com.vmware.photon.controller.housekeeper.helpers.xenon.TestEnvironment.java Source code

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Here is the source code for com.vmware.photon.controller.housekeeper.helpers.xenon.TestEnvironment.java

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/*
 * Copyright 2015 VMware, Inc. All Rights Reserved.
 *
 * 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.vmware.photon.controller.housekeeper.helpers.xenon;

import com.vmware.photon.controller.cloudstore.SystemConfig;
import com.vmware.photon.controller.common.clients.HostClientFactory;
import com.vmware.photon.controller.common.xenon.CloudStoreHelper;
import com.vmware.photon.controller.common.xenon.MultiHostEnvironment;
import com.vmware.photon.controller.common.xenon.host.PhotonControllerXenonHost;
import com.vmware.photon.controller.common.xenon.host.XenonConfig;
import com.vmware.photon.controller.common.xenon.scheduler.TaskSchedulerServiceStateBuilder;
import com.vmware.photon.controller.housekeeper.xenon.HousekeeperServiceGroup;
import com.vmware.photon.controller.nsxclient.NsxClientFactory;

import org.apache.commons.io.FileUtils;
import static org.mockito.Mockito.mock;
import static org.testng.Assert.assertTrue;

import java.io.File;
import java.util.concurrent.TimeUnit;

/**
 * TestMachine class hosting a Xenon host.
 */
public class TestEnvironment extends MultiHostEnvironment<PhotonControllerXenonHost> {

    public TestEnvironment(CloudStoreHelper cloudStoreHelper, HostClientFactory hostClientFactory,
            NsxClientFactory nsxClientFactory, int hostCount, boolean isBackgroudPaused) throws Throwable {

        assertTrue(hostCount > 0);
        hosts = new PhotonControllerXenonHost[hostCount];
        for (int i = 0; i < hosts.length; i++) {
            String sandbox = generateStorageSandboxPath();
            FileUtils.forceMkdir(new File(sandbox));

            XenonConfig xenonConfig = new XenonConfig();
            xenonConfig.setBindAddress(BIND_ADDRESS);
            xenonConfig.setPort(0);
            xenonConfig.setStoragePath(sandbox);

            hosts[i] = new PhotonControllerXenonHost(xenonConfig, hostClientFactory, null, nsxClientFactory,
                    cloudStoreHelper);
            HousekeeperServiceGroup housekeeperServiceGroup = new HousekeeperServiceGroup();
            hosts[i].registerHousekeeper(housekeeperServiceGroup);
            SystemConfig.createInstance(hosts[i]);
        }

        TaskSchedulerServiceStateBuilder.triggerInterval = TimeUnit.MILLISECONDS.toMicros(500);
    }

    /**
     * This class implements a builder for {@link TestEnvironment} objects.
     */
    public static class Builder {
        CloudStoreHelper cloudStoreHelper;
        HostClientFactory hostClientFactory;
        NsxClientFactory nsxClientFactory;
        Integer hostCount;
        boolean isBackgroundPaused;

        public Builder cloudStoreHelper(CloudStoreHelper helper) {
            this.cloudStoreHelper = helper;
            return this;
        }

        public Builder hostClientFactory(HostClientFactory factory) {
            this.hostClientFactory = factory;
            return this;
        }

        public Builder nsxClientFactory(NsxClientFactory factory) {
            this.nsxClientFactory = factory;
            return this;
        }

        public Builder hostCount(int hostCount) {
            this.hostCount = hostCount;
            return this;
        }

        public Builder isBackgroundPaused(boolean isBackgroundPause) {
            this.isBackgroundPaused = isBackgroundPause;
            return this;
        }

        /**
         * Create instance of TestEnvironment with specified count of hosts and start all hosts.
         *
         * @return
         * @throws Throwable
         */
        public TestEnvironment build() throws Throwable {
            if (null == this.hostCount) {
                throw new IllegalArgumentException("Host count is required");
            }

            CloudStoreHelper cloudStoreHelper = this.cloudStoreHelper;
            if (cloudStoreHelper == null) {
                cloudStoreHelper = mock(CloudStoreHelper.class);
            }

            HostClientFactory hostClientFactory = this.hostClientFactory;
            if (hostClientFactory == null) {
                hostClientFactory = mock(HostClientFactory.class);
            }

            NsxClientFactory nsxClientFactory = this.nsxClientFactory;
            if (nsxClientFactory == null) {
                nsxClientFactory = mock(NsxClientFactory.class);
            }

            TestEnvironment testEnvironment = new TestEnvironment(cloudStoreHelper, hostClientFactory,
                    nsxClientFactory, this.hostCount, this.isBackgroundPaused);
            testEnvironment.start();

            return testEnvironment;
        }
    }
}