Examples with EnvironmentStartInterruptedException org.eclipse.che.api.environment.server.exception.EnvironmentStartInterruptedException used on opensource projects

Example 1 with EnvironmentStartInterruptedException

use of org.eclipse.che.api.environment.server.exception.EnvironmentStartInterruptedException in project che by eclipse.

the class CheEnvironmentEngine method startEnvironmentQueue.

/**
     * Starts all machine from machine queue of environment.
     */
private void startEnvironmentQueue(String namespace, String workspaceId, String devMachineName, String networkId, boolean recover, MachineStartedHandler startedHandler) throws ServerException, EnvironmentException {
    // Starting all machines in environment one by one by getting configs
    // from the corresponding starting queue.
    // Config will be null only if there are no machines left in the queue
    String envName;
    MessageConsumer<MachineLogMessage> envLogger;
    String creator = EnvironmentContext.getCurrent().getSubject().getUserId();
    try (@SuppressWarnings("unused") Unlocker u = stripedLocks.readLock(workspaceId)) {
        EnvironmentHolder environmentHolder = environments.get(workspaceId);
        if (environmentHolder == null) {
            throw new ServerException("Environment start is interrupted.");
        }
        envName = environmentHolder.name;
        envLogger = environmentHolder.logger;
    }
    try {
        machineProvider.createNetwork(networkId);
        String machineName = queuePeekOrFail(workspaceId);
        while (machineName != null) {
            boolean isDev = devMachineName.equals(machineName);
            // Environment start is failed when any machine start is failed, so if any error
            // occurs during machine creation then environment start fail is reported and
            // start resources such as queue and descriptor must be cleaned up
            CheServiceImpl service;
            @Nullable ExtendedMachine extendedMachine;
            try (@SuppressWarnings("unused") Unlocker u = stripedLocks.readLock(workspaceId)) {
                EnvironmentHolder environmentHolder = environments.get(workspaceId);
                if (environmentHolder == null) {
                    throw new ServerException("Environment start is interrupted.");
                }
                service = environmentHolder.environment.getServices().get(machineName);
                extendedMachine = environmentHolder.environmentConfig.getMachines().get(machineName);
            }
            // should not happen
            if (service == null) {
                LOG.error("Start of machine with name {} in workspace {} failed. Machine not found in start queue", machineName, workspaceId);
                throw new ServerException(format("Environment of workspace with ID '%s' failed due to internal error", workspaceId));
            }
            final String finalMachineName = machineName;
            // needed to reuse startInstance method and
            // create machine instances by different implementation-specific providers
            MachineStarter machineStarter = (machineLogger, machineSource) -> {
                CheServiceImpl serviceWithNormalizedSource = normalizeServiceSource(service, machineSource);
                return machineProvider.startService(namespace, workspaceId, envName, finalMachineName, isDev, networkId, serviceWithNormalizedSource, machineLogger);
            };
            MachineImpl machine = MachineImpl.builder().setConfig(MachineConfigImpl.builder().setDev(isDev).setLimits(new MachineLimitsImpl(bytesToMB(service.getMemLimit()))).setType("docker").setName(machineName).setEnvVariables(service.getEnvironment()).build()).setId(service.getId()).setWorkspaceId(workspaceId).setStatus(MachineStatus.CREATING).setEnvName(envName).setOwner(creator).build();
            checkInterruption(workspaceId, envName);
            Instance instance = startInstance(recover, envLogger, machine, machineStarter);
            checkInterruption(workspaceId, envName);
            startedHandler.started(instance, extendedMachine);
            checkInterruption(workspaceId, envName);
            // Machine destroying is an expensive operation which must be
            // performed outside of the lock, this section checks if
            // the environment wasn't stopped while it is starting and sets
            // polled flag to true if the environment wasn't stopped.
            // Also polls the proceeded machine configuration from the queue
            boolean queuePolled = false;
            try (@SuppressWarnings("unused") Unlocker u = stripedLocks.writeLock(workspaceId)) {
                ensurePreDestroyIsNotExecuted();
                EnvironmentHolder environmentHolder = environments.get(workspaceId);
                if (environmentHolder != null) {
                    final Queue<String> queue = environmentHolder.startQueue;
                    if (queue != null) {
                        queue.poll();
                        queuePolled = true;
                    }
                }
            }
            // must be destroyed
            if (!queuePolled) {
                try {
                    eventService.publish(newDto(MachineStatusEvent.class).withEventType(MachineStatusEvent.EventType.DESTROYING).withDev(isDev).withMachineName(machineName).withMachineId(instance.getId()).withWorkspaceId(workspaceId));
                    instance.destroy();
                    removeMachine(workspaceId, instance.getId());
                    eventService.publish(newDto(MachineStatusEvent.class).withEventType(MachineStatusEvent.EventType.DESTROYED).withDev(isDev).withMachineName(machineName).withMachineId(instance.getId()).withWorkspaceId(workspaceId));
                } catch (MachineException e) {
                    LOG.error(e.getLocalizedMessage(), e);
                }
                throw new ServerException("Workspace '" + workspaceId + "' start interrupted. Workspace stopped before all its machines started");
            }
            machineName = queuePeekOrFail(workspaceId);
        }
    } catch (RuntimeException | ServerException | EnvironmentStartInterruptedException e) {
        boolean interrupted = Thread.interrupted();
        EnvironmentHolder env;
        try (@SuppressWarnings("unused") Unlocker u = stripedLocks.writeLock(workspaceId)) {
            env = environments.remove(workspaceId);
        }
        try {
            destroyEnvironment(env.networkId, env.machines);
        } catch (Exception remEx) {
            LOG.error(remEx.getLocalizedMessage(), remEx);
        }
        if (interrupted) {
            throw new EnvironmentStartInterruptedException(workspaceId, envName);
        }
        try {
            throw e;
        } catch (ServerException | EnvironmentStartInterruptedException rethrow) {
            throw rethrow;
        } catch (Exception wrap) {
            throw new ServerException(wrap.getMessage(), wrap);
        }
    }
}

