Java Connection.openSession方法代码示例

import com.trilead.ssh2.Connection; //导入方法依赖的package包/类
/**
 * This method will create and authenticate a session using a public key method. The
 * certificate that will be used is the Autonomiccs default certificated that is installed by
 * default in the Autonomiccs system VM template
 */
protected Session authenticateSshSessionWithPublicKey(Connection sshConnection) throws IOException {
    sshConnection.connect(null, CONNECT_TIMEOUT, CONNECT_TIMEOUT);
    if (!sshConnection.authenticateWithPublicKey("root", certificate, null)) {
        throw new CloudRuntimeException(String.format("Unable to authenticate to (%s)", sshConnection.getHostname()));
    }
    return sshConnection.openSession();
}
 

import com.trilead.ssh2.Connection; //导入方法依赖的package包/类
public static CommunicateResult communicate(Connection connection, Duration timeout, String... command) throws IOException {
    checkNotNull(connection);
    checkNotNull(timeout);
    checkNotNull(command);

    String commandString = quoteCommand(asList(command));
    Session session = connection.openSession();

    try {
        session.execCommand(commandString);

        StreamGobbler stderr = new StreamGobbler(session.getStderr());
        StreamGobbler stdout = new StreamGobbler(session.getStdout());

        try {
            session.waitForCondition(ChannelCondition.EXIT_STATUS, timeout.getMillis());
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
        }

        return new CommunicateResult(
                commandString,
                readAll(stdout, Charsets.UTF_8),
                readAll(stderr, Charsets.UTF_8),
                firstNonNull(session.getExitStatus(), -1000)
        );
    } finally {
        session.close();
    }
}
 

import com.trilead.ssh2.Connection; //导入方法依赖的package包/类
/**
 * Log in the remote host by ssh2 and execute the specified command.
 * 
 * @param cmd
 *            the command will be executed list the result information
 *            printed in the terminal after executing the "cmd" if there
 *            are. errorList the error information printed in the terminal
 *            after executing the "cmd" if there are.
 * @throws RemoteException 
 * 
 * */
public void execCommand(Connection conn, String cmd,
		ArrayList<String> list, ArrayList<String> errorList) throws RemoteException {

	try {
		/* Create a session */
		Session sess = conn.openSession();
		sess.execCommand(cmd);

		/*
		 * get the printed information of stdout and stderr.
		 */
		InputStream stdout = new StreamGobbler(sess.getStdout());
		br = new BufferedReader(new InputStreamReader(stdout));
		InputStream stderr = new StreamGobbler(sess.getStderr());
		errorbr = new BufferedReader(new InputStreamReader(stderr));

		while (true) {
			line = br.readLine();
			if (line == null)
				break;
			list.add(line);
		}

		while (true) {
			errorline = errorbr.readLine();
			if (errorline == null)
				break;
			errorList.add(errorline);
		}

		/* Close this session */
		sess.close();

	} catch (IOException e) {
		throw new RemoteException(e.getMessage());
		
	}
}
 

import com.trilead.ssh2.Connection; //导入方法依赖的package包/类
protected static Session openConnectionSession(final Connection conn) throws IOException {
    return conn.openSession();
}
 

import com.trilead.ssh2.Connection; //导入方法依赖的package包/类
public static void main(String[] args)
{
	String hostname = "127.0.0.1";
	String username = "joe";
	String password = "joespass";

	try
	{
		/* Create a connection instance */

		Connection conn = new Connection(hostname);

		/* Now connect */

		conn.connect();

		/* Authenticate.
		 * If you get an IOException saying something like
		 * "Authentication method password not supported by the server at this stage."
		 * then please check the FAQ.
		 */

		boolean isAuthenticated = conn.authenticateWithPassword(username, password);

		if (isAuthenticated == false)
			throw new IOException("Authentication failed.");

		/* Create a session */

		Session sess = conn.openSession();

		sess.execCommand("uname -a && date && uptime && who");

		System.out.println("Here is some information about the remote host:");

		/* 
		 * This basic example does not handle stderr, which is sometimes dangerous
		 * (please read the FAQ).
		 */

		InputStream stdout = new StreamGobbler(sess.getStdout());

		BufferedReader br = new BufferedReader(new InputStreamReader(stdout));

		while (true)
		{
			String line = br.readLine();
			if (line == null)
				break;
			System.out.println(line);
		}

