internal async Task <List <Tuple <SiloInstanceTableEntry, string> > > FindSiloEntryAndTableVersionRow(SiloAddress siloAddress)
{
string rowKey = SiloInstanceTableEntry.ConstructRowKey(siloAddress);
Expression <Func <SiloInstanceTableEntry, bool> > query = instance =>
instance.PartitionKey == DeploymentId &&
(instance.RowKey == rowKey || instance.RowKey == SiloInstanceTableEntry.TABLE_VERSION_ROW);
var queryResults = await storage.ReadTableEntriesAndEtagsAsync(query);
var asList = queryResults.ToList();
if (asList.Count < 1 || asList.Count > 2)
{
throw new KeyNotFoundException(string.Format("Could not find table version row or found too many entries. Was looking for key {0}, found = {1}", siloAddress.ToLongString(), Utils.EnumerableToString(asList)));
}
int numTableVersionRows = asList.Count(tuple => tuple.Item1.RowKey == SiloInstanceTableEntry.TABLE_VERSION_ROW);
if (numTableVersionRows < 1)
{
throw new KeyNotFoundException(string.Format("Did not read table version row. Read = {0}", Utils.EnumerableToString(asList)));
}
if (numTableVersionRows > 1)
{
throw new KeyNotFoundException(string.Format("Read {0} table version rows, while was expecting only 1. Read = {1}", numTableVersionRows, Utils.EnumerableToString(asList)));
}
return(asList);
}
/// <summary>
/// Insert (create new) row entry
/// </summary>
/// <param name="siloEntry">Silo Entry to be written</param>
internal async Task <bool> InsertSiloEntryConditionally(SiloInstanceTableEntry siloEntry, SiloInstanceTableEntry tableVersionEntry, string tableVersionEtag)
{
try
{
await storage.InsertTwoTableEntriesConditionallyAsync(siloEntry, tableVersionEntry, tableVersionEtag);
return(true);
}
catch (Exception exc)
{
HttpStatusCode httpStatusCode;
string restStatus;
if (!AzureStorageUtils.EvaluateException(exc, out httpStatusCode, out restStatus))
{
throw;
}
if (logger.IsVerbose2)
{
logger.Verbose2("InsertSiloEntryConditionally failed with httpStatusCode={0}, restStatus={1}", httpStatusCode, restStatus);
}
if (AzureStorageUtils.IsContentionError(httpStatusCode))
{
return(false);
}
throw;
}
}
public void ActivateSiloInstance(SiloInstanceTableEntry entry)
{
logger.Info(ErrorCode.Runtime_Error_100272, "Activating silo instance: {0}", entry.ToString());
entry.Status = INSTANCE_STATUS_ACTIVE;
storage.UpsertTableEntryAsync(entry)
.WaitWithThrow(AzureTableDefaultPolicies.TableOperationTimeout);
}
public void UnregisterSiloInstance(SiloInstanceTableEntry entry)
{
entry.Status = INSTANCE_STATUS_DEAD;
logger.Info(ErrorCode.Runtime_Error_100271, "Unregistering silo instance: {0}", entry.ToString());
storage.UpsertTableEntryAsync(entry)
.WaitWithThrow(AzureTableDefaultPolicies.TableOperationTimeout);
}
internal async Task <List <Tuple <SiloInstanceTableEntry, string> > > FindSiloEntryAndTableVersionRow(SiloAddress siloAddress)
{
string rowKey = SiloInstanceTableEntry.ConstructRowKey(siloAddress);
string filterOnPartitionKey = TableQuery.GenerateFilterCondition(nameof(SiloInstanceTableEntry.PartitionKey), QueryComparisons.Equal,
this.DeploymentId);
string filterOnRowKey1 = TableQuery.GenerateFilterCondition(nameof(SiloInstanceTableEntry.RowKey), QueryComparisons.Equal,
rowKey);
