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btrbk: fix duplicate snapshot location check 

If snapshot_create=no, no snapshot is created and thus should be
excluded from "duplicate snapshot locations" check.
pull/370/head
Axel Burri 2021-01-16 20:42:45 +01:00
parent 8d25852ce2
commit cee6553a49
1 changed files with 13 additions and 10 deletions
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23
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@ -6660,19 +6660,22 @@ MAIN:
# check for duplicate snapshot locations
foreach my $sroot (vinfo_subsection($config, 'volume')) {
foreach my $svol (vinfo_subsection($sroot, 'subvolume')) {
# check for duplicate snapshot locations
my $snaproot = vinfo_snapshot_root($svol);
my $snapshot_basename = config_key($svol, "snapshot_name") // die;
my $snaproot_subdir_path = (defined($snaproot->{NODE_SUBDIR}) ? $snaproot->{NODE_SUBDIR} . '/' : "") . $snapshot_basename;
if(my $prev = $snaproot->{node}->{_SNAPSHOT_CHECK}->{$snaproot_subdir_path}) {
ERROR "Subvolume \"$prev\" and \"$svol->{PRINT}\" will create same snapshot: $snaproot->{PRINT}/${snapshot_basename}.*";
ERROR "Please fix \"snapshot_name\" configuration options!";
exit 1;
}
$snaproot->{node}->{_SNAPSHOT_CHECK}->{$snaproot_subdir_path} = $svol->{PRINT};
# check for duplicate snapshot locations
if(config_key($svol, "snapshot_create")) {
my $snaproot = vinfo_snapshot_root($svol);
my $snaproot_subdir_path = (defined($snaproot->{NODE_SUBDIR}) ? $snaproot->{NODE_SUBDIR} . '/' : "") . $snapshot_basename;
if(my $prev = $snaproot->{node}->{_SNAPSHOT_CHECK}->{$snaproot_subdir_path}) {
ERROR "Subvolume \"$prev\" and \"$svol->{PRINT}\" will create same snapshot: $snaproot->{PRINT}/${snapshot_basename}.*";
ERROR "Please fix \"snapshot_name\" configuration options!";
exit 1;
}
$snaproot->{node}->{_SNAPSHOT_CHECK}->{$snaproot_subdir_path} = $svol->{PRINT};
}
# check for duplicate target locations
foreach my $droot (vinfo_subsection($svol, 'target')) {
# check for duplicate snapshot locations
my $droot_subdir_path = (defined($droot->{NODE_SUBDIR}) ? $droot->{NODE_SUBDIR} . '/' : "") . $snapshot_basename;
if(my $prev = $droot->{node}->{_BACKUP_CHECK}->{$droot_subdir_path}) {
ERROR "Subvolume \"$prev\" and \"$svol->{PRINT}\" will create same backup target: $droot->{PRINT}/${snapshot_basename}.*";