com.netflix.spinnaker.halyard.cli.command.v1.AbstractRemoteActionCommand.java Source code

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/*
 * Copyright 2017 Google, Inc.
 *
 * 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.netflix.spinnaker.halyard.cli.command.v1;

import com.amazonaws.util.StringUtils;
import com.beust.jcommander.Parameter;
import com.beust.jcommander.Parameters;
import com.netflix.spinnaker.halyard.cli.command.v1.config.AbstractConfigCommand;
import com.netflix.spinnaker.halyard.cli.services.v1.OperationHandler;
import com.netflix.spinnaker.halyard.cli.ui.v1.AnsiParagraphBuilder;
import com.netflix.spinnaker.halyard.cli.ui.v1.AnsiStoryBuilder;
import com.netflix.spinnaker.halyard.cli.ui.v1.AnsiStyle;
import com.netflix.spinnaker.halyard.cli.ui.v1.AnsiUi;
import com.netflix.spinnaker.halyard.core.RemoteAction;
import com.netflix.spinnaker.halyard.core.job.v1.JobExecutor;
import com.netflix.spinnaker.halyard.core.job.v1.JobRequest;
import com.netflix.spinnaker.halyard.core.job.v1.JobStatus;

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.TimeUnit;

@Parameters(separators = "=")
abstract public class AbstractRemoteActionCommand extends AbstractConfigCommand {
    @Parameter(names = "--auto-run", arity = 1, description = "This command will generate a script to be run on your behalf. By default, the script will run "
            + "without intervention - if you want to override this, provide \"true\" or \"false\" to this flag.")
    Boolean autoRun;

    abstract protected OperationHandler<RemoteAction> getRemoteAction();

    @Override
    protected void executeThis() {
        RemoteAction result = getRemoteAction().get();
        String scriptPath = result.getScriptPath();

        if (StringUtils.isNullOrEmpty(scriptPath)) {
            throw new RuntimeException("Expected a script to run, none provided.");
        }

        boolean shouldRun;
        if (autoRun == null) {
            shouldRun = result.isAutoRun();
        } else {
            shouldRun = result.isAutoRun() && autoRun;
        }

        if (!shouldRun) {
            AnsiStoryBuilder storyBuilder = new AnsiStoryBuilder();

            AnsiParagraphBuilder paragraphBuilder = storyBuilder.addParagraph();
            paragraphBuilder.addSnippet(result.getScriptDescription());
            storyBuilder.addNewline();

            paragraphBuilder = storyBuilder.addParagraph();
            paragraphBuilder.addSnippet("Please run the following script:");
            storyBuilder.addNewline();

            paragraphBuilder = storyBuilder.addParagraph();
            paragraphBuilder.addSnippet(result.getScriptPath()).addStyle(AnsiStyle.UNDERLINE);

            AnsiUi.raw(storyBuilder.toString());
        } else {
            List<String> command = new ArrayList<>();
            command.add(scriptPath);
            JobRequest request = new JobRequest().setTokenizedCommand(command);
            JobExecutor executor = getJobExecutor();
            String jobId = executor.startJobFromStandardStreams(request);

            JobStatus status = executor.backoffWait(jobId, 100, TimeUnit.SECONDS.toMillis(2));

            if (status.getResult() != JobStatus.Result.SUCCESS) {
                AnsiUi.error("Error encountered running script. See above output for more details.");
                System.exit(1);
            }
        }
    }
}