string filterOnRowKey2 = TableQuery.GenerateFilterCondition(nameof(SiloInstanceTableEntry.RowKey), QueryComparisons.Equal, SiloInstanceTableEntry.TABLE_VERSION_ROW);
string query = TableQuery.CombineFilters(filterOnPartitionKey, TableOperators.And, TableQuery.CombineFilters(filterOnRowKey1, TableOperators.Or, filterOnRowKey2));
var queryResults = await storage.ReadTableEntriesAndEtagsAsync(query);
var asList = queryResults.ToList();
if (asList.Count < 1 || asList.Count > 2)
{
throw new KeyNotFoundException(string.Format("Could not find table version row or found too many entries. Was looking for key {0}, found = {1}", siloAddress.ToLongString(), Utils.EnumerableToString(asList)));
}
int numTableVersionRows = asList.Count(tuple => tuple.Item1.RowKey == SiloInstanceTableEntry.TABLE_VERSION_ROW);
if (numTableVersionRows < 1)
{
throw new KeyNotFoundException(string.Format("Did not read table version row. Read = {0}", Utils.EnumerableToString(asList)));
}
if (numTableVersionRows > 1)
{
throw new KeyNotFoundException(string.Format("Read {0} table version rows, while was expecting only 1. Read = {1}", numTableVersionRows, Utils.EnumerableToString(asList)));
}
return(asList);
}
/// <summary>
/// Conditionally update the row for this entry, but only if the eTag matches with the current record in data store
/// </summary>
/// <param name="siloEntry">Silo Entry to be written</param>
/// <param name="entryEtag">ETag value for the entry being updated</param>
/// <param name="tableVersionEntry">Version row to update</param>
/// <param name="versionEtag">ETag value for the version row</param>
/// <returns></returns>
internal async Task <bool> UpdateSiloEntryConditionally(SiloInstanceTableEntry siloEntry, string entryEtag, SiloInstanceTableEntry tableVersionEntry, string versionEtag)
{
try
{
await storage.UpdateTwoTableEntriesConditionallyAsync(siloEntry, entryEtag, tableVersionEntry, versionEtag);
return(true);
}
catch (Exception exc)
{
HttpStatusCode httpStatusCode;
string restStatus;
if (!AzureTableUtils.EvaluateException(exc, out httpStatusCode, out restStatus))
{
throw;
}
if (logger.IsEnabled(LogLevel.Trace))
{
logger.Trace("UpdateSiloEntryConditionally failed with httpStatusCode={0}, restStatus={1}", httpStatusCode, restStatus);
}
if (AzureTableUtils.IsContentionError(httpStatusCode))
{
return(false);
}
throw;
}
}
/// <summary>
/// Represent a silo instance entry in the gateway URI format.
/// </summary>
/// <param name="gateway">The input silo instance</param>
/// <returns></returns>
private static Uri ToGatewayUri(SiloInstanceTableEntry gateway)
{
int proxyPort = 0;
if (!string.IsNullOrEmpty(gateway.ProxyPort))
{
int.TryParse(gateway.ProxyPort, out proxyPort);
}
return(new Uri(string.Format("gwy.tcp://{0}:{1}/{2}", gateway.Address, proxyPort, gateway.Generation)));
}
public IPEndPoint FindPrimarySiloEndpoint()
{
SiloInstanceTableEntry primarySilo = FindPrimarySilo();
if (primarySilo == null)
{
return(null);
}
int port = 0;
if (!string.IsNullOrEmpty(primarySilo.Port))
{
int.TryParse(primarySilo.Port, out port);
}
return(new IPEndPoint(IPAddress.Parse(primarySilo.Address), port));
}
/// <summary>
/// Represent a silo instance entry in the gateway URI format.
