Examples with Session ch.ethz.ssh2.Session used on opensource projects

Example 21 with Session

use of ch.ethz.ssh2.Session in project zm-mailbox by Zimbra.

the class RemoteManager method getSession.

private Session getSession() throws ServiceException {
    try {
        mConnection = new Connection(mHost, mPort);
        mConnection.connect();
        if (!mConnection.authenticateWithPublicKey(mUser, mPrivateKey, null)) {
            throw new IOException("auth failed");
        }
        return mConnection.openSession();
    } catch (IOException ioe) {
        if (mConnection != null) {
            mConnection.close();
        }
        throw ServiceException.FAILURE("exception during auth " + this, ioe);
    }
}

Example 22 with Session

use of ch.ethz.ssh2.Session in project cloudstack by apache.

the class TestClientWithAPI method sshTest.

private static String sshTest(String host, String password, String snapshotTest) {
    int i = 0;
    if (host == null) {
        s_logger.info("Did not receive a host back from test, ignoring ssh test");
        return null;
    }
    if (password == null) {
        s_logger.info("Did not receive a password back from test, ignoring ssh test");
        return null;
    }
    // We will retry 5 times before quitting
    String result = null;
    int retry = 0;
    while (true) {
        try {
            if (retry > 0) {
                s_logger.info("Retry attempt : " + retry + " ...sleeping 120 seconds before next attempt. Account is " + s_account.get());
                Thread.sleep(120000);
            }
            s_logger.info("Attempting to SSH into linux host " + host + " with retry attempt: " + retry + ". Account is " + s_account.get());
            Connection conn = new Connection(host);
            conn.connect(null, 60000, 60000);
            s_logger.info("User + " + s_account.get() + " ssHed successfully into linux host " + host);
            boolean isAuthenticated = conn.authenticateWithPassword("root", password);
            if (isAuthenticated == false) {
                s_logger.info("Authentication failed for root with password" + password);
                return "Authentication failed";
            }
            boolean success = false;
            String linuxCommand = null;
            if (i % 10 == 0)
                linuxCommand = "rm -rf *; wget http://" + downloadUrl + " && ls -al dump.bin";
            else
                linuxCommand = "wget http://" + downloadUrl + " && ls -al dump.bin";
            Session sess = conn.openSession();
            s_logger.info("User " + s_account.get() + " executing : " + linuxCommand);
            sess.execCommand(linuxCommand);
            InputStream stdout = sess.getStdout();
            InputStream stderr = sess.getStderr();
            byte[] buffer = new byte[8192];
            while (true) {
                if ((stdout.available() == 0) && (stderr.available() == 0)) {
                    int conditions = sess.waitForCondition(ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA | ChannelCondition.EOF, 120000);
                    if ((conditions & ChannelCondition.TIMEOUT) != 0) {
                        s_logger.info("Timeout while waiting for data from peer.");
                        return null;
                    }
                    if ((conditions & ChannelCondition.EOF) != 0) {
                        if ((conditions & (ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA)) == 0) {
                            break;
                        }
                    }
                }
                while (stdout.available() > 0) {
                    success = true;
                    int len = stdout.read(buffer);
                    if (// this check is somewhat paranoid
                    len > 0)
                        s_logger.info(new String(buffer, 0, len));
                }
                while (stderr.available() > 0) {
                    /* int len = */
                    stderr.read(buffer);
                }
            }
            sess.close();
            conn.close();
            if (!success) {
                retry++;
                if (retry == MAX_RETRY_LINUX) {
                    result = "SSH Linux Network test fail";
                }
            }
            if (snapshotTest.equals("no"))
                return result;
            else {
                Long sleep = 300000L;
                s_logger.info("Sleeping for " + sleep / 1000 / 60 + "minutes before executing next ssh test");
                Thread.sleep(sleep);
            }
        } catch (Exception e) {
            retry++;
            s_logger.error("SSH Linux Network test fail with error");
            if ((retry == MAX_RETRY_LINUX) && (snapshotTest.equals("no"))) {
                return "SSH Linux Network test fail with error " + e.getMessage();
            }
        }
        i++;
    }
}

Example 23 with Session

use of ch.ethz.ssh2.Session in project cloudstack by apache.

the class StressTestDirectAttach method sshTest.

