Examples with BindingScope org.platformlayer.ops.BindingScope used on opensource projects

Example 1 with BindingScope

use of org.platformlayer.ops.BindingScope in project platformlayer by platformlayer.

the class OperationInvoker method invoke.

public void invoke(Object controller) throws IllegalArgumentException, IllegalAccessException, InvocationTargetException {
    final BindingScope scope = BindingScope.get();
    Method method = findTargetMethod(controller, scope);
    if (method == null) {
        throw new IllegalStateException("Cannot find handler for operation on " + controller.getClass());
    }
    MethodInvoker invoker = invokerProvider.get();
    if (scope != null) {
        invoker.addProvider(new Function<Class<?>, Object>() {

            @Override
            public Object apply(Class<?> clazz) {
                return scope.getInstance(clazz);
            }
        });
    }
    invoker.invokeMethod(controller, method);
}

Example 2 with BindingScope

use of org.platformlayer.ops.BindingScope in project platformlayer by platformlayer.

the class OperationWorker method doOperation.

Object doOperation() throws OpsException {
    final Action action = activeJob.getAction();
    final PlatformLayerKey targetItemKey = activeJob.getTargetItemKey();
    RenameThread rename = new RenameThread(action.getClass().getSimpleName() + " " + targetItemKey);
    try {
        OpsContextBuilder opsContextBuilder = opsSystem.getInjector().getInstance(OpsContextBuilder.class);
        final ProjectAuthorization project = activeJob.getProjectAuthorization();
        final OpsContext opsContext = opsContextBuilder.buildOpsContext(activeJob);
        final ServiceType serviceType = activeJob.getServiceType();
        final ServiceProvider serviceProvider = opsSystem.getServiceProvider(serviceType);
        try {
            return OpsContext.runInContext(opsContext, new CheckedCallable<Object, Exception>() {

                @Override
                public Object call() throws Exception {
                    log.info("Starting job");
                    activeJob.setState(JobState.RUNNING);
                    ItemBase item;
                    ManagedItemRepository repository = opsSystem.getManagedItemRepository();
                    try {
                        boolean fetchTags = true;
                        item = repository.getManagedItem(targetItemKey, fetchTags, SecretProvider.from(project));
                    } catch (RepositoryException e) {
                        throw new OpsException("Error reading item from repository", e);
                    }
                    if (item == null) {
                        throw new WebApplicationException(404);
                    }
                    List<Object> scopeItems = Lists.newArrayList();
                    addActionScopeItems(action, item, scopeItems);
                    Object controller = serviceProvider.getController(item);
                    scopeItems.add(item);
                    scopeItems.add(action);
                    BindingScope scope = BindingScope.push(scopeItems);
                    opsContext.recurseOperation(scope, controller);
                    // TODO: Should we run a verify operation before -> ACTIVE??
                    // (we need to fix the states as well)
                    ManagedItemState newState = finishAction(action, scope);
                    if (newState != null) {
                        repository.changeState(targetItemKey, newState);
                        item.state = newState;
                    }
                    log.info("Job finished with SUCCESS");
                    activeJob.setState(JobState.SUCCESS);
                    return null;
                }

                private ManagedItemState finishAction(Action action, BindingScope scope) throws OpsException {
                    ManagedItemState newState = null;
                    if (action instanceof ConfigureAction) {
                        newState = ManagedItemState.ACTIVE;
                    }
                    if (action instanceof ValidateAction) {
                    // TODO: Change state to healthy??
                    }
                    if (action instanceof DeleteAction) {
                        newState = ManagedItemState.DELETED;
                    }
                    if (action instanceof BackupAction) {
                        BackupContext backupContext = scope.getInstance(BackupContext.class);
                        backupContext.writeDescriptor();
                    }
                    return newState;
                }

                private void addActionScopeItems(Action action, ItemBase item, List<Object> scopeItems) throws OpsException {
                    if (action instanceof BackupAction) {
                        // TODO: Don't hard-code this
                        BackupHelpers backupHelpers = opsSystem.getInjector().getInstance(BackupHelpers.class);
                        BackupContext backupContext = backupHelpers.createBackupContext(item);
                        scopeItems.add(backupContext);
                    }
                }
            });
        } catch (Throwable e) {
            log.warn("Error running operation", e);
            log.warn("Job finished with FAILED");
            // boolean isDone = false; // We will retry
            activeJob.setState(JobState.FAILED);
            TimeSpan retry = null;
            HasRetryInfo retryInfo = ExceptionHelpers.findRetryInfo(e);
            if (retryInfo != null) {
                retry = retryInfo.getRetry();
            }
            if (retry == null) {
                // TODO: Eventually give up??
                retry = ApplicationMode.isDevelopment() ? TimeSpan.ONE_MINUTE : TimeSpan.FIVE_MINUTES;
            }
            // TODO: State transition??
            // managedItem.setState(ManagedItemState.ACTIVE, true);
            log.warn("Scheduling retry in " + retry);
            activeJob.enqueueRetry(retry);
            return null;
        } finally {
            try {
                activeJob.recordJobEnd();
            } catch (OpsException e) {
                log.error("Error recording job in registry", e);
            }
        }
    } finally {
        IoUtils.safeClose(rename);
    }
}

Example 3 with BindingScope

use of org.platformlayer.ops.BindingScope in project platformlayer by platformlayer.

the class DirectTarget method doRecurseOperation.

@Override
public void doRecurseOperation() throws OpsException {
    Machine machine = new OpaqueMachine(address);
    OpsTarget target = machine.getTarget(sshKey);
    BindingScope scope = BindingScope.push(machine, target);
    try {
        OpsContext opsContext = OpsContext.get();
        OperationRecursor.doRecurseChildren(opsContext, this);
    } finally {
        scope.pop();
    }
}

Example 4 with BindingScope

use of org.platformlayer.ops.BindingScope in project platformlayer by platformlayer.

the class MachineResolver method doRecurseOperation.

@Override
public void doRecurseOperation() throws OpsException {
    ItemBase dest = platformLayerHelpers.getItem(key);
    boolean required = !OpsContext.isDelete();
    for (Machine machine : instanceHelpers.getMachines(dest, required)) {
        OpsTarget target = instanceHelpers.getTarget(dest, machine);
        BindingScope scope = BindingScope.push(machine, target);
        try {
            OpsContext opsContext = OpsContext.get();
            OperationRecursor.doRecurseChildren(opsContext, this);
        } finally {
            scope.pop();
        }
    }
}

Example 5 with BindingScope

use of org.platformlayer.ops.BindingScope in project platformlayer by platformlayer.

the class MetricsResource method listMetrics.

@GET
@Produces({ XML, JSON })
public MetricInfoCollection listMetrics() throws OpsException, RepositoryException {
    final ItemBase managedItem = getManagedItem();
    final ServiceProvider serviceProvider = getServiceProvider();
    OpsContextBuilder opsContextBuilder = objectInjector.getInstance(OpsContextBuilder.class);
    final OpsContext opsContext = opsContextBuilder.buildTemporaryOpsContext(getServiceType(), getProjectAuthorization());
    return OpsContext.runInContext(opsContext, new CheckedCallable<MetricInfoCollection, Exception>() {

        @Override
        public MetricInfoCollection call() throws Exception {
            BindingScope bindingScope = BindingScope.push(managedItem, managedItem);
            try {
                Object controller = serviceProvider.getController(managedItem);
                MetricConfig metricConfig = opsContext.getMetricInfo(controller);
                return MetricCollector.toMetricInfo(metricConfig);
            } finally {
                bindingScope.pop();
            }
        }
    });
}