public async Task <string> ProcessGetClusterConfigurationAsync(string apiVersion, TimeSpan timeout, CancellationToken cancellationToken)
{
UpgradeOrchestrationTrace.TraceSource.WriteInfo(TraceType, "Entering ProcessGetClusterConfigurationAsync.");
try
{
UpgradeOrchestrationTrace.TraceSource.WriteInfo(TraceType, "Retrieve current cluster resource from StoreManager.");
StandAloneCluster cluster = await this.storeManager.GetClusterResourceAsync(
Constants.ClusterReliableDictionaryKey, this.cancellationToken).ConfigureAwait(false);
if (cluster == null || cluster.Current == null)
{
// read from fabric data root
string fabricDataRoot = FabricEnvironment.GetDataRoot();
string jsonConfigPath = Path.Combine(fabricDataRoot, System.Fabric.FabricDeployer.Constants.FileNames.BaselineJsonClusterConfig); // TODO: Needs to come from image store
return(File.ReadAllText(jsonConfigPath));
}
else
{
var nodesFromFM = new Dictionary <string, NodeDescription>();
NodeList nodes = await StandaloneUtility.GetNodesFromFMAsync(this.fabricClient, this.cancellationToken).ConfigureAwait(false);
for (int i = 0; i < nodes.Count; ++i)
{
if (nodes[i].NodeStatus != System.Fabric.Query.NodeStatus.Invalid && !UpgradeOrchestrationMessageProcessor.IsGhostNode(nodes[i]))
{
NodeDescription nodeDesc = new NodeDescription()
{
FaultDomain = nodes[i].FaultDomain.ToString(),
UpgradeDomain = nodes[i].UpgradeDomain,
IPAddress = nodes[i].IpAddressOrFQDN,
NodeTypeRef = nodes[i].NodeType,
NodeName = nodes[i].NodeName
};
nodesFromFM.Add(nodes[i].NodeName, nodeDesc);
}
}
cluster.Topology.Nodes = nodesFromFM;
UpgradeOrchestrationTrace.TraceSource.WriteInfo(TraceType, "Construct StandAloneJsonModel from current cluster resource.");
var jsonModel = StandAloneInstallerJsonModelBase.ConstructByApiVersion(cluster.Current.CSMConfig, cluster.Topology, cluster.Current.CSMConfig.Version.Version, apiVersion);
UpgradeOrchestrationTrace.TraceSource.WriteInfo(TraceType, "Serializing current json model.");
var serializerSettings = new JsonSerializerSettings
{
Formatting = Formatting.Indented,
NullValueHandling = NullValueHandling.Ignore,
PreserveReferencesHandling = PreserveReferencesHandling.None
};
serializerSettings.Converters.Add(new Newtonsoft.Json.Converters.StringEnumConverter());
return(JsonConvert.SerializeObject(jsonModel, serializerSettings));
}
}
catch (Exception e)
{
UpgradeOrchestrationTrace.TraceSource.WriteWarning(TraceType, "ProcessStartUpgradeAsync exception: {0}", e);
throw UpgradeOrchestrationMessageProcessor.ConvertToComException(e);
}
}