How to use port_exposed method in localstack

Best Python code snippet using localstack_python

container_actions.py

Source:container_actions.py

1import os2import subprocess3import config4import json5import time6def start_container(args):7    8    '''9    This function is used in order to start a specific container.10    11    @param container_id: The id of the container.12    @return Success/Failure.13    @return log_msg: A list containing the log messages that occurred during the process.14    '''   15    16    t1 = time.time()17    log_msg = []18    flag_failure = False19    20    try:21        args = json.dumps(args)22        args = json.loads(args)23        container_id = args['container_id']24    except:25        flag_failure = True26        log_msg.append('Wrong arguments provided!')27        log_msg.append(args)28        t2 = time.time()29        timeElapsed = t2 - t130        return json.dumps({"exitStatus":"Failure", "message": log_msg, "timeElapsed": timeElapsed})31    32    command = 'echo "' + config.sudoer_password + '" | sudo --prompt="" -S docker start ' + container_id33    34    proc = subprocess.Popen([command], stdout=subprocess.PIPE, stderr=subprocess.STDOUT, shell = True)35    (out, err) = proc.communicate()36    out.decode("utf-8").split('\r\n')37    if(proc.returncode == 0):38        log_msg.append('Container started successfully')39    else:40        flag_failure = True41        log_msg.append('Container failed to start')42        log_msg.append(str(out))43    44    t2 = time.time()45    timeElapsed = t2 - t146        47    if(flag_failure):48        return json.dumps({"exitStatus":"Failure", "message": log_msg, "timeElapsed": timeElapsed})49    else:50        return json.dumps({"exitStatus":"Success", "message": log_msg, "timeElapsed": timeElapsed})51def stop_container(args):52    53    '''54    This function is used in order to stop a specific container.55    56    @param container_id: The id of the container.57    @return Success/Failure.58    @return log_msg: A list containing the log messages that occurred during the process.59    '''   60    61    t1 = time.time()62    log_msg = []63    flag_failure = False64    65    try:66        args = json.dumps(args)67        args = json.loads(args)68        container_id = args['container_id']69    except:70        flag_failure = True71        log_msg.append('Wrong arguments provided!')72        log_msg.append(args)73        t2 = time.time()74        timeElapsed = t2 - t175        return json.dumps({"exitStatus":"Failure", "message": log_msg, "timeElapsed": timeElapsed})76    77    command = 'echo "' + config.sudoer_password + '" | sudo --prompt="" -S docker stop ' + container_id78    79    proc = subprocess.Popen([command], stdout=subprocess.PIPE, stderr=subprocess.STDOUT, shell = True)80    (out, err) = proc.communicate()81    out.decode("utf-8").split('\r\n')82    if(proc.returncode == 0):83        log_msg.append('Container stopped successfully')84    else:85        flag_failure = True86        log_msg.append('Container failed to stop')87        log_msg.append(str(out))88    89    t2 = time.time()90    timeElapsed = t2 - t191    92    if(flag_failure):93        return json.dumps({"exitStatus":"Failure", "message": log_msg, "timeElapsed": timeElapsed})94    else:95        return json.dumps({"exitStatus":"Success", "message": log_msg, "timeElapsed": timeElapsed})96def deploy_container(args):97    98    '''99    This function is used in order to deploy a container based on a given predefined image.100    101    @param image_name: The name of the predefined image.102    @param container_name: The name of the container.103    @param port_exposed: The port number to be exposed by the container.104    @return Success/Failure.105    @return log_msg: A list containing the log messages that occurred during the process.106    '''   107    108    t1 = time.time()109    log_msg = []110    flag_failure = False111    112    try:113        args = json.dumps(args)114        args = json.loads(args)115        image_name = args['image_name']116        container_name = args['container_name']117        port_exposed = args['port_exposed']118    except:119        flag_failure = True120        log_msg.append('Wrong arguments provided!')121        log_msg.append(args)122        t2 = time.time()123        timeElapsed = t2 - t1124        return json.dumps({"exitStatus":"Failure", "message": log_msg, "timeElapsed": timeElapsed})125    126    command = 'echo "' + config.sudoer_password + '" | sudo --prompt="" -S docker run -d -t --name ' + container_name + ' --publish ' + port_exposed + ':' + port_exposed + ' ' + image_name 127    128    proc = subprocess.Popen([command], stdout=subprocess.PIPE, stderr=subprocess.STDOUT, shell = True)129    (out, err) = proc.communicate()130    out.decode("utf-8").split('\r\n')131 132    if(proc.returncode == 0):133        log_msg.append('Container deployment successful')134    else:135        flag_failure = True136        log_msg.append('Container deployment failed')137        log_msg.append(str(out))138    139    t2 = time.time()140    timeElapsed = t2 - t1141    142    if(flag_failure):143        return json.dumps({"exitStatus":"Failure", "message": log_msg, "timeElapsed": timeElapsed})144    else:145        return json.dumps({"exitStatus":"Success", "message": log_msg, "timeElapsed": timeElapsed, "container_id": out.replace('\n','')})146def delete_container(args):147    148    '''149    This function is used in order to delete a specific container.150    151    @param container_id: The id of the container.152    @return Success/Failure.153    @return log_msg: A list containing the log messages that occurred during the process.154    '''   155    156    t1 = time.time()157    log_msg = []158    flag_failure = False159    160    try:161        args = json.dumps(args)162        args = json.loads(args)163        container_id = args['container_id']164    except:165        flag_failure = True166        log_msg.append('Wrong arguments provided!')167        log_msg.append(args)168        