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migration: check for mapped resources

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they can only be migrated to nodes where there exists a mapping and if
the migration is done offline

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
Tested-By:  Markus Frank <m.frank@proxmox.com>
This commit is contained in:
Dominik Csapak 2023-06-16 15:05:26 +02:00 committed by Thomas Lamprecht
parent bc1a58607c
commit 92cd9b1840
1 changed files with 20 additions and 3 deletions
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23
PVE/QemuMigrate.pm
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@ -226,15 +226,32 @@ sub prepare {
$self->{vm_was_paused} = 1 if PVE::QemuServer::vm_is_paused($vmid);
}
my $loc_res = PVE::QemuServer::check_local_resources($conf, 1);
if (scalar @$loc_res) {
my ($loc_res, $mapped_res, $missing_mappings_by_node) = PVE::QemuServer::check_local_resources($conf, 1);
my $blocking_resources = [];
for my $res ($loc_res->@*) {
if (!grep($res, $mapped_res->@*)) {
push $blocking_resources->@*, $res;
}
}
if (scalar($blocking_resources->@*)) {
if ($self->{running} || !$self->{opts}->{force}) {
die "can't migrate VM which uses local devices: " . join(", ", @$loc_res) . "\n";
die "can't migrate VM which uses local devices: " . join(", ", $blocking_resources->@*) . "\n";
} else {
$self->log('info', "migrating VM which uses local devices");
}
}
if (scalar($mapped_res->@*)) {
my $missing_mappings = $missing_mappings_by_node->{$self->{node}};
if ($running) {
die "can't migrate running VM which uses mapped devices: " . join(", ", $mapped_res->@*) . "\n";
} elsif (scalar($missing_mappings->@*)) {
die "can't migrate to '$self->{node}': missing mapped devices " . join(", ", $missing_mappings->@*) . "\n";
} else {
$self->log('info', "migrating VM which uses mapped local devices");
}
}
my $vollist = PVE::QemuServer::get_vm_volumes($conf);
my $storages = {};