Example 2 with EnvironmentStartInterruptedException

use of org.eclipse.che.api.environment.server.exception.EnvironmentStartInterruptedException in project che by eclipse.

the class WorkspaceRuntimes method startEnvironmentAndPublishEvents.

/**
     * Starts the environment publishing all the necessary events.
     * Respects task interruption & stops the workspace if starting task is cancelled.
     */
private void startEnvironmentAndPublishEvents(EnvironmentImpl environment, String workspaceId, String envName, boolean recover) throws ServerException, EnvironmentException, ConflictException {
    try {
        envEngine.start(workspaceId, envName, environment, recover, new WebsocketMessageConsumer<>(format(ENVIRONMENT_OUTPUT_CHANNEL_TEMPLATE, workspaceId)), machineAgentsLauncher);
    } catch (EnvironmentStartInterruptedException x) {
        // environment start was interrupted, it's either shutdown or direct stop
        // in the case of shutdown make sure the status is correct,
        // otherwise workspace is already stopping
        compareAndSetStatus(workspaceId, WorkspaceStatus.STARTING, WorkspaceStatus.STOPPING);
        removeStateAndPublishStopEvents(workspaceId);
        throw x;
    } catch (EnvironmentException | ServerException | ConflictException x) {
        // environment can't be started for some reason, STARTING -> STOPPED
        removeState(workspaceId);
        eventsService.publish(DtoFactory.newDto(WorkspaceStatusEvent.class).withWorkspaceId(workspaceId).withEventType(EventType.ERROR).withPrevStatus(WorkspaceStatus.STARTING).withStatus(WorkspaceStatus.STOPPED).withError("Start of environment '" + envName + "' failed. Error: " + x.getMessage()));
        throw x;
    }
    // disallow direct start cancellation, STARTING -> RUNNING
    WorkspaceStatus prevStatus;
    try (@SuppressWarnings("unused") Unlocker u = locks.writeLock(workspaceId)) {
        checkIsNotTerminated("finish workspace start");
        RuntimeState state = states.get(workspaceId);
        prevStatus = state.status;
        if (state.status == WorkspaceStatus.STARTING) {
            state.status = WorkspaceStatus.RUNNING;
            state.startTask = null;
            state.startFuture = null;
        }
    }
    // or stop is called directly, anyway stop the environment
    if (Thread.interrupted() || prevStatus != WorkspaceStatus.STARTING) {
        try {
            stopEnvironmentAndPublishEvents(workspaceId, WorkspaceStatus.STARTING);
        } catch (Exception x) {
            LOG.error("Couldn't stop the environment '{}' of the workspace '{}'. Error: {}", envName, workspaceId, x.getMessage());
        }
        throw new EnvironmentStartInterruptedException(workspaceId, envName);
    }
    // normally started, notify clients
    eventsService.publish(DtoFactory.newDto(WorkspaceStatusEvent.class).withWorkspaceId(workspaceId).withStatus(WorkspaceStatus.RUNNING).withEventType(EventType.RUNNING).withPrevStatus(WorkspaceStatus.STARTING));
}

Example 3 with EnvironmentStartInterruptedException

use of org.eclipse.che.api.environment.server.exception.EnvironmentStartInterruptedException in project che by eclipse.

the class CheEnvironmentEngineTest method stopsTheEnvironmentWhileStartOfMachineIsInterrupted.

