84 lines
2.2 KiB
Perl
84 lines
2.2 KiB
Perl
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#!/usr/bin/perl -w
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# hook script to copy a dump as a new LXC template (with --script option)
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# Template directory
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my $TEMPLATE_DIR = "/var/lib/vz/template/cache";
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# Template file name
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my $TEMPLATE_FILE_LINK = "debian.stretch.template.tar.gz";
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# Number of template to keep available
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my $RETENTION_TIME = "2";
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use strict;
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print "HOOK: " . join (' ', @ARGV) . "\n";
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my $phase = shift;
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if ($phase eq 'job-start' ||
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$phase eq 'job-end' ||
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$phase eq 'job-abort') {
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my $dumpdir = $ENV{DUMPDIR};
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my $storeid = $ENV{STOREID};
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print "HOOK-ENV: dumpdir=$dumpdir;storeid=$storeid\n";
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# do what you want
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} elsif ($phase eq 'backup-start' ||
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$phase eq 'backup-end' ||
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$phase eq 'backup-abort' ||
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$phase eq 'log-end' ||
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$phase eq 'pre-stop' ||
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$phase eq 'pre-restart' ||
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$phase eq 'post-restart') {
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my $mode = shift; # stop/suspend/snapshot
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my $vmid = shift;
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my $vmtype = $ENV{VMTYPE}; # openvz/qemu
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my $dumpdir = $ENV{DUMPDIR};
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my $storeid = $ENV{STOREID};
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my $hostname = $ENV{HOSTNAME};
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# tarfile is only available in phase 'backup-end'
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my $tarfile = $ENV{TARFILE};
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# logfile is only available in phase 'log-end'
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my $logfile = $ENV{LOGFILE};
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print "HOOK-ENV: vmtype=$vmtype;vmid=$vmid;dumpdir=$dumpdir;storeid=$storeid;hostname=$hostname;tarfile=$tarfile;logfile=$logfile\n";
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# copy resulting backup file as a template
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if ($phase eq 'backup-end') {
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# Copy the dump as a LXC template
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system ("cp -- $tarfile $TEMPLATE_DIR") == 0 ||
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die "copy tar file as a template failed";
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# Unlink (eg hostname=debian.stretch.template.tar.gz)
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system ("unlink $TEMPLATE_DIR/$TEMPLATE_FILE_LINK");
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# no die cause if the previous backup exit on tarfile copy, the link might not exist
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# Link last template file to a better name
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system ("find $TEMPLATE_DIR -iname 'vzdump-lxc-$vmid*.tar.*' -mmin -60 -exec ln -s {} $TEMPLATE_DIR/$TEMPLATE_FILE_LINK \\;") == 0 ||
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die "link template to a better name failed";
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# Ensure to remove template older than $RETENTION_TIME
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system ("find $TEMPLATE_DIR -iname 'vzdump-lxc-$vmid*.tar.*' -mtime +$RETENTION_TIME -delete ") == 0 ||
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die "remove oldest template failed";
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}
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} else {
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die "got unknown phase '$phase'";
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}
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exit (0);
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