protected ClusterUpgradeStateBase(
IUserConfig targetCsmConfig,
IAdminConfig targetWrpConfig,
ClusterNodeConfig targetNodeConfig,
ICluster clusterResource,
ITraceLogger traceLogger)
{
targetCsmConfig.MustNotBeNull("csmConfig");
targetWrpConfig.MustNotBeNull("wrpConfig");
targetNodeConfig.MustNotBeNull("nodeConfig");
clusterResource.MustNotBeNull("clusterResource");
this.TargetCsmConfig = targetCsmConfig;
this.TargetWrpConfig = targetWrpConfig;
this.TargetNodeConfig = targetNodeConfig;
this.ClusterResource = clusterResource;
this.TraceLogger = traceLogger;
}
public bool TryCreateUpgradeState(
IUserConfig csmConfig,
IAdminConfig wrpConfig,
ClusterNodeConfig nodeConfig,
out ClusterUpgradeStateBase clusterUpgradeState)
{
csmConfig.MustNotBeNull("csmConfig");
wrpConfig.MustNotBeNull("wrpConfig");
nodeConfig.MustNotBeNull("nodeConfig");
bool hasReliabilityScaledUp = false;
clusterUpgradeState = null;
if (this.clusterResource.Current == null)
{
clusterUpgradeState = this.upgradeStateActivator.CreateBaselineUpgradeState(
csmConfig,
wrpConfig,
nodeConfig,
this.clusterResource,
this.traceLogger);
}
else
{
HashSet <string> certsAdded, certsRemoved;
bool hasCertChanged = HasCertficateChanged(
csmConfig,
this.clusterResource.Current.CSMConfig,
out certsAdded,
out certsRemoved);
hasReliabilityScaledUp = csmConfig.ReliabilityLevel > this.clusterResource.Current.CSMConfig.ReliabilityLevel;
var hasReliabilityScaledDown = csmConfig.ReliabilityLevel < this.clusterResource.Current.CSMConfig.ReliabilityLevel;
bool hasNodeStatusChanged = nodeConfig.Version != this.clusterResource.Current.NodeConfig.Version;
if (hasCertChanged && (hasReliabilityScaledUp || hasReliabilityScaledDown))
{
throw new ClusterManagementException(ClusterManagementErrorCode.CertificateAndScaleUpgradeTogetherNotAllowed);
}
if (hasCertChanged && hasNodeStatusChanged)
{
throw new ClusterManagementException(ClusterManagementErrorCode.CertificateAndScaleUpgradeTogetherNotAllowed);
}
if (hasNodeStatusChanged && this.clusterResource.NodeTypeNodeStatusList == null)
{
throw new ClusterManagementException(ClusterManagementErrorCode.ScaleUpAndScaleDownUpgradeNotAllowedForOlderClusters);
}
if (hasCertChanged)
{
clusterUpgradeState = this.upgradeStateActivator.CreateCertificateClusterUpgradeState(
csmConfig,
wrpConfig,
nodeConfig,
this.clusterResource,
this.traceLogger,
certsAdded,
certsRemoved);
}
else if (hasReliabilityScaledDown || hasReliabilityScaledUp)
{
clusterUpgradeState = this.upgradeStateActivator.CreateAutoScaleClusterUpgradeStateBase(
true /*initiatedByCsmRequest*/,
csmConfig,
wrpConfig,
nodeConfig,
this.clusterResource,
this.traceLogger);
}
else if (hasNodeStatusChanged)
{
clusterUpgradeState = this.upgradeStateActivator.CreateAutoScaleClusterUpgradeStateBase(
false /*initiatedByCsmRequest*/,
csmConfig,
wrpConfig,
nodeConfig,
this.clusterResource,
this.traceLogger);
}
else
{
clusterUpgradeState = this.upgradeStateActivator.CreateSimpleUpgradeState(
csmConfig,
wrpConfig,
nodeConfig,
this.clusterResource,
this.traceLogger);
}
}
clusterUpgradeState.ValidateSettingChanges();
bool processingSuccess = clusterUpgradeState.StartProcessing();
if (!processingSuccess && hasReliabilityScaledUp)
{
//// If scaleup auto upgrade did not go through (only case now is enough nodes being available),
//// then accept the request and complete the upgrade to ARM with success
this.traceLogger.WriteInfo(TraceType, "TryCreateUpgradeState: StartProcessing returns false, so create SimpleUpgrade");
clusterUpgradeState = this.upgradeStateActivator.CreateSimpleUpgradeState(
csmConfig,
wrpConfig,
nodeConfig,
this.clusterResource,
this.traceLogger);
clusterUpgradeState.ValidateSettingChanges();
return(clusterUpgradeState.StartProcessing());
}
this.traceLogger.WriteInfo(TraceType, "TryCreateUpgradeState: {0} is created.", clusterUpgradeState.GetType().Name);
return(processingSuccess);
}