		/* Show exit status, if available (otherwise "null") */

		System.out.println("ExitCode: " + sess.getExitStatus());

		/* Close this session */

		sess.close();

		/* Close the connection */

		conn.close();

	}
	catch (IOException e)
	{
		e.printStackTrace(System.err);
		System.exit(2);
	}
}
 

import com.trilead.ssh2.Connection; //导入方法依赖的package包/类
public static void main(String[] args)
{
	String hostname = "my-ssh-server";
	String username = "joe";
	String password = "joespass";

	String proxyHost = "192.168.1.1";
	int proxyPort = 3128; // default port used by squid
	
	try
	{
		/* Create a connection instance */

		Connection conn = new Connection(hostname);

		/* We want to connect through a HTTP proxy */
		
		conn.setProxyData(new HTTPProxyData(proxyHost, proxyPort));
		
		// if the proxy requires basic authentication:
		// conn.setProxyData(new HTTPProxyData(proxyHost, proxyPort, "username", "secret"));
		
		/* Now connect (through the proxy) */

		conn.connect();

		/* Authenticate.
		 * If you get an IOException saying something like
		 * "Authentication method password not supported by the server at this stage."
		 * then please check the FAQ.
		 */

		boolean isAuthenticated = conn.authenticateWithPassword(username, password);

		if (isAuthenticated == false)
			throw new IOException("Authentication failed.");

		/* Create a session */

		Session sess = conn.openSession();

		sess.execCommand("uname -a && date && uptime && who");

		System.out.println("Here is some information about the remote host:");

		/* 
		 * This basic example does not handle stderr, which is sometimes dangerous
		 * (please read the FAQ).
		 */

		InputStream stdout = new StreamGobbler(sess.getStdout());

		BufferedReader br = new BufferedReader(new InputStreamReader(stdout));

		while (true)
		{
			String line = br.readLine();
			if (line == null)
				break;
			System.out.println(line);
		}

		/* Show exit status, if available (otherwise "null") */

		System.out.println("ExitCode: " + sess.getExitStatus());

		/* Close this session */

		sess.close();

		/* Close the connection */

		conn.close();

	}
	catch (IOException e)
	{
		e.printStackTrace(System.err);
		System.exit(2);
	}
}
 

import com.trilead.ssh2.Connection; //导入方法依赖的package包/类
protected static Session openConnectionSession(Connection conn) throws IOException, InterruptedException {
    Session sess = conn.openSession();
    return sess;
}
 

import com.trilead.ssh2.Connection; //导入方法依赖的package包/类
public static void main(String[] args) {

        // Parameters
        List<String> argsList = Arrays.asList(args);
        Iterator<String> iter = argsList.iterator();
        while (iter.hasNext()) {
            String arg = iter.next();
            if (arg.equals("-h")) {
                host = iter.next();
            }
            if (arg.equals("-p")) {
                password = iter.next();
            }

            if (arg.equals("-u")) {
                url = iter.next();
            }
        }

        if (host == null || host.equals("")) {
            s_logger.info("Did not receive a host back from test, ignoring ssh test");
            System.exit(2);
        }

        if (password == null) {
            s_logger.info("Did not receive a password back from test, ignoring ssh test");
            System.exit(2);
        }

        try {
            s_logger.info("Attempting to SSH into host " + host);
            Connection conn = new Connection(host);
            conn.connect(null, 60000, 60000);

            s_logger.info("User + ssHed successfully into host " + host);

            boolean isAuthenticated = conn.authenticateWithPassword("root", password);

            if (isAuthenticated == false) {
                s_logger.info("Authentication failed for root with password" + password);
                System.exit(2);
            }

            String linuxCommand = "wget " + url;
            Session sess = conn.openSession();
            sess.execCommand(linuxCommand);
            sess.close();
            conn.close();

        } catch (Exception e) {
            s_logger.error("SSH test fail with error", e);
            System.exit(2);
        }
    }
 

import com.trilead.ssh2.Connection; //导入方法依赖的package包/类
@Override
public void run() {
    NDC.push("Following thread has started" + Thread.currentThread().getName());
    int retry = 0;

