public async Task ProcessStartClusterConfigurationUpgradeAsync(ConfigurationUpgradeDescription configUpgradeDesc, TimeSpan timeout, CancellationToken cancellationToken)
{
/* The cancellation token passed in this API call is not used (by design). This token corresponds to the client side call.
* The global this.cancellationToken is initialised in RunAsync() and is honored in every API call. */
UpgradeOrchestrationTrace.TraceSource.WriteInfo(TraceType, "Entering ProcessStartUpgradeAsync.");
try
{
UpgradeOrchestrationTrace.TraceSource.WriteInfo(TraceType, "Deserializing input json config string.");
StandAloneInstallerJsonModelBase targetJsonConfig = StandAloneInstallerJsonModelBase.GetJsonConfigFromString(configUpgradeDesc.ClusterConfiguration);
if (targetJsonConfig == null)
{
throw new ArgumentException("The input cluster configuration is not in a valid json format or supported apiVersion.");
}
UpgradeOrchestrationTrace.TraceSource.WriteInfo(TraceType, "Retrieve current cluster resource from StoreManager.");
StandAloneCluster cluster = await this.storeManager.GetClusterResourceAsync(
Constants.ClusterReliableDictionaryKey, this.cancellationToken).ConfigureAwait(false);
bool isInDataLossState = await DatalossHelper.IsInDatalossStateAsync(this.cancellationToken).ConfigureAwait(false);
if (!isInDataLossState)
{
if (cluster == null || cluster.Current == null)
{
UpgradeOrchestrationTrace.TraceSource.WriteWarning(TraceType, "Persisted cluster resource is not ready: {0}", cluster == null ? "null" : "current = null");
throw new FabricException("UpgradeOrchestrationService is not ready.");
}
UpgradeOrchestrationTrace.TraceSource.WriteInfo(TraceType, "Setting target config and topology based on new input json config.");
if (cluster.Pending != null && !this.IsInterruptibleAsync(cluster.Pending).Result)
{
throw new FabricException(string.Format("Cluster configuration upgrade of type {0} is already in progress and cannot be interrupted.", cluster.Pending.GetType().Name));
}
StandaloneSettingsValidator validator = new StandaloneSettingsValidator(targetJsonConfig);
await UpgradeOrchestrationMessageProcessor.ValidateModel(targetJsonConfig, validator, cluster, true).ConfigureAwait(false);
var removedNodes = validator.GetRemovedNodes(cluster.Topology);
var addedNodes = validator.GetAddedNodes(cluster.Topology);
if (addedNodes.Any() && StandaloneUtility.CheckFabricRunningAsGMSA(cluster.Current.CSMConfig))
{
/* Need to resolve assembly so that FabricDeployer can load the right binaries from FabricCodePath since not all binaries required by FabricDeployer are present in UOS.Current folder.*/
AppDomain.CurrentDomain.AssemblyResolve += new ResolveEventHandler(this.LoadFromFabricCodePath);
try
{
await this.PerformAddNodeOperationGMSAAsync(addedNodes, this.fabricClient, validator.ClusterProperties.NodeTypes).ConfigureAwait(false);
}
catch (AggregateException ex)
{
UpgradeOrchestrationTrace.TraceSource.WriteError(TraceType, "Adding nodes for GMSA scenario failed with exception: {0}", ex);
throw;
}
finally
{
AppDomain.CurrentDomain.AssemblyResolve -= new ResolveEventHandler(this.LoadFromFabricCodePath);
}
}
if (addedNodes.Any())
{
cluster.TargetNodeConfig = GetTargetNodeConfigAddNode(validator.Topology, cluster.Current.NodeConfig.Version);
}
if (removedNodes.Any())
{
cluster.TargetNodeConfig = GetTargetNodeConfigRemoveNode(cluster.Topology, removedNodes, cluster.Current.NodeConfig.Version);
}
else
{
cluster.Topology = validator.Topology;
}
cluster.TargetCsmConfig = validator.ClusterProperties;
// Cluster is updated above so persist it.
