Method execute

exp_scripts/bootstrap.py:335–359

(self, cmd, host, pty=True, dir="", timeout=None, output=True, background=False)

                return self.pre_execute(cmd, host, pty, dir, timeout, retry_count - 1)

    def execute(self, cmd, host, pty=True, dir="", timeout=None, output=True, background=False):
        ret = [True, ""]
        p, stdout = self.pre_execute(cmd, host, pty, dir, timeout, background=background)
        if p and (stdout and output) and (not background):
            try:
                while not stdout.channel.closed:
                    try:
                        for line in iter(lambda: stdout.readline(2048), ""):
                            if pty and (len(line) > 0):  ## ignore null lines
                                print((("[%s]: " % host) + line))
                            else:
                                ret[1] += (line + "\n")
                    except UnicodeDecodeError as e:
                        continue
                    except Exception as e:
                        break
            except Exception as e:
                print("[%s] execute with execption: %s" % (host, e))
        if p and (not background):
            p.close()
        #            ret[1] = stdout
        else:
            ret[0] = False
            ret[1] = stdout
        return ret[0], ret[1]


# cr.envs.set(base_env)