t2 = time.time()169        timeElapsed = t2 - t1170        return json.dumps({"exitStatus":"Failure", "message": log_msg, "timeElapsed": timeElapsed})171    172    command = 'echo "' + config.sudoer_password + '" | sudo --prompt="" -S docker rm ' + container_id 173    174    proc = subprocess.Popen([command], stdout=subprocess.PIPE, stderr=subprocess.STDOUT, shell = True)175    (out, err) = proc.communicate()176    out.decode("utf-8").split('\r\n')177    if(proc.returncode == 0):178        log_msg.append('Container removed successfully.')179    else:180        flag_failure = True181        log_msg.append('Container removal failure. Maybe the container is still active')182        log_msg.append(str(out))183    184    t2 = time.time()185    timeElapsed = t2 - t1186    187    if(flag_failure):188        return json.dumps({"exitStatus":"Failure", "message": log_msg, "timeElapsed": timeElapsed})189    else:190        return json.dumps({"exitStatus":"Success", "message": log_msg, "timeElapsed": timeElapsed})191def get_container_details(args):192    '''193    This function is used in order to get all the details a specific container.194    195    @param container_id: The id of the container.196    @return Success/Failure.197    @return When Success it returns a dictionary containing the information of the container,198            Null in case of Failure  199    '''   200    201    t1 = time.time()202    203    try:204        args = json.dumps(args)205        args = json.loads(args)206        container_id = args['container_id']207    except:208        t2 = time.time()209        timeElapsed = t2 - t1210        return json.dumps({"exitStatus":"Failure", "message": "NULL", "timeElapsed": timeElapsed})211    212    213    command = 'echo "' + config.sudoer_password + '" | sudo --prompt="" -S docker inspect ' + container_id214    proc = subprocess.Popen([command], stdout=subprocess.PIPE, stderr=subprocess.STDOUT, shell = True)215    (out, err) = proc.communicate()216    out.decode("utf-8").split('\r\n')217    218    t2 = time.time()219    timeElapsed = t2 - t1220    221    if(proc.returncode == 0):222        try:223            container_info = json.loads(out)[0]224            return json.dumps({"exitStatus":"Success", "message": container_info, "timeElapsed": timeElapsed})225        except:226            return json.dumps({"exitStatus":"Failure", "message": "NULL", "timeElapsed": timeElapsed})227    else:228        return json.dumps({"exitStatus":"Failure", "message": "NULL", "timeElapsed": timeElapsed})229    230def check_if_active(args):231     232    '''233    This function is used in order to check whether a specific container is active or not.234     235    @param container_id: The id of the container.236    @return True/False/Failure.237    @return log_msg: A list containing the log messages that occurred during the process.238    '''   239     240    t1 = time.time()241    242    try:243        arguments = json.dumps(args)244        arguments = json.loads(arguments)245        container_id = args['container_id']246    except:247        t2 = time.time()248        timeElapsed = t2 - t1249        return json.dumps({"exitStatus":"Failure", "message": "NULL", "timeElapsed": timeElapsed})250    251    info = json.loads(get_container_details(args))252    if (info['exitStatus'] == "Success"):253        return json.dumps({"exitStatus":"Success", "message": info['message']['State']['Running'], "timeElapsed": info['timeElapsed']})254    else:255        return json.dumps({"exitStatus":"Failure", "message": "NULL", "timeElapsed": info['timeElapsed']})256    257def perform_action_inside_container(args):258    '''259    This function is used in order to perform an action inside a specific container.260    261    @param container_id: The id of the container.262    @param function_details: A dictionary containing all the details of the function to be called.263            e.x.:{264                    "function_name": "the name of the function",265                    "params": {266                        "var_1": "value_1",267                        ...,268                        "var_N": "value_N",269                    }270                }271    @return Success/Failure.272    @return When Success it returns a dictionary containing the information of the container,273            Null in case of Failure  274    '''   275    276    t1 = time.time()277    278    log_msg = []279    flag_failure = False280    281    try:282        arguments = json.dumps(args)283        arguments = json.loads(arguments)284        container_id = args['container_id']285        function_details = arguments['function_details']286    except:287        flag_failure = True288        log_msg.append('Wrong arguments provided!')289        log_msg.append(args)290        t2 = time.time()291        timeElapsed = t2 - t1292        return json.dumps({"exitStatus":"Failure", "message": log_msg, "timeElapsed": timeElapsed})293    294    function_call = '"' + 'import malib.ma as malib; malib.' + function_details["function_name"] + '('295    args = function_details["params"].keys()296    if (len(args) > 0):297        for i in range(0, len(args) - 1):298            function_call = function_call + "'" + function_details["params"][args[i]] + "', "299    300        function_call = function_call + "'" + function_details["params"][args[(len(args) - 1)]] + "')" + '"'301    else:302        function_call = function_call + ")" + '"'303    command = 'echo "' + config.sudoer_password + '" | sudo --prompt="" -S docker exec ' + container_id + ' python3 -c ' + function_call304    proc = subprocess.Popen([command], stdout=subprocess.PIPE, stderr=subprocess.STDOUT, shell = True)305    (out, err) = proc.communicate()306    out.decode("utf-8").split('\r\n')307    308    t2 = time.time()309    timeElapsed = t2 - t1310    311    info = json.loads(out)312    if(proc.returncode == 0):313        return json.dumps({"exitStatus":info['exitStatus'], "message": info['message'], "timeElapsed": timeElapsed})314    else:...

