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

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Here is the source code for com.vmware.photon.controller.provisioner.xenon.helpers.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.provisioner.xenon.helpers;

import com.vmware.photon.controller.common.xenon.MultiHostEnvironment;
import com.vmware.photon.controller.common.xenon.host.XenonConfig;
import com.vmware.photon.controller.provisioner.xenon.ProvisionerXenonHost;

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

import java.io.BufferedReader;
import java.io.File;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;

/**
 * TestMachine class hosting a Xenon host.
 */
public class TestEnvironment extends MultiHostEnvironment<ProvisionerXenonHost> {
    private TestEnvironment(int hostCount) throws Throwable {
        assertTrue(hostCount > 0);
        hosts = new ProvisionerXenonHost[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 ProvisionerXenonHost(xenonConfig);
        }
    }

    /**
     * Create instance of TestEnvironment with specified count of hosts and start all hosts.
     *
     * @return
     * @throws Throwable
     */
    public static TestEnvironment create(int hostCount) throws Throwable {
        TestEnvironment testEnvironment = new TestEnvironment(hostCount);
        testEnvironment.start();
        return testEnvironment;
    }

    public static void killUnixProcessesByName(String name) {
        List<Long> processIds = findUnixProcessIds("-e", name);
        for (Long pid : processIds) {
            try {
                Runtime.getRuntime().exec("kill " + pid);
            } catch (Throwable ex) {
                ;
            }
        }
    }

    public static List<Long> findUnixProcessIds(String filter, String name) {
        ArrayList processes = new ArrayList();

        try {
            String cmd = String.format("ps -o ppid,pid,ucomm %s", new Object[] { filter });
            Process p = Runtime.getRuntime().exec(cmd);
            BufferedReader input = new BufferedReader(new InputStreamReader(p.getInputStream(), "UTF-8"));
            input.readLine();

            while (true) {
                String[] columns;
                String ucomm;
                do {
                    String line;

                    if ((line = input.readLine()) == null) {
                        input.close();
                        return processes;
                    }

                    columns = line.trim().split("\\s+", 3);
                    ucomm = columns[2].trim();
                    if (name.startsWith(ucomm)) {
                        int i = 0;
                    }
                } while (name != null && !ucomm.equalsIgnoreCase(name));

                try {
                    Long pid = Long.valueOf(Long.parseLong(columns[1].trim()));
                    processes.add(pid);
                } catch (Throwable ex11) {
                    ;
                }
            }
        } catch (Throwable ex12) {
            return processes;
        }
    }
}