Examples with ChannelExec com.jcraft.jsch.ChannelExec used on opensource projects

Example 61 with ChannelExec

use of com.jcraft.jsch.ChannelExec in project ASAP by salmant.

the class Terminate_a_Container method remove_from_haproxy.

// ///////////////////////////////////////////////////////////
public void remove_from_haproxy() {
    String haproy_ip = "194.249.1.110";
    String haproy_host_user = "root";
    String haproy_host_password = "***************";
    // ////////////////////////////// add new server
    try {
        String command = "sed " + "\'/" + "    server " + i_str + "-www " + new_IP + ":5000 check/d" + "\' /etc/haproxy/haproxy.cfg" + " > /etc/haproxy/test.cfg ; mv /etc/haproxy/test.cfg /etc/haproxy/haproxy.cfg";
        JSch jsch = new JSch();
        com.jcraft.jsch.Session session = jsch.getSession(haproy_host_user, haproy_ip, 22);
        Properties config = new Properties();
        config.put("StrictHostKeyChecking", "no");
        session.setConfig(config);
        ;
        session.setPassword(haproy_host_password);
        session.connect();
        Channel channel = session.openChannel("exec");
        ((ChannelExec) channel).setCommand(command);
        channel.setInputStream(null);
        ((ChannelExec) channel).setErrStream(System.err);
        InputStream input = channel.getInputStream();
        channel.connect();
        try {
            InputStreamReader inputReader = new InputStreamReader(input);
            BufferedReader bufferedReader = new BufferedReader(inputReader);
            String line = null;
            while ((line = bufferedReader.readLine()) != null) {
            // System.out.println(line);
            }
            bufferedReader.close();
            inputReader.close();
        } catch (IOException ex) {
            ex.printStackTrace();
        }
        channel.disconnect();
        session.disconnect();
    } catch (Exception ex) {
        ex.printStackTrace();
        System.out.println("error in remove_from_haproxy() first section");
    }
    // ////////////////////////////// reload HAProxy
    try {
        String command = "sh /haproxy.sh";
        JSch jsch = new JSch();
        com.jcraft.jsch.Session session = jsch.getSession(haproy_host_user, haproy_ip, 22);
        Properties config = new Properties();
        config.put("StrictHostKeyChecking", "no");
        session.setConfig(config);
        ;
        session.setPassword(haproy_host_password);
        session.connect();
        Channel channel = session.openChannel("exec");
        ((ChannelExec) channel).setCommand(command);
        channel.setInputStream(null);
        ((ChannelExec) channel).setErrStream(System.err);
        InputStream input = channel.getInputStream();
        channel.connect();
        try {
            InputStreamReader inputReader = new InputStreamReader(input);
            BufferedReader bufferedReader = new BufferedReader(inputReader);
            String line = null;
            while ((line = bufferedReader.readLine()) != null) {
            // System.out.println(line);
            }
            bufferedReader.close();
            inputReader.close();
        } catch (IOException ex) {
            ex.printStackTrace();
        }
        channel.disconnect();
        session.disconnect();
    } catch (Exception ex) {
        ex.printStackTrace();
        // to be deleted !!!!
        System.out.println("error in remove_from_haproxy() second section");
    }
}

Example 62 with ChannelExec

use of com.jcraft.jsch.ChannelExec in project ASAP by salmant.

the class HPA method How_many_existing_servers.

// ///////////////////////////////////////////
public static int How_many_existing_servers() {
    int i = 0;
    String haproy_ip = "194.249.1.110";
    String haproy_host_user = "root";
    String haproy_host_password = "********************";
    try {
        String command = "cat /etc/haproxy/haproxy.cfg";
        JSch jsch = new JSch();
        com.jcraft.jsch.Session session = jsch.getSession(haproy_host_user, haproy_ip, 22);
        Properties config = new Properties();
        config.put("StrictHostKeyChecking", "no");
        session.setConfig(config);
        ;
        session.setPassword(haproy_host_password);
        session.connect();
        Channel channel = session.openChannel("exec");
        ((ChannelExec) channel).setCommand(command);
        channel.setInputStream(null);
        ((ChannelExec) channel).setErrStream(System.err);
        InputStream input = channel.getInputStream();
        channel.connect();
        try {
            InputStreamReader inputReader = new InputStreamReader(input);
            BufferedReader bufferedReader = new BufferedReader(inputReader);
            String line = null;
            while ((line = bufferedReader.readLine()) != null) {
                if (line.contains("-www"))
                    i++;
            // System.out.println(line);
            }
            bufferedReader.close();
            inputReader.close();
        } catch (IOException ex) {
            ex.printStackTrace();
            return i;
        }
        channel.disconnect();
        session.disconnect();
        return i;
    } catch (Exception ex) {
        ex.printStackTrace();
        return i;
    }
}