main.py

Source:main.py

1# https://levelup.gitconnected.com/understanding-grpc-a-practical-application-in-go-and-python-f3003c9158ef2# imports for functionality3from src.undirected import Undirected4from src.dag import Dag5from src.grid import Grid6from src.graph import Graph7from src.tree import Tree8# for fun9import emoji10# imports for the server11import grpc12from src.generated.query_servicer_pb2 import ToyGraphDBResponse, Pong, Status, Success13from src.generated.query_servicer_pb2_grpc import (14    ToyGraphDBServicer,15    add_ToyGraphDBServicer_to_server,16)17from src.generated import query_servicer_pb2 as query__servicer__pb218import logging19from concurrent import futures20PORT_EXPOSED = 909021class ToyGraphDBServicerProxy(ToyGraphDBServicer):22    def __init__(self):23        pass24    def ping(self, request, context):25        return Pong(message="ALl hail GRPC")26    def read_graph(self, request, context):27        pass28    def create_graph(self, request, context):29        type_of_graph = request.type30        response = None31        print(request.type)32        try:33            # can be better34            graph = (35                Grid(request.grid.data)36                if type_of_graph == query__servicer__pb2.Type_of_graphs.GRID37                else None38            )39            graph = (40                Dag(request.grid.data)41                if type_of_graph == query__servicer__pb2.Type_of_graphs.DAG42                else None43            )44            graph = (45                Undirected(request.grid.data)46                if type_of_graph == query__servicer__pb2.Type_of_graphs.UNDIRECTED47                else None48            )49            response = ToyGraphDBResponse(50                status=None,51                error_message=None,52                success_message=Success(53                    code_number=query__servicer__pb2.Success.Code.ALL_GOOD,54                    message="yay",55                ),56            )57        except ValueError as e:58            response = ToyGraphDBResponse(59                status=None, error_message=None, success_message=None,60            )61        return response62    def call_functionality_in_graph(self, request, context):63        pass64def serve():65    server = grpc.server(futures.ThreadPoolExecutor(max_workers=10))66    add_ToyGraphDBServicer_to_server(ToyGraphDBServicerProxy(), server)67    server.add_insecure_port(f"[::]:{PORT_EXPOSED}")68    print(emoji.emojize(f"All systems go :rocket:"))69    server.start()70    server.wait_for_termination()71if __name__ == "__main__":72    logging.basicConfig()73    print(emoji.emojize(f"Running on port {PORT_EXPOSED} :thumbs_up:"))...

create_grid.py

Source:create_grid.py

1import grpc2from src.generated import query_servicer_pb2, query_servicer_pb2_grpc3from src.generated.query_servicer_pb2 import (4    Empty,5    ToyGraphDBRequest,6    Type_of_graphs,7    grid,8    List_of_integer,9    List_of_list_of_integer,10)11PORT_EXPOSED = 909012SAMPLE_GRID = [[0, 1, 1], [0, 1, 1], [0, 1, 1]]13DATABASE_NAME = "create_grid"14TABLE_NAME = "simple_grid"15# open a gRPC channel16channel = grpc.insecure_channel(f"localhost:{PORT_EXPOSED}")17# create a stub (client)18stub = query_servicer_pb2_grpc.ToyGraphDBStub(channel)19# make the call20response = stub.ping(Empty())21print(response)22# https://www.freecodecamp.org/news/googles-protocol-buffers-in-python/23# convert sample grid to data24list_of_integer = List_of_integer()25first_item = list_of_integer.add()26first_item.data.append([1,2,3])27grid_data = List_of_list_of_integer(data=list_of_integer)28grid_request_object = grid(data=grid_data)29request = ToyGraphDBRequest(30    type=Type_of_graphs.GRID,31    grid=grid_request_object,32    database=DATABASE_NAME,33    table=TABLE_NAME,34)35response = stub.create_graph(request)...

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