if [ "$resumeTarget" == "${SYNC_ACTION[4]}" ]; then
deletionPropagation "${TARGET[$__type]}" &
targetPid="$!"
fi
WaitForTaskCompletion "$initiatorPid;$targetPid" $SOFT_MAX_EXEC_TIME $HARD_MAX_EXEC_TIME $SLEEP_TIME $KEEP_LOGGING false true false ${FUNCNAME[0]}
if [ $? != 0 ]; then
IFS=';' read -r -a pidArray <<< "$WAIT_FOR_TASK_COMPLETION"
initiatorFail=false
targetFail=false
for pid in "${pidArray[@]}"; do
pid=${pid%:*}
if [ "$pid" == "$initiatorPid" ]; then
echo "${SYNC_ACTION[4]}" > "${INITIATOR[$__initiatorLastActionFile]}"
initiatorFail=true
elif [ "$pid" == "$targetPid" ]; then
echo "${SYNC_ACTION[4]}" > "${INITIATOR[$__targetLastActionFile]}"
targetFail=true
fi
done
if [ $initiatorFail == false ]; then
echo "${SYNC_ACTION[5]}" > "${INITIATOR[$__initiatorLastActionFile]}"
fi
if [ $targetFail == false ]; then
echo "${SYNC_ACTION[5]}" > "${INITIATOR[$__targetLastActionFile]}"
fi
exit 1
else
echo "${SYNC_ACTION[5]}" > "${INITIATOR[$__initiatorLastActionFile]}"
echo "${SYNC_ACTION[5]}" > "${INITIATOR[$__targetLastActionFile]}"
resumeInitiator="${SYNC_ACTION[5]}"
resumeTarget="${SYNC_ACTION[5]}"
fi
fi
## Step 5a & 5b
if [ "$resumeInitiator" == "${SYNC_ACTION[5]}" ] || [ "$resumeTarget" == "${SYNC_ACTION[5]}" ]; then
if [ "$resumeInitiator" == "${SYNC_ACTION[5]}" ]; then
treeList "${INITIATOR[$__replicaDir]}" "${INITIATOR[$__type]}" "${INITIATOR[$__treeAfterFile]}" &
initiatorPid="$!"
fi
if [ "$resumeTarget" == "${SYNC_ACTION[5]}" ]; then
treeList "${TARGET[$__replicaDir]}" "${TARGET[$__type]}" "${INITIATOR[$__treeAfterFile]}" &
targetPid="$!"
fi
WaitForTaskCompletion "$initiatorPid;$targetPid" $SOFT_MAX_EXEC_TIME $HARD_MAX_EXEC_TIME $SLEEP_TIME $KEEP_LOGGING false true false ${FUNCNAME[0]}
if [ $? != 0 ]; then
IFS=';' read -r -a pidArray <<< "$WAIT_FOR_TASK_COMPLETION"
initiatorFail=false
targetFail=false
for pid in "${pidArray[@]}"; do
pid=${pid%:*}
if [ "$pid" == "$initiatorPid" ]; then
echo "${SYNC_ACTION[5]}" > "${INITIATOR[$__initiatorLastActionFile]}"
initiatorFail=true
elif [ "$pid" == "$targetPid" ]; then
echo "${SYNC_ACTION[5]}" > "${INITIATOR[$__targetLastActionFile]}"
targetFail=true
fi
done
if [ $initiatorFail == false ]; then
echo "${SYNC_ACTION[6]}" > "${INITIATOR[$__initiatorLastActionFile]}"
fi
if [ $targetFail == false ]; then
echo "${SYNC_ACTION[6]}" > "${INITIATOR[$__targetLastActionFile]}"
fi
exit 1
else
echo "${SYNC_ACTION[6]}" > "${INITIATOR[$__initiatorLastActionFile]}"
echo "${SYNC_ACTION[6]}" > "${INITIATOR[$__targetLastActionFile]}"
resumeInitiator="${SYNC_ACTION[6]}"
resumeTarget="${SYNC_ACTION[6]}"
fi
fi
Logger "Finished synchronization task." "NOTICE"
echo "0" > "${INITIATOR[$__resumeCount]}"
}
function _SoftDeleteLocal {
local replicaType="${1}" # replica type (initiator, target)
local replicaDeletionPath="${2}" # Contains the full path to softdelete / backup directory without ending slash
local changeTime="${3}" # Delete files older than changeTime days
local deletionType="${4}" # Trivial deletion type string
local retval
if [ "$LOCAL_OS" == "Busybox" ] || [ "$LOCAL_OS" == "Android" ]; then
Logger "Skipping $deletionType deletion on $replicaType. Busybox find -ctime not supported." "NOTICE"
return 0
fi
if [ -d "$replicaDeletionPath" ]; then
if [ $_DRYRUN == true ]; then
Logger "Listing files older than $changeTime days on $replicaType replica for $deletionType deletion. Does not remove anything." "NOTICE"
else
Logger "Removing files older than $changeTime days on $replicaType replica for $deletionType deletion." "NOTICE"
fi
if [ $_LOGGER_VERBOSE == true ]; then
