com.vmware.photon.controller.deployer.xenon.util.VibUtils.java Source code

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Here is the source code for com.vmware.photon.controller.deployer.xenon.util.VibUtils.java

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/*
 * Copyright 2016 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.deployer.xenon.util;

import com.vmware.photon.controller.cloudstore.xenon.entity.HostService;
import com.vmware.photon.controller.common.xenon.ServiceUtils;
import com.vmware.photon.controller.deployer.deployengine.ScriptRunner;
import com.vmware.photon.controller.deployer.xenon.DeployerContext;
import com.vmware.xenon.common.Service;

import org.apache.commons.io.FileUtils;

import java.io.File;
import java.util.Arrays;
import java.util.List;
import java.util.UUID;
import java.util.function.Consumer;

/**
 * This class contains utilities to upload/install/remove vibs.
 */
public class VibUtils {

    /**
     * This string specifies the script which is used to install a VIB.
     */
    public static final String DELETE_VIB_SCRIPT_NAME = "esx-delete-agent2";

    public static Runnable removeVibs(HostService.State hostState, Service service,
            Consumer<Throwable> completion) {

        return new Runnable() {

            @Override
            public void run() {
                try {
                    DeployerContext deployerContext = HostUtils.getDeployerContext(service);
                    for (String vibName : deployerContext.getVibUninstallOrder()) {
                        ServiceUtils.logInfo(service, "Uninstalling vib [%s] from host [%s]", vibName,
                                hostState.hostAddress);
                        List<String> command = Arrays.asList("./" + DELETE_VIB_SCRIPT_NAME, hostState.hostAddress,
                                hostState.userName, hostState.password, vibName);

                        File scriptLogFile = new File(deployerContext.getScriptLogDirectory(),
                                DELETE_VIB_SCRIPT_NAME + "-" + hostState.hostAddress + "-"
                                        + UUID.randomUUID().toString() + ".log");

                        ScriptRunner scriptRunner = new ScriptRunner.Builder(command,
                                deployerContext.getScriptTimeoutSec())
                                        .directory(deployerContext.getScriptDirectory())
                                        .redirectOutput(ProcessBuilder.Redirect.to(scriptLogFile))
                                        .redirectErrorStream(true).build();

                        int scriptReturnCode = scriptRunner.call();

                        if (scriptReturnCode != 0) {
                            ServiceUtils.logSevere(service,
                                    DELETE_VIB_SCRIPT_NAME + " returned " + scriptReturnCode);
                            ServiceUtils.logSevere(service,
                                    "Script output: " + FileUtils.readFileToString(scriptLogFile));
                            throw new IllegalStateException("Installing VIB file " + vibName + " to host "
                                    + hostState.hostAddress + " failed with exit code " + scriptReturnCode);
                        }
                    }
                } catch (Throwable t) {
                    completion.accept(t);
                }
                completion.accept(null);
            }

        };
    }

}