Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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 org.apache.kylin.common.util; import static org.junit.Assert.*; import java.io.File; import java.io.IOException; import org.apache.hadoop.fs.FileUtil; import org.apache.kylin.common.KylinConfig; import org.junit.After; import org.junit.Before; import org.junit.Test; /** * @author ysong1 * */ public class SSHClientTest extends LocalFileMetadataTestCase { private boolean isRemote; private String hostname; private String username; private String password; private void loadPropertiesFile() throws IOException { KylinConfig cfg = KylinConfig.getInstanceFromEnv(); this.isRemote = cfg.getRunAsRemoteCommand(); this.hostname = cfg.getRemoteHadoopCliHostname(); this.username = cfg.getRemoteHadoopCliUsername(); this.password = cfg.getRemoteHadoopCliPassword(); } @Before public void before() throws Exception { this.createTestMetadata(); loadPropertiesFile(); } @After public void after() throws Exception { this.cleanupTestMetadata(); } @Test public void testCmd() throws Exception { if (isRemote == false) return; SSHClient ssh = new SSHClient(this.hostname, this.username, this.password); SSHClientOutput output = ssh.execCommand("echo hello"); assertEquals(0, output.getExitCode()); assertEquals("hello\n", output.getText()); } @Test public void testScp() throws Exception { if (isRemote == false) return; SSHClient ssh = new SSHClient(this.hostname, this.username, this.password); File tmpFile = FileUtil.createLocalTempFile(new File("/tmp/test_scp"), "temp_", false); ssh.scpFileToRemote(tmpFile.getAbsolutePath(), "/tmp"); } }