I created solution based on JSch library:
import com.google.common.io.CharStreams
import com.jcraft.jsch.ChannelExec
import com.jcraft.jsch.JSch
import com.jcraft.jsch.JSchException
import com.jcraft.jsch.Session
import static java.util.Arrays.asList
class RunCommandViaSsh {
private static final String SSH_HOST = "test.domain.com"
private static final String SSH_LOGIN = "username"
private static final String SSH_PASSWORD = "password"
public static void main() {
System.out.println(runCommand("pwd"))
System.out.println(runCommand("ls -la"));
}
private static List<String> runCommand(String command) {
Session session = setupSshSession();
session.connect();
ChannelExec channel = (ChannelExec) session.openChannel("exec");
try {
channel.setCommand(command);
channel.setInputStream(null);
InputStream output = channel.getInputStream();
channel.connect();
String result = CharStreams.toString(new InputStreamReader(output));
return asList(result.split("\n"));
} catch (JSchException | IOException e) {
closeConnection(channel, session)
throw new RuntimeException(e)
} finally {
closeConnection(channel, session)
}
}
private static Session setupSshSession() {
Session session = new JSch().getSession(SSH_LOGIN, SSH_HOST, 22);
session.setPassword(SSH_PASSWORD);
session.setConfig("PreferredAuthentications", "publickey,keyboard-interactive,password");
session.setConfig("StrictHostKeyChecking", "no"); // disable check for RSA key
return session;
}
private static void closeConnection(ChannelExec channel, Session session) {
try {
channel.disconnect()
} catch (Exception ignored) {
}
session.disconnect()
}
}