await this.storeManager.PersistClusterResourceAsync(Constants.ClusterReliableDictionaryKey, cluster, cancellationToken).ConfigureAwait(false);
await this.UpdatePersistedCodeUpgradePackage(validator).ConfigureAwait(false);
UpgradeOrchestrationTrace.TraceSource.WriteInfo(TraceType, "Invoking Orchestrator");
await this.orchestrator.StartUpgradeAsync(cluster, this.cancellationToken, configUpgradeDesc).ContinueWith(t =>
{
if (t.Exception != null)
{
UpgradeOrchestrationTrace.TraceSource.WriteWarning(TraceType, "Orchestrator completed with status: {0} exception: {1}", t.Status, t.Exception);
}
else
{
UpgradeOrchestrationTrace.TraceSource.WriteInfo(TraceType, "Orchestrator completed with status: {0}", t.Status);
}
});
}
else
{
StandaloneSettingsValidator validator = new StandaloneSettingsValidator(targetJsonConfig);
await UpgradeOrchestrationMessageProcessor.ValidateModel(targetJsonConfig, validator, cluster, false).ConfigureAwait(false);
cluster = FabricUpgradeOrchestrationService.ConstructClusterFromJson(targetJsonConfig, FabricNativeConfigStore.FabricGetConfigStore());
DatalossHelper.DryRunConfigUpgrade(cluster);
await this.storeManager.PersistClusterResourceAsync(Constants.ClusterReliableDictionaryKey, cluster, this.cancellationToken);
await DatalossHelper.UpdateHeathStateAsync(isHealthy : true).ConfigureAwait(false);
}
}
catch (Exception e)
{
UpgradeOrchestrationTrace.TraceSource.WriteWarning(TraceType, "ProcessStartUpgradeAsync exception: {0}", e);
throw UpgradeOrchestrationMessageProcessor.ConvertToComException(e);
}
UpgradeOrchestrationTrace.TraceSource.WriteInfo(TraceType, "Exiting ProcessStartUpgradeAsync.");
}
protected override async Task RunAsync(CancellationToken cancellationToken)
{
UpgradeOrchestrationTrace.TraceSource.WriteInfo(TraceType, "Enter RunAsync");
try
{
var configStore = FabricNativeConfigStore.FabricGetConfigStore();
StandAloneFabricSettingsActivator.InitializeConfigStore(configStore);
UpgradeOrchestrationTrace.TraceSource.WriteInfo(TraceType, "After InitializeAsync");
UpgradeOrchestrationTrace.TraceSource.WriteInfo(TraceType, "Getting cluster resource from store manager.");
StandAloneCluster cluster = await this.storeManager.GetClusterResourceAsync(Constants.ClusterReliableDictionaryKey, cancellationToken).ConfigureAwait(false);
bool isInDatalossState = await DatalossHelper.IsInDatalossStateAsync(cancellationToken).ConfigureAwait(false);
if (!isInDatalossState)
{
bool isBaselineUpgrade = false;
if (cluster == null)
{
// Cluster resource does not exist, e.g. first time baseline upgrade.
UpgradeOrchestrationTrace.TraceSource.WriteInfo(TraceType, "Cluster resource does not exist in store manager. Initiating new clsuter resource.");
cluster = FabricUpgradeOrchestrationService.InitClusterResource(configStore);
ReleaseAssert.AssertIf(cluster == null, "Cluster Resource cannot be initialized.");
isBaselineUpgrade = true;
await this.CompleteAndPersistBaselineStateAsync(cluster, cancellationToken).ConfigureAwait(false);
}
UpgradeOrchestrationTrace.TraceSource.WriteInfo(TraceType, "Setting a valid cancellation token for UpgradeOrchestrationMessageProcessor");
this.messageProcessor.CancellationToken = cancellationToken;
/* In version 5.7, we added Iron as a new entry to ReliabilityLevel enum. This entry was added as ReliabilityLevel = 1 and hence, it moved all the existing levels one level down.
* For clusters created in <=5.6, when upgraded to 5.7+ the ReliabilityLevel field would be interpreted differently. The below code fixes this issue by reading the
* UOS state and comparing it against the actual cluster state. If there is a mismatch it sets the UOS to the correct ReliabilityLevel.