/// </summary>
/// <param name="gateway">The input silo instance</param>
/// <returns></returns>
private static Uri ConvertToGatewayUri(SiloInstanceTableEntry gateway)
{
int proxyPort = 0;
if (!string.IsNullOrEmpty(gateway.ProxyPort))
{
int.TryParse(gateway.ProxyPort, out proxyPort);
}
int gen = 0;
if (!string.IsNullOrEmpty(gateway.Generation))
{
int.TryParse(gateway.Generation, out gen);
}
SiloAddress address = SiloAddress.New(new IPEndPoint(IPAddress.Parse(gateway.Address), proxyPort), gen);
return(address.ToGatewayUri());
}
/// <summary>
/// Insert (create new) row entry
/// </summary>
internal async Task <bool> TryCreateTableVersionEntryAsync()
{
try
{
var versionRow = await storage.ReadSingleTableEntryAsync(DeploymentId, SiloInstanceTableEntry.TABLE_VERSION_ROW);
if (versionRow != null && versionRow.Item1 != null)
{
return(false);
}
SiloInstanceTableEntry entry = CreateTableVersionEntry(0);
await storage.CreateTableEntryAsync(entry);
return(true);
}
catch (Exception exc)
{
HttpStatusCode httpStatusCode;
string restStatus;
if (!AzureTableUtils.EvaluateException(exc, out httpStatusCode, out restStatus))
{
throw;
}
if (logger.IsEnabled(LogLevel.Trace))
{
logger.Trace("InsertSiloEntryConditionally failed with httpStatusCode={0}, restStatus={1}", httpStatusCode, restStatus);
}
if (AzureTableUtils.IsContentionError(httpStatusCode))
{
return(false);
}
throw;
}
}
private static SiloInstanceTableEntry Convert(MembershipEntry memEntry, string deploymentId)
{
var tableEntry = new SiloInstanceTableEntry
{
DeploymentId = deploymentId,
Address = memEntry.SiloAddress.Endpoint.Address.ToString(),
Port = memEntry.SiloAddress.Endpoint.Port.ToString(CultureInfo.InvariantCulture),
Generation = memEntry.SiloAddress.Generation.ToString(CultureInfo.InvariantCulture),
HostName = memEntry.HostName,
Status = memEntry.Status.ToString(),
ProxyPort = memEntry.ProxyPort.ToString(CultureInfo.InvariantCulture),
RoleName = memEntry.RoleName,
InstanceName = memEntry.InstanceName,
UpdateZone = memEntry.UpdateZone.ToString(CultureInfo.InvariantCulture),
FaultZone = memEntry.FaultZone.ToString(CultureInfo.InvariantCulture),
StartTime = TraceLogger.PrintDate(memEntry.StartTime),
IAmAliveTime = TraceLogger.PrintDate(memEntry.IAmAliveTime)
};
if (memEntry.SuspectTimes != null)
{
var siloList = new StringBuilder();
var timeList = new StringBuilder();
bool first = true;
foreach (var tuple in memEntry.SuspectTimes)
{
if (!first)
{
siloList.Append('|');
timeList.Append('|');
}
siloList.Append(tuple.Item1.ToParsableString());
timeList.Append(TraceLogger.PrintDate(tuple.Item2));
first = false;
}
tableEntry.SuspectingSilos = siloList.ToString();
tableEntry.SuspectingTimes = timeList.ToString();
}
else
{
tableEntry.SuspectingSilos = String.Empty;
tableEntry.SuspectingTimes = String.Empty;
}
tableEntry.PartitionKey = deploymentId;
tableEntry.RowKey = SiloInstanceTableEntry.ConstructRowKey(memEntry.SiloAddress);
return tableEntry;
}
/// <summary>
/// Conditionally update the row for this entry, but only if the eTag matches with the current record in data store
/// </summary>
/// <param name="siloEntry">Silo Entry to be written</param>
/// <param name="entryEtag">ETag value for the entry being updated</param>
/// <param name="tableVersionEntry">Version row to update</param>
/// <param name="versionEtag">ETag value for the version row</param>
/// <returns></returns>
internal async Task<bool> UpdateSiloEntryConditionally(SiloInstanceTableEntry siloEntry, string entryEtag, SiloInstanceTableEntry tableVersionEntry, string versionEtag)
{
try
{
await storage.UpdateTwoTableEntriesConditionallyAsync(siloEntry, entryEtag, tableVersionEntry, versionEtag);
return true;
}
catch (Exception exc)
{
HttpStatusCode httpStatusCode;
string restStatus;
if (!AzureStorageUtils.EvaluateException(exc, out httpStatusCode, out restStatus)) throw;
if (logger.IsVerbose2) logger.Verbose2("UpdateSiloEntryConditionally failed with httpStatusCode={0}, restStatus={1}", httpStatusCode, restStatus);
if (AzureStorageUtils.IsContentionError(httpStatusCode)) return false;
throw;
}
}
internal Task<string> MergeTableEntryAsync(SiloInstanceTableEntry data)
{
return storage.MergeTableEntryAsync(data, AzureStorageUtils.ANY_ETAG); // we merge this without checking eTags.
