diff options
Diffstat (limited to 'opnfv/utils/SSHUtils.py')
| -rw-r--r-- | opnfv/utils/SSHUtils.py | 69 |
1 files changed, 34 insertions, 35 deletions
diff --git a/opnfv/utils/SSHUtils.py b/opnfv/utils/SSHUtils.py index 6c794c2..16e34c3 100644 --- a/opnfv/utils/SSHUtils.py +++ b/opnfv/utils/SSHUtils.py @@ -16,16 +16,16 @@ import os logger = OPNFVLogger.Logger('SSHUtils').getLogger() -def get_ssh_client(hostname, username, password=None, jumphost=None): +def get_ssh_client(hostname, username, password=None, proxy=None): client = None try: - if jumphost is None: + if proxy is None: client = paramiko.SSHClient() else: - client = JumpHostHopClient() - client.configure_jump_host(jumphost['ip'], - jumphost['username'], - jumphost['password']) + client = ProxyHopClient() + client.configure_jump_host(proxy['ip'], + proxy['username'], + proxy['password']) if client is None: raise Exception('Could not connect to client') @@ -62,31 +62,30 @@ def put_file(ssh_conn, src, dest): return None -class JumpHostHopClient(paramiko.SSHClient): +class ProxyHopClient(paramiko.SSHClient): ''' - Connect to a remote server using a jumphost hop + Connect to a remote server using a proxy hop ''' - def __init__(self, *args, **kwargs): - self.logger = OPNFVLogger.Logger("JumpHostHopClient").getLogger() - self.jumphost_ssh = None - self.jumphost_transport = None - self.jumphost_channel = None - self.jumphost_ip = None - self.jumphost_ssh_key = None + self.logger = OPNFVLogger.Logger("ProxyHopClient").getLogger() + self.proxy_ssh = None + self.proxy_transport = None + self.proxy_channel = None + self.proxy_ip = None + self.proxy_ssh_key = None self.local_ssh_key = os.path.join(os.getcwd(), 'id_rsa') - super(JumpHostHopClient, self).__init__(*args, **kwargs) + super(ProxyHopClient, self).__init__(*args, **kwargs) def configure_jump_host(self, jh_ip, jh_user, jh_pass, jh_ssh_key='/root/.ssh/id_rsa'): - self.jumphost_ip = jh_ip - self.jumphost_ssh_key = jh_ssh_key - self.jumphost_ssh = paramiko.SSHClient() - self.jumphost_ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) - self.jumphost_ssh.connect(jh_ip, - username=jh_user, - password=jh_pass) - self.jumphost_transport = self.jumphost_ssh.get_transport() + self.proxy_ip = jh_ip + self.proxy_ssh_key = jh_ssh_key + self.proxy_ssh = paramiko.SSHClient() + self.proxy_ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) + self.proxy_ssh.connect(jh_ip, + username=jh_user, + password=jh_pass) + self.proxy_transport = self.proxy_ssh.get_transport() def connect(self, hostname, port=22, username='root', password=None, pkey=None, key_filename=None, timeout=None, allow_agent=True, @@ -94,28 +93,28 @@ class JumpHostHopClient(paramiko.SSHClient): gss_kex=False, gss_deleg_creds=True, gss_host=None, banner_timeout=None): try: - if self.jumphost_ssh is None: + if self.proxy_ssh is None: raise Exception('You must configure the jump ' 'host before calling connect') - get_file_res = get_file(self.jumphost_ssh, - self.jumphost_ssh_key, + get_file_res = get_file(self.proxy_ssh, + self.proxy_ssh_key, self.local_ssh_key) if get_file_res is None: raise Exception('Could\'t fetch SSH key from jump host') - jumphost_key = (paramiko.RSAKey - .from_private_key_file(self.local_ssh_key)) + proxy_key = (paramiko.RSAKey + .from_private_key_file(self.local_ssh_key)) - self.jumphost_channel = self.jumphost_transport.open_channel( + self.proxy_channel = self.proxy_transport.open_channel( "direct-tcpip", (hostname, 22), - (self.jumphost_ip, 22)) + (self.proxy_ip, 22)) self.set_missing_host_key_policy(paramiko.AutoAddPolicy()) - super(JumpHostHopClient, self).connect(hostname, - username=username, - pkey=jumphost_key, - sock=self.jumphost_channel) + super(ProxyHopClient, self).connect(hostname, + username=username, + pkey=proxy_key, + sock=self.proxy_channel) os.remove(self.local_ssh_key) except Exception, e: self.logger.error(e) |