SSH.py 文件源码

def __init__(self, sshhost, username, pwd, port=None, use_log=False):
        """
        Constructor for the SSH class.

        This constructor connects automatically to sshhost over ssh so manual
        calling of the connect function is not necessary.

        sshhost -- the host to connect to.
        username -- the username to use.
        pwd -- the password.
        port -- the port to connect to.
        use_log -- Whether to log the ssh connection in a logfile. (Default is False)
        """
        self.sshhost = sshhost
        self.username = username
        self.pwd = pwd
        self.client = SSHClient()
        # only activate when non-agent, as this will throw unhandled prompts
        # self.client.set_missing_host_key_policy(WarningPolicy())
        self.client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
        self.client.load_system_host_keys()

        #this is done because the buyers return before they finish buying a vps, which might connect timeouts
        #ToDo make vpsbuyers terminate only once server is online https://github.com/Skynet2-0/Skynet2.0/issues/60
        tries = 30
        while tries>=0:
            try:
                self.connect(port=port)
                break
            except socket.error:
                #retry to connect
                tries-=1

        s = Settings()
        if s.enable_global_ssh_logging():
            self.use_logfile(True)
        else:
            self.use_logfile(use_log)