/// <summary>
/// Compare the current RS (CurrentReplicaSetStatus) with what it should be ie the list of instances in our role (Endpoints)
/// </summary>
/// <param name="CurrentReplicaSetStatus"></param>
/// <param name="Endpoints"></param>
/// <returns></returns>
public static bool AreReplicaSetConfigEqual(ReplicaSetStatus CurrentReplicaSetStatus, List<NodeEndPoint> Endpoints)
{
if (CurrentReplicaSetStatus.Members.Count != Endpoints.Count)
return false;
//Check that every endpoints is in the replicatset config
foreach (NodeEndPoint node in Endpoints)
{
if (CurrentReplicaSetStatus.Members.FirstOrDefault(m => node == new NodeEndPoint(m.Adress,Int32.Parse(m.Port))) == null)
return false;
}
return true;
}
private bool IsCurrentConfigurationCorrect(ReplicaSetStatus CurrentReplicaSetStatus)
{
List<NodeEndPoint> ThisRSendpoints = MongoDBAzurePlatform.Instance.GetReplicaSetMembers(RoleEnvironment.CurrentRoleInstance.Id);
return MongoHelper.AreReplicaSetConfigEqual(CurrentReplicaSetStatus, ThisRSendpoints);
}
/// <summary>
/// Récupère le status des replicaSets
/// </summary>
/// <returns></returns>
public static ReplicaSetStatus GetReplicaSetStatus(NodeEndPoint nodeEndpoint)
{
MongoServer server = CreateMongoServer(nodeEndpoint);
try
{
var statusCommand = new CommandDocument { { "replSetGetStatus", 1 } };
CommandResult result = server.RunAdminCommand(statusCommand);
if (!result.Ok)
return null;
ReplicaSetStatus status = new ReplicaSetStatus();
foreach (var item in result.Response)
{
switch (item.Name)
{
case "set":
status.ReplicasetName = item.Value.AsString;
break;
case "date":
status.Date = item.Value.AsDateTime;
break;
case "members":
foreach (var item2 in item.Value.AsBsonArray)
{
ReplicaSetNode node = new ReplicaSetNode();
foreach (var member in item2.AsBsonDocument)
{
switch (member.Name)
{
case "_id":
node.Id = member.Value.AsInt32;
break;
case "name":
string[] fullAdress = member.Value.AsString.Split(':');
if (fullAdress.Length > 1)
{
node.Adress = fullAdress[0];
node.Port = fullAdress[1];
}
else
node.Adress = member.Value.AsString;
break;
case "health":
node.Health = member.Value.AsDouble == 0 ? "Down" : "Up";
break;
case "stateStr":
node.StateStr = member.Value.AsString;
break;
case "state":
node.State = ReplicaSetNode.GetStateFromInt(member.Value.AsInt32);
break;
case "optimeDate":
node.OpTime = member.Value.AsDateTime;
break;
case "errmsg":
node.ErrMsg = member.Value.AsString;
break;
default:
break;
}
}
status.Members.Add(node);
}
break;
default:
break;
}
}
return status;
}
catch (Exception ex)
{
if (ex.Message.Contains("(EMPTYCONFIG)"))
{
ReplicaSetStatus status = new ReplicaSetStatus();
status.IsEmptyConfig = true;
Trace.TraceWarning(string.Format("MongoHelper.GetStatus Exception : {0}", ex));
return status;
}
else
{
Trace.TraceError(string.Format("MongoHelper.GetStatus Exception : {0}", ex));
return null;
}
}
}
