/// <summary>
/// Fetches the current status.
/// </summary>
public static ReplicaSetStatus GetStatus()
{
if (!RoleEnvironment.IsAvailable)
{
return(GetDummyStatus());
}
var settings = ConnectionUtilities.GetMongoClientSettings(
ReadPreference.SecondaryPreferred);
var client = new MongoClient(settings);
var server = client.GetServer();
try
{
var result = server.GetDatabase("admin").RunCommand("replSetGetStatus");
return(ParseStatus(result.Response));
}
catch (IOException ie)
{
return(new ReplicaSetStatus {
Status = State.Error, Error = ie
});
}
catch (MongoException e)
{
return(new ReplicaSetStatus {
Status = State.Error, Error = e
});
}
}
internal static int ReconfigReplicaSet(string replicaSetName, int port)
{
var replicaSetRoleCount = RoleEnvironment.Roles[currentRoleName].Instances.Count;
var version = GetReplicaSetConfigVersion(port);
var cfg = CreateReplicaSetConfiguration(replicaSetName, port, replicaSetRoleCount, false);
cfg.Add("version", ++version);
var reconfigCommand = new CommandDocument {
{ "replSetReconfig", cfg }
};
var clientSettings = ConnectionUtilities.GetMongoClientSettings();
var client = new MongoClient(clientSettings);
var server = client.GetServer();
try
{
var result = server.GetDatabase("admin").RunCommand(reconfigCommand);
}
catch (Exception e)
{
// no primary?
DiagnosticsHelper.TraceWarning(e.Message);
}
return(replicaSetRoleCount);
}
public static ReplicaSetStatus GetReplicaSetStatus()
{
ReplicaSetStatus status;
var settings = ConnectionUtilities.GetMongoClientSettings(ReadPreference.SecondaryPreferred);
var client = new MongoClient(settings);
var server = client.GetServer();
try
{
var result = server.GetDatabase("admin").RunCommand("replSetGetStatus");
var response = result.Response;
BsonValue startupStatus;
if (response.TryGetValue("startupStatus", out startupStatus))
{
status = new ReplicaSetStatus("Replica Set Initializing");
return(status);
}
status = new ReplicaSetStatus((string)response.GetValue("set"));
var value = response.GetElement("members");
var members = value.Value.AsBsonArray;
foreach (BsonDocument member in members)
{
var node = new ServerStatus();
foreach (BsonElement bsonElement in member.Elements)
{
switch (bsonElement.Name)
{
case "_id":
node.id = bsonElement.Value.ToInt32();
break;
case "name":
node.name = bsonElement.Value.ToString();
break;
case "health":
node.health = bsonElement.Value.ToInt32() == 0 ? "DOWN" : "UP";
break;
case "state":
node.state = bsonElement.Value.ToInt32();
if (node.state == 1)
{
node.lastHeartbeat = "Not Applicable";
node.pingMS = "Not Applicable";
}
break;
case "stateStr":
node.stateStr = bsonElement.Value.ToString();
break;
case "uptime":
break;
case "lastHeartbeat":
var hearbeat = bsonElement.Value.ToUniversalTime();
if (hearbeat != null)
{
node.lastHeartbeat = hearbeat.ToString("yyyy-MM-dd HH:mm tt");
}
break;
case "optimeDate":
node.optimeDate = bsonElement.Value.ToUniversalTime();
break;
case "pingMs":
Double pingTime = bsonElement.Value.AsInt32;
node.pingMS = pingTime.ToString(CultureInfo.InvariantCulture);
break;
}
}
status.servers.Add(node);
}
}
catch (MongoException me)
{
status = new ReplicaSetStatus(string.Format(
"Replica Set Unavailable due to {0}", me.Message));
}
return(status);
}