internal static StatefulServiceLoadMetricDescription ParseStatefulMetric(string metricStr)
{
StatefulServiceLoadMetricDescription desc;
string[] metricFields = metricStr.Split(',', ' ');
if (metricFields.Length != 4)
{
throw new ArgumentException(StringResources.Error_InvalidMetricSpecification);
}
int primaryDefaultLoad, secondaryDefaultLoad;
if (!int.TryParse(metricFields[2], out primaryDefaultLoad))
{
throw new ArgumentException(StringResources.Error_InvalidMetricSpecification);
}
if (!int.TryParse(metricFields[3], out secondaryDefaultLoad))
{
throw new ArgumentException(StringResources.Error_InvalidMetricSpecification);
}
desc = new StatefulServiceLoadMetricDescription()
{
Name = metricFields[0],
Weight = ParseWeight(metricFields[1]),
PrimaryDefaultLoad = primaryDefaultLoad,
SecondaryDefaultLoad = secondaryDefaultLoad
};
return(desc);
}
internal StatefulServiceDescription GetStatefulDescription(Job j)
{
var ser = JsonSerializer.Create();
var sw = new StringWriter();
ser.Serialize(sw, j);
var desc = new StatefulServiceDescription()
{
ApplicationName = new Uri("fabric:/Compute2"),
DefaultMoveCost = MoveCost.High,
ServiceName = new Uri(string.Format("fabric:/Compute2/ComputeInstance{0}", System.DateTime.Now.Ticks)),
ServiceTypeName = "StatefulComputeServiceType",
HasPersistedState = true,
PartitionSchemeDescription = new SingletonPartitionSchemeDescription(),
TargetReplicaSetSize = 3,
MinReplicaSetSize = 2,
InitializationData = Encoding.UTF8.GetBytes(sw.ToString())
};
var metric = new StatefulServiceLoadMetricDescription()
{
PrimaryDefaultLoad = 1,
SecondaryDefaultLoad = 0,
Name = "TCU",
Weight = ServiceLoadMetricWeight.Medium
};
desc.Metrics.Add(metric);
return(desc);
}
public Task <Job> DiagStateful(int replicas)
{
var j = new Job()
{
NodeName = "", // TODO
Id = Guid.NewGuid().ToString(),
Status = JobStatus.Waiting
};
var ser = JsonSerializer.Create();
var sw = new StringWriter();
ser.Serialize(sw, j);
StatefulServiceDescription desc = new StatefulServiceDescription();
try
{
FabricClient client = new FabricClient();
desc.ApplicationName = new Uri("fabric:/Compute2");
desc.DefaultMoveCost = MoveCost.High;
desc.ServiceName = new Uri(string.Format("fabric:/Compute2/EmptyStatefulInstance{0}", System.DateTime.Now.Ticks));
desc.ServiceTypeName = "EmptyServiceType";
desc.PartitionSchemeDescription = new SingletonPartitionSchemeDescription();
desc.TargetReplicaSetSize = replicas;
desc.MinReplicaSetSize = 1;
desc.HasPersistedState = false;
desc.InitializationData = Encoding.UTF8.GetBytes(sw.ToString());
var metric = new StatefulServiceLoadMetricDescription();
metric.PrimaryDefaultLoad = 1;
metric.SecondaryDefaultLoad = 1;
metric.Name = "calc";
metric.Weight = ServiceLoadMetricWeight.Medium;
desc.Metrics.Add(metric);
client.ServiceManager.CreateServiceAsync(desc).Wait();
//ServiceEventSource.Current.ServiceMessage(this, string.Format("created on svc {0}", desc.ServiceName));
}
catch (Exception ex)
{
// CreateServiceAsync throws when there's no capacity for StatefulServices
// Handle appropriately
//ServiceEventSource.Current.ServiceMessage(this, string.Format("ERROR creating svc {0}, {1}", desc.ServiceName, ex.ToString()));
Debug.WriteLine(ex.ToString());
return(Task.FromResult(RecordErrorStatus(j)));
}
return(Task.FromResult <Job>(j));
}
public static StatefulServiceLoadMetricDescription GetClone(this StatefulServiceLoadMetricDescription other)
{
if (other == null)
{
return(null);
}
return(new StatefulServiceLoadMetricDescription()
{
Name = other.Name,
PrimaryDefaultLoad = other.PrimaryDefaultLoad,
SecondaryDefaultLoad = other.SecondaryDefaultLoad,
Weight = other.Weight
});
}
public static ServiceLoadMetricDescription GetClone(this ServiceLoadMetricDescription other)
{
if (other == null)
{
return(null);
}
ServiceLoadMetricDescription casted;
if (other is StatefulServiceLoadMetricDescription)
{
casted = new StatefulServiceLoadMetricDescription(other as StatefulServiceLoadMetricDescription);
}
else if (other is StatelessServiceLoadMetricDescription)
{
casted = new StatelessServiceLoadMetricDescription(other as StatelessServiceLoadMetricDescription);
}
else
{
casted = new ServiceLoadMetricDescription(other);
}
return(casted);
}