@Test
public void stopsTheEnvironmentWhileStartOfMachineIsInterrupted() throws Exception {
    // given
    EnvironmentImpl env = createEnv();
    String envName = "env-1";
    String workspaceId = "wsId";
    int[] counter = new int[] { env.getMachines().size() };
    ArrayList<Instance> created = new ArrayList<>();
    when(machineProvider.startService(anyString(), eq(workspaceId), eq(envName), anyString(), anyBoolean(), anyString(), any(CheServiceImpl.class), any(LineConsumer.class))).thenAnswer(invocationOnMock -> {
        if (--counter[0] == 0) {
            Thread.currentThread().interrupt();
            throw new ServerException("interrupted!");
        }
        Object[] arguments = invocationOnMock.getArguments();
        NoOpMachineInstance instance = spy(new NoOpMachineInstance(createMachine(workspaceId, envName, (CheServiceImpl) arguments[6], (String) arguments[3], (boolean) arguments[4])));
        created.add(instance);
        return instance;
    });
    when(environmentParser.parse(env)).thenReturn(createCheServicesEnv());
    // when, then
    try {
        engine.start(workspaceId, envName, env, false, messageConsumer, startedHandler);
        fail("environment must not be running");
    } catch (EnvironmentStartInterruptedException x) {
        assertEquals(x.getMessage(), format("Start of environment '%s' in workspace '%s' is interrupted", envName, workspaceId));
    }
    // environment must not be running
    try {
        engine.getMachines(workspaceId);
        fail("environment must not be running");
    } catch (EnvironmentNotRunningException x) {
        assertEquals(x.getMessage(), format("Environment with ID '%s' is not found", workspaceId));
    }
    // all the machines expect of the last one must be destroyed
    for (Instance instance : created) {
        verify(instance).destroy();
    }
}

Example 4 with EnvironmentStartInterruptedException

use of org.eclipse.che.api.environment.server.exception.EnvironmentStartInterruptedException in project che by eclipse.

the class WorkspaceRuntimes method stop.

/**
     * Stops running workspace runtime.
     *
     * <p>Stops environment in an implementation specific way.
     * During the stop of the workspace its runtime is accessible with {@link WorkspaceStatus#STOPPING stopping} status.
     * Workspace may be stopped only if its status is {@link WorkspaceStatus#RUNNING}.
     *
     * @param workspaceId
     *         identifier of workspace which should be stopped
     * @throws NotFoundException
     *         when workspace with specified identifier is not running
     * @throws ServerException
     *         when any error occurs during workspace stopping
     * @throws ConflictException
     *         when running workspace status is different from {@link WorkspaceStatus#RUNNING}
     * @see CheEnvironmentEngine#stop(String)
     * @see WorkspaceStatus#STOPPING
     */
public void stop(String workspaceId) throws NotFoundException, ServerException, ConflictException, EnvironmentException {
    requireNonNull(workspaceId, "Required not-null workspace id");
    RuntimeState prevState;
    try (@SuppressWarnings("unused") Unlocker u = locks.writeLock(workspaceId)) {
        checkIsNotTerminated("stop the workspace");
        RuntimeState state = getExistingState(workspaceId);
        if (state.status != WorkspaceStatus.RUNNING && state.status != WorkspaceStatus.STARTING) {
            throw new ConflictException(format("Couldn't stop the workspace '%s' because its status is '%s'. " + "Workspace can be stopped only if it is 'RUNNING' or 'STARTING'", workspaceId, state.status));
        }
        prevState = new RuntimeState(state);
        state.status = WorkspaceStatus.STOPPING;
    }
    // workspace is running, stop normally
    if (prevState.status == WorkspaceStatus.RUNNING) {
        stopEnvironmentAndPublishEvents(workspaceId, WorkspaceStatus.RUNNING);
        return;
    }
    // interrupt workspace start thread
    prevState.startFuture.cancel(true);
    // if task wasn't called by executor service, then
    // no real machines were started but, the clients still
    // have to be notified about the workspace shut down
    StartTask startTask = prevState.startTask;
    if (startTask.markAsUsed()) {
        removeStateAndPublishStopEvents(workspaceId);
        prevState.startTask.earlyComplete();
        return;
    }
    // otherwise stop will be triggered by the start task, wait for it to finish
    try {
        startTask.await();
    } catch (EnvironmentStartInterruptedException ignored) {
    // environment start successfully interrupted
    } catch (InterruptedException x) {
        Thread.currentThread().interrupt();
        throw new ServerException("Interrupted while waiting for start task cancellation", x);
    }
}

Example 5 with EnvironmentStartInterruptedException

use of org.eclipse.che.api.environment.server.exception.EnvironmentStartInterruptedException in project che by eclipse.

the class WorkspaceRuntimesTest method cancellationOfRunningStartTask.

@Test
public void cancellationOfRunningStartTask() throws Exception {
    setRuntime("workspace", WorkspaceStatus.STARTING, "env-name", runtimeFuture, startTask);
    doThrow(new EnvironmentStartInterruptedException("workspace", "env-name")).when(startTask).await();
    runtimes.stop("workspace");
    verify(runtimeFuture).cancel(true);
    verify(startTask).await();
}