snapshot: implement __snapshot_activate_storages

Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>

PVE/QemuConfig.pm

@@ -241,6 +241,25 @@ sub __snapshot_save_vmstate {
     return $statefile;
 }
 
+sub __snapshot_activate_storages {
+    my ($class, $conf, $include_vmstate) = @_;
+
+    my $storecfg = PVE::Storage::config();
+    my $opts = $include_vmstate ? { 'extra_keys' => ['vmstate'] } : {};
+    my $storage_hash = {};
+
+    $class->foreach_volume_full($conf, $opts, sub {
+	my ($key, $drive) = @_;
+
+	return if PVE::QemuServer::drive_is_cdrom($drive);
+
+	my ($storeid) = PVE::Storage::parse_volume_id($drive->{file});
+	$storage_hash->{$storeid} = 1;
+    });
+
+    PVE::Storage::activate_storage_list($storecfg, [ sort keys $storage_hash->%* ]);
+}
+
 sub __snapshot_check_running {
     my ($class, $vmid) = @_;
     return PVE::QemuServer::Helpers::vm_running_locally($vmid);

test/snapshot-expected/create/qemu-server/303.conf

@@ -0,0 +1,13 @@
+bootdisk: ide0
+cores: 4
+ide0: local:snapshotable-disk-1,discard=on,size=32G
+ide2: none,media=cdrom
+machine: q35
+memory: 8192
+name: win
+net0: e1000=12:34:56:78:90:12,bridge=somebr0,firewall=1
+numa: 0
+ostype: win7
+smbios1: uuid=01234567-890a-bcde-f012-34567890abcd
+sockets: 1
+vga: qxl

test/snapshot-expected/delete/qemu-server/204.conf

@@ -0,0 +1,33 @@
+agent: 1
+bootdisk: ide0
+cores: 4
+ide0: local:snapshotable-disk-1,discard=on,size=32G
+ide2: none,media=cdrom
+memory: 8192
+name: win
+net0: e1000=12:34:56:78:90:12,bridge=somebr0,firewall=1
+numa: 0
+ostype: win7
+parent: test
+smbios1: uuid=01234567-890a-bcde-f012-34567890abcd
+sockets: 1
+vga: qxl
+
+[test]
+#test comment
+agent: 1
+bootdisk: ide0
+cores: 4
+ide0: local:snapshotable-disk-1,discard=on,size=32G
+ide2: none,media=cdrom
+machine: somemachine
+memory: 8192
+name: win
+net0: e1000=12:34:56:78:90:12,bridge=somebr0,firewall=1
+numa: 0
+ostype: win7
+smbios1: uuid=01234567-890a-bcde-f012-34567890abcd
+snaptime: 1234567890
+sockets: 1
+vga: qxl
+vmstate: somestorage:state-volume

test/snapshot-expected/rollback/qemu-server/303.conf

@@ -0,0 +1,34 @@
+agent: 1
+bootdisk: ide0
+cores: 4
+ide0: local:snapshotable-disk-1,discard=on,size=32G
+ide2: none,media=cdrom
+memory: 8192
+name: win
+net0: e1000=12:34:56:78:90:12,bridge=somebr0,firewall=1
+numa: 0
+ostype: win7
+parent: test
+smbios1: uuid=01234567-890a-bcde-f012-34567890abcd
+sockets: 1
+vga: qxl
+
+[test]
+#test comment
+agent: 1
+bootdisk: ide0
+cores: 4
+ide0: local:snapshotable-disk-1,discard=on,size=32G
+ide2: none,media=cdrom
+machine: q35
+memory: 8192
+name: win
+net0: e1000=12:34:56:78:90:12,bridge=somebr0,firewall=1
+numa: 0
+ostype: win7
+runningmachine: somemachine
+smbios1: uuid=01234567-890a-bcde-f012-34567890abcd
+snaptime: 1234567890
+sockets: 1
+vga: qxl
+vmstate: somestorage:state-volume

test/snapshot-input/create/qemu-server/303.conf

@@ -0,0 +1,13 @@
+bootdisk: ide0
+cores: 4
+ide0: local:snapshotable-disk-1,discard=on,size=32G
+ide2: none,media=cdrom
+machine: q35
+memory: 8192
+name: win
+net0: e1000=12:34:56:78:90:12,bridge=somebr0,firewall=1
+numa: 0
+ostype: win7
+smbios1: uuid=01234567-890a-bcde-f012-34567890abcd
+sockets: 1
+vga: qxl