Example 63 with ChannelExec

use of com.jcraft.jsch.ChannelExec in project ant-ivy by apache.

the class Scp method getExecChannel.

/**
 * @return ChannelExec
 * @throws JSchException if something goes wrong
 */
private ChannelExec getExecChannel() throws JSchException {
    ChannelExec channel;
    channel = (ChannelExec) session.openChannel("exec");
    return channel;
}

Example 64 with ChannelExec

use of com.jcraft.jsch.ChannelExec in project ant-ivy by apache.

the class Scp method getFileinfo.

/**
 * Initiates an SCP sequence but stops after getting fileinformation header
 *
 * @param remoteFile
 *            to get information for
 * @return the file information got
 * @throws IOException
 *             in case of network problems
 * @throws RemoteScpException
 *             in case of problems on the target system (connection ok)
 */
public FileInfo getFileinfo(String remoteFile) throws IOException, RemoteScpException {
    ChannelExec channel = null;
    FileInfo fileInfo = null;
    if (remoteFile == null) {
        throw new IllegalArgumentException("Null argument.");
    }
    String cmd = "scp -p -f \"" + remoteFile + "\"";
    try {
        channel = getExecChannel();
        channel.setCommand(cmd);
        fileInfo = receiveStream(channel, remoteFile, null);
        channel.disconnect();
    } catch (JSchException e) {
        throw new IOException("Error during SCP transfer. " + e.getMessage(), e);
    } finally {
        if (channel != null) {
            channel.disconnect();
        }
    }
    return fileInfo;
}

Example 65 with ChannelExec

use of com.jcraft.jsch.ChannelExec in project ant-ivy by apache.

the class Scp method put.

/**
 * Copy a local file to a remote site, uses the specified mode when creating the file on the
 * remote side.
 *
 * @param localFile
 *            Path and name of local file. Must be absolute.
 * @param remoteTargetDir
 *            Remote target directory where the file has to end up (optional)
 * @param remoteTargetName
 *            file name to use on the target system
 * @param mode
 *            a four digit string (e.g., 0644, see "man chmod", "man open")
 * @throws IOException
 *             in case of network problems
 * @throws RemoteScpException
 *             in case of problems on the target system (connection ok)
 */
@SuppressWarnings("unused")
public void put(String localFile, String remoteTargetDir, String remoteTargetName, String mode) throws IOException, RemoteScpException {
    ChannelExec channel = null;
    if (localFile == null || remoteTargetName == null) {
        throw new IllegalArgumentException("Null argument.");
    }
    if (mode != null) {
        if (mode.length() != MODE_LENGTH) {
            throw new IllegalArgumentException("Invalid mode.");
        }
        for (char c : mode.toCharArray()) {
            if (!Character.isDigit(c)) {
                throw new IllegalArgumentException("Invalid mode.");
            }
        }
    }
    String cmd = "scp -t ";
    if (mode != null) {
        cmd += "-p ";
    }
    if (remoteTargetDir != null && remoteTargetDir.length() > 0) {
        cmd += "-d " + remoteTargetDir;
    }
    try {
        channel = getExecChannel();
        channel.setCommand(cmd);
        sendFile(channel, localFile, remoteTargetName, mode);
        channel.disconnect();
    } catch (JSchException e) {
        if (channel != null) {
            channel.disconnect();
        }
        throw new IOException("Error during SCP transfer." + e.getMessage(), e);
    }
}