# Cannot launch log function from xargs, ugly hack
$COMMAND_SUDO $FIND_CMD "$replicaDeletionPath/" -type f -ctime +$changeTime -print0 | xargs -0 -I {} echo "Will delete file {}" >> "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID"
Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "VERBOSE"
$COMMAND_SUDO $FIND_CMD "$replicaDeletionPath/" -type d -empty -ctime +$changeTime -print0 | xargs -0 -I {} echo "Will delete directory {}" >> "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID"
Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "VERBOSE"
fi
if [ $_DRYRUN == false ]; then
$COMMAND_SUDO $FIND_CMD "$replicaDeletionPath/" -type f -ctime +$changeTime -print0 | xargs -0 -I {} $COMMAND_SUDO rm -f "{}" && $COMMAND_SUDO $FIND_CMD "$replicaDeletionPath/" -type d -empty -ctime +$changeTime -print0 | xargs -0 -I {} $COMMAND_SUDO rm -rf "{}" >> "$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID" 2>&1
else
Dummy
fi
retval=$?
if [ $retval -ne 0 ]; then
Logger "Error while executing cleanup on $replicaType replica." "ERROR"
Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "NOTICE"
else
Logger "Cleanup complete on $replicaType replica." "NOTICE"
fi
elif [ -d "$replicaDeletionPath" ] && ! [ -w "$replicaDeletionPath" ]; then
Logger "The $replicaType replica dir [$replicaDeletionPath] is not writable. Cannot clean old files." "ERROR"
else
Logger "The $replicaType replica dir [$replicaDeletionPath] does not exist. Skipping cleaning of old files." "VERBOSE"
fi
}
function _SoftDeleteRemote {
local replicaType="${1}"
local replicaDeletionPath="${2}" # Contains the full path to softdelete / backup directory without ending slash
local changeTime="${3}" # Delete files older than changeTime days
local deletionType="${4}" # Trivial deletion type string
local retval
if [ "$REMOTE_OS" == "BusyBox" ] || [ "$REMOTE_OS" == "Android" ]; then
Logger "Skipping $deletionType deletion on $replicaType. Busybox find -ctime not supported." "NOTICE"
return 0
fi
CheckConnectivity3rdPartyHosts
CheckConnectivityRemoteHost
if [ $_DRYRUN == true ]; then
Logger "Listing files older than $changeTime days on $replicaType replica for $deletionType deletion. Does not remove anything." "NOTICE"
else
Logger "Removing files older than $changeTime days on $replicaType replica for $deletionType deletion." "NOTICE"
fi
if [ $_LOGGER_VERBOSE == true ]; then
# Cannot launch log function from xargs, ugly hack
cmd=$SSH_CMD' "if [ -d \"'$replicaDeletionPath'\" ]; then '$COMMAND_SUDO' '$REMOTE_FIND_CMD' \"'$replicaDeletionPath'/\" -type f -ctime +'$changeTime' -print0 | xargs -0 -I {} echo Will delete file {} && '$COMMAND_SUDO' '$REMOTE_FIND_CMD' \"'$replicaDeletionPath'/\" -type d -empty -ctime '$changeTime' -print0 | xargs -0 -I {} echo Will delete directory {}; else echo \"The $replicaType replica dir [$replicaDeletionPath] does not exist. Skipping cleaning of old files.\"; fi" > "'$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID'" 2>&1'
Logger "cmd: $cmd" "DEBUG"
eval "$cmd"
Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "VERBOSE"
fi
if [ $_DRYRUN == false ]; then
cmd=$SSH_CMD' "if [ -d \"'$replicaDeletionPath'\" ]; then '$COMMAND_SUDO' '$REMOTE_FIND_CMD' \"'$replicaDeletionPath'/\" -type f -ctime +'$changeTime' -print0 | xargs -0 -I {} '$COMMAND_SUDO' rm -f \"{}\" && '$COMMAND_SUDO' '$REMOTE_FIND_CMD' \"'$replicaDeletionPath'/\" -type d -empty -ctime '$changeTime' -print0 | xargs -0 -I {} '$COMMAND_SUDO' rm -rf \"{}\"; else echo \"The $replicaType replicaDir [$replicaDeletionPath] does not exist. Skipping cleaning of old files.\"; fi" >> "'$RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID'" 2>&1'
Logger "cmd: $cmd" "DEBUG"
eval "$cmd"
else
Dummy
fi
retval=$?