    //Start copying files between machines in the network
    s_logger.info("The size of the array is " + this.virtualMachines.size());
    while (true) {
        try {
            if (retry > 0) {
                s_logger.info("Retry attempt : " + retry + " ...sleeping 120 seconds before next attempt");
                Thread.sleep(120000);
            }
            for (VirtualMachine vm : this.virtualMachines) {

                s_logger.info("Attempting to SSH into linux host " + this.publicIp + " with retry attempt: " + retry);
                Connection conn = new Connection(this.publicIp);
                conn.connect(null, 600000, 600000);

                s_logger.info("SSHed successfully into linux host " + this.publicIp);

                boolean isAuthenticated = conn.authenticateWithPassword("root", "password");

                if (isAuthenticated == false) {
                    s_logger.info("Authentication failed");
                }
                //execute copy command
                Session sess = conn.openSession();
                String fileName;
                Random ran = new Random();
                fileName = Math.abs(ran.nextInt()) + "-file";
                String copyCommand = new String("./scpScript " + vm.getPrivateIp() + " " + fileName);
                s_logger.info("Executing " + copyCommand);
                sess.execCommand(copyCommand);
                Thread.sleep(120000);
                sess.close();

                //execute wget command
                sess = conn.openSession();
                String downloadCommand =
                    new String("wget http://172.16.0.220/scripts/checkDiskSpace.sh; chmod +x *sh; ./checkDiskSpace.sh; rm -rf checkDiskSpace.sh");
                s_logger.info("Executing " + downloadCommand);
                sess.execCommand(downloadCommand);
                Thread.sleep(120000);
                sess.close();

                //close the connection
                conn.close();
            }
        } catch (Exception ex) {
            s_logger.error(ex);
            retry++;
            if (retry == retryNum) {
                s_logger.info("Performance Guest Network test failed with error " + ex.getMessage());
            }
        }
    }

}
 

import com.trilead.ssh2.Connection; //导入方法依赖的package包/类
public static void main(String[] args)
{
	String hostname = "127.0.0.1";
	String username = "joe";

	File keyfile = new File("~/.ssh/id_rsa"); // or "~/.ssh/id_dsa"
	String keyfilePass = "joespass"; // will be ignored if not needed

	try
	{
		/* Create a connection instance */

		Connection conn = new Connection(hostname);

		/* Now connect */

		conn.connect();

		/* Authenticate */

		boolean isAuthenticated = conn.authenticateWithPublicKey(username, keyfile, keyfilePass);

		if (isAuthenticated == false)
			throw new IOException("Authentication failed.");

		/* Create a session */

		Session sess = conn.openSession();

		sess.execCommand("uname -a && date && uptime && who");

		InputStream stdout = new StreamGobbler(sess.getStdout());

		BufferedReader br = new BufferedReader(new InputStreamReader(stdout));

		System.out.println("Here is some information about the remote host:");

		while (true)
		{
			String line = br.readLine();
			if (line == null)
				break;
			System.out.println(line);
		}

		/* Close this session */

		sess.close();

		/* Close the connection */

		conn.close();

	}
	catch (IOException e)
	{
		e.printStackTrace(System.err);
		System.exit(2);
	}
}
 

import com.trilead.ssh2.Connection; //导入方法依赖的package包/类
public static void main(String[] args) throws IOException
{
	String hostname = "somehost";
	String username = "joe";
	String password = "joespass";

	File knownHosts = new File("~/.ssh/known_hosts");

	try
	{
		/* Load known_hosts file into in-memory database */

		if (knownHosts.exists())
			database.addHostkeys(knownHosts);

		/* Create a connection instance */

		Connection conn = new Connection(hostname);

		/* Now connect and use the SimpleVerifier */

		conn.connect(new SimpleVerifier(database));

		/* Authenticate */

		boolean isAuthenticated = conn.authenticateWithPassword(username, password);

		if (isAuthenticated == false)
			throw new IOException("Authentication failed.");

		/* Create a session */

		Session sess = conn.openSession();

		sess.execCommand("uname -a && date && uptime && who");

		InputStream stdout = new StreamGobbler(sess.getStdout());
		BufferedReader br = new BufferedReader(new InputStreamReader(stdout));

		System.out.println("Here is some information about the remote host:");

		while (true)
		{
			String line = br.readLine();
			if (line == null)
				break;
			System.out.println(line);
		}

		/* Close this session */

		sess.close();

		/* Close the connection */

		conn.close();

	}
	catch (IOException e)
	{
		e.printStackTrace(System.err);
		System.exit(2);
	}
}