How to use container_exists method in localstack

Best Python code snippet using localstack_python

podman_api.py

Source:podman_api.py

...150            logger.warning(f"Could not create container {name}. {result.message.get('cause')}")151        return ''152    def container_delete(self, name: str) -> None:153        logger.info(f'Delete container {name}')154        container_exists = self.container_exists(name)155        if container_exists:156            container_status = 'unkown'157            container_details = self.container_inspect(name)158            container_states = container_details.get('state')159            if container_states:160                container_status = container_states.get('Status')161            if container_status == 'exited' or container_status == 'configured':162                url = f'/{self.api_version}/libpod/containers/{name}'163                resp = self.podman_socket.delete(url=url)164                result = PodmanApiResponse(resp)165            else:166                logger.warning(f"Can not delete container with status {container_status}")167                return168        else:169            logger.warning(f"container {name} does not exist")170            return171        if result.successfully:172            logger.info(f"Deleted container {name}")173        else:174            logger.warning(f"Could not delete Container {name}")175            if result.message:176                logger.warning(f"{result.message.get('cause')}")177    def container_start(self, name: str) -> None:178        logger.info(f'Start container {name}')179        container_exists = self.container_exists(name)180        if container_exists:181            url = f'/{self.api_version}/libpod/containers/{name}/start'182            resp = self.podman_socket.post(url=url)183            result = PodmanApiResponse(resp)184        else:185            logger.warning(f"Could not start container {name}. Container does not exists")186            return187        if result.successfully:188            logger.info(f"Started container {name}")189        else:190            logger.warning(f"Could not start container {name}. {result.message.get('cause')}")191    def container_stop(self, name: str) -> None:192        logger.info(f'Stop container {name}')193        if self.container_exists(name):194            url = f'/{self.api_version}/libpod/containers/{name}/stop'195            resp = self.podman_socket.post(url=url, timeout=60)196            result = PodmanApiResponse(resp)197        else:198            logger.warning(f"Could not stop container {name}. Container does not exists")199            return200        if result.successfully:201            logger.info(f"Stopped container {name}")202        else:203            logger.warning(f"Could not stop container {name}. {result.message.get('cause')}")204    def container_inspect(self, name: str) -> Dict[str, Any]:205        logger.debug(f'Inspect container {name}')206        if self.container_exists(name):207            url = f'/{self.api_version}/libpod/containers/{name}/json'208            resp = self.podman_socket.get(url)209            result = PodmanApiResponse(resp)210        else:211            logger.warning(f"container {name} does not exist")212            return {}213        if result.successfully and isinstance(result.message, dict):214            return result.message215        else:216            return {}217    def container_exists(self, name: str) -> bool:218        if name:219            url = f'/{self.api_version}/libpod/containers/{name}/exists'220            resp = self.podman_socket.get(url)221            result = PodmanApiResponse(resp)222        else:223            logger.warning("No container name was given")224            return False225        if result.successfully:226            return True227        else:228            return False229    def container_pause(self, name: str) -> None:230        logger.info(f'Pause container {name}')231        container_exists = self.container_exists(name)232        if container_exists:233            url = f'/{self.api_version}/libpod/containers/{name}/pause'234            resp = self.podman_socket.post(url=url)235            result = PodmanApiResponse(resp)236        else:237            logger.warning(f"container {name} does not exist")238            return239        if result.successfully:240            logger.info(f"Paused container {name}")241        else:242            logger.warning(f"Could not pause Container {name}")243            if result.message:244                logger.warning(f"{result.message.get('cause')}")245    def container_unpause(self, name: str) -> None:246        logger.info(f'Unpause container {name}')247        container_exists = self.container_exists(name)248        if container_exists:249            url = f'/{self.api_version}/libpod/containers/{name}/unpause'250            resp = self.podman_socket.post(url=url)251            result = PodmanApiResponse(resp)252        else:253            logger.warning(f"container {name} does not exist")254            return255        if result.successfully:256            logger.info(f"Unpaused container {name}")257        else:258            logger.warning(f"Could not unpause container {name}")259            if result.message:260                logger.warning(f"{result.message.get('cause')}")261    def container_wait(262        self,263        name: str,264        condition: str = "exited",265        request_interval: str = "250ms"266    ) -> None:267        logger.info(f'Wait for container {name}')268        container_exists = self.container_exists(name)269        if container_exists:270            url = f'/{self.api_version}/libpod/containers/{name}/wait'271            resp = self.podman_socket.post(272                url=url,273                query_params={274                    'condition': condition,275                    'interval': request_interval276                },277                timeout=1000278            )279            result = PodmanApiResponse(resp)280        else:281            logger.warning(f"container {name} does not exist")282            return283        if result.successfully:284            logger.info(f"Contidion {condition} of container {name} reached")285        else:286            logger.warning(f"Could not wait for container {name}")287            if result.message:288                logger.warning(f"{result.message.get('cause')}")289    def container_exec(self, name: str, cmd: List) -> None:290        logger.info(f'Execute {cmd} in container {name}')291        body = {'Cmd': cmd}292        url = f'/{self.api_version}/libpod/containers/{name}/exec'293        resp = self.podman_socket.post(294            url=url,295            body=body,296        )297        result = PodmanApiResponse(resp)298        if result.successfully:299            logger.info(f"Successfully executed {cmd} in container {name}")300        else:301            logger.warning(f"Could not execute {cmd} in container {name}. {result.message.get('cause')}")302    def container_logs(303        self,304        name: str,305        follow: bool = False,306        since: str = None,307        until: str = None,308        stderr: bool = True,309        stdout: bool = True,310        timestamp: bool = False311    ) -> str:312        logger.info(f'Get logs from container {name}')313        container_exists = self.container_exists(name)314        if container_exists:315            url = f'/{self.api_version}/libpod/containers/{name}/logs'316            resp = self.podman_socket.get(317                url=url,318                query_params={319                    "follow": follow,320                    "since": since,321                    "until": until,322                    "stderr": stderr,323                    "stdout": stdout,324                    "timestamp": timestamp325                }326            )327            decoded_content = resp.content.decode('utf-8')...

