Python Client.images方法代码示例

# 需要导入模块: from docker.client import Client [as 别名]
# 或者: from docker.client.Client import images [as 别名]
 def getImages(self,daemon_address=None):
     c = Client(daemon_address)
     result = Bag()
     for i,image in enumerate(c.images()):
         result['r_%i' %i] = Bag(image)
     return result

# 需要导入模块: from docker.client import Client [as 别名]
# 或者: from docker.client.Client import images [as 别名]
class Docker:
    dockerconf = KOOPLEX.get('docker', {})

    def __init__(self):
        base_url = self.dockerconf.get('base_url', '')
        self.client = Client(base_url = base_url)
        logger.debug("Client init")
        self.check = None

    def list_imagenames(self):
        logger.debug("Listing image names")
        pattern_imagenamefilter = KOOPLEX.get('docker', {}).get('pattern_imagename_filter', r'^image-%(\w+):\w$')
        for image in self.client.images(all = True):
            if image['RepoTags'] is None:
                continue
            for tag in image['RepoTags']:
                if re.match(pattern_imagenamefilter, tag):
                    _, imagename, _ = re.split(pattern_imagenamefilter, tag)
                    logger.debug("Found image: %s" % imagename)
                    yield imagename

    def list_volumenames(self):
        logger.debug("Listing volume names")
        volumes = self.client.volumes()
        for volume in volumes['Volumes']:
            yield volume['Name']

    def get_container(self, container):
        for item in self.client.containers(all = True):
            # docker API prepends '/' in front of container names
            if '/' + container.name in item['Names']:
                logger.debug("Get container %s" % container.name)
                return item
        return None

    def create_container(self, container):
        volumes = []    # the list of mount points in the container
        binds = {}      # a mapping dictionary of the container mounts
        for volume in container.volumes:
            logger.debug("container %s, volume %s" % (container, volume))
            mp = volume.mountpoint
            volumes.append(mp)
            binds[volume.name] = { 'bind': mp, 'mode': volume.mode(container.user) }
        logger.debug("container %s binds %s" % (container, binds))
        host_config = self.client.create_host_config(
            binds = binds,
            privileged = True,
            mem_limit = '2g',
            memswap_limit = '170m',
            mem_swappiness = 0,
#            oom_kill_disable = True,
            cpu_shares = 2,
        )
        network = self.dockerconf.get('network', 'host')
        networking_config = { 'EndpointsConfig': { network: {} } }
        ports = self.dockerconf.get('container_ports', [ 8000, 9000 ])
        imagename = container.image.imagename if container.image else self.dockerconf.get('default_image', 'basic')
        args = {
            'name': container.name,
            'image': imagename,
            'detach': True,
            'hostname': container.name,
            'host_config': host_config,
            'networking_config': networking_config,
            'environment': container.environment,
            'volumes': volumes,
            'ports': ports,
        }
        self.client.create_container(**args)
        logger.debug("Container created")
        self.managemount(container) #FIXME: check if not called twice
        return self.get_container(container)

    def _writefile(self, container_name, path, filename, content):
        import tarfile
        import time
        from io import BytesIO
        tarstream = BytesIO()
        tar = tarfile.TarFile(fileobj = tarstream, mode = 'w')
        tarinfo = tarfile.TarInfo(name = filename)
        tarinfo.size = len(content)
        tarinfo.mtime = time.time()
        tar.addfile(tarinfo, BytesIO(content))
        tar.close()
        tarstream.seek(0)
        try:
            status = self.client.put_archive(container = container_name, path = path, data = tarstream)
            logger.info("container %s put_archive %s/%s returns %s" % (container_name, path, filename, status))
        except Exception as e:
            logger.error("container %s put_archive %s/%s fails -- %s" % (container_name, path, filename, e))


    def managemount(self, container):
        from kooplex.lib.fs_dirname import Dirname
        
        path, filename = os.path.split(self.dockerconf.get('mountconf', '/tmp/mount.conf'))
        mapper = []
        for v in container.volumes:
            mapper.extend([ "%s:%s" % (v.volumetype, d) for d in Dirname.containervolume_listfolders(container, v) ])
        #NOTE: mounter uses read to process the mapper configuration, thus we need to make sure '\n' terminates the config mapper file
#.........这里部分代码省略.........

# 需要导入模块: from docker.client import Client [as 别名]
# 或者: from docker.client.Client import images [as 别名]
class DockerPyClient(DockerClient):

    def __init__(self, remote, username=None, password=None, email=None):
        super(DockerPyClient,self).__init__()
        self.client = Client(base_url=remote, version='1.15')
        self.log = logging.getLogger(__name__)
        self.log.debug('password %s, remote = %s, username=%s', password, remote, username)
        if username:
            self.client.login(username=username, password=password, email=email)

    def docker_images(self, filters=None):
        return self.client.images(filters=filters)

    def __id(self, ioc):
        if ioc and 'Id' in ioc:
            return ioc['Id']
        return None
        
    def docker_containers(self):
        return [{
            'Id': cont['Id'],
            'Tag': cont['Image'],
            'Image': self.__id(self.image(cont['Image'])),
            'Names': cont['Names'],
            'Ports': cont['Ports'],
            'Created': cont['Created'],
            'Command': cont['Command'],
            'Status': cont['Status'],
            'Running': cont['Status'].startswith('Up ') or cont['Status'].startswith('Restarting ')
        } for cont in self.client.containers(all=True)]

    def docker_pull(self, image):

        (repository, tag) = self.tag(image)
        existing = self.image(image)

        for line in self.client.pull(repository=repository, stream=True, insecure_registry=True):
            parsed = json.loads(line)
            self.log.debug('parsed %s' % parsed)
            if 'error' in parsed:
                raise Exception(parsed['error'])

        # Check if image updated
        self.flush_images()
        newer = self.image(image)
        if not existing or (newer['Id'] != existing['Id']):
            return True

        return False

    def docker_run(self, entry):

        volumes = ['/var/log/ext']

        kwargs = {
            'image': entry['image'],
            'volumes': volumes,
            'detach': True,
            'environment': {
                'DOCKER_IMAGE': entry['image']
            }
        }

        if 'name' in entry:
            kwargs['name'] = entry['name']

        if 'env' in entry:
            kwargs['environment'].update(entry['env'])

        if 'cpu' in entry:
            kwargs['cpu_shares'] = entry['cpu']

        if 'memory' in entry:
            kwargs['mem_limit'] = entry['memory']

        if 'entrypoint' in entry:
            kwargs['entrypoint'] = entry['entrypoint']

        if 'command' in entry:
            kwargs['command'] = entry['command']

        if 'volumes' in entry:
            volumes.extend([vol['containerPath'] for vol in entry['volumes'] if 'containerPath' in vol])
            volsFrom = [vol['from'] for vol in entry['volumes'] if 'from' in vol]
            if len(volsFrom):
                kwargs['volumes_from'] = volsFrom

        if 'portMappings' in entry:
            kwargs['ports'] = [p['containerPort'] for p in entry['portMappings']]

        container = self.client.create_container(**kwargs)

        self.docker_start(container['Id'], entry)

        return container['Id']

    def docker_start(self, container, entry=None):

        logsBound = False
        binds = {}
#.........这里部分代码省略.........