com.spotify.helios.testing.Jobs.java Source code

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Here is the source code for com.spotify.helios.testing.Jobs.java

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/*
 * Copyright (c) 2014 Spotify AB.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package com.spotify.helios.testing;

import com.google.common.util.concurrent.ListenableFuture;

import com.spotify.helios.client.HeliosClient;
import com.spotify.helios.common.descriptors.Job;
import com.spotify.helios.common.descriptors.JobId;
import com.spotify.helios.common.protocol.JobDeleteResponse;
import com.spotify.helios.common.protocol.JobUndeployResponse;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.List;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

import static java.lang.String.format;
import static java.util.concurrent.TimeUnit.MILLISECONDS;

class Jobs {

    private static final Logger log = LoggerFactory.getLogger(Jobs.class);

    static final long TIMEOUT_MILLIS = TimeUnit.MINUTES.toMillis(5);

    static <T> T get(final ListenableFuture<T> future)
            throws InterruptedException, ExecutionException, TimeoutException {
        return get(future, TIMEOUT_MILLIS);
    }

    static <T> T get(final ListenableFuture<T> future, final long timeout)
            throws InterruptedException, ExecutionException, TimeoutException {
        return future.get(timeout, MILLISECONDS);
    }

    static String getJobDescription(final Job job) {
        final String shortHash = job.getId().getHash().substring(0, 7);
        return String.format("%s (Job %s)", job.getImage(), shortHash);
    }

    /**
     * Undeploy the job from all specified hosts, and delete the job. Any failures will be ignored,
     * and we will keep trying each host. A list of errors encountered along the way will be returned
     * to the caller.
     * @param client the HeliosClient to use
     * @param job the job to undeploy and delete
     * @param hosts the hosts to undeploy from
     * @param errors errors encountered during the undeploy will be added to this list
     * @return the list of errors
     */
    static List<AssertionError> undeploy(final HeliosClient client, final Job job, final List<String> hosts,
            final List<AssertionError> errors) {
        final JobId id = job.getId();
        for (final String host : hosts) {
            log.info("Undeploying {} from {}", getJobDescription(job), host);
            final JobUndeployResponse response;
            try {
                response = get(client.undeploy(id, host));
                if (response.getStatus() != JobUndeployResponse.Status.OK
                        && response.getStatus() != JobUndeployResponse.Status.JOB_NOT_FOUND) {
                    errors.add(new AssertionError(format("Failed to undeploy job %s - %s", id, response)));
                }
            } catch (InterruptedException | ExecutionException | TimeoutException e) {
                errors.add(new AssertionError(e));
            }
        }

        try {
            log.debug("Deleting job {}", id);
            final JobDeleteResponse response = get(client.deleteJob(id));
            if (response.getStatus() != JobDeleteResponse.Status.OK
                    && response.getStatus() != JobDeleteResponse.Status.JOB_NOT_FOUND) {
                errors.add(new AssertionError(
                        format("Failed to delete job %s - %s", id.toString(), response.toString())));
            }
        } catch (InterruptedException | ExecutionException | TimeoutException e) {
            errors.add(new AssertionError(e));
        }

        return errors;
    }

}