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ocf agent: retry get_vmlist if we get an empty list

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Make HA more stable if pmxcfs is not reachable for a short period (for example
if you restart the service). Some users reported they get empty VM list
when there is very high load on a server.
This commit is contained in:
Dietmar Maurer 2014-01-07 10:41:04 +01:00
parent 946662f65b
commit e908a57f07
1 changed files with 13 additions and 1 deletions
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14
bin/ocf/pvevm
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@ -115,8 +115,20 @@ sub validate_all {
die "no VMID specified\n" if !defined($vmid);
die "got invalid VMID '$vmid'\n" if $vmid !~ m/^[1-9]\d*$/;
my $vmlist = PVE::Cluster::get_vmlist();
my $vmlist;
for (my $i = 0; $i < 10; $i++) {
$vmlist = PVE::Cluster::get_vmlist();
if (!$vmlist || !$vmlist->{ids}) {
warn "got empty cluster VM list - try again in 2 seconds\n";
sleep(2);
PVE::Cluster::cfs_update();
} else {
last;
}
}
die "got empty cluster VM list\n" if !$vmlist || !$vmlist->{ids};
my $data = $vmlist->{ids}->{$vmid};
die "VM $vmid does not exist\n" if !$data;