*/
if (!isBaselineUpgrade &&
cluster.Current != null &&
cluster.Current.CSMConfig != null)
{
UpgradeOrchestrationTrace.TraceSource.WriteInfo(TraceType, "Current ReliabilityLevel set in UOS state {0}", cluster.Current.CSMConfig.ReliabilityLevel);
var actualReliabilityLevelForCluster = await this.GetActualReliabilityLevelForCluster(cancellationToken).ConfigureAwait(false);
UpgradeOrchestrationTrace.TraceSource.WriteInfo(TraceType, "Actual ReliabilityLevel set for the cluster {0}", actualReliabilityLevelForCluster);
if (actualReliabilityLevelForCluster != cluster.Current.CSMConfig.ReliabilityLevel)
{
UpgradeOrchestrationTrace.TraceSource.WriteInfo(TraceType, "UOS ReliabilityLevel is inconsistent with actual reliability level for the cluster.. Setting UOS state to {0}", actualReliabilityLevelForCluster);
cluster.Current.CSMConfig.ReliabilityLevel = actualReliabilityLevelForCluster;
await this.storeManager.PersistClusterResourceAsync(Constants.ClusterReliableDictionaryKey, cluster, cancellationToken).ConfigureAwait(false);
cluster = await this.storeManager.GetClusterResourceAsync(Constants.ClusterReliableDictionaryKey, cancellationToken).ConfigureAwait(false);
UpgradeOrchestrationTrace.TraceSource.WriteInfo(TraceType, "UOS ReliabilityLevel set to {0}", cluster.Current.CSMConfig.ReliabilityLevel);
}
}
/* This is a workaround till actual admin config upgrades are implemented. In 5.7 we changed some properties in ClusterSettings
* but those will not take effect for clusters created with version < 5.7 since no upgrade reads those settings.
* This workaround initiates a WRP config upgrade in the form of SimpleClusterUpgradeState if the settings found are old (after the code upgrade completes to this version). */
string isAdminConfigUpgradeAttempted = await this.storeManager.GetStorageObjectAsync(Constants.AdminConfigUpgradeAttemptedDictionaryKey, cancellationToken).ConfigureAwait(false);
if (!isBaselineUpgrade && string.IsNullOrEmpty(isAdminConfigUpgradeAttempted) && this.IsFirewallRuleDisabled())
{
UpgradeOrchestrationTrace.TraceSource.WriteInfo(TraceType, "Old admin configuration settings detected.. Will initiate admin config upgrade after code upgrade completes..");
bool isCurrentCodeUpgradeCompleted = false;
while (!isCurrentCodeUpgradeCompleted)
{
isCurrentCodeUpgradeCompleted = await this.CheckCodeUpgradeCompletedAsync(cancellationToken).ConfigureAwait(false);
await Task.Delay(TimeSpan.FromSeconds(10), cancellationToken).ConfigureAwait(false);
}
UpgradeOrchestrationTrace.TraceSource.WriteInfo(TraceType, "Setting targetWRPConfig to initiate admin config upgrade.");
var adminConfig = new StandaloneAdminConfig();
adminConfig.Version.ClusterSettingsVersion = "2.1";
cluster.TargetWrpConfig = adminConfig;
await this.storeManager.SetStorageObjectAsync(Constants.AdminConfigUpgradeAttemptedDictionaryKey, "true", cancellationToken).ConfigureAwait(false);
}
if (!isBaselineUpgrade)
{
// If the cluster manifest versions don't match, send a health warning for users to know.
Task manifestCheck = this.SetupClusterManifestVersionCheck(cancellationToken, cluster.Current.ExternalState.ClusterManifest.Version);
UpgradeOrchestrationTrace.TraceSource.WriteInfo(TraceType, "Invoking Orchestrator.StartUpgradeAsync");
Task t = this.Orchestrator.StartUpgradeAsync(cluster, cancellationToken, new ConfigurationUpgradeDescription());
}
UpgradeOrchestrationTrace.TraceSource.WriteInfo(TraceType, "Done with Orchestrator.StartUpgradeAsync");
}
var goalStateProvisioner = new StandaloneGoalStateProvisioner(this.storeManager, this.Orchestrator, cancellationToken);
Task goalStatePollTask = (goalStateProvisioner.IsAutoupgradeEnabled() || goalStateProvisioner.IsAutoupgradeInstallEnabled())
? goalStateProvisioner.SetUpGoalStatePoll(cancellationToken, this.IsSkipInitialGoalStateCheck())
: Task.Run(
() =>
{
goalStateProvisioner.EmitGoalStateReachableHealth(this.fabricClient, true /*success*/);
goalStateProvisioner.EmitClusterVersionSupportedHealth(this.fabricClient, true /*success*/);
},
cancellationToken);
await Task.Delay(Timeout.Infinite, cancellationToken).ConfigureAwait(false);
}
catch (FabricNotPrimaryException ex)
{
UpgradeOrchestrationTrace.TraceSource.WriteError(TraceType, ex.ToString());
}
catch (FabricObjectClosedException ocex)
{
UpgradeOrchestrationTrace.TraceSource.WriteError(TraceType, ocex.ToString());
}
UpgradeOrchestrationTrace.TraceSource.WriteInfo(TraceType, "Exit RunAsync");
}