private void ClearHealthError(MockWatchdog watchdog, string property, MockRepairExecutor executor)
{
watchdog.ReportOk(property);
// Make sure that the internal PE state is also back to Healthy
Thread.Sleep(_minimumHealthyDuration + _actionSchedulingInterval);
Thread.Sleep(executor.ProbationToHealthyPostRepair);
}
public void Onebox_Successful_ReplicationAfterRepairCreated()
{
const string property = "Onebox_Successful_ReplicationAfterRepairCreated";
MockRepairExecutor executor = Executors.First();
LogHelper.Log("Starting test {0} for executor {1}", property, executor.Name);
// Inject error
Node node = GetHealthyNode(_fabricClient);
MockWatchdog watchdog = new MockWatchdog(_fabricClient.HealthManager, node.NodeName);
watchdog.ReportError(property);
// Wait for PE to schedule the task
RepairTask createdTask = PollingForCreatedTask(executor, node);
Assert.IsNotNull(createdTask, "There must be a repair task created.");
KillPrimaryReplica();
RepairTask newTask = PollingForCreatedTask(executor, node);
Assert.IsTrue(newTask.TaskId.Equals(createdTask.TaskId, StringComparison.OrdinalIgnoreCase),
"The repair task should be the same created before");
}
public void Onebox_Successful_DeleteRepairInTheMiddle()
{
const string property = "Onebox_Successful_DeleteRepairInTheMiddle";
MockRepairExecutor executor = Executors.First();
LogHelper.Log("Starting test {0} for executor {1}", property, executor.Name);
// Inject error
Node node = GetHealthyNode(_fabricClient);
MockWatchdog watchdog = new MockWatchdog(_fabricClient.HealthManager, node.NodeName);
watchdog.ReportError(property);
RepairTask createdTask = PollingForCreatedTask(executor, node);
Assert.IsNotNull(createdTask, "There must be a repair task created.");
// cancel the task
long result = _fabricClient.RepairManager.CancelRepairTaskAsync(createdTask.TaskId, 0, true).Result;
// Delete the repair task
MockRepairExecutor.DeleteTask(createdTask, _fabricClient.RepairManager);
ClearHealthError(watchdog, property, executor);
// Report Error
watchdog.ReportError(property);
createdTask = PollingForCreatedTask(executor, node);
Assert.IsNotNull(createdTask, "There must be a repair task created after deletion.");
// Complete the repair task
executor.Complete(createdTask);
}
public void Onebox_Successful_SelfRepairAfterTaskIsApproved()
{
const string property = "Onebox_Successful_SelfRepairAfterTaskIsCreated";
MockRepairExecutor executor = Executors.First();
LogHelper.Log("Starting test {0}", property);
Node node = GetHealthyNode(_fabricClient);
// Inject error
MockWatchdog watchdog = new MockWatchdog(_fabricClient.HealthManager, node.NodeName);
watchdog.ReportError(property);
RepairTask createdTask = PollingForCreatedTask(executor, node);
Assert.IsNotNull(createdTask, "There must be a repair task created.");
executor.Approve(ref createdTask);
ClearHealthError(watchdog, property, executor);
// Make sure the task is cancelled
Thread.Sleep(_repairManagerLatency);
RepairTaskList repairTaskList = _fabricClient.RepairManager.GetRepairTaskListAsync(createdTask.TaskId, RepairTaskStateFilter.All, null).Result;
Assert.IsTrue((repairTaskList.Any() && repairTaskList.Count == 1), "There must be a unique repair task with task id = {0}", createdTask.TaskId);
RepairTask cancelledTask = repairTaskList.First();
Assert.IsTrue(cancelledTask.Flags == RepairTaskFlags.CancelRequested, "PE should request cancellation of the task");
}
public void Onebox_Successful_ReplicationAfterRepairCompleted()
{
const string property = "Onebox_Successful_ReplicationAfterRepairCancelled";
MockRepairExecutor executor = Executors.First();
