diff options
Diffstat (limited to 'fuel/deploy/ssh_client.py')
-rw-r--r-- | fuel/deploy/ssh_client.py | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/fuel/deploy/ssh_client.py b/fuel/deploy/ssh_client.py new file mode 100644 index 0000000..9ea227a --- /dev/null +++ b/fuel/deploy/ssh_client.py @@ -0,0 +1,86 @@ +import paramiko +import common +import scp + +TIMEOUT = 600 +log = common.log +err = common.err + +class SSHClient(object): + + def __init__(self, host, username, password): + self.host = host + self.username = username + self.password = password + self.client = None + + def open(self, timeout=TIMEOUT): + self.client = paramiko.SSHClient() + self.client.set_missing_host_key_policy(paramiko.AutoAddPolicy()) + self.client.connect(self.host, username=self.username, + password=self.password, timeout=timeout) + + def close(self): + if self.client is not None: + self.client.close() + self.client = None + + def __enter__(self): + self.open() + return self + + def __exit__(self, type, value, traceback): + self.close() + + def exec_cmd(self, command, sudo=False, timeout=TIMEOUT, check=True): + if sudo and self.username != 'root': + command = "sudo -S -p '' %s" % command + stdin, stdout, stderr = self.client.exec_command(command, + timeout=timeout) + if sudo: + stdin.write(self.password + '\n') + stdin.flush() + response = stdout.read().strip() + error = stderr.read().strip() + + if check: + if error: + self.close() + err(error) + else: + return response + return response, error + + def run(self, command): + transport = self.client.get_transport() + transport.set_keepalive(1) + chan = transport.open_session() + chan.exec_command(command) + while not chan.exit_status_ready(): + if chan.recv_ready(): + data = chan.recv(1024) + while data: + print data + data = chan.recv(1024) + + if chan.recv_stderr_ready(): + error_buff = chan.recv_stderr(1024) + while error_buff: + print error_buff + error_buff = chan.recv_stderr(1024) + exit_status = chan.recv_exit_status() + log('Exit status %s' % exit_status) + + def scp_get(self, remote, local='.', dir=False): + try: + with scp.SCPClient(self.client.get_transport()) as _scp: + _scp.get(remote, local, dir) + except Exception as e: + err(e) + + def scp_put(self, local, remote='.', dir=False): + try: + with scp.SCPClient(self.client.get_transport()) as _scp: + _scp.put(local, remote, dir) + except Exception as e: + err(e) |