docker_sdk_wrappers.py

Source:docker_sdk_wrappers.py

1from functools import wraps2import luigi3from luigi.contrib.docker_runner import DockerTask4def complete(task_obj):5    task_obj.complete()6    return task_obj7def container_status(container_inspect_info, status="running"):8    prev_state = container_inspect_info.get('State', None)9    prev_status = ''10    if prev_state:11        prev_status = prev_state.get("Status", "")12    if prev_status == status:13        return True14    else:15        return False16def create_container(self_obj, *args0, **kwargs0):17    client_method = getattr(self_obj._client, "exec_start")18    @wraps(client_method)19    def wrapped_client_method(*args, **kwargs):20        return client_method(*args0, **kwargs0)21    return wrapped_client_method22def build_image_from_dockerfile(self_obj, *args0, **kwargs0):23    """24    path (str) â Path to the directory containing the Dockerfile25    fileobj â A file object to use as the Dockerfile. (Or a file-like object)26    tag (str) â A tag to add to the final image27    quiet (bool) â Whether to return the status28    nocache (bool) â Donât use the cache when set to True29    rm (bool) â Remove intermediate containers. The docker build command now defaults to --rm=true, but we have kept30    the old default of False to preserve backward compatibility31    timeout (int) â HTTP timeout32    custom_context (bool) â Optional if using fileobj33    encoding (str) â The encoding for a stream. Set to gzip for compressing34    pull (bool) â Downloads any updates to the FROM image in Dockerfiles35    forcerm (bool) â Always remove intermediate containers, even after unsuccessful builds36    dockerfile (str) â path within the build context to the Dockerfile37    buildargs (dict) â A dictionary of build arguments38    container_limits (dict) â39    A dictionary of limits applied to each container created by the build process. Valid keys:40    memory (int): set memory limit for build41    memswap (int): Total memory (memory + swap), -1 to disable42    swap43    cpushares (int): CPU shares (relative weight)44    cpusetcpus (str): CPUs in which to allow execution, e.g., "0-3", "0,1"45    decode (bool) â If set to True, the returned stream will be decoded into dicts on the fly. Default False46    shmsize (int) â Size of /dev/shm in bytes. The size must be greater than 0. If omitted the system uses 64MB47    labels (dict) â A dictionary of labels to set on the image48    cache_from (list) â A list of images used for build cache resolution49    target (str) â Name of the build-stage to build in a multi-stage Dockerfile50    network_mode (str) â networking mode for the run commands during build51    squash (bool) â Squash the resulting images layers into a single layer.52    extra_hosts (dict) â Extra hosts to add to /etc/hosts in building containers, as a mapping of hostname to IP address.53    platform (str) â Platform in the format os[/arch[/variant]]54    isolation (str) â Isolation technology used during build. Default: None.55    use_config_proxy (bool) â If True, and if the docker client configuration file (~/.docker/config.json by default)56    contains a proxy configuration, the corresponding environment variables will be set in the container being built.57    :param self_obj:58    :param args0:59    :param kwargs0:60    :return:61    """62    client_method = getattr(self_obj._client, "build")63    @wraps(client_method)64    def wrapped_client_method(*args, **kwargs):65        return client_method(*args0, **kwargs0)66    return wrapped_client_method67class PruneContainers(luigi.ExternalTask, DockerTask):68    filters = luigi.DictParameter(default=None)69    is_complete = luigi.BoolParameter(default=False)70    def complete(self):71        if not self.is_complete:72            if self.filters:73                filters = self.filters74            else:75                filters = None76            dict_to_return = self._client.prune_containers(filters)77            self.is_complete = True78        return self.is_complete79    def run(self):80        pass81class PruneNetworks(luigi.ExternalTask, DockerTask):82    filters = luigi.DictParameter(default=None)83    is_complete = luigi.BoolParameter(False)84    def complete(self):85        if not self.is_complete:86            if self.filters:87                filters = self.filters88            else:89                filters = None90            dict_to_return = self._client.prune_networks(filters)91            self.is_complete = True92        return self.is_complete93    def run(self):94        pass95class ContainerExists(luigi.ExternalTask, DockerTask):96    name = luigi.Parameter(default="")97    container_exists = luigi.BoolParameter(False)98    check_complete_on_run = luigi.BoolParameter(default=True)99    def complete(self):100        pre_existing = self._client.containers(all=True, filters={"name": self.name})101        if len(pre_existing) >= 1:102            self.container_exists = True103            return True104        else:105            self.container_exists = False106            return True107    def run(self):108        self.complete()109class StopContainers(luigi.ExternalTask, DockerTask):110    is_complete = luigi.BoolParameter(default=False)111    check_complete_on_run = luigi.BoolParameter(default=True)112    all_containers_stopped = luigi.BoolParameter(default=False)113    def complete(self):114        all_containers = self._client.containers(all=True)115        if all_containers:116            all_stopped = all([c['State'] == "exited" for c in all_containers])117            if all_stopped:118                self.all_containers_stopped = True119                return True120            else:121                return False122        else:123            return True124    def run(self):125        if self.all_containers_stopped:126            pass127        else:128            if not self.is_complete:129                all_containers = self._client.containers(all=True)130                if all_containers:131                    all_stopped = all([c['State'] == "exited" for c in all_containers])132                    while not all_stopped:133                        for c in all_containers:134                            if c['State'] != "exited":135                                try:136                                    self._client.kill(c['Id'])137                                except Exception as e:138                                    print(e)139                        all_containers = self._client.containers(all=True)140                        all_stopped = all([c['State'] == "exited" for c in all_containers])141                    if all_stopped:142                        self.all_containers_stopped = True143                        self.is_complete = True144class ContainerIsRunning(luigi.ExternalTask, DockerTask):145    name = luigi.Parameter(default="")146    container_is_running = luigi.BoolParameter(False)147    is_complete = luigi.BoolParameter(False)148    check_complete_on_run = luigi.BoolParameter(default=True)149    def complete(self):150        container_exists = complete(ContainerExists(name=self.name)).container_exists151        if container_exists:152            prev_container_info = self._client.inspect_container(self.name)153            is_running = container_status(prev_container_info, status="running")154            if is_running:155                self.is_complete = True156                self.container_is_running = True157            else:158                self.is_complete = True159                self.container_is_running = False160        else:161            self.is_complete = True162            self.container_is_running = False163        return self.is_complete164    def run(self):165        self.complete()166class StartContainer(luigi.ExternalTask, DockerTask):167    name = luigi.Parameter(default="")168    container_is_running = luigi.BoolParameter(False)169    is_complete = luigi.BoolParameter(False)170    check_complete_on_run = luigi.BoolParameter(default=True)171    def complete(self):172        container_exists = complete(ContainerExists(name=self.name)).container_exists173        if container_exists:174            is_running = complete(ContainerIsRunning(name=self.name)).container_is_running175            if is_running:176                self.is_complete = True177                self.container_is_running = True178            else:179                self.is_complete = False180                self.container_is_running = False181        else:182            self.is_complete = False183            self.container_is_running = False184        return self.is_complete185    def run(self):186        if not self.is_complete:187            container_exists = complete(ContainerExists(name=self.name)).container_exists188            if container_exists:189                prev_container_info = self._client.inspect_container(self.name)190                is_exited = container_status(prev_container_info, status="exited")191                if is_exited:192                    self._client.start(prev_container_info['Id'])193                    while not self.container_is_running:194                        self.complete()195class CreateNetwork(luigi.ExternalTask, DockerTask):196    network_name = luigi.Parameter("grid")197    is_complete = luigi.BoolParameter(False)198    def complete(self):199        if not self.is_complete:200            network_info = self._client.create_network(self.network_name, check_duplicate=True)201            self.is_complete = True202            return self.is_complete203        else:204            return self.is_complete205    def run(self):...

