Python APIClient.exec_create方法代码示例

# 需要导入模块: from docker import APIClient [as 别名]
# 或者: from docker.APIClient import exec_create [as 别名]
def docker_abs_net_io(container_id):
    """
    Network traffic of all network interfaces within the controller.

    :param container_id: The full ID of the docker container.
    :type container_id: ``str``
    :return: Returns the absolute network I/O till container startup, in bytes. The return dict also contains the
        system time.
    :rtype: ``dict``
    """
    c = APIClient()
    command = c.exec_create(container_id, 'ifconfig')
    ifconfig = c.exec_start(command['Id'])
    sys_time = int(time.time() * 1000000000)

    in_bytes = 0
    m = re.findall('RX bytes:(\d+)', str(ifconfig))
    if m:
        for number in m:
            in_bytes += int(number)
    else:
        in_bytes = None

    out_bytes = 0
    m = re.findall('TX bytes:(\d+)', str(ifconfig))
    if m:
        for number in m:
            out_bytes += int(number)
    else:
        out_bytes = None

    return {'NET_in': in_bytes, 'NET_out': out_bytes, 'NET_systime': sys_time}

# 需要导入模块: from docker import APIClient [as 别名]
# 或者: from docker.APIClient import exec_create [as 别名]

#.........这里部分代码省略.........
        try:
            ret_val = str(self.client.inspect_container(container_id).get('State').get('Status'))
            if ret_val.startswith("running"):
                status = ProviderBase.STATUS_RUNNING
            else:
                status = ProviderBase.STATUS_STOPPED
        except NotFound:
            pass
        return status

    def start_containers(self, container_ids):
        """Starts each container in given list of container IDs."""
        for container_id in container_ids:
            self.start_container(container_id)

    def start_container(self, container_id):
        """ Start the container with given ID."""
        logging.info(DockerProxy.LOG_TAG + " Starting container " + container_id)
        try:
            self.client.start(container=container_id)
        except (NotFound, NullResource) as e:
            print (DockerProxy.LOG_TAG + "Something went wrong while starting container.", e)
            return False
        return True

    def execute_command(self, container_id, command):
        """Executes given command as a shell command in the given container. Returns None is anything goes wrong."""
        run_command = "/bin/bash -c \"" + command + "\""
        # print("CONTAINER: {0} COMMAND: {1}".format(container_id, run_command))
        if self.start_container(container_id) is False:
            print (DockerProxy.LOG_TAG + "Could not start container.")
            return None
        try:
            exec_instance = self.client.exec_create(container_id, run_command)
            response = self.client.exec_start(exec_instance)
            return [self.client.exec_inspect(exec_instance), response]
        except (NotFound, APIError) as e:
            print (DockerProxy.LOG_TAG + " Could not execute command.", e)
            return None

    def build_image(self, dockerfile):
        """ Build image from given Dockerfile object and return ID of the image created. """
        import uuid
        logging.info("Building image...")
        random_string = str(uuid.uuid4())
        image_tag = Constants.DOCKER_IMAGE_PREFIX + "{0}".format(random_string[:])
        last_line = ""
        try:
            for line in self.client.build(fileobj=dockerfile, rm=True, tag=image_tag):
                print(DockerProxy._decorate(line))
                if "errorDetail" in line:
                    raise DockerProxy.ImageBuildException()
                last_line = line

            # Return image ID. It's a hack around the fact that docker-py's build image command doesn't return an image
            # id.
            image_id = get_docker_image_id_from_string(str(last_line))
            logging.info("Image ID: {0}".format(image_id))
            return str(DockerImage(image_id, image_tag))

        except (DockerProxy.ImageBuildException, IndexError) as e:
            raise DockerProxy.ImageBuildException(e)

    @staticmethod
    def _decorate(some_line):
        return some_line[11:-4].rstrip()