class wmdeit_backup::borg (
	$repos = $borg_repos,
	$scripts = $borg_scripts
)

inherits wmdeit_backup::params
{
	class {"wmdeit_backup::setup":
	
	}->
	package {$borg_packages:
		ensure => installed
	} 
	file {$scripts:
		ensure => directory
	}
	
}


define wmdeit_backup::borg_backup
(
	$server = $title,
	$dirs = [],
	$encryption = "repokey",
	$passphrase = "`/bin/cat /root/borg_passphrase.txt`",  
	$ssh_user = 'root',
	$ssh_port = '22',
	$ssh_check_hostkey = 'no',
	$borg_options = $wmdeit_backup::borg::borg_options,

	$weekday = undef,
	$hour =   '0',
	$minute = '0',

	$retain_daily = '30',
	$retain_monthly = '6',
	$retain_yearly = '0',

	$retry_count = 3,
	$statistics = true,
	
	
) {
	$scripts = $wmdeit_backup::borg::scripts
	$repos = $wmdeit_backup::borg::repos

	$borg_cmd = $wmdeit_backup::borg::borg_cmd
	$sshfs_options = $wmdeit_backup::borg::sshfs_options
	

	$repo = "$repos/$title"


	if $statistics {
		$time_cmd = '/usr/bin/time'
		$borg_statistics = '-s'
	}

	exec {"borg_init_$title":
		command => "/bin/sh -c 'export BORG_PASSPHRASE=$passphrase && $borg_cmd init -e $encryption $repo'",
		unless => "/bin/sh -c 'export BORG_PASSPHRASE=$passphrase && $borg_cmd list -e $encryption $repo'",
#		creates => $repo  
	}
	
	$p = $dirs.map | $str | { ".$str" }
	$backup_dirs  = join($p," ")
	$mnt = "$wmdeit_backup::borg::borg_mnt/$title"
	$script_name = "$scripts/$title.sh"

	file {$mnt:
		ensure => directory
	}->
	file {$script_name:
		ensure => file,
		content => "#!/bin/sh
export BORG_PASSPHRASE=$passphrase
D=`date +%F`
$wmdeit_backup::borg::sshfs_cmd $sshfs_options -oStrictHostKeyChecking=$ssh_check_hostkey -oPort=$ssh_port $ssh_user@$server:/ $mnt
cd $mnt
CMD=\"$borg_cmd create $borg_statistics --checkpoint-interval 600 $borg_options ${repo}::$title-\${D} $backup_dirs\"
n=0
until [ \"\$n\" -ge $retry_count ]
do 
  \$CMD && break
  n=\$((n+1)) 
  sleep 1
done

cd /
umount $mnt
PRUNECMD=\"$borg_cmd prune -d $retain_daily -m $retain_monthly -y $retain_yearly ${repo}\"
\$PRUNECMD

"
		

	}->
	cron {"borg-$title":
		weekday => $weekday,
		hour => $hour,
		minute => $minute,
		command => "$time_cmd /bin/sh $script_name"
	}



}