LogHelper.Log("Starting test {0} for executor {1}", property, executor.Name);
// Inject error
Node node = GetHealthyNode(_fabricClient);
MockWatchdog watchdog = new MockWatchdog(_fabricClient.HealthManager, node.NodeName);
watchdog.ReportError(property);
var nodeHealth = _fabricClient.HealthManager.GetNodeHealthAsync(node.NodeName).Result;
var oldRepairHistory = nodeHealth.HealthEvents.Single(e => e.HealthInformation.Property.Equals("RepairPolicyEngineService::RepairHistory",
StringComparison.OrdinalIgnoreCase));
// Wait for PE to schedule the task
RepairTask createdTask = PollingForCreatedTask(executor, node);
Assert.IsNotNull(createdTask, "There must be a repair task created.");
DateTime scheduledAt = DateTime.Now;
executor.Complete(createdTask);
KillPrimaryReplica();
LogHelper.Log("Waiting for the RepairHistory in health store to have the latest repair");
// Make sure the RepairHistory has the entry within 5 minutes
string newRepairDescription = null;
TimeSpan timeout = TimeSpan.FromMinutes(5);
while (timeout >= TimeSpan.Zero)
{
nodeHealth = _fabricClient.HealthManager.GetNodeHealthAsync(node.NodeName).Result;
var repairHistory = nodeHealth.HealthEvents.Single(e => e.HealthInformation.Property.Equals("RepairPolicyEngineService::RepairHistory",
StringComparison.OrdinalIgnoreCase));
if (!repairHistory.HealthInformation.Description.Equals(oldRepairHistory.HealthInformation.Description, StringComparison.OrdinalIgnoreCase))
{
string[] descriptions = repairHistory.HealthInformation.Description.Split(';');
newRepairDescription = descriptions[descriptions.Count() - 2]; // Last element is empty
break;
}
TimeSpan sleepTime = TimeSpan.FromSeconds(10);
Thread.Sleep(sleepTime);
timeout -= sleepTime;
}
Assert.IsFalse(String.IsNullOrEmpty(newRepairDescription), "There must be a new repair description");
string repairType = newRepairDescription.Split('=').First();
Assert.IsTrue(repairType.Equals(executor.Name, StringComparison.OrdinalIgnoreCase), "Repair type is the same as executor name");
DateTime repairScheduledAt = DateTime.Parse(newRepairDescription.Split('=').Last());
Assert.IsTrue(repairScheduledAt >= scheduledAt, "There should be a new entry in repair history");
}
public static void TestCleanup()
{
LogHelper.Log("TestCleanup()");
// Clear health store
var nodeList = _fabricClient.QueryManager.GetNodeListAsync().Result;
foreach (var node in nodeList)
{
MockWatchdog watchdog = new MockWatchdog(_fabricClient.HealthManager, node.NodeName);
watchdog.ClearError();
}
// Cancel existing tasks
MockRepairExecutor.CancelAll(Executors, _fabricClient.RepairManager);
}
public void Onebox_Successful_ReplicationAfterRepairCancelled()
{
const string property = "Onebox_Successful_ReplicationAfterRepairCancelled";
MockRepairExecutor executor = Executors.First();
LogHelper.Log("Starting test {0} for executor {1}", property, executor.Name);
// Inject error
Node node = GetHealthyNode(_fabricClient);
MockWatchdog watchdog = new MockWatchdog(_fabricClient.HealthManager, node.NodeName);
watchdog.ReportError(property);
// Wait for PE to schedule the task
RepairTask createdTask = PollingForCreatedTask(executor, node);
Assert.IsNotNull(createdTask, "There must be a repair task created.");
Assert.IsNotNull(createdTask.CreatedTimestamp != null, "CreatedTimestamp must not be null");
DateTime firstCreated = createdTask.CreatedTimestamp.Value;
watchdog.ReportOk(property);
// Make sure the task is cancelled
Thread.Sleep(_minimumHealthyDuration + _actionSchedulingInterval + _repairManagerLatency);
RepairTask cancelledTask = _fabricClient.RepairManager.GetRepairTaskListAsync(createdTask.TaskId, RepairTaskStateFilter.All, null).Result.Single();
