io.etcd.jetcd.launcher.maven.StartMojo Maven / Gradle / Ivy

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/*
 * Copyright 2016-2020 The jetcd authors
 *
 * 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 io.etcd.jetcd.launcher.maven;

import java.io.File;
import java.io.IOException;
import java.net.URI;

import com.google.common.io.Files;
import io.etcd.jetcd.launcher.EtcdClusterFactory;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.plugins.annotations.LifecyclePhase;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import static com.google.common.base.Charsets.US_ASCII;

/**
 * Starts etcd launcher.
 *
 * @author Michael Vorburger.ch
 */
@Mojo(name = "start", requiresProject = false, defaultPhase = LifecyclePhase.PRE_INTEGRATION_TEST)
public class StartMojo extends AbstractMojo {

    private static final Logger LOG = LoggerFactory.getLogger(StartMojo.class);

    private static final String[] EMPTY = new String[0];

    @Parameter(required = true, defaultValue = "target/jetcd-launcher-maven-plugin/endpoint")
    private File endpointFile;

    /**
     * Additional
     * arguments to pass to etcd.
     */
    @Parameter(required = false)
    private String[] additionalArguments;

    @Override
    public void execute() throws MojoExecutionException, MojoFailureException {
        Singleton.etcd = EtcdClusterFactory.buildCluster("maven", 1, false,
            additionalArguments != null ? additionalArguments : EMPTY);
        Singleton.etcd.start();

        URI endpoint = Singleton.etcd.getClientEndpoints().get(0);
        try {
            endpointFile.getParentFile().mkdirs();
            Files.asCharSink(endpointFile, US_ASCII).write(endpoint.toString());
            LOG.info("{} = {}", endpointFile, endpoint);
        } catch (IOException e) {
            throw new MojoFailureException("writing file failed", e);
        }
    }
}