if [ $retval -ne 0 ]; then
Logger "Error while executing cleanup on remote $replicaType replica." "ERROR"
Logger "Command output:\n$(cat $RUN_DIR/$PROGRAM.${FUNCNAME[0]}.$SCRIPT_PID)" "NOTICE"
else
Logger "Cleanup complete on $replicaType replica." "NOTICE"
fi
}
function SoftDelete {
local pids
if [ "$CONFLICT_BACKUP" != "no" ] && [ $CONFLICT_BACKUP_DAYS -ne 0 ]; then
Logger "Running conflict backup cleanup." "NOTICE"
_SoftDeleteLocal "${INITIATOR[$__type]}" "${INITIATOR[$__replicaDir]}${INITIATOR[$__backupDir]}" $CONFLICT_BACKUP_DAYS "conflict backup" &
pids="$!"
if [ "$REMOTE_OPERATION" != "yes" ]; then
_SoftDeleteLocal "${TARGET[$__type]}" "${TARGET[$__replicaDir]}${TARGET[$__backupDir]}" $CONFLICT_BACKUP_DAYS "conflict backup" &
pids="$pids;$!"
else
_SoftDeleteRemote "${TARGET[$__type]}" "${TARGET[$__replicaDir]}${TARGET[$__backupDir]}" $CONFLICT_BACKUP_DAYS "conflict backup" &
pids="$pids;$!"
fi
WaitForTaskCompletion $pids 720 1800 $SLEEP_TIME $KEEP_LOGGING true true false ${FUNCNAME[0]}
fi
if [ "$SOFT_DELETE" != "no" ] && [ $SOFT_DELETE_DAYS -ne 0 ]; then
Logger "Running soft deletion cleanup." "NOTICE"
_SoftDeleteLocal "${INITIATOR[$__type]}" "${INITIATOR[$__replicaDir]}${INITIATOR[$__deleteDir]}" $SOFT_DELETE_DAYS "softdelete" &
pids="$!"
if [ "$REMOTE_OPERATION" != "yes" ]; then
_SoftDeleteLocal "${TARGET[$__type]}" "${TARGET[$__replicaDir]}${TARGET[$__deleteDir]}" $SOFT_DELETE_DAYS "softdelete" &
pids="$pids;$!"
else
_SoftDeleteRemote "${TARGET[$__type]}" "${TARGET[$__replicaDir]}${TARGET[$__deleteDir]}" $SOFT_DELETE_DAYS "softdelete" &
pids="$pids;$!"