}
/// <summary>
/// Represent a silo instance entry in the gateway URI format.
/// </summary>
/// <param name="gateway">The input silo instance</param>
/// <returns></returns>
private static Uri ToGatewayUri(SiloInstanceTableEntry gateway)
{
int proxyPort = 0;
if (!string.IsNullOrEmpty(gateway.ProxyPort))
int.TryParse(gateway.ProxyPort, out proxyPort);
return new Uri(string.Format("gwy.tcp://{0}:{1}/{2}", gateway.Address, proxyPort, gateway.Generation));
}
public void ActivateSiloInstance(SiloInstanceTableEntry entry)
{
logger.Info(ErrorCode.Runtime_Error_100272, "Activating silo instance: {0}", entry.ToString());
entry.Status = INSTANCE_STATUS_ACTIVE;
storage.UpsertTableEntryAsync(entry)
.WaitWithThrow(AzureTableDefaultPolicies.TableOperationTimeout);
}
public void UnregisterSiloInstance(SiloInstanceTableEntry entry)
{
entry.Status = INSTANCE_STATUS_DEAD;
logger.Info(ErrorCode.Runtime_Error_100271, "Unregistering silo instance: {0}", entry.ToString());
storage.UpsertTableEntryAsync(entry)
.WaitWithThrow(AzureTableDefaultPolicies.TableOperationTimeout);
}
/// <summary>
/// Represent a silo instance entry in the gateway URI format.
/// </summary>
/// <param name="gateway">The input silo instance</param>
/// <returns></returns>
private static Uri ConvertToGatewayUri(SiloInstanceTableEntry gateway)
{
int.TryParse(gateway.ProxyPort, out var proxyPort);
return(new IPEndPoint(IPAddress.Parse(gateway.Address), proxyPort).ToGatewayUri());
}
public Task <string> UnregisterSiloInstance(SiloInstanceTableEntry entry)
{
entry.Status = INSTANCE_STATUS_DEAD;
logger.Info(ErrorCode.Runtime_Error_100271, "Unregistering silo instance: {0}", entry.ToString());
return(storage.UpsertTableEntryAsync(entry));
}
internal Task <string> MergeTableEntryAsync(SiloInstanceTableEntry data)
{
return(storage.MergeTableEntryAsync(data, AzureStorageUtils.ANY_ETAG));
}
private static MembershipEntry Parse(SiloInstanceTableEntry tableEntry)
{
var parse = new MembershipEntry
{
HostName = tableEntry.HostName,
Status = (SiloStatus) Enum.Parse(typeof (SiloStatus), tableEntry.Status)
};
if (!string.IsNullOrEmpty(tableEntry.ProxyPort))
parse.ProxyPort = int.Parse(tableEntry.ProxyPort);
parse.IsPrimary = false; // there are no primaries with in Azure table.
int port = 0;
if (!string.IsNullOrEmpty(tableEntry.Port))
int.TryParse(tableEntry.Port, out port);
int gen = 0;
if (!string.IsNullOrEmpty(tableEntry.Generation))
int.TryParse(tableEntry.Generation, out gen);
parse.SiloAddress = SiloAddress.New(new IPEndPoint(IPAddress.Parse(tableEntry.Address), port), gen);
parse.RoleName = tableEntry.RoleName;
parse.InstanceName = tableEntry.InstanceName;
if (!string.IsNullOrEmpty(tableEntry.UpdateZone))
parse.UpdateZone = int.Parse(tableEntry.UpdateZone);
if (!string.IsNullOrEmpty(tableEntry.FaultZone))
parse.FaultZone = int.Parse(tableEntry.FaultZone);
parse.StartTime = !string.IsNullOrEmpty(tableEntry.StartTime) ?
TraceLogger.ParseDate(tableEntry.StartTime) : default(DateTime);
parse.IAmAliveTime = !string.IsNullOrEmpty(tableEntry.IAmAliveTime) ?
