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From: Fabian Ebner <f.ebner@proxmox.com>
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Date: Wed, 27 Apr 2022 17:41:10 +0200
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Subject: [pve-devel] [PATCH v4 manager 1/7] partially close #438: vzdump:
support setting notes-template
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Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>
---
Changes from v3:
* also escape \\ and \n
PVE/VZDump.pm | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/PVE/VZDump.pm b/PVE/VZDump.pm
index de29ca60..5f78746d 100644
--- a/PVE/VZDump.pm
+++ b/PVE/VZDump.pm
@@ -70,6 +70,29 @@ sub run_command {
PVE::Tools::run_command($cmdstr, %param, logfunc => $logfunc);
}
+my $generate_notes = sub {
+ my ($notes_template, $task) = @_;
+
+ my $info = {
+ cluster => PVE::Cluster::get_clinfo()->{cluster}->{name},
+ guestname => $task->{hostname},
+ node => PVE::INotify::nodename(),
+ vmid => $task->{vmid},
+ };
+
+ my $unescape = {
+ '\\\\' => '\\', # replace \\ by \
+ '\n' => "\n", # turn literal \n into real newline
+ };
+
+ $notes_template =~ s/(\Q\\\E|\Q\n\E)/$unescape->{$1}/g;
+
+ my $vars = join('|', keys $info->%*);
+ $notes_template =~ s/\{\{($vars)\}\}/\Q$info->{$1}\E/g;
+
+ return $notes_template;
+};
+
my $parse_prune_backups_maxfiles = sub {
my ($param, $kind) = @_;
@@ -1017,6 +1040,13 @@ sub exec_backup_task {
my $volname = $opts->{pbs} ? $task->{target} : basename($task->{target});
my $volid = "${storeid}:backup/${volname}";
+ if ($opts->{'notes-template'} && $opts->{'notes-template'} ne '') {
+ debugmsg('info', "adding notes to backup", $logfd);
+ my $notes = $generate_notes->($opts->{'notes-template'}, $task);
+ eval { PVE::Storage::update_volume_attribute($cfg, $volid, 'notes', $notes) };
+ debugmsg('warn', "unable to add notes - $@", $logfd) if $@;
+ }
+
if ($opts->{protected}) {
debugmsg('info', "marking backup as protected", $logfd);
eval { PVE::Storage::update_volume_attribute($cfg, $volid, 'protected', 1) };
--
2.30.2