fi
WaitForTaskCompletion $pids 720 1800 $SLEEP_TIME $KEEP_LOGGING true true false ${FUNCNAME[0]}
fi
}
function _SummaryFromFile {
local replicaPath="${1}"
local summaryFile="${2}"
local direction="${3}"
if [ -f "$summaryFile" ]; then
while read -r file; do
Logger "$direction $replicaPath$(echo $file | awk '{for (i=2; i<NF; i++) printf $i " "; print $NF}')" "ALWAYS"
done < "$summaryFile"
fi
}
function Summary {
local loggerPrefix
loggerPrefix="$_LOGGER_PREFIX"
_LOGGER_PREFIX=""
Logger "Attrib updates: INITIATOR << >> TARGET" "ALWAYS"
_SummaryFromFile "${TARGET[$__replicaDir]}" "$RUN_DIR/$PROGRAM.attr-update.target.$SCRIPT_PID" "~ >>"
_SummaryFromFile "${INITIATOR[$__replicaDir]}" "$RUN_DIR/$PROGRAM.attr-update.initiator.$SCRIPT_PID" "~ <<"
Logger "File transfers: INITIATOR << >> TARGET" "ALWAYS"
_SummaryFromFile "${TARGET[$__replicaDir]}" "$RUN_DIR/$PROGRAM.update.target.$SCRIPT_PID" "+ >>"
_SummaryFromFile "${INITIATOR[$__replicaDir]}" "$RUN_DIR/$PROGRAM.update.initiator.$SCRIPT_PID" "+ <<"
#WIP: remote deletion summary does not work
Logger "File deletions: INITIATOR << >> TARGET" "ALWAYS"
if [ "$REMOTE_OPERATION" == "yes" ]; then
_SummaryFromFile "${TARGET[$__replicaDir]}" "${INITIATOR[$__replicaDir]}${INITIATOR[$__stateDir]}/target${TARGET[$__successDeletedListFile]}" "- >>"
else
_SummaryFromFile "${TARGET[$__replicaDir]}" "$RUN_DIR/$PROGRAM.delete.target.$SCRIPT_PID" "- >>"
fi
_SummaryFromFile "${INITIATOR[$__replicaDir]}" "$RUN_DIR/$PROGRAM.delete.initiator.$SCRIPT_PID" "- <<"
_LOGGER_PREFIX="$loggerPrefix"
}
function Init {
# Set error exit code if a piped command fails
set -o pipefail
set -o errtrace
# Do not use exit and quit traps if osync runs in monitor mode
if [ $sync_on_changes == false ]; then
trap TrapStop INT HUP TERM QUIT
trap TrapQuit EXIT
else
trap TrapQuit TERM EXIT HUP QUIT
fi
local uri
local hosturiandpath
local hosturi
## Test if target dir is a ssh uri, and if yes, break it down it its values
if [ "${TARGET_SYNC_DIR:0:6}" == "ssh://" ]; then
REMOTE_OPERATION="yes"
# remove leadng 'ssh://'
uri=${TARGET_SYNC_DIR#ssh://*}
if [[ "$uri" == *"@"* ]]; then
# remove everything after '@'
REMOTE_USER=${uri%@*}
else
REMOTE_USER=$LOCAL_USER
fi
if [ "$SSH_RSA_PRIVATE_KEY" == "" ]; then
if [ ! -f "$SSH_PASSWORD_FILE" ]; then
# Assume that there might exist a standard rsa key
SSH_RSA_PRIVATE_KEY=~/.ssh/id_rsa
fi
fi
# remove everything before '@'
hosturiandpath=${uri#*@}
# remove everything after first '/'
hosturi=${hosturiandpath%%/*}
if [[ "$hosturi" == *":"* ]]; then
REMOTE_PORT=${hosturi##*:}
else
REMOTE_PORT=22
fi
REMOTE_HOST=${hosturi%%:*}
# remove everything before first '/'
TARGET_SYNC_DIR=${hosturiandpath#*/}
else
REMOTE_OPERATION="no"
fi
if [ "$INITIATOR_SYNC_DIR" == "" ] || [ "$TARGET_SYNC_DIR" == "" ]; then
Logger "Initiator or target path empty." "CRITICAL"
exit 1
fi
## Make sure there is only one trailing slash on path
INITIATOR_SYNC_DIR="${INITIATOR_SYNC_DIR%/}/"
TARGET_SYNC_DIR="${TARGET_SYNC_DIR%/}/"
# Expand ~ if exists
INITIATOR_SYNC_DIR="${INITIATOR_SYNC_DIR/#\~/$HOME}"
TARGET_SYNC_DIR="${TARGET_SYNC_DIR/#\~/$HOME}"
SSH_RSA_PRIVATE_KEY="${SSH_RSA_PRIVATE_KEY/#\~/$HOME}"
SSH_PASSWORD_FILE="${SSH_PASSWORD_FILE/#\~/$HOME}"
