Examples of org.jclouds.ssh.SshClient.exec()

org.jclouds.ssh.SshClient.exec()
Execute a process and block until it is complete @param command command line to invoke @return output of the command

      try {
         for (int i = 0; i < 100; i++) {
            futures.add(userExecutor.submit(new Callable<ExecResponse>() {
               @Override
               public ExecResponse call() {
                  ExecResponse response = client.exec("hostname");
                  //System.out.println("completed (concurrently) "+count.incrementAndGet());
                  return response;
                  
               }
            }));

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   protected void doConnectViaSsh(Server server, LoginCredentials creds) throws IOException {
      SshClient ssh = Guice.createInjector(new SshjSshClientModule()).getInstance(SshClient.Factory.class).create(
               HostAndPort.fromParts(server.getVnc().getIp(), 22), creds);
      try {
         ssh.connect();
         ExecResponse hello = ssh.exec("echo hello");
         assertEquals(hello.getOutput().trim(), "hello");
         System.err.println(ssh.exec("df -k").getOutput());
         System.err.println(ssh.exec("mount").getOutput());
         System.err.println(ssh.exec("uname -a").getOutput());
      } finally {

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               HostAndPort.fromParts(server.getVnc().getIp(), 22), creds);
      try {
         ssh.connect();
         ExecResponse hello = ssh.exec("echo hello");
         assertEquals(hello.getOutput().trim(), "hello");
         System.err.println(ssh.exec("df -k").getOutput());
         System.err.println(ssh.exec("mount").getOutput());
         System.err.println(ssh.exec("uname -a").getOutput());
      } finally {
         if (ssh != null)
            ssh.disconnect();

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      try {
         ssh.connect();
         ExecResponse hello = ssh.exec("echo hello");
         assertEquals(hello.getOutput().trim(), "hello");
         System.err.println(ssh.exec("df -k").getOutput());
         System.err.println(ssh.exec("mount").getOutput());
         System.err.println(ssh.exec("uname -a").getOutput());
      } finally {
         if (ssh != null)
            ssh.disconnect();
      }

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         ssh.connect();
         ExecResponse hello = ssh.exec("echo hello");
         assertEquals(hello.getOutput().trim(), "hello");
         System.err.println(ssh.exec("df -k").getOutput());
         System.err.println(ssh.exec("mount").getOutput());
         System.err.println(ssh.exec("uname -a").getOutput());
      } finally {
         if (ssh != null)
            ssh.disconnect();
      }
   }

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   protected void doCheckJavaIsInstalledViaSsh(NodeMetadata node, String taskName) throws IOException {
      SshClient ssh = view.utils().sshForNode().apply(node);
      try {
         ssh.connect();
         ExecResponse hello = ssh.exec("echo hello");
         assertEquals(hello.getOutput().trim(), "hello");
         ExecResponse exec = ssh.exec("java -version");
         assert exec.getError().indexOf("OpenJDK") != -1 || exec.getOutput().indexOf("OpenJDK") != -1 : exec
               + "\n"
               + ssh.exec("cat /tmp/" + taskName + "/" + taskName + ".sh /tmp/" + taskName + "/stdout.log /tmp/"

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      SshClient ssh = view.utils().sshForNode().apply(node);
      try {
         ssh.connect();
         ExecResponse hello = ssh.exec("echo hello");
         assertEquals(hello.getOutput().trim(), "hello");
         ExecResponse exec = ssh.exec("java -version");
         assert exec.getError().indexOf("OpenJDK") != -1 || exec.getOutput().indexOf("OpenJDK") != -1 : exec
               + "\n"
               + ssh.exec("cat /tmp/" + taskName + "/" + taskName + ".sh /tmp/" + taskName + "/stdout.log /tmp/"
                     + taskName + "/stderr.log");
      } finally {

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         ExecResponse hello = ssh.exec("echo hello");
         assertEquals(hello.getOutput().trim(), "hello");
         ExecResponse exec = ssh.exec("java -version");
         assert exec.getError().indexOf("OpenJDK") != -1 || exec.getOutput().indexOf("OpenJDK") != -1 : exec
               + "\n"
               + ssh.exec("cat /tmp/" + taskName + "/" + taskName + ".sh /tmp/" + taskName + "/stdout.log /tmp/"
                     + taskName + "/stderr.log");
      } finally {
         if (ssh != null)
            ssh.disconnect();
      }

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   protected void doCheckJavaIsInstalledViaSsh(NodeMetadata node, String taskName) throws IOException {
      SshClient ssh = view.utils().sshForNode().apply(node);
      try {
         ssh.connect();
         ExecResponse hello = ssh.exec("echo hello");
         assertEquals(hello.getOutput().trim(), "hello");
         ExecResponse exec = ssh.exec("java -version");
         assert exec.getError().indexOf("OpenJDK") != -1 || exec.getOutput().indexOf("OpenJDK") != -1 : exec
               + "\n"
               + ssh.exec("cat /tmp/" + taskName + "/" + taskName + ".sh /tmp/" + taskName + "/stdout.log /tmp/"

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      SshClient ssh = view.utils().sshForNode().apply(node);
      try {
         ssh.connect();
         ExecResponse hello = ssh.exec("echo hello");
         assertEquals(hello.getOutput().trim(), "hello");
         ExecResponse exec = ssh.exec("java -version");
         assert exec.getError().indexOf("OpenJDK") != -1 || exec.getOutput().indexOf("OpenJDK") != -1 : exec
               + "\n"
               + ssh.exec("cat /tmp/" + taskName + "/" + taskName + ".sh /tmp/" + taskName + "/stdout.log /tmp/"
                     + taskName + "/stderr.log");
      } finally {

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