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[Notes] [Git][BuildGrid/buildgrid][mablanch/23-new-logging] 13 commits: client/cas.py: Preserve file executability on download

Title: GitLab

Martin Blanchard pushed to branch mablanch/23-new-logging at BuildGrid / buildgrid

Commits:

16 changed files:

Changes:

  • .pylintrc
    ... ... @@ -460,6 +460,7 @@ known-third-party=boto3,
    460 460 
                       enchant,
    461 461 
                       google,
    462 462 
                       grpc,
    463 
    +                  janus,
    463 464 
                       moto,
    464 465 
                       yaml
    465 466
    ... ... @@ -523,4 +524,4 @@ valid-metaclass-classmethod-first-arg=mcs
    523 524
    524 525 
     # Exceptions that will emit a warning when being caught. Defaults to
    525 526 
     # "Exception"
    526 
    -overgeneral-exceptions=Exception
    527 
    +overgeneral-exceptions=Exception
    \ No newline at end of file

  • buildgrid/_app/cli.py
    ... ... @@ -152,14 +152,13 @@ def cli(context, verbose):
    152 152 
         for log_filter in logger.filters[:]:
    153 153 
             logger.removeFilter(log_filter)
    154 154
    155 
    -    logging.basicConfig(
    156 
    -        format='%(asctime)s:%(name)32.32s][%(levelname)5.5s]: %(message)s')
    157 
    -
    158 
    -    if verbose == 1:
    159 
    -        logger.setLevel(logging.WARNING)
    160 
    -    elif verbose == 2:
    161 
    -        logger.setLevel(logging.INFO)
    162 
    -    elif verbose >= 3:
    163 
    -        logger.setLevel(logging.DEBUG)
    164 
    -    else:
    165 
    -        logger.setLevel(logging.ERROR)
    155 
    +    if verbose > 0:
    156 
    +        logging.basicConfig(
    157 
    +            format='%(asctime)s:%(name)32.32s][%(levelname)5.5s]: %(message)s')
    158 
    +
    159 
    +        if verbose == 1:
    160 
    +            logger.setLevel(logging.WARNING)
    161 
    +        elif verbose == 2:
    162 
    +            logger.setLevel(logging.INFO)
    163 
    +        elif verbose >= 3:
    164 
    +            logger.setLevel(logging.DEBUG)

  • buildgrid/_app/commands/cmd_server.py
    ... ... @@ -20,7 +20,6 @@ Server command
    20 20 
     Create a BuildGrid server.
    21 21 
     """
    22 22
    23 
    -import asyncio
    24 23 
     import logging
    25 24 
     import sys
    26 25
    ... ... @@ -52,18 +51,14 @@ def start(context, config):
    52 51 
             click.echo("ERROR: Could not parse config: {}.\n".format(str(e)), err=True)
    53 52 
             sys.exit(-1)
    54 53
    55 
    -    loop = asyncio.get_event_loop()
    56 54 
         try:
    57 55 
             server.start()
    58 
    -        loop.run_forever()
    59 56
    60 57 
         except KeyboardInterrupt:
    61 58 
             pass
    62 59
    63 60 
         finally:
    64 
    -        context.logger.info("Stopping server")
    65 61 
             server.stop()
    66 
    -        loop.close()
    67 62
    68 63
    69 64 
     def _create_server_from_config(config):