Assert.IsTrue(cancelledTask.State == RepairTaskState.Completed && cancelledTask.ResultStatus == RepairTaskResult.Cancelled,
"PE should request to cancel the task. Current State = {0}. Result Status = {1}", cancelledTask.State, cancelledTask.ResultStatus);
KillPrimaryReplica();
Thread.Sleep(_minimumHealthyDuration + _actionSchedulingInterval + _repairManagerLatency);
var repairList = _fabricClient.RepairManager.GetRepairTaskListAsync(createdTask.TaskId, RepairTaskStateFilter.Completed, null).Result;
var query = from repairTask in repairList
where repairTask.Target is NodeRepairTargetDescription &&
((NodeRepairTargetDescription)repairTask.Target).Nodes.First() == node.NodeName &&
repairTask.State == RepairTaskState.Completed &&
repairTask.ResultStatus == RepairTaskResult.Cancelled &&
repairTask.CreatedTimestamp >= firstCreated
select repairTask;
Assert.IsTrue(query.Count() == 1, "There must be no duplicated cancel request");
}
public void Onebox_Successful_ScheduleSingleRepair()
{
const string property = "Onebox_Successful_ScheduleSingleRepair";
MockRepairExecutor executor = Executors.First();
LogHelper.Log("Starting test {0} for executor {1}", property, executor.Name);
// Inject error
Node node = GetHealthyNode(_fabricClient);
MockWatchdog watchdog = new MockWatchdog(_fabricClient.HealthManager, node.NodeName);
watchdog.ReportError(property);
RepairTask createdTask = PollingForCreatedTask(executor, node);
Assert.IsNotNull(createdTask, "There must be a repair task created.");
}
public void Onebox_Successful_SingleFastTrackRepair()
{
const string test = "Onebox_Successful_SingleFastTrackRepair";
const string property = "RequestRepair";
// Use reimage executor
MockRepairExecutor executor = Executors.Skip(1).First();
Console.WriteLine("Starting test {0} for executor {1}", test, executor.Name);
string description = executor.Name;
// Inject error
Node node = GetHealthyNode(_fabricClient);
MockWatchdog watchdog = new MockWatchdog(_fabricClient.HealthManager, node.NodeName);
watchdog.ReportError(property, description);
RepairTask createdTask = PollingForCreatedTask(executor, node);
Assert.IsNotNull(createdTask, "There must be a repair task created.");
}
public void Onebox_Successful_CorrectRepairStateTransition()
{
const string property = "Onebox_Successful_CorrectRepairStateTransition";
LogHelper.Log("Starting test {0}", property);
Node node = GetHealthyNode(_fabricClient);
MockWatchdog watchdog = new MockWatchdog(_fabricClient.HealthManager, node.NodeName);
MockRepairExecutor executor = Executors.First();
// Inject error
watchdog.ReportError(property);
// Wait for PE to schedule the task
RepairTask createdTask = PollingForCreatedTask(executor, node);
Assert.IsNotNull(createdTask, "There must be a repair task created.");
executor.Process(ref createdTask);
}
private static RepairTask PollingForCreatedTask(MockRepairExecutor executor, Node node)
{
LogHelper.Log("Polling for created task for executor '{0}' and node '{1}'", executor.Name, node.NodeName);
TimeSpan timeout = executor.ActionTime + _probationToFailing + _actionSchedulingInterval + _repairManagerLatency;
// Give a little extra time to account for software delays due to onebox environments
timeout = timeout.Add(TimeSpan.FromMinutes(2));
DateTime startTime = DateTime.Now;
while (DateTime.Now - startTime <= timeout)
{
RepairTask task = executor.GetCreatedTask(node.NodeName);
if (task != null)
{
return(task);
}
Thread.Sleep(_actionSchedulingInterval);
}
return(null);
}
private static void LoadExecutors(XDocument xmlSettings)