## Replica format
## Why the f*** does bash not have simple objects ?
# Local variables used for state filenames
local lockFilename="lock"
local stateDir="state"
local backupDir="backup"
local deleteDir="deleted"
local partialDir="_partial"
local lastAction="last-action"
local resumeCount="resume-count"
if [ "$_DRYRUN" == true ]; then
local drySuffix="-dry"
else
local drySuffix=
fi
# The following associative like array definitions are used for bash ver < 4 compat
readonly __type=0
readonly __replicaDir=1
readonly __lockFile=2
readonly __stateDir=3
readonly __backupDir=4
readonly __deleteDir=5
readonly __partialDir=6
readonly __initiatorLastActionFile=7
readonly __targetLastActionFile=8
readonly __resumeCount=9
readonly __treeCurrentFile=10
readonly __treeAfterFile=11
readonly __treeAfterFileNoSuffix=12
readonly __deletedListFile=13
readonly __failedDeletedListFile=14
readonly __successDeletedListFile=15
INITIATOR=()
INITIATOR[$__type]='initiator'
INITIATOR[$__replicaDir]="$INITIATOR_SYNC_DIR"
INITIATOR[$__lockFile]="$INITIATOR_SYNC_DIR$OSYNC_DIR/$lockFilename"
INITIATOR[$__stateDir]="$OSYNC_DIR/$stateDir"
INITIATOR[$__backupDir]="$OSYNC_DIR/$backupDir"
INITIATOR[$__deleteDir]="$OSYNC_DIR/$deleteDir"
INITIATOR[$__partialDir]="$OSYNC_DIR/$partialDir"
INITIATOR[$__initiatorLastActionFile]="$INITIATOR_SYNC_DIR$OSYNC_DIR/$stateDir/initiator-$lastAction-$INSTANCE_ID$drySuffix"
INITIATOR[$__targetLastActionFile]="$INITIATOR_SYNC_DIR$OSYNC_DIR/$stateDir/target-$lastAction-$INSTANCE_ID$drySuffix"
INITIATOR[$__resumeCount]="$INITIATOR_SYNC_DIR$OSYNC_DIR/$stateDir/$resumeCount-$INSTANCE_ID$drySuffix"
INITIATOR[$__treeCurrentFile]="-tree-current-$INSTANCE_ID$drySuffix"
INITIATOR[$__treeAfterFile]="-tree-after-$INSTANCE_ID$drySuffix"
INITIATOR[$__treeAfterFileNoSuffix]="-tree-after-$INSTANCE_ID"
INITIATOR[$__deletedListFile]="-deleted-list-$INSTANCE_ID$drySuffix"
INITIATOR[$__failedDeletedListFile]="-failed-delete-$INSTANCE_ID$drySuffix"
INITIATOR[$__successDeletedListFile]="-success-delete-$INSTANCE_ID$drySuffix"
TARGET=()
TARGET[$__type]='target'
TARGET[$__replicaDir]="$TARGET_SYNC_DIR"
TARGET[$__lockFile]="$TARGET_SYNC_DIR$OSYNC_DIR/$lockFilename"
TARGET[$__stateDir]="$OSYNC_DIR/$stateDir"
TARGET[$__backupDir]="$OSYNC_DIR/$backupDir"
TARGET[$__deleteDir]="$OSYNC_DIR/$deleteDir"
TARGET[$__partialDir]="$OSYNC_DIR/$partialDir" # unused
TARGET[$__initiatorLastActionFile]="$TARGET_SYNC_DIR$OSYNC_DIR/$stateDir/initiator-$lastAction-$INSTANCE_ID$drySuffix" # unused
TARGET[$__targetLastActionFile]="$TARGET_SYNC_DIR$OSYNC_DIR/$stateDir/target-$lastAction-$INSTANCE_ID$drySuffix" # unused
TARGET[$__resumeCount]="$TARGET_SYNC_DIR$OSYNC_DIR/$stateDir/$resumeCount-$INSTANCE_ID$drySuffix" # unused
TARGET[$__treeCurrentFile]="-tree-current-$INSTANCE_ID$drySuffix" # unused
TARGET[$__treeAfterFile]="-tree-after-$INSTANCE_ID$drySuffix" # unused
TARGET[$__treeAfterFileNoSuffix]="-tree-after-$INSTANCE_ID" # unused
TARGET[$__deletedListFile]="-deleted-list-$INSTANCE_ID$drySuffix" # unused
TARGET[$__failedDeletedListFile]="-failed-delete-$INSTANCE_ID$drySuffix"
TARGET[$__successDeletedListFile]="-success-delete-$INSTANCE_ID$drySuffix"
PARTIAL_DIR="${INITIATOR[$__partialDir]}"
## Set sync only function arguments for rsync
SYNC_OPTS="-u"
if [ $_LOGGER_VERBOSE == true ] || [ $_SUMMARY == true ]; then
SYNC_OPTS=$SYNC_OPTS" -i"
fi
if [ $STATS == true ]; then
SYNC_OPTS=$SYNC_OPTS" --stats"
fi
## Add Rsync include / exclude patterns
RsyncPatterns
## Conflict options
if [ "$CONFLICT_BACKUP" != "no" ]; then
INITIATOR_BACKUP="--backup --backup-dir=\"${INITIATOR[$__backupDir]}\""