  • buildgrid/client/cas.py
    ... ... @@ -171,7 +171,7 @@ class Downloader:
    171 171
    172 172 
             return messages
    173 173
    174 
    -    def download_file(self, digest, file_path, queue=True):
    174 
    +    def download_file(self, digest, file_path, is_executable=False, queue=True):
    175 175 
             """Retrieves a file from the remote CAS server.
    176 176
    177 177 
             If queuing is allowed (`queue=True`), the download request **may** be
    ... ... @@ -181,6 +181,7 @@ class Downloader:
    181 181 
             Args:
    182 182 
                 digest (:obj:`Digest`): the file's digest to fetch.
    183 183 
                 file_path (str): absolute or relative path to the local file to write.
    184 
    +            is_executable (bool): whether the file is executable or not.
    184 185 
                 queue (bool, optional): whether or not the download request may be
    185 186 
                     queued and submitted as part of a batch upload request. Defaults
    186 187 
                     to True.
    ... ... @@ -193,9 +194,9 @@ class Downloader:
    193 194 
                 file_path = os.path.abspath(file_path)
    194 195
    195 196 
             if not queue or digest.size_bytes > FILE_SIZE_THRESHOLD:
    196 
    -            self._fetch_file(digest, file_path)
    197 
    +            self._fetch_file(digest, file_path, is_executable=is_executable)
    197 198 
             else:
    198 
    -            self._queue_file(digest, file_path)
    199 
    +            self._queue_file(digest, file_path, is_executable=is_executable)
    199 200
    200 201 
         def download_directory(self, digest, directory_path):
    201 202 
             """Retrieves a :obj:`Directory` from the remote CAS server.
    ... ... @@ -311,7 +312,7 @@ class Downloader:
    311 312
    312 313 
             return read_blobs
    313 314
    314 
    -    def _fetch_file(self, digest, file_path):
    315 
    +    def _fetch_file(self, digest, file_path, is_executable=False):
    315 316 
             """Fetches a file using ByteStream.Read()"""
    316 317 
             if self.instance_name:
    317 318 
                 resource_name = '/'.join([self.instance_name, 'blobs',
    ... ... @@ -332,7 +333,10 @@ class Downloader:
    332 333
    333 334 
                 assert byte_file.tell() == digest.size_bytes
    334 335
    335 
    -    def _queue_file(self, digest, file_path):
    336 
    +        if is_executable:
    337 
    +            os.chmod(file_path, 0o755)  # rwxr-xr-x / 755
    338 
    +
    339 
    +    def _queue_file(self, digest, file_path, is_executable=False):
    336 340 
             """Queues a file for later batch download"""
    337 341 
             if self.__file_request_size + digest.ByteSize() > MAX_REQUEST_SIZE:
    338 342 
                 self.flush()
    ... ... @@ -341,22 +345,25 @@ class Downloader:
    341 345 
             elif self.__file_request_count >= MAX_REQUEST_COUNT:
    342 346 
                 self.flush()
    343 347
    344 
    -        self.__file_requests[digest.hash] = (digest, file_path)
    348 
    +        self.__file_requests[digest.hash] = (digest, file_path, is_executable)
    345 349 
             self.__file_request_count += 1
    346 350 
             self.__file_request_size += digest.ByteSize()
    347 351 
             self.__file_response_size += digest.size_bytes
    348 352
    349 353 
         def _fetch_file_batch(self, batch):
    350 354 
             """Sends queued data using ContentAddressableStorage.BatchReadBlobs()"""
    351 
    -        batch_digests = [digest for digest, _ in batch.values()]
    355 
    +        batch_digests = [digest for digest, _, _ in batch.values()]
    352 356 
             batch_blobs = self._fetch_blob_batch(batch_digests)
    353 357
    354 
    -        for (_, file_path), file_blob in zip(batch.values(), batch_blobs):
    358 
    +        for (_, file_path, is_executable), file_blob in zip(batch.values(), batch_blobs):
    355 359 
                 os.makedirs(os.path.dirname(file_path), exist_ok=True)
    356 360
    357 361 
                 with open(file_path, 'wb') as byte_file:
    358 362 
                     byte_file.write(file_blob)
    359 363
    364 
    +            if is_executable:
    365 
    +                os.chmod(file_path, 0o755)  # rwxr-xr-x / 755
    366 
    +
    360 367 
         def _fetch_directory(self, digest, directory_path):
    361 368 
             """Fetches a file using ByteStream.GetTree()"""
    362 369 
             # Better fail early if the local root path cannot be created:
    ... ... @@ -414,7 +421,7 @@ class Downloader:
    414 421 
             for file_node in root_directory.files:
    415 422 
                 file_path = os.path.join(root_path, file_node.name)
    416 423
    417 
    -            self._queue_file(file_node.digest, file_path)
    424 
    +            self._queue_file(file_node.digest, file_path, is_executable=file_node.is_executable)
    418 425
    419 426 
             for directory_node in root_directory.directories:
    420 427 
                 directory_path = os.path.join(root_path, directory_node.name)