test/snapshot-input/delete/qemu-server/204.conf

@@ -0,0 +1,33 @@
+agent: 1
+bootdisk: ide0
+cores: 4
+ide0: local:snapshotable-disk-1,discard=on,size=32G
+ide2: none,media=cdrom
+memory: 8192
+name: win
+net0: e1000=12:34:56:78:90:12,bridge=somebr0,firewall=1
+numa: 0
+ostype: win7
+parent: test
+smbios1: uuid=01234567-890a-bcde-f012-34567890abcd
+sockets: 1
+vga: qxl
+
+[test]
+#test comment
+agent: 1
+bootdisk: ide0
+cores: 4
+ide0: local:snapshotable-disk-1,discard=on,size=32G
+ide2: none,media=cdrom
+machine: somemachine
+memory: 8192
+name: win
+net0: e1000=12:34:56:78:90:12,bridge=somebr0,firewall=1
+numa: 0
+ostype: win7
+smbios1: uuid=01234567-890a-bcde-f012-34567890abcd
+snaptime: 1234567890
+sockets: 1
+vga: qxl
+vmstate: somestorage:state-volume

test/snapshot-input/rollback/qemu-server/303.conf

@@ -0,0 +1,34 @@
+agent: 1
+bootdisk: ide0
+cores: 4
+ide0: local:snapshotable-disk-1,discard=on,size=32G
+ide2: none,media=cdrom
+memory: 8192
+name: win
+net0: e1000=12:34:56:78:90:12,bridge=somebr0,firewall=1
+numa: 0
+ostype: win7
+parent: test
+smbios1: uuid=01234567-890a-bcde-f012-34567890abcd
+sockets: 1
+vga: qxl
+
+[test]
+#test comment
+agent: 1
+bootdisk: ide0
+cores: 4
+ide0: local:snapshotable-disk-1,discard=on,size=32G
+ide2: none,media=cdrom
+machine: q35
+memory: 8192
+name: win
+net0: e1000=12:34:56:78:90:12,bridge=somebr0,firewall=1
+numa: 0
+ostype: win7
+runningmachine: somemachine
+smbios1: uuid=01234567-890a-bcde-f012-34567890abcd
+snaptime: 1234567890
+sockets: 1
+vga: qxl
+vmstate: somestorage:state-volume

test/snapshot-test.pm

@@ -15,6 +15,7 @@ use PVE::ReplicationConfig;
 use Test::MockModule;
 use Test::More;
 
+my $activate_storage_possible = 1;
 my $nodename;
 my $snapshot_possible;
 my $vol_snapshot_possible = {};
@@ -105,6 +106,15 @@ sub mocked_volume_rollback_is_possible {
     die "volume_rollback_is_possible failed\n";
 }
 
+sub mocked_activate_storage {
+    my ($storecfg, $storeid) = @_;
+    die "Storage config not mocked! aborting\n"
+	if defined($storecfg);
+    die "storage activation failed\n"
+	if !$activate_storage_possible;
+    return;
+}
+
 sub mocked_activate_volumes {
     my ($storecfg, $volumes) = @_;
     die "Storage config not mocked! aborting\n"
@@ -410,6 +420,7 @@ $repl_config_module->mock('check_for_existing_jobs' => sub { return });
 my $storage_module = Test::MockModule->new('PVE::Storage');
 $storage_module->mock('config', sub { return; });
 $storage_module->mock('path', sub { return "/some/store/statefile/path"; });
+$storage_module->mock('activate_storage', \&mocked_activate_storage);
 $storage_module->mock('activate_volumes', \&mocked_activate_volumes);
 $storage_module->mock('deactivate_volumes', \&mocked_deactivate_volumes);
 $storage_module->mock('vdisk_free', \&mocked_vdisk_free);
@@ -555,6 +566,13 @@ $vm_mon->{savevm_start} = 1;
 printf("Successful snapshot_create with no existing snapshots but set machine type\n");
 testcase_create("301", "test", 1, "test comment", "", { "local:snapshotable-disk-1" => "test" });
 
+$activate_storage_possible = 0;
+
+printf("Expected error for snapshot_create when storage activation is not possible\n");
+testcase_create("303", "test", 1, "test comment", "storage activation failed\n\n");
+
+$activate_storage_possible = 1;
+
 $nodename = "delete";
 printf("\n");
 printf("Running delete tests\n");
@@ -587,6 +605,13 @@ testcase_delete("202", "test", 0, "volume snapshot delete disabled\n", { "local:
 printf("Expected error for snapshot_delete with locked config\n");
 testcase_delete("203", "test", 0, "VM is locked (backup)\n");
 
+$activate_storage_possible = 0;
+
+printf("Expected error for snapshot_delete when storage activation is not possible\n");
+testcase_delete("204", "test", 0, "storage activation failed\n");
+
+$activate_storage_possible = 1;
+
 $nodename = "rollback";
 printf("\n");
 printf("Running rollback tests\n");
@@ -643,6 +668,13 @@ testcase_rollback("301", "test", "", { "local:snapshotable-disk-1" => "test" });
 printf("Successful snapshot_rollback with saved vmstate and machine config and runningmachine \n");
 testcase_rollback("302", "test", "", { "local:snapshotable-disk-1" => "test" });
 
+$activate_storage_possible = 0;
+
+printf("Expected error for snapshot_rollback when storage activation is not possible\n");
+testcase_rollback("303", "test", "storage activation failed\n");
+
+$activate_storage_possible = 1;
+
 done_testing();
 
 1;