Examples with Instance org.eclipse.che.api.machine.server.spi.Instance used on opensource projects

Example 41 with Instance

use of org.eclipse.che.api.machine.server.spi.Instance in project che by eclipse.

the class CheEnvironmentEngine method startMachine.

/**
     * Starts machine in running environment.
     *
     * @param workspaceId
     *         ID of workspace that owns environment in which machine should be started
     * @param machineConfig
     *         configuration of machine that should be started
     * @return running machine
     * @throws EnvironmentNotRunningException
     *         if environment is not running
     * @throws NotFoundException
     *         if provider of machine implementation is not found
     * @throws ConflictException
     *         if machine with the same name already exists in the environment
     * @throws ServerException
     *         if any other error occurs
     */
public Instance startMachine(String workspaceId, MachineConfig machineConfig, List<String> agents) throws ServerException, NotFoundException, ConflictException, EnvironmentException {
    MachineConfig machineConfigCopy = new MachineConfigImpl(machineConfig);
    EnvironmentHolder environmentHolder;
    try (@SuppressWarnings("unused") Unlocker u = stripedLocks.readLock(workspaceId)) {
        environmentHolder = environments.get(workspaceId);
        if (environmentHolder == null || environmentHolder.status != EnvStatus.RUNNING) {
            throw new EnvironmentNotRunningException(format("Environment '%s' is not running", workspaceId));
        }
        for (Instance machine : environmentHolder.machines) {
            if (machine.getConfig().getName().equals(machineConfigCopy.getName())) {
                throw new ConflictException(format("Machine with name '%s' already exists in environment of workspace '%s'", machineConfigCopy.getName(), workspaceId));
            }
        }
    }
    final String creator = EnvironmentContext.getCurrent().getSubject().getUserId();
    final String namespace = EnvironmentContext.getCurrent().getSubject().getUserName();
    MachineImpl machine = MachineImpl.builder().setConfig(machineConfig).setWorkspaceId(workspaceId).setStatus(MachineStatus.CREATING).setEnvName(environmentHolder.name).setOwner(creator).build();
    MachineStarter machineStarter;
    if ("docker".equals(machineConfig.getType())) {
        // needed to reuse startInstance method and
        // create machine instances by different implementation-specific providers
        CheServiceImpl service = machineConfigToService(machineConfig);
        normalize(namespace, workspaceId, machineConfig.getName(), service);
        machine.setId(service.getId());
        machineStarter = (machineLogger, machineSource) -> {
            CheServiceImpl serviceWithNormalizedSource = normalizeServiceSource(service, machineSource);
            normalize(namespace, workspaceId, machineConfig.getName(), serviceWithNormalizedSource);
            infrastructureProvisioner.provision(new ExtendedMachineImpl().withAgents(agents), serviceWithNormalizedSource);
            return machineProvider.startService(namespace, workspaceId, environmentHolder.name, machineConfig.getName(), machineConfig.isDev(), environmentHolder.networkId, serviceWithNormalizedSource, machineLogger);
        };
    } else {
        try {
            InstanceProvider provider = machineInstanceProviders.getProvider(machineConfig.getType());
            machine.setId(generateMachineId());
            addAgentsProvidedServers(machine, agents);
            machineStarter = (machineLogger, machineSource) -> {
                Machine machineWithNormalizedSource = normalizeMachineSource(machine, machineSource);
                return provider.createInstance(machineWithNormalizedSource, machineLogger);
            };
        } catch (NotFoundException e) {
            throw new NotFoundException(format("Provider of machine type '%s' not found", machineConfig.getType()));
        }
    }
    return startInstance(false, environmentHolder.logger, machine, machineStarter);
}

Example 42 with Instance

use of org.eclipse.che.api.machine.server.spi.Instance in project che by eclipse.

the class CheEnvironmentEngine method stop.

/**
     * Stops running environment of specified workspace.
     *
     * @param workspaceId
     *         ID of workspace that owns environment
     * @throws EnvironmentNotRunningException
     *         when environment is not running
     * @throws ServerException
     *         if other error occurs
     */
public void stop(String workspaceId) throws EnvironmentNotRunningException, ServerException {
    List<Instance> machinesCopy;
    EnvironmentHolder environmentHolder;
    try (@SuppressWarnings("unused") Unlocker u = stripedLocks.readLock(workspaceId)) {
        environmentHolder = environments.get(workspaceId);
        if (environmentHolder == null || environmentHolder.status != EnvStatus.RUNNING) {
            throw new EnvironmentNotRunningException(format("Stop of not running environment of workspace with ID '%s' is not allowed.", workspaceId));
        }
        List<Instance> machines = environmentHolder.machines;
        if (machines != null && !machines.isEmpty()) {
            machinesCopy = new ArrayList<>(machines);
        } else {
            machinesCopy = emptyList();
        }
    }
    // long operation - perform out of lock
    destroyEnvironment(environmentHolder.networkId, machinesCopy);
    try (@SuppressWarnings("unused") Unlocker u = stripedLocks.writeLock(workspaceId)) {
        environments.remove(workspaceId);
    }
}

Example 43 with Instance

use of org.eclipse.che.api.machine.server.spi.Instance in project che by eclipse.

the class CheEnvironmentEngine method stopMachine.