  • buildgrid/server/bots/instance.py
    ... ... @@ -37,6 +37,10 @@ class BotsInterface:
    37 37 
             self._bot_sessions = {}
    38 38 
             self._scheduler = scheduler
    39 39
    40 
    +    @property
    41 
    +    def scheduler(self):
    42 
    +        return self._scheduler
    43 
    +
    40 44 
         def register_instance_with_server(self, instance_name, server):
    41 45 
             server.add_bots_interface(self, instance_name)
    42 46

  • buildgrid/server/bots/service.py
    ... ... @@ -23,8 +23,9 @@ import logging
    23 23
    24 24 
     import grpc
    25 25
    26 
    -from google.protobuf.empty_pb2 import Empty
    26 
    +from google.protobuf import empty_pb2, timestamp_pb2
    27 27
    28 
    +from buildgrid._enums import BotStatus
    28 29 
     from buildgrid._exceptions import InvalidArgumentError, OutOfSyncError
    29 30 
     from buildgrid._protos.google.devtools.remoteworkers.v1test2 import bots_pb2
    30 31 
     from buildgrid._protos.google.devtools.remoteworkers.v1test2 import bots_pb2_grpc
    ... ... @@ -32,24 +33,82 @@ from buildgrid._protos.google.devtools.remoteworkers.v1test2 import bots_pb2_grp
    32 33
    33 34 
     class BotsService(bots_pb2_grpc.BotsServicer):
    34 35
    35 
    -    def __init__(self, server):
    36 
    +    def __init__(self, server, monitor=True):
    36 37 
             self.__logger = logging.getLogger(__name__)
    37 38
    39 
    +        self.__bots_by_status = {}
    40 
    +        self.__bots_by_instance = {}
    41 
    +        self.__bots = {}
    42 
    +
    38 43 
             self._instances = {}
    44 
    +        self._is_monitored = True
    39 45
    40 46 
             bots_pb2_grpc.add_BotsServicer_to_server(self, server)
    41 47
    42 
    -    def add_instance(self, name, instance):
    43 
    -        self._instances[name] = instance
    48 
    +        if self._is_monitored:
    49 
    +            self.__bots_by_status[BotStatus.OK] = set()
    50 
    +            self.__bots_by_status[BotStatus.UNHEALTHY] = set()
    51 
    +            self.__bots_by_status[BotStatus.HOST_REBOOTING] = set()
    52 
    +            self.__bots_by_status[BotStatus.BOT_TERMINATING] = set()
    53 
    +
    54 
    +    # --- Public API ---
    55 
    +
    56 
    +    def add_instance(self, instance_name, instance):
    57 
    +        """Registers a new servicer instance.
    58 
    +
    59 
    +        Args:
    60 
    +            instance_name (str): The new instance's name.
    61 
    +            instance (BotsInterface): The new instance itself.
    62 
    +        """
    63 
    +        self._instances[instance_name] = instance
    64 
    +
    65 
    +        if self._is_monitored:
    66 
    +            self.__bots_by_instance[instance_name] = 0
    67 
    +
    68 
    +    def get_scheduler(self, instance_name):
    69 
    +        """Retrieves a reference to the scheduler for an instance.
    70 
    +
    71 
    +        Args:
    72 
    +            instance_name (str): The name of the instance to query.
    73 
    +
    74 
    +        Returns:
    75 
    +            Scheduler: A reference to the scheduler for `instance_name`.
    76 
    +
    77 
    +        Raises:
    78 
    +            InvalidArgumentError: If no instance named `instance_name` exists.
    79 
    +        """
    80 
    +        instance = self._get_instance(instance_name)
    81 
    +
    82 
    +        return instance.scheduler
    83 
    +
    84 
    +    # --- Public API: Servicer ---
    44 85
    45 86 
         def CreateBotSession(self, request, context):
    87 
    +        """Handles CreateBotSessionRequest messages.
    88 
    +
    89 
    +        Args:
    90 
    +            request (CreateBotSessionRequest): The incoming RPC request.
    91 
    +            context (grpc.ServicerContext): Context for the RPC call.
    92 
    +        """
    46 93 
             self.__logger.debug("CreateBotSession request from [%s]", context.peer())