TARGET_BACKUP="--backup --backup-dir=\"${TARGET[$__backupDir]}\""
if [ "$CONFLICT_BACKUP_MULTIPLE" == "yes" ]; then
INITIATOR_BACKUP="$INITIATOR_BACKUP --suffix .$(date +%Y.%m.%d-%H.%M.%S)"
TARGET_BACKUP="$TARGET_BACKUP --suffix .$(date +%Y.%m.%d-%H.%M.%S)"
fi
else
INITIATOR_BACKUP=""
TARGET_BACKUP=""
fi
SYNC_ACTION=(
'replica-tree'
'deleted-list'
'sync_attrs'
'update-replica'
'delete-propagation'
'replica-tree-after'
'synced'
)
}
function Main {
CreateStateDirs
CheckLocks
Sync
}
function Usage {
if [ "$IS_STABLE" != "yes" ]; then
echo -e "\e[93mThis is an unstable dev build. Please use with caution.\e[0m"
fi
echo "$PROGRAM $PROGRAM_VERSION $PROGRAM_BUILD"
echo "$AUTHOR"
echo "$CONTACT"
echo ""
echo "You may use osync with a full blown configuration file, or use its default options for quick command line sync."
echo "Usage: osync.sh /path/to/config/file [OPTIONS]"
echo "or osync.sh --initiator=/path/to/initiator/replica --target=/path/to/target/replica [OPTIONS] [QUICKSYNC OPTIONS]"
echo "or osync.sh --initiator=/path/to/initiator/replica --target=ssh://[backupuser]@remotehost.com[:portnumber]//path/to/target/replica [OPTIONS] [QUICKSYNC OPTIONS]"
echo ""
echo "[OPTIONS]"
echo "--dry Will run osync without actually doing anything; just testing"
echo "--no-prefix Will suppress time / date suffix from output"
echo "--silent Will run osync without any output to stdout, used for cron jobs"
echo "--errors-only Output only errors (can be combined with silent or verbose)"
echo "--summary Outputs a list of transferred / deleted files at the end of the run"
echo "--verbose Increases output"
echo "--stats Adds rsync transfer statistics to verbose output"
echo "--partial Allows rsync to keep partial downloads that can be resumed later (experimental)"
echo "--no-maxtime Disables any soft and hard execution time checks"
echo "--force-unlock Will override any existing active or dead locks on initiator and target replica"
echo "--on-changes Will launch a sync task after a short wait period if there is some file activity on initiator replica. You should try daemon mode instead"
echo ""
echo "[QUICKSYNC OPTIONS]"
echo "--initiator=\"\" Master replica path. Will contain state and backup directory (is mandatory)"
echo "--target=\"\" Local or remote target replica path. Can be a ssh uri like ssh://user@host.com:22//path/to/target/replica (is mandatory)"
echo "--rsakey=\"\" Alternative path to rsa private key for ssh connection to target replica"
echo "--password-file=\"\" If no rsa private key is used for ssh authentication, a password file can be used"
echo "--instance-id=\"\" Optional sync task name to identify this synchronization task when using multiple targets"
echo "--skip-deletion=\"\" You may skip deletion propagation on initiator or target. Valid values: initiator target initiator,target"
echo ""
echo "Additionaly, you may set most osync options at runtime. eg:"
echo "SOFT_DELETE_DAYS=365 osync.sh --initiator=/path --target=/other/path"
echo ""
exit 128
}
function SyncOnChanges {
local cmd
local retval
local sleepTime
if [ "$LOCAL_OS" == "MacOSX" ]; then
if ! type fswatch > /dev/null 2>&1 ; then
Logger "No inotifywait command found. Cannot monitor changes." "CRITICAL"
exit 1
fi
else
if ! type inotifywait > /dev/null 2>&1 ; then
Logger "No inotifywait command found. Cannot monitor changes." "CRITICAL"
exit 1
fi
fi
Logger "#### Running osync in file monitor mode." "NOTICE"
while true; do
if [ "$ConfigFile" != "" ]; then
cmd='bash '$osync_cmd' "'$ConfigFile'" '$opts
else
cmd='bash '$osync_cmd' '$opts
fi
Logger "daemon cmd: $cmd" "DEBUG"
eval "$cmd"
retval=$?
