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++;
}
}
use of com.trilead.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++;
}
}
use of com.trilead.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);
}
}
use of com.trilead.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();
}
}
use of com.trilead.ssh2.Session in project cloudstack by apache.
the class SshHelper method openConnectionSession.
/**
* It gets a {@link Session} from the given {@link Connection}; then, it waits
* {@value #WAITING_OPEN_SSH_SESSION} milliseconds before returning the session, given a time to
* ensure that the connection is open before proceeding the execution.
*/
protected static Session openConnectionSession(Connection conn) throws IOException, InterruptedException {
Session sess = conn.openSession();
Thread.sleep(WAITING_OPEN_SSH_SESSION);
return sess;
}
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