server: enable KVM volume and VM snapshot by default (#11446)

Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>
This commit is contained in:
Rohit Yadav 2025-10-13 13:23:11 +05:30 committed by GitHub
parent 162c45f8fa
commit 1e23d6bc20
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5 changed files with 9 additions and 7 deletions

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@ -2305,7 +2305,7 @@ CREATE TABLE `cloud_usage`.`usage_vmsnapshot` (
) ENGINE=InnoDB CHARSET=utf8;
INSERT IGNORE INTO `cloud`.`configuration` VALUES ('Advanced', 'DEFAULT', 'management-server', 'healthcheck.update.interval', '600', 'Time Interval to fetch the LB health check states (in sec)');
INSERT IGNORE INTO `cloud`.`configuration` VALUES ('Snapshots', 'DEFAULT', 'SnapshotManager', 'kvm.snapshot.enabled', 'false', 'whether snapshot is enabled for KVM hosts');
INSERT IGNORE INTO `cloud`.`configuration` VALUES ('Snapshots', 'DEFAULT', 'SnapshotManager', 'kvm.snapshot.enabled', 'true', 'whether snapshot is enabled for KVM hosts');
INSERT IGNORE INTO `cloud`.`configuration` VALUES ('Advanced', 'DEFAULT', 'management-server', 'eip.use.multiple.netscalers', 'false', 'Should be set to true, if there will be multiple NetScaler devices providing EIP service in a zone');
INSERT IGNORE INTO `cloud`.`configuration` VALUES ('Snapshots', 'DEFAULT', 'SnapshotManager', 'snapshot.backup.rightafter', 'true', 'backup snapshot right after snapshot is taken');

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@ -405,7 +405,6 @@ public enum Config {
"300",
"The time interval in seconds when the management server polls for snapshots to be scheduled.",
null),
KVMSnapshotEnabled("Hidden", SnapshotManager.class, Boolean.class, "kvm.snapshot.enabled", "false", "Whether volume snapshot is enabled on running instances on a KVM host", null),
// Advanced
EventPurgeInterval(

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@ -789,6 +789,7 @@ import com.cloud.storage.GuestOSHypervisorVO;
import com.cloud.storage.GuestOSVO;
import com.cloud.storage.GuestOsCategory;
import com.cloud.storage.ScopeType;
import com.cloud.storage.snapshot.SnapshotManager;
import com.cloud.storage.Storage;
import com.cloud.storage.StorageManager;
import com.cloud.storage.StoragePool;
@ -4667,7 +4668,6 @@ public class ManagementServerImpl extends ManagerBase implements ManagementServe
final boolean isCallerAdmin = _accountService.isAdmin(caller.getId());
boolean securityGroupsEnabled = false;
boolean elasticLoadBalancerEnabled;
boolean KVMSnapshotEnabled;
String supportELB = "false";
final List<NetworkVO> networks = networkDao.listSecurityGroupEnabledNetworks();
if (networks != null && !networks.isEmpty()) {
@ -4684,7 +4684,7 @@ public class ManagementServerImpl extends ManagerBase implements ManagementServe
final long diskOffMinSize = VolumeOrchestrationService.CustomDiskOfferingMinSize.value();
final long diskOffMaxSize = VolumeOrchestrationService.CustomDiskOfferingMaxSize.value();
KVMSnapshotEnabled = Boolean.parseBoolean(_configDao.getValue("KVM.snapshot.enabled"));
final boolean KVMSnapshotEnabled = SnapshotManager.KVMSnapshotEnabled.value();
final boolean userPublicTemplateEnabled = TemplateManager.AllowPublicUserTemplates.valueIn(caller.getId());

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@ -53,7 +53,10 @@ public interface SnapshotManager extends Configurable {
public static final ConfigKey<Integer> BackupRetryInterval = new ConfigKey<Integer>(Integer.class, "backup.retry.interval", "Advanced", "300",
"Time in seconds between retries in backing up snapshot to secondary", false, ConfigKey.Scope.Global, null);
public static final ConfigKey<Boolean> VmStorageSnapshotKvm = new ConfigKey<>(Boolean.class, "kvm.vmstoragesnapshot.enabled", "Snapshots", "false", "For live snapshot of virtual machine instance on KVM hypervisor without memory. Requires qemu version 1.6+ (on NFS or Local file system) and qemu-guest-agent installed on guest VM", true, ConfigKey.Scope.Global, null);
public static final ConfigKey<Boolean> VmStorageSnapshotKvm = new ConfigKey<>(Boolean.class, "kvm.vmstoragesnapshot.enabled", "Snapshots", "true", "For live snapshot of virtual machine instance on KVM hypervisor without memory. Requires qemu version 1.6+ (on NFS or Local file system) and qemu-guest-agent installed on guest VM", true, ConfigKey.Scope.Global, null);
ConfigKey<Boolean> KVMSnapshotEnabled = new ConfigKey<>(Boolean.class, "kvm.snapshot.enabled", "Snapshots", "true", "Whether volume snapshot is enabled on running instances " +
"on a KVM hosts", false, ConfigKey.Scope.Global, null);
ConfigKey<Boolean> kvmIncrementalSnapshot = new ConfigKey<>(Boolean.class, "kvm.incremental.snapshot", "Snapshots", "false", "Whether differential snapshots are enabled for" +
" KVM or not. When this is enabled, all KVM snapshots will be incremental. Bear in mind that it will generate a new full snapshot when the snapshot chain reaches the limit defined in snapshot.delta.max.", true, ConfigKey.Scope.Cluster, null);

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@ -298,7 +298,7 @@ public class SnapshotManagerImpl extends MutualExclusiveIdsManagerBase implement
@Override
public ConfigKey<?>[] getConfigKeys() {
return new ConfigKey<?>[] {BackupRetryAttempts, BackupRetryInterval, SnapshotHourlyMax, SnapshotDailyMax, SnapshotMonthlyMax, SnapshotWeeklyMax, usageSnapshotSelection,
SnapshotInfo.BackupSnapshotAfterTakingSnapshot, VmStorageSnapshotKvm, kvmIncrementalSnapshot, snapshotDeltaMax, snapshotShowChainSize, UseStorageReplication};
SnapshotInfo.BackupSnapshotAfterTakingSnapshot, VmStorageSnapshotKvm, kvmIncrementalSnapshot, snapshotDeltaMax, snapshotShowChainSize, UseStorageReplication, KVMSnapshotEnabled};
}
@Override
@ -1537,7 +1537,7 @@ public class SnapshotManagerImpl extends MutualExclusiveIdsManagerBase implement
if (vmId != null) {
VMInstanceVO vm = _vmDao.findById(vmId);
if (vm.getState() != VirtualMachine.State.Stopped && vm.getState() != VirtualMachine.State.Destroyed) {
boolean snapshotEnabled = Boolean.parseBoolean(_configDao.getValue("kvm.snapshot.enabled"));
boolean snapshotEnabled = KVMSnapshotEnabled.value();
if (!snapshotEnabled && !isFromVmSnapshot) {
logger.debug("Snapshot is not supported on host " + host + " for the volume " + volume + " attached to the vm " + vm);
return false;