ssh.py 文件源码

def connect(self):
        """Connect to host
        """
        try:
            self.client.connect(self.host,
                                username=self.username,
                                password=self.password,
                                port=self.port,
                                pkey=self.pkey,
                                timeout=self.timeout)
        except paramiko.AuthenticationException as e:
            raise DaskEc2Exception("Authentication Error to host '%s'" % self.host)
        except sock_gaierror as e:
            raise DaskEc2Exception("Unknown host '%s'" % self.host)
        except sock_error as e:
            raise DaskEc2Exception("Error connecting to host '%s:%s'\n%s" % (self.host, self.port, e))
        except paramiko.SSHException as e:
            raise DaskEc2Exception("General SSH error - %s" % e)