TraceLogger.ParseDate(tableEntry.IAmAliveTime) : default(DateTime);
var suspectingSilos = new List<SiloAddress>();
var suspectingTimes = new List<DateTime>();
if (!string.IsNullOrEmpty(tableEntry.SuspectingSilos))
{
string[] silos = tableEntry.SuspectingSilos.Split('|');
foreach (string silo in silos)
{
suspectingSilos.Add(SiloAddress.FromParsableString(silo));
}
}
if (!string.IsNullOrEmpty(tableEntry.SuspectingTimes))
{
string[] times = tableEntry.SuspectingTimes.Split('|');
foreach (string time in times)
suspectingTimes.Add(TraceLogger.ParseDate(time));
}
if (suspectingSilos.Count != suspectingTimes.Count)
throw new OrleansException(String.Format("SuspectingSilos.Length of {0} as read from Azure table is not eqaul to SuspectingTimes.Length of {1}", suspectingSilos.Count, suspectingTimes.Count));
for (int i = 0; i < suspectingSilos.Count; i++)
parse.AddSuspector(suspectingSilos[i], suspectingTimes[i]);
return parse;
}
private static MembershipEntry Parse(SiloInstanceTableEntry tableEntry)
{
var parse = new MembershipEntry
{
HostName = tableEntry.HostName,
Status = (SiloStatus) Enum.Parse(typeof (SiloStatus), tableEntry.Status)
};
if (!string.IsNullOrEmpty(tableEntry.ProxyPort))
parse.ProxyPort = int.Parse(tableEntry.ProxyPort);
int port = 0;
if (!string.IsNullOrEmpty(tableEntry.Port))
int.TryParse(tableEntry.Port, out port);
int gen = 0;
if (!string.IsNullOrEmpty(tableEntry.Generation))
int.TryParse(tableEntry.Generation, out gen);
parse.SiloAddress = SiloAddress.New(new IPEndPoint(IPAddress.Parse(tableEntry.Address), port), gen);
parse.RoleName = tableEntry.RoleName;
if (!string.IsNullOrEmpty(tableEntry.SiloName))
{
parse.SiloName = tableEntry.SiloName;
}else if (!string.IsNullOrEmpty(tableEntry.InstanceName))
{
// this is for backward compatability: in a mixed cluster of old and new version,
// some entries will have the old InstanceName column.
parse.SiloName = tableEntry.InstanceName;
}
if (!string.IsNullOrEmpty(tableEntry.UpdateZone))
parse.UpdateZone = int.Parse(tableEntry.UpdateZone);
if (!string.IsNullOrEmpty(tableEntry.FaultZone))
parse.FaultZone = int.Parse(tableEntry.FaultZone);
parse.StartTime = !string.IsNullOrEmpty(tableEntry.StartTime) ?
LogFormatter.ParseDate(tableEntry.StartTime) : default(DateTime);
parse.IAmAliveTime = !string.IsNullOrEmpty(tableEntry.IAmAliveTime) ?
LogFormatter.ParseDate(tableEntry.IAmAliveTime) : default(DateTime);
var suspectingSilos = new List<SiloAddress>();
var suspectingTimes = new List<DateTime>();
if (!string.IsNullOrEmpty(tableEntry.SuspectingSilos))
{
string[] silos = tableEntry.SuspectingSilos.Split('|');
foreach (string silo in silos)
{
suspectingSilos.Add(SiloAddress.FromParsableString(silo));
}
}
if (!string.IsNullOrEmpty(tableEntry.SuspectingTimes))
{
string[] times = tableEntry.SuspectingTimes.Split('|');
foreach (string time in times)
suspectingTimes.Add(LogFormatter.ParseDate(time));
}
if (suspectingSilos.Count != suspectingTimes.Count)
throw new OrleansException(String.Format("SuspectingSilos.Length of {0} as read from Azure table is not eqaul to SuspectingTimes.Length of {1}", suspectingSilos.Count, suspectingTimes.Count));
for (int i = 0; i < suspectingSilos.Count; i++)
parse.AddSuspector(suspectingSilos[i], suspectingTimes[i]);
return parse;
}
/// <summary>
/// Represent a silo instance entry in the gateway URI format.