{
Executors = new List <MockRepairExecutor>();
var allRepairAction = from element in xmlSettings.Descendants()
where element.Name.LocalName == "Section" && element.Attribute("Name").Value == "NodeRepairActionList"
select element;
foreach (var repairActionSection in allRepairAction.First().Descendants())
{
string repairActionSectionName = repairActionSection.Attribute("Value").Value;
string name = repairActionSection.Attribute("Name").Value;
//TimeSpan ProbationToFailingPostRepair = GetParameterTimeSpan(xmlSettings, repairActionSectionName, "ProbationToFailingWaitDurationPostRepairInSeconds");
TimeSpan ProbationToHealthyPostRepair = GetParameterTimeSpan(xmlSettings, repairActionSectionName, "ProbationToHealthyWaitDurationPostRepairInSeconds");
TimeSpan policyActionTime = GetParameterTimeSpan(xmlSettings, repairActionSectionName, "PolicyActionTimeInSeconds");
bool isEnabled = Convert.ToBoolean(GetParameter(xmlSettings, repairActionSectionName, "IsEnabled"));
MockRepairExecutor executor = new MockRepairExecutor(name, policyActionTime, isEnabled, ProbationToHealthyPostRepair, _fabricClient.RepairManager);
Executors.Add(executor);
}
Executors.Sort((executor1, executor2) => executor1.ActionTime.CompareTo(executor2.ActionTime));
}
private void Onebox_Successful_CorrectRepairOrder(string property, bool reportOK)
{
LogHelper.Log("Starting test {0}", property);
// Inject error
Node node = GetHealthyNode(_fabricClient);
DateTime lastHealthyAt = DateTime.Now;
MockWatchdog watchdog = new MockWatchdog(_fabricClient.HealthManager, node.NodeName);
watchdog.ReportError(property);
int currentIndex = -1;
MockRepairExecutor executor = null;
// timeout is 2 times the longest policy plusplus a little extra time to account for software delays due to onebox environments
DateTime timeout = DateTime.Now + Executors.Last().ActionTime + Executors.Last().ActionTime + TimeSpan.FromMinutes(3);
while (DateTime.Now < timeout)
{
// Wait for PE to schedule the task
RepairTask createdTask = PollingForAnyCreatedTask(node);
Assert.IsNotNull(createdTask, "There should be a new repair task");
if (executor == null || executor.IsExecutable(createdTask) == false)
{
++currentIndex;
while (Executors[currentIndex].IsEnabled == false)
{
LogHelper.Log("Skipping disabled repair executor {0}", Executors[currentIndex].Name);
++currentIndex;
if (currentIndex >= Executors.Count())
{
Assert.Fail("No subsequent enabled executor");
}
}
}
executor = Executors[currentIndex];
Assert.IsTrue(executor.IsEnabled, "Current executor '{0}' should be enabled", executor.Name);
Assert.IsTrue(executor.IsExecutable(createdTask), "Task should be executable by current repair executor {0}", executor.Name);
Assert.IsTrue(DateTime.Now - lastHealthyAt > executor.ActionTime,
"Processing time should be bigger than executor's action time ({0} seconds)",
executor.ActionTime.TotalSeconds);
executor.Complete(createdTask);
if (reportOK)
{
// Report OK in the middle to make sure that the escalation happens even in the flip
// flopping case where after a repair a machine stays healthy for a shortwhile and then reports error again.
Thread.Sleep(_actionSchedulingInterval);
watchdog.ReportOk(property);
// wait for the next action to happen
Thread.Sleep(_actionSchedulingInterval);
// give additional time to deal with any delays
Thread.Sleep(TimeSpan.FromMilliseconds(5));
// Flop it back to error
watchdog.ReportError(property);
Thread.Sleep(TimeSpan.FromMilliseconds(5));
}
}
// By going thru the loop we should have reached the last executor
Assert.IsTrue(executor.ActionTime == Executors.Last().ActionTime);
}