test_container.py

Source:test_container.py

...14    assert c.status.paused is False15    ip_addr = c.status.ip_addr16    assert not c.is_port_live(22)17    assert not scan_port(ip_addr, 22)18    assert container_exists(c.name)19    c.pause()20    assert c.status.exists is True21    assert c.status.running is True22    assert c.status.paused is True23    assert_raises(RuntimeError, c.poll, 22)24    c.unpause()25    assert c.status.exists is True26    assert c.status.running is True27    assert c.status.paused is False28    c.stop()29    assert c.status.exists is True30    assert c.status.running is False31    assert c.status.paused is False32    assert not c.is_port_live(22)33    assert_raises(RuntimeError, c.poll, 22)34    c.start()35    assert c.status.exists is True36    assert c.status.running is True37    assert c.status.paused is False38    c.remove()39    assert c.status.exists is False40    assert c.status.running is False41    assert c.status.paused is False42    assert not container_exists(c.name)43    assert not c.is_port_live(22)44    assert_raises(socket.error, scan_port, ip_addr, 22)45#-------------------------------------------------------------------------------46# Container context manager47def test_container():48    name = 'foobarbaz1'49    assert not container_exists(name)50    class Foo(Exception): pass51    raised = False52    try:53        with container('mbodenhamer/alpine-data', name=name) as c:54            assert c.name == name55            assert container_exists(name)56            raise Foo57    except Foo:58        raised = True59    # Test that container() deletes the container even if there is an error60    assert raised61    assert not container_exists(name)62#-------------------------------------------------------------------------------63# Polling64def test_polling():65    with container('mbodenhamer/echoserver') as c:66        c.poll(5000, timeout=5)67        assert c.is_port_live(5000)68        assert not c.is_port_live(5001)69        assert_raises(RuntimeError, c.poll, 5001, timeout=1)70#-------------------------------------------------------------------------------71if __name__ == '__main__': # pragma: no cover72    from syn.base_utils import run_all_tests...

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