/// </summary>
/// <param name="gateway">The input silo instance</param>
/// <returns></returns>
private static Uri ConvertToGatewayUri(SiloInstanceTableEntry gateway)
{
int proxyPort = 0;
if (!string.IsNullOrEmpty(gateway.ProxyPort))
int.TryParse(gateway.ProxyPort, out proxyPort);
int gen = 0;
if (!string.IsNullOrEmpty(gateway.Generation))
int.TryParse(gateway.Generation, out gen);
SiloAddress address = SiloAddress.New(new IPEndPoint(IPAddress.Parse(gateway.Address), proxyPort), gen);
return address.ToGatewayUri();
}
/// <summary>
/// Initialize this Orleans silo for execution with the specified Azure deploymentId
/// </summary>
/// <param name="config">If null, Config data will be read from silo config file as normal, otherwise use the specified config data.</param>
/// <param name="deploymentId">Azure DeploymentId this silo is running under</param>
/// <returns><c>true</c> is the silo startup was successful</returns>
public bool Start(ClusterConfiguration config, string deploymentId = null)
{
// Program ident
Trace.TraceInformation("Starting {0} v{1}", this.GetType().FullName, RuntimeVersion.Current);
// Check if deployment id was specified
if (deploymentId == null)
deploymentId = serviceRuntimeWrapper.DeploymentId;
// Read endpoint info for this instance from Azure config
string instanceName = serviceRuntimeWrapper.InstanceName;
// Configure this Orleans silo instance
if (config == null)
{
host = new SiloHost(instanceName);
host.LoadOrleansConfig(); // Load config from file + Initializes logger configurations
}
else
{
host = new SiloHost(instanceName, config); // Use supplied config data + Initializes logger configurations
}
IPEndPoint myEndpoint = serviceRuntimeWrapper.GetIPEndpoint(SiloEndpointConfigurationKeyName);
IPEndPoint proxyEndpoint = serviceRuntimeWrapper.GetIPEndpoint(ProxyEndpointConfigurationKeyName);
host.SetSiloType(Silo.SiloType.Secondary);
int generation = SiloAddress.AllocateNewGeneration();
// Bootstrap this Orleans silo instance
myEntry = new SiloInstanceTableEntry
{
DeploymentId = deploymentId,
Address = myEndpoint.Address.ToString(),
Port = myEndpoint.Port.ToString(CultureInfo.InvariantCulture),
Generation = generation.ToString(CultureInfo.InvariantCulture),
HostName = host.Config.GetConfigurationForNode(host.Name).DNSHostName,
ProxyPort = (proxyEndpoint != null ? proxyEndpoint.Port : 0).ToString(CultureInfo.InvariantCulture),
RoleName = serviceRuntimeWrapper.RoleName,
InstanceName = instanceName,
UpdateZone = serviceRuntimeWrapper.UpdateDomain.ToString(CultureInfo.InvariantCulture),
FaultZone = serviceRuntimeWrapper.FaultDomain.ToString(CultureInfo.InvariantCulture),
StartTime = TraceLogger.PrintDate(DateTime.UtcNow),
PartitionKey = deploymentId,
RowKey = myEndpoint.Address + "-" + myEndpoint.Port + "-" + generation
};
var connectionString = serviceRuntimeWrapper.GetConfigurationSettingValue(DataConnectionConfigurationSettingName);
try
{
siloInstanceManager = OrleansSiloInstanceManager.GetManager(
deploymentId, connectionString).WithTimeout(AzureTableDefaultPolicies.TableCreationTimeout).Result;
}
catch (Exception exc)
{
var error = String.Format("Failed to create OrleansSiloInstanceManager. This means CreateTableIfNotExist for silo instance table has failed with {0}",
TraceLogger.PrintException(exc));
Trace.TraceError(error);
logger.Error(ErrorCode.AzureTable_34, error, exc);
throw new OrleansException(error, exc);
}
// Always use Azure table for membership when running silo in Azure
host.SetSiloLivenessType(GlobalConfiguration.LivenessProviderType.AzureTable);
host.SetReminderServiceType(GlobalConfiguration.ReminderServiceProviderType.AzureTable);
host.SetExpectedClusterSize(serviceRuntimeWrapper.RoleInstanceCount);
siloInstanceManager.RegisterSiloInstance(myEntry);
// Initialise this Orleans silo instance
host.SetDeploymentId(deploymentId, connectionString);
host.SetSiloEndpoint(myEndpoint, generation);
host.SetProxyEndpoint(proxyEndpoint);
host.InitializeOrleansSilo();
logger.Info(ErrorCode.Runtime_Error_100288, "Successfully initialized Orleans silo '{0}' as a {1} node.", host.Name, host.Type);
return StartSilo();
}
internal Task <string> MergeTableEntryAsync(SiloInstanceTableEntry data)
{
return(storage.MergeTableEntryAsync(data, "*"));
}
internal Task <string> MergeTableEntryAsync(SiloInstanceTableEntry data)
{
return(storage.MergeTableEntryAsync(data, AzureTableUtils.ANY_ETAG)); // we merge this without checking eTags.