    47 94
    95 
    +        instance_name = request.parent
    96 
    +        bot_status = BotStatus(request.bot_session.status)
    97 
    +        bot_id = request.bot_session.bot_id
    98 
    +
    48 99 
             try:
    49 
    -            parent = request.parent
    50 
    -            instance = self._get_instance(request.parent)
    51 
    -            return instance.create_bot_session(parent,
    52 
    -                                               request.bot_session)
    100 
    +            instance = self._get_instance(instance_name)
    101 
    +            bot_session = instance.create_bot_session(instance_name,
    102 
    +                                                      request.bot_session)
    103 
    +            now = timestamp_pb2.Timestamp()
    104 
    +            now.GetCurrentTime()
    105 
    +
    106 
    +            if self._is_monitored:
    107 
    +                self.__bots[bot_id] = now
    108 
    +                self.__bots_by_instance[instance_name] += 1
    109 
    +                self.__bots_by_status[bot_status].add(bot_id)
    110 
    +
    111 
    +            return bot_session
    53 112
    54 113 
             except InvalidArgumentError as e:
    55 114 
                 self.__logger.error(e)
    ... ... @@ -59,17 +118,36 @@ class BotsService(bots_pb2_grpc.BotsServicer):
    59 118 
             return bots_pb2.BotSession()
    60 119
    61 120 
         def UpdateBotSession(self, request, context):
    121 
    +        """Handles UpdateBotSessionRequest messages.
    122 
    +
    123 
    +        Args:
    124 
    +            request (UpdateBotSessionRequest): The incoming RPC request.
    125 
    +            context (grpc.ServicerContext): Context for the RPC call.
    126 
    +        """
    62 127 
             self.__logger.debug("UpdateBotSession request from [%s]", context.peer())
    63 128
    129 
    +        names = request.name.split("/")
    130 
    +        bot_status = BotStatus(request.bot_session.status)
    131 
    +        bot_id = request.bot_session.bot_id
    132 
    +
    64 133 
             try:
    65 
    -            names = request.name.split("/")
    66 
    -            # Operation name should be in format:
    67 
    -            # {instance/name}/{uuid}
    68 
    -            instance_name = ''.join(names[0:-1])
    134 
    +            instance_name = '/'.join(names[:-1])
    69 135
    70 136 
                 instance = self._get_instance(instance_name)
    71 
    -            return instance.update_bot_session(request.name,
    72 
    -                                               request.bot_session)
    137 
    +            bot_session = instance.update_bot_session(request.name,
    138 
    +                                                      request.bot_session)
    139 
    +
    140 
    +            if self._is_monitored:
    141 
    +                self.__bots[bot_id].GetCurrentTime()
    142 
    +                if bot_id not in self.__bots_by_status[bot_status]:
    143 
    +                    self.__bots_by_status[BotStatus.OK].discard(bot_id)
    144 
    +                    self.__bots_by_status[BotStatus.UNHEALTHY].discard(bot_id)
    145 
    +                    self.__bots_by_status[BotStatus.HOST_REBOOTING].discard(bot_id)
    146 
    +                    self.__bots_by_status[BotStatus.BOT_TERMINATING].discard(bot_id)
    147 
    +
    148 
    +                    self.__bots_by_status[bot_status].add(bot_id)
    149 
    +
    150 
    +            return bot_session
    73 151
    74 152 
             except InvalidArgumentError as e:
    75 153 
                 self.__logger.error(e)
    ... ... @@ -89,10 +167,40 @@ class BotsService(bots_pb2_grpc.BotsServicer):
    89 167 
             return bots_pb2.BotSession()
    90 168
    91 169 
         def PostBotEventTemp(self, request, context):
    170 
    +        """Handles PostBotEventTempRequest messages.
    171 
    +
    172 
    +        