/**
     * Stops machine in running environment.
     *
     * @param workspaceId
     *         ID of workspace of environment that owns machine
     * @param machineId
     *         ID of machine that should be stopped
     * @throws NotFoundException
     *         if machine in not found in environment
     * @throws EnvironmentNotRunningException
     *         if environment is not running
     * @throws ConflictException
     *         if stop of dev machine is requested
     * @throws ServerException
     *         if other error occurs
     */
public void stopMachine(String workspaceId, String machineId) throws NotFoundException, ServerException, ConflictException {
    Instance targetMachine = null;
    try (@SuppressWarnings("unused") Unlocker u = stripedLocks.writeLock(workspaceId)) {
        EnvironmentHolder environmentHolder = environments.get(workspaceId);
        if (environmentHolder == null || environmentHolder.status != EnvStatus.RUNNING) {
            throw new EnvironmentNotRunningException(format("Environment '%s' is not running", workspaceId));
        }
        for (Instance machine : environmentHolder.machines) {
            if (machine.getId().equals(machineId)) {
                if (machine.getConfig().isDev()) {
                    throw new ConflictException("Stop of dev machine is not allowed. Please, stop whole environment");
                }
                targetMachine = machine;
                break;
            }
        }
        environmentHolder.machines.remove(targetMachine);
    }
    if (targetMachine == null) {
        throw new NotFoundException(format("Machine with ID '%s' is not found in environment of workspace '%s'", machineId, workspaceId));
    }
    // out of lock to prevent blocking by potentially long-running method
    destroyMachine(targetMachine);
}

Example 44 with Instance

use of org.eclipse.che.api.machine.server.spi.Instance in project che by eclipse.

the class WorkspaceRuntimes method startMachine.

/**
     * Starts machine in running workspace.
     *
     * @param workspaceId
     *         ID of workspace that owns machine
     * @param machineConfig
     *         config of machine that should be started
     * @return running machine
     * @throws ConflictException
     *         if environment is not running or conflicting machine already exists in the environment
     * @throws ConflictException
     *         if environment was stopped during start of machine
     * @throws ServerException
     *         if any other error occurs
     */
public Instance startMachine(String workspaceId, MachineConfig machineConfig) throws ServerException, ConflictException, NotFoundException, EnvironmentException {
    try (@SuppressWarnings("unused") Unlocker u = locks.readLock(workspaceId)) {
        getRunningState(workspaceId);
    }
    // Copy constructor makes deep copy of objects graph
    // which means that original values won't affect the values in used further in this class
    MachineConfigImpl machineConfigCopy = new MachineConfigImpl(machineConfig);
    List<String> agents = Collections.singletonList("org.eclipse.che.terminal");
    Instance instance = envEngine.startMachine(workspaceId, machineConfigCopy, agents);
    launchAgents(instance, agents);
    try (@SuppressWarnings("unused") Unlocker u = locks.writeLock(workspaceId)) {
        checkIsNotTerminated("start the machine");
        RuntimeState workspaceState = states.get(workspaceId);
        if (workspaceState == null || workspaceState.status != RUNNING) {
            try {
                envEngine.stopMachine(workspaceId, instance.getId());
            } catch (NotFoundException | ServerException | ConflictException e) {
                LOG.error(e.getLocalizedMessage(), e);
            }
            throw new ConflictException(format("Environment of workspace '%s' was stopped during start of  machine", workspaceId));
        }
    }
    return instance;
}

Example 45 with Instance

use of org.eclipse.che.api.machine.server.spi.Instance in project che by eclipse.

the class CheEnvironmentEngine method saveSnapshot.

/**
     * Saves machine into snapshot.
     *
     * @param workspaceId
     *         ID of workspace that owns environment
     * @param machineId
     *         ID of machine to save
     * @return snapshot
     * @throws EnvironmentNotRunningException
     *         if environment of machine is not running
     * @throws NotFoundException
     *         if machine is not running
     * @throws ServerException
     *         if another error occurs
     */
public SnapshotImpl saveSnapshot(String workspaceId, String machineId) throws ServerException, NotFoundException {
    EnvironmentHolder environmentHolder;
    SnapshotImpl snapshot = null;
    Instance instance = null;
    try (@SuppressWarnings("unused") Unlocker u = stripedLocks.readLock(workspaceId)) {
        environmentHolder = environments.get(workspaceId);
        if (environmentHolder == null || environmentHolder.status != EnvStatus.RUNNING) {
            throw new EnvironmentNotRunningException(format("Environment '%s' is not running", workspaceId));
        }
        for (Instance machine : environmentHolder.machines) {
            if (machine.getId().equals(machineId)) {
                instance = machine;
                snapshot = SnapshotImpl.builder().generateId().setType(machine.getConfig().getType()).setWorkspaceId(machine.getWorkspaceId()).setDescription(machine.getEnvName()).setDev(machine.getConfig().isDev()).setEnvName(machine.getEnvName()).setMachineName(machine.getConfig().getName()).useCurrentCreationDate().build();
            }
        }
    }
    if (instance == null) {
        throw new NotFoundException(format("Machine with id '%s' is not found in environment of workspace '%s'", machineId, workspaceId));
    }
    try {
        MachineSource machineSource = instance.saveToSnapshot();
        snapshot.setMachineSource(new MachineSourceImpl(machineSource));
        return snapshot;
    } catch (ServerException e) {
        try {
            instance.getLogger().writeLine("Snapshot storing failed. " + e.getLocalizedMessage());
        } catch (IOException ignore) {
        }
        throw e;
    }
}