}
/// <summary>
/// Initialize this Orleans silo for execution with the specified Azure deploymentId
/// </summary>
/// <param name="config">If null, Config data will be read from silo config file as normal, otherwise use the specified config data.</param>
/// <param name="deploymentId">Azure DeploymentId this silo is running under</param>
/// <param name="connectionString">Azure DataConnectionString. If null, defaults to the DataConnectionString setting from the Azure configuration for this role.</param>
/// <returns><c>true</c> if the silo startup was successful</returns>
internal bool Start(ClusterConfiguration config, string deploymentId, string connectionString)
{
if (config != null && deploymentId != null)
throw new ArgumentException("Cannot use config and deploymentId on the same time");
// Program ident
Trace.TraceInformation("Starting {0} v{1}", this.GetType().FullName, RuntimeVersion.Current);
// Read endpoint info for this instance from Azure config
string instanceName = serviceRuntimeWrapper.InstanceName;
// Configure this Orleans silo instance
if (config == null)
{
host = new SiloHost(instanceName);
host.LoadOrleansConfig(); // Load config from file + Initializes logger configurations
}
else
{
host = new SiloHost(instanceName, config); // Use supplied config data + Initializes logger configurations
}
IPEndPoint myEndpoint = serviceRuntimeWrapper.GetIPEndpoint(SiloEndpointConfigurationKeyName);
IPEndPoint proxyEndpoint = serviceRuntimeWrapper.GetIPEndpoint(ProxyEndpointConfigurationKeyName);
host.SetSiloType(Silo.SiloType.Secondary);
int generation = SiloAddress.AllocateNewGeneration();
// Bootstrap this Orleans silo instance
// If deploymentId was not direclty provided, take the value in the config. If it is not
// in the config too, just take the DeploymentId from Azure
if (deploymentId == null)
deploymentId = host.Config.Globals.DeploymentId ?? serviceRuntimeWrapper.DeploymentId;
myEntry = new SiloInstanceTableEntry
{
DeploymentId = deploymentId,
Address = myEndpoint.Address.ToString(),
Port = myEndpoint.Port.ToString(CultureInfo.InvariantCulture),
Generation = generation.ToString(CultureInfo.InvariantCulture),
HostName = host.Config.GetOrCreateNodeConfigurationForSilo(host.Name).DNSHostName,
ProxyPort = (proxyEndpoint != null ? proxyEndpoint.Port : 0).ToString(CultureInfo.InvariantCulture),
RoleName = serviceRuntimeWrapper.RoleName,
SiloName = instanceName,
UpdateZone = serviceRuntimeWrapper.UpdateDomain.ToString(CultureInfo.InvariantCulture),
FaultZone = serviceRuntimeWrapper.FaultDomain.ToString(CultureInfo.InvariantCulture),
StartTime = LogFormatter.PrintDate(DateTime.UtcNow),
PartitionKey = deploymentId,
RowKey = myEndpoint.Address + "-" + myEndpoint.Port + "-" + generation
};
if (connectionString == null)
connectionString = serviceRuntimeWrapper.GetConfigurationSettingValue(DataConnectionConfigurationSettingName);
try
{
siloInstanceManager = OrleansSiloInstanceManager.GetManager(
deploymentId, connectionString).WithTimeout(AzureTableDefaultPolicies.TableCreationTimeout).Result;
}
catch (Exception exc)
{
var error = String.Format("Failed to create OrleansSiloInstanceManager. This means CreateTableIfNotExist for silo instance table has failed with {0}",
LogFormatter.PrintException(exc));
Trace.TraceError(error);
logger.Error(ErrorCode.AzureTable_34, error, exc);
throw new OrleansException(error, exc);
}
