Best Python code snippet using localstack_python
lambda_executors.py
Source: lambda_executors.py
...273 ) % (runtime)274 LOG.debug(cmd)275 run_result = run(cmd)276 entry_point = run_result.strip('[]\n\r ')277 container_network = self.get_docker_container_network(func_arn)278 LOG.debug('Using entrypoint "%s" for container "%s" on network "%s".'279 % (entry_point, container_name, container_network))280 return ContainerInfo(container_name, entry_point)281 def destroy_docker_container(self, func_arn):282 """283 Stops and/or removes a docker container for a specific lambda function ARN.284 :param func_arn: The ARN of the lambda function.285 :return: None286 """287 with self.docker_container_lock:288 status = self.get_docker_container_status(func_arn)289 # Get the container name and id.290 container_name = self.get_container_name(func_arn)291 if status == 1:292 LOG.debug('Stopping container: %s' % container_name)293 cmd = (294 'docker stop -t0 %s'295 ) % (container_name)296 LOG.debug(cmd)297 run(cmd, asynchronous=False, stderr=subprocess.PIPE, outfile=subprocess.PIPE)298 status = self.get_docker_container_status(func_arn)299 if status == -1:300 LOG.debug('Removing container: %s' % container_name)301 cmd = (302 'docker rm %s'303 ) % (container_name)304 LOG.debug(cmd)305 run(cmd, asynchronous=False, stderr=subprocess.PIPE, outfile=subprocess.PIPE)306 def get_all_container_names(self):307 """308 Returns a list of container names for lambda containers.309 :return: A String[] localstack docker container names for each function.310 """311 with self.docker_container_lock:312 LOG.debug('Getting all lambda containers names.')313 cmd = 'docker ps -a --filter="name=localstack_lambda_*" --format "{{.Names}}"'314 LOG.debug(cmd)315 cmd_result = run(cmd, asynchronous=False, stderr=subprocess.PIPE, outfile=subprocess.PIPE).strip()316 if len(cmd_result) > 0:317 container_names = cmd_result.split('\n')318 else:319 container_names = []320 return container_names321 def destroy_existing_docker_containers(self):322 """323 Stops and/or removes all lambda docker containers for localstack.324 :return: None325 """326 with self.docker_container_lock:327 container_names = self.get_all_container_names()328 LOG.debug('Removing %d containers.' % len(container_names))329 for container_name in container_names:330 cmd = 'docker rm -f %s' % container_name331 LOG.debug(cmd)332 run(cmd, asynchronous=False, stderr=subprocess.PIPE, outfile=subprocess.PIPE)333 def get_docker_container_status(self, func_arn):334 """335 Determine the status of a docker container.336 :param func_arn: The ARN of the lambda function.337 :return: 1 If the container is running,338 -1 if the container exists but is not running339 0 if the container does not exist.340 """341 with self.docker_container_lock:342 # Get the container name and id.343 container_name = self.get_container_name(func_arn)344 # Check if the container is already running345 # Note: filtering by *exact* name using regex filter '^...$' seems unstable on some346 # systems. Therefore, we use a combination of filter and grep to get the results.347 cmd = ('docker ps -a --filter name=\'%s\' '348 '--format "{{ .Status }} - {{ .Names }}" '349 '| grep -w "%s" | cat') % (container_name, container_name)350 LOG.debug('Getting status for container "%s": %s' % (container_name, cmd))351 cmd_result = run(cmd)352 # If the container doesn't exist. Create and start it.353 container_status = cmd_result.strip()354 if len(container_status) == 0:355 return 0356 if container_status.lower().startswith('up '):357 return 1358 return -1359 def get_docker_container_network(self, func_arn):360 """361 Determine the network of a docker container.362 :param func_arn: The ARN of the lambda function.363 :return: name of the container network364 """365 with self.docker_container_lock:366 status = self.get_docker_container_status(func_arn)367 # container does not exist368 if status == 0:369 return ''370 # Get the container name.371 container_name = self.get_container_name(func_arn)372 # Get the container network373 LOG.debug('Getting container network: %s' % container_name)...
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