if [ $retval != 0 ] && [ $retval != 2 ]; then
Logger "osync child exited with error." "ERROR"
fi
Logger "#### Monitoring now." "NOTICE"
if [ "$LOCAL_OS" == "MacOSX" ]; then
fswatch --exclude $OSYNC_DIR $RSYNC_PATTERNS $RSYNC_PARTIAL_EXCLUDE -1 "$INITIATOR_SYNC_DIR" > /dev/null &
# Mac fswatch doesn't have timeout switch, replacing wait $! with WaitForTaskCompletion without warning nor spinner and increased SLEEP_TIME to avoid cpu hogging. This sims wait $! with timeout
WaitForTaskCompletion $! 0 $MAX_WAIT 1 0 true false true ${FUNCNAME[0]}
else
inotifywait --exclude $OSYNC_DIR $RSYNC_PATTERNS $RSYNC_PARTIAL_EXCLUDE -qq -r -e create -e modify -e delete -e move -e attrib --timeout "$MAX_WAIT" "$INITIATOR_SYNC_DIR" &
wait $!
fi
retval=$?
if [ $retval == 0 ]; then
Logger "#### Changes detected, waiting $MIN_WAIT seconds before running next sync." "NOTICE"
sleep $MIN_WAIT
elif [ $retval == 2 ]; then
Logger "#### $MAX_WAIT timeout reached, running sync." "NOTICE"
else
Logger "#### inotify error detected, waiting $MIN_WAIT seconds before running next sync." "ERROR"
sleep $MIN_WAIT
fi
done
}
# quicksync mode settings, overriden by config file
STATS=false
PARTIAL=no
if [ "$CONFLICT_PREVALANCE" == "" ]; then
CONFLICT_PREVALANCE=initiator
fi
INITIATOR_LOCK_FILE_EXISTS=false
TARGET_LOCK_FILE_EXISTS=false
FORCE_UNLOCK=false
no_maxtime=false
opts=""
ERROR_ALERT=false
WARN_ALERT=false
# Number of CTRL+C
SOFT_STOP=0
# Number of given replicas in command line
_QUICK_SYNC=0
sync_on_changes=false
_NOLOCKS=false
osync_cmd=$0
_SUMMARY=false
if [ $# -eq 0 ]
then
Usage
fi
first=1
for i in "$@"; do
case $i in
--dry)
_DRYRUN=true
opts=$opts" --dry"
;;
--silent)
_LOGGER_SILENT=true
opts=$opts" --silent"
;;
--verbose)
_LOGGER_VERBOSE=true
opts=$opts" --verbose"
;;
--stats)
STATS=true
opts=$opts" --stats"
;;
--partial)
PARTIAL="yes"
opts=$opts" --partial"
;;
--force-unlock)
FORCE_UNLOCK=true
opts=$opts" --force-unlock"
;;
--no-maxtime)
no_maxtime=true
opts=$opts" --no-maxtime"
;;
--help|-h|--version|-v)
Usage
;;
--initiator=*)
_QUICK_SYNC=$(($_QUICK_SYNC + 1))
INITIATOR_SYNC_DIR=${i##*=}
opts=$opts" --initiator=\"$INITIATOR_SYNC_DIR\""
no_maxtime=true
;;
--target=*)
_QUICK_SYNC=$(($_QUICK_SYNC + 1))
TARGET_SYNC_DIR=${i##*=}
opts=$opts" --target=\"$TARGET_SYNC_DIR\""
no_maxtime=true
;;
--rsakey=*)
SSH_RSA_PRIVATE_KEY=${i##*=}
opts=$opts" --rsakey=\"$SSH_RSA_PRIVATE_KEY\""
;;
--password-file=*)
SSH_PASSWORD_FILE=${i##*=}
opts=$opts" --password-file\"$SSH_PASSWORD_FILE\""
;;
--instance-id=*)
INSTANCE_ID=${i##*=}
opts=$opts" --instance-id=\"$INSTANCE_ID\""
;;
--skip-deletion=*)
opts=$opts" --skip-deletion=\"${i##*=}\""
SKIP_DELETION=${##*=}
;;
--on-changes)
sync_on_changes=true
_NOLOCKS=true
_LOGGER_PREFIX="date"
;;
--no-locks)
_NOLOCKS=true
;;
--errors-only)
_LOGGER_ERR_ONLY=true
;;
--summary)
_SUMMARY=true
;;
--no-prefix)
_LOGGER_PREFIX=""
;;
*)
if [ $first == "0" ]; then
Logger "Unknown option '$i'" "CRITICAL"
Usage
fi
;;
esac
first=0
done
# Remove leading space if there is one
opts="${opts# *}"
