private OngoingTaskReplication GetExternalReplicationInfo(DatabaseTopology dbTopology, ClusterTopology clusterTopology,
ExternalReplication watcher)
{
NodeId responsibale = null;
var tag = dbTopology.WhoseTaskIsIt(watcher, ServerStore.Engine.CurrentState);
if (tag != null)
{
responsibale = new NodeId
{
NodeTag = tag,
NodeUrl = clusterTopology.GetUrlFromTag(tag)
};
}
(string Url, OngoingTaskConnectionStatus Status)res = (null, OngoingTaskConnectionStatus.None);
if (tag == ServerStore.NodeTag)
{
res = Database.ReplicationLoader.GetExternalReplicationDestination(watcher.TaskId);
}
else
{
res.Status = OngoingTaskConnectionStatus.NotOnThisNode;
}
var taskInfo = new OngoingTaskReplication
{
TaskId = watcher.TaskId,
TaskName = watcher.Name,
ResponsibleNode = responsibale,
DestinationDatabase = watcher.Database,
TaskState = watcher.Disabled ? OngoingTaskState.Disabled : OngoingTaskState.Enabled,
DestinationUrl = res.Url,
TaskConnectionStatus = res.Status,
};
return(taskInfo);
}
public Task GetOngoingTaskInfo()
{
if (ResourceNameValidator.IsValidResourceName(Database.Name, ServerStore.Configuration.Core.DataDirectory.FullPath, out string errorMessage) == false)
{
throw new BadRequestException(errorMessage);
}
var key = GetLongQueryString("key");
var typeStr = GetQueryStringValueAndAssertIfSingleAndNotEmpty("type");
using (ServerStore.ContextPool.AllocateOperationContext(out TransactionOperationContext context))
{
using (context.OpenReadTransaction())
{
var clusterTopology = ServerStore.GetClusterTopology(context);
var record = ServerStore.Cluster.ReadDatabase(context, Database.Name);
var dbTopology = record?.Topology;
if (Enum.TryParse <OngoingTaskType>(typeStr, true, out var type) == false)
{
throw new ArgumentException($"Unknown task type: {type}", "type");
}
string tag;
switch (type)
{
case OngoingTaskType.Replication:
var watcher = record?.ExternalReplication.Find(x => x.TaskId == key);
if (watcher == null)
{
HttpContext.Response.StatusCode = (int)HttpStatusCode.NotFound;
break;
}
tag = dbTopology?.WhoseTaskIsIt(watcher, ServerStore.IsPassive());
var replicationTaskInfo = new OngoingTaskReplication
{
TaskId = watcher.TaskId,
TaskName = watcher.Name,
ResponsibleNode = new NodeId
{
NodeTag = tag,
NodeUrl = clusterTopology.GetUrlFromTag(tag)
},
DestinationDatabase = watcher.Database,
TaskState = watcher.Disabled ? OngoingTaskState.Disabled : OngoingTaskState.Enabled,
DestinationUrl = watcher.Url
};
WriteResult(context, replicationTaskInfo);
break;
case OngoingTaskType.Backup:
var backupConfiguration = record?.PeriodicBackups?.Find(x => x.TaskId == key);
if (backupConfiguration == null)
{
HttpContext.Response.StatusCode = (int)HttpStatusCode.NotFound;
break;
}
tag = dbTopology?.WhoseTaskIsIt(backupConfiguration, ServerStore.IsPassive());
var backupDestinations = GetBackupDestinations(backupConfiguration);
var backupStatus = Database.PeriodicBackupRunner.GetBackupStatus(key);
var nextBackup = Database.PeriodicBackupRunner.GetNextBackupDetails(record, backupConfiguration, backupStatus);
var backupTaskInfo = new OngoingTaskBackup
{
TaskId = backupConfiguration.TaskId,
BackupType = backupConfiguration.BackupType,
TaskName = backupConfiguration.Name,
TaskState = backupConfiguration.Disabled ? OngoingTaskState.Disabled : OngoingTaskState.Enabled,
ResponsibleNode = new NodeId
{
NodeTag = tag,
NodeUrl = clusterTopology.GetUrlFromTag(tag)
},
BackupDestinations = backupDestinations,
LastFullBackup = backupStatus.LastFullBackup,
LastIncrementalBackup = backupStatus.LastIncrementalBackup,
NextBackup = nextBackup
};
WriteResult(context, backupTaskInfo);
break;
case OngoingTaskType.SqlEtl:
var sqlEtl = record?.SqlEtls?.Find(x => x.TaskId == key);
if (sqlEtl == null)
{
HttpContext.Response.StatusCode = (int)HttpStatusCode.NotFound;
break;
}
WriteResult(context, new OngoingTaskSqlEtl
{
TaskId = sqlEtl.TaskId,
TaskName = sqlEtl.Name,
Configuration = sqlEtl
});
break;
case OngoingTaskType.RavenEtl:
var ravenEtl = record?.RavenEtls?.Find(x => x.TaskId == key);
if (ravenEtl == null)
{
HttpContext.Response.StatusCode = (int)HttpStatusCode.NotFound;
break;
}
WriteResult(context, new OngoingTaskRavenEtl
{
TaskId = ravenEtl.TaskId,
TaskName = ravenEtl.Name,
Configuration = ravenEtl
});
break;
case OngoingTaskType.Subscription:
var nameKey = GetQueryStringValueAndAssertIfSingleAndNotEmpty("taskName");
var itemKey = SubscriptionState.GenerateSubscriptionItemKeyName(record.DatabaseName, nameKey);
var doc = ServerStore.Cluster.Read(context, itemKey);
if (doc == null)
{
HttpContext.Response.StatusCode = (int)HttpStatusCode.NotFound;
break;
}
var subscriptionState = JsonDeserializationClient.SubscriptionState(doc);
tag = dbTopology?.WhoseTaskIsIt(subscriptionState, ServerStore.IsPassive());
var subscriptionStateInfo = new SubscriptionStateWithNodeDetails
{
Query = subscriptionState.Query,
ChangeVectorForNextBatchStartingPoint = subscriptionState.ChangeVectorForNextBatchStartingPoint,
SubscriptionId = subscriptionState.SubscriptionId,
SubscriptionName = subscriptionState.SubscriptionName,
LastTimeServerMadeProgressWithDocuments = subscriptionState.LastTimeServerMadeProgressWithDocuments,
Disabled = subscriptionState.Disabled,
LastClientConnectionTime = subscriptionState.LastClientConnectionTime,
ResponsibleNode = new NodeId
{
NodeTag = tag,
NodeUrl = clusterTopology.GetUrlFromTag(tag)
}
};
// Todo: here we'll need to talk with the running node? TaskConnectionStatus = subscriptionState.Disabled ? OngoingTaskConnectionStatus.NotActive : OngoingTaskConnectionStatus.Active,
WriteResult(context, subscriptionStateInfo.ToJson());
break;
default:
HttpContext.Response.StatusCode = (int)HttpStatusCode.NotFound;
break;
}
}
}
return(Task.CompletedTask);
}