private static String sshTest(String host, String password) {
    int i = 0;
    if (host == null) {
        s_logger.info("Did not receive a host back from test, ignoring ssh test");
        return null;
    }
    if (password == null) {
        s_logger.info("Did not receive a password back from test, ignoring ssh test");
        return null;
    }
    // We will retry 5 times before quitting
    String result = null;
    int retry = 0;
    while (true) {
        try {
            if (retry > 0) {
                s_logger.info("Retry attempt : " + retry + " ...sleeping 120 seconds before next attempt. Account is " + s_account.get());
                Thread.sleep(120000);
            }
            s_logger.info("Attempting to SSH into linux host " + host + " with retry attempt: " + retry + ". Account is " + s_account.get());
            Connection conn = new Connection(host);
            conn.connect(null, 60000, 60000);
            s_logger.info("User + " + s_account.get() + " ssHed successfully into linux host " + host);
            boolean isAuthenticated = conn.authenticateWithPassword("root", password);
            if (isAuthenticated == false) {
                s_logger.info("Authentication failed for root with password" + password);
                return "Authentication failed";
            }
            boolean success = false;
            String linuxCommand = null;
            if (i % 10 == 0)
                linuxCommand = "rm -rf *; wget http://192.168.1.250/dump.bin && ls -al dump.bin";
            else
                linuxCommand = "wget http://192.168.1.250/dump.bin && ls -al dump.bin";
            Session sess = conn.openSession();
            s_logger.info("User " + s_account.get() + " executing : " + linuxCommand);
            sess.execCommand(linuxCommand);
            InputStream stdout = sess.getStdout();
            InputStream stderr = sess.getStderr();
            byte[] buffer = new byte[8192];
            while (true) {
                if ((stdout.available() == 0) && (stderr.available() == 0)) {
                    int conditions = sess.waitForCondition(ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA | ChannelCondition.EOF, 120000);
                    if ((conditions & ChannelCondition.TIMEOUT) != 0) {
                        s_logger.info("Timeout while waiting for data from peer.");
                        return null;
                    }
                    if ((conditions & ChannelCondition.EOF) != 0) {
                        if ((conditions & (ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA)) == 0) {
                            break;
                        }
                    }
                }
                while (stdout.available() > 0) {
                    success = true;
                    int len = stdout.read(buffer);
                    if (// this check is somewhat paranoid
                    len > 0)
                        s_logger.info(new String(buffer, 0, len));
                }
                while (stderr.available() > 0) {
                    /* int len = */
                    stderr.read(buffer);
                }
            }
            sess.close();
            conn.close();
            if (!success) {
                retry++;
                if (retry == MAX_RETRY_LINUX) {
                    result = "SSH Linux Network test fail";
                }
            }
            return result;
        } catch (Exception e) {
            retry++;
            s_logger.error("SSH Linux Network test fail with error");
            if (retry == MAX_RETRY_LINUX) {
                return "SSH Linux Network test fail with error " + e.getMessage();
            }
        }
        i++;
    }
}

Example 24 with Session

use of ch.ethz.ssh2.Session in project cloudstack by apache.

the class SshTest method main.

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);
    }
}

Example 25 with Session

use of ch.ethz.ssh2.Session in project cloudstack by apache.

the class SSHCmdHelper method sshExecuteCmdOneShotWithExitCode.

public static int sshExecuteCmdOneShotWithExitCode(com.trilead.ssh2.Connection sshConnection, String cmd) throws SshException {
    s_logger.debug("Executing cmd: " + cmd);
    Session sshSession = null;
    try {
        sshSession = sshConnection.openSession();
        // There is a bug in Trilead library, wait a second before
        // starting a shell and executing commands, from http://spci.st.ewi.tudelft.nl/chiron/xref/nl/tudelft/swerl/util/SSHConnection.html
        Thread.sleep(1000);
        if (sshSession == null) {
            throw new SshException("Cannot open ssh session");
        }
        sshSession.execCommand(cmd);
        InputStream stdout = sshSession.getStdout();
        InputStream stderr = sshSession.getStderr();
        byte[] buffer = new byte[8192];
        StringBuffer sbResult = new StringBuffer();
        int currentReadBytes = 0;
        while (true) {
            if (stdout == null || stderr == null) {
                throw new SshException("stdout or stderr of ssh session is null");
            }
            if ((stdout.available() == 0) && (stderr.available() == 0)) {
                int conditions = sshSession.waitForCondition(ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA | ChannelCondition.EOF | ChannelCondition.EXIT_STATUS, 120000);
                if ((conditions & ChannelCondition.TIMEOUT) != 0) {
                    String msg = "Timed out in waiting SSH execution result";
                    s_logger.error(msg);
                    throw new Exception(msg);
                }
                if ((conditions & ChannelCondition.EXIT_STATUS) != 0) {
                    if ((conditions & (ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA)) == 0) {
                        break;
                    }
                }
                if ((conditions & ChannelCondition.EOF) != 0) {
                    if ((conditions & (ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA)) == 0) {
                        break;
                    }
                }
            }
            while (stdout.available() > 0) {
                currentReadBytes = stdout.read(buffer);
                sbResult.append(new String(buffer, 0, currentReadBytes));
            }
            while (stderr.available() > 0) {
                currentReadBytes = stderr.read(buffer);
                sbResult.append(new String(buffer, 0, currentReadBytes));
            }
        }
        String result = sbResult.toString();
        if (result != null && !result.isEmpty())
            s_logger.debug(cmd + " output:" + result);
        // exit status delivery might get delayed
        for (int i = 0; i < 10; i++) {
            Integer status = sshSession.getExitStatus();
            if (status != null) {
                return status;
            }
            Thread.sleep(100);
        }
        return -1;
    } catch (Exception e) {
        s_logger.debug("Ssh executed failed", e);
        throw new SshException("Ssh executed failed " + e.getMessage());
    } finally {
        if (sshSession != null)
            sshSession.close();
    }
}