## Here we set default options for quicksync tasks when no configuration file is provided.
if [ $_QUICK_SYNC -eq 2 ]; then
if [ "$INSTANCE_ID" == "" ]; then
INSTANCE_ID="quicksync_task"
fi
# Let the possibility to initialize those values directly via command line like SOFT_DELETE_DAYS=60 ./osync.sh
if [ "$MINIMUM_SPACE" == "" ]; then
MINIMUM_SPACE=1024
fi
if [ "$CONFLICT_BACKUP_DAYS" == "" ]; then
CONFLICT_BACKUP_DAYS=30
fi
if [ "$SOFT_DELETE_DAYS" == "" ]; then
SOFT_DELETE_DAYS=30
fi
if [ "$RESUME_TRY" == "" ]; then
RESUME_TRY=1
fi
if [ "$SOFT_MAX_EXEC_TIME" == "" ]; then
SOFT_MAX_EXEC_TIME=0
fi
if [ "$HARD_MAX_EXEC_TIME" == "" ]; then
HARD_MAX_EXEC_TIME=0
fi
if [ "$PATH_SEPARATOR_CHAR" == "" ]; then
PATH_SEPARATOR_CHAR=";"
fi
MIN_WAIT=30
else
ConfigFile="${1}"
LoadConfigFile "$ConfigFile"
fi
if [ "$LOGFILE" == "" ]; then
if [ -w /var/log ]; then
LOG_FILE="/var/log/$PROGRAM.$INSTANCE_ID.log"
elif ([ "$HOME" != "" ] && [ -w "$HOME" ]); then
LOG_FILE="$HOME/$PROGRAM.$INSTANCE_ID.log"
else
LOG_FILE="./$PROGRAM.$INSTANCE_ID.log"
fi
else
LOG_FILE="$LOGFILE"
fi
if [ ! -w "$(dirname $LOG_FILE)" ]; then
echo "Cannot write to log [$(dirname $LOG_FILE)]."
else
Logger "Script begin, logging to [$LOG_FILE]." "DEBUG"
fi
if [ "$IS_STABLE" != "yes" ]; then
Logger "This is an unstable dev build [$PROGRAM_BUILD]. Please use with caution." "WARN"
fi
GetLocalOS
InitLocalOSSettings
PreInit
Init
CheckEnvironment
PostInit
if [ $_QUICK_SYNC -lt 2 ]; then
CheckCurrentConfig
fi
CheckCurrentConfigAll
DATE=$(date)
Logger "-------------------------------------------------------------" "NOTICE"
Logger "$DRY_WARNING$DATE - $PROGRAM $PROGRAM_VERSION script begin." "ALWAYS"
Logger "-------------------------------------------------------------" "NOTICE"
Logger "Sync task [$INSTANCE_ID] launched as $LOCAL_USER@$LOCAL_HOST (PID $SCRIPT_PID)" "NOTICE"
if [ $sync_on_changes == true ]; then
SyncOnChanges
else
GetRemoteOS
InitRemoteOSSettings
InitRsyncSettings
if [ $no_maxtime == true ]; then
SOFT_MAX_EXEC_TIME=0
HARD_MAX_EXEC_TIME=0
fi
CheckReplicaPaths
CheckDiskSpace
RunBeforeHook
Main
if [ $? == 0 ]; then
SoftDelete
fi
if [ $_SUMMARY == true ]; then
Summary
fi
fi