// Always use Azure table for membership when running silo in Azure
host.SetSiloLivenessType(GlobalConfiguration.LivenessProviderType.AzureTable);
if (host.Config.Globals.ReminderServiceType == GlobalConfiguration.ReminderServiceProviderType.NotSpecified ||
host.Config.Globals.ReminderServiceType == GlobalConfiguration.ReminderServiceProviderType.ReminderTableGrain)
{
host.SetReminderServiceType(GlobalConfiguration.ReminderServiceProviderType.AzureTable);
}
host.SetExpectedClusterSize(serviceRuntimeWrapper.RoleInstanceCount);
siloInstanceManager.RegisterSiloInstance(myEntry);
// Initialize this Orleans silo instance
host.SetDeploymentId(deploymentId, connectionString);
host.SetSiloEndpoint(myEndpoint, generation);
host.SetProxyEndpoint(proxyEndpoint);
host.InitializeOrleansSilo();
return StartSilo();
}
public void RegisterSiloInstance(SiloInstanceTableEntry entry)
{
entry.Status = INSTANCE_STATUS_CREATED;
logger.Info(ErrorCode.Runtime_Error_100270, "Registering silo instance: {0}", entry.ToString());
Task.WaitAll(new Task[] { storage.UpsertTableEntryAsync(entry) });
}
private void RegisterSiloInstance()
{
string partitionKey = deploymentId;
string rowKey = SiloInstanceTableEntry.ConstructRowKey(siloAddress);
IPEndPoint myEndpoint = siloAddress.Endpoint;
myEntry = new SiloInstanceTableEntry
{
PartitionKey = partitionKey,
RowKey = rowKey,
DeploymentId = deploymentId,
Address = myEndpoint.Address.ToString(),
Port = myEndpoint.Port.ToString(CultureInfo.InvariantCulture),
Generation = generation.ToString(CultureInfo.InvariantCulture),
HostName = myEndpoint.Address.ToString(),
ProxyPort = "30000",
RoleName = "MyRole",
InstanceName = "MyInstance",
UpdateZone = "0",
FaultZone = "0",
StartTime = TraceLogger.PrintDate(DateTime.UtcNow),
};
logger.Info("MyEntry={0}", myEntry);
manager.RegisterSiloInstance(myEntry);
}
public Task <string> ActivateSiloInstance(SiloInstanceTableEntry entry)
{
logger.Info(ErrorCode.Runtime_Error_100272, "Activating silo instance: {0}", entry.ToString());
entry.Status = INSTANCE_STATUS_ACTIVE;
return(storage.UpsertTableEntryAsync(entry));
}
private void CheckSiloInstanceTableEntry(SiloInstanceTableEntry referenceEntry, SiloInstanceTableEntry entry)
{
Assert.AreEqual(referenceEntry.DeploymentId, entry.DeploymentId, "DeploymentId");
Assert.AreEqual(referenceEntry.Address, entry.Address, "Address");
Assert.AreEqual(referenceEntry.Port, entry.Port, "Port");
Assert.AreEqual(referenceEntry.Generation, entry.Generation, "Generation");
Assert.AreEqual(referenceEntry.HostName, entry.HostName, "HostName");
//Assert.AreEqual(referenceEntry.Status, entry.Status, "Status");
Assert.AreEqual(referenceEntry.ProxyPort, entry.ProxyPort, "ProxyPort");
Assert.AreEqual(referenceEntry.RoleName, entry.RoleName, "RoleName");
Assert.AreEqual(referenceEntry.InstanceName, entry.InstanceName, "InstanceName");
Assert.AreEqual(referenceEntry.UpdateZone, entry.UpdateZone, "UpdateZone");
Assert.AreEqual(referenceEntry.FaultZone, entry.FaultZone, "FaultZone");
Assert.AreEqual(referenceEntry.StartTime, entry.StartTime, "StartTime");
Assert.AreEqual(referenceEntry.IAmAliveTime, entry.IAmAliveTime, "IAmAliveTime");
Assert.AreEqual(referenceEntry.MembershipVersion, entry.MembershipVersion, "MembershipVersion");
Assert.AreEqual(referenceEntry.SuspectingTimes, entry.SuspectingTimes, "SuspectingTimes");
Assert.AreEqual(referenceEntry.SuspectingSilos, entry.SuspectingSilos, "SuspectingSilos");
}