Examples with Session com.trilead.ssh2.Session used on opensource projects

Example 46 with Session

use of com.trilead.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 47 with Session

use of com.trilead.ssh2.Session in project cloudstack by apache.

the class ConfigTest method executeTest.

@Override
public boolean executeTest() {
    int error = 0;
    Element rootElement = this.getInputFile().get(0).getDocumentElement();
    NodeList commandLst = rootElement.getElementsByTagName("command");
    // Analyze each command, send request and build the array list of api commands
    for (int i = 0; i < commandLst.getLength(); i++) {
        Node fstNode = commandLst.item(i);
        Element fstElmnt = (Element) fstNode;
        // new command
        ApiCommand api = new ApiCommand(fstElmnt, this.getParam(), this.getCommands());
        if (api.getName().equals("rebootManagementServer")) {
            s_logger.info("Attempting to SSH into management server " + this.getParam().get("hostip"));
            try {
                Connection conn = new Connection(this.getParam().get("hostip"));
                conn.connect(null, 60000, 60000);
                s_logger.info("SSHed successfully into management server " + this.getParam().get("hostip"));
                boolean isAuthenticated = conn.authenticateWithPassword("root", "password");
                if (isAuthenticated == false) {
                    s_logger.info("Authentication failed for root with password");
                    return false;
                }
                String restartCommand = "service cloud-management restart; service cloud-usage restart";
                Session sess = conn.openSession();
                s_logger.info("Executing : " + restartCommand);
                sess.execCommand(restartCommand);
                Thread.sleep(120000);
                sess.close();
                conn.close();
            } catch (Exception ex) {
                s_logger.error(ex);
                return false;
            }
        } else {
            // send a command
            api.sendCommand(this.getClient(), null);
            // verify the response of the command
            if ((api.getResponseType() == ResponseType.ERROR) && (api.getResponseCode() == 200) && (api.getTestCaseInfo() != null)) {
                s_logger.error("Test case " + api.getTestCaseInfo() + "failed. Command that was supposed to fail, passed. The command was sent with the following url " + api.getUrl());
                error++;
            } else if ((api.getResponseType() != ResponseType.ERROR) && (api.getResponseCode() == 200)) {
                // set parameters for the future use
                if (api.setParam(this.getParam()) == false) {
                    s_logger.error("Exiting the test...Command " + api.getName() + " didn't return parameters needed for the future use. The command was sent with url " + api.getUrl());
                    return false;
                } else {
                    // verify parameters
                    if (api.verifyParam() == false) {
                        s_logger.error("Command " + api.getName() + " failed. Verification for returned parameters failed. Command was sent with url " + api.getUrl());
                        error++;
                    } else if (api.getTestCaseInfo() != null) {
                        s_logger.info("Test case " + api.getTestCaseInfo() + " passed. Command was sent with the url " + api.getUrl());
                    }
                }
            } else if ((api.getResponseType() != ResponseType.ERROR) && (api.getResponseCode() != 200)) {
                s_logger.error("Command " + api.getName() + " failed with an error code " + api.getResponseCode() + " . Command was sent with url  " + api.getUrl() + " Required: " + api.getRequired());
                if (api.getRequired() == true) {
                    s_logger.info("The command is required for the future use, so exiging");
                    return false;
                }
                error++;
            } else if (api.getTestCaseInfo() != null) {
                s_logger.info("Test case " + api.getTestCaseInfo() + " passed. Command that was supposed to fail, failed - test passed. Command was sent with url " + api.getUrl());
            }
        }
    }
    if (error != 0)
        return false;
    else
        return true;
}

Example 48 with Session

use of com.trilead.ssh2.Session in project cloudstack by apache.

the class SshHelperTest method canEndTheSshConnectionTest.

@Test
public void canEndTheSshConnectionTest() throws Exception {
    PowerMockito.spy(SshHelper.class);
    Session mockedSession = Mockito.mock(Session.class);
    PowerMockito.doReturn(true).when(SshHelper.class, "isChannelConditionEof", Mockito.anyInt());
    Mockito.when(mockedSession.waitForCondition(ChannelCondition.EXIT_STATUS, 1l)).thenReturn(0);
    PowerMockito.doNothing().when(SshHelper.class, "throwSshExceptionIfConditionsTimeout", Mockito.anyInt());
    SshHelper.canEndTheSshConnection(1, mockedSession, 0);
    PowerMockito.verifyStatic(SshHelper.class);
    SshHelper.isChannelConditionEof(Mockito.anyInt());
    SshHelper.throwSshExceptionIfConditionsTimeout(Mockito.anyInt());
    Mockito.verify(mockedSession).waitForCondition(ChannelCondition.EXIT_STATUS, 1l);
}

Example 49 with Session

use of com.trilead.ssh2.Session in project jstorm by alibaba.

the class MyScpClient method get.

/**
 * Download a set of files from the remote server to a local directory.
 *
 * @param remoteFiles          Paths and names of the remote files.
 * @param localTargetDirectory Local directory to put the downloaded files.
 * @throws IOException
 */
public void get(String[] remoteFiles, String localTargetDirectory) throws IOException {
    Session sess = null;
    if ((remoteFiles == null) || (localTargetDirectory == null))
        throw new IllegalArgumentException("Null argument.");
    if (remoteFiles.length == 0)
        return;
    // String cmd = "scp -f -r";
    String cmd = "scp -f ";
    for (int i = 0; i < remoteFiles.length; i++) {
        if (remoteFiles[i] == null)
            throw new IllegalArgumentException("Cannot accept null filename.");
        cmd += (" " + remoteFiles[i]);
    }
    try {
        sess = conn.openSession();
        sess.execCommand(cmd);
        receiveFiles(sess, remoteFiles, localTargetDirectory);
        sess.close();
    } catch (IOException e) {
        if (sess != null)
            sess.close();
        throw (IOException) new IOException("Error during SCP transfer.").initCause(e);
    }
}

Example 50 with Session

use of com.trilead.ssh2.Session in project jstorm by alibaba.

the class MyScpClient method put.

/**
 * Copy a set of local files to a remote directory, uses the specified mode
 * when creating the files on the remote side.
 *
 * @param localFiles            Paths and names of the local files.
 * @param remoteTargetDirectory Remote target directory.
 * @param mode                  a four digit string (e.g., 0644, see "man chmod", "man open")
 * @throws IOException
 */
public void put(String[] localFiles, String remoteTargetDirectory, String mode) throws IOException {
    Session sess = null;
    if ((localFiles == null) || (remoteTargetDirectory == null) || (mode == null))
        throw new IllegalArgumentException("Null argument.");
    if (mode.length() != 4)
        throw new IllegalArgumentException("Invalid mode.");
    for (int i = 0; i < mode.length(); i++) if (Character.isDigit(mode.charAt(i)) == false)
        throw new IllegalArgumentException("Invalid mode.");
    if (localFiles.length == 0)
        return;
    String cmd = "scp -t -d " + remoteTargetDirectory;
    for (int i = 0; i < localFiles.length; i++) {
        if (localFiles[i] == null)
            throw new IllegalArgumentException("Cannot accept null filename.");
    }
    try {
        sess = conn.openSession();
        sess.execCommand(cmd);
        sendFiles(sess, localFiles, mode);
        sess.close();
    } catch (IOException e) {
        if (sess != null)
            sess.close();
        throw (IOException) new IOException("Error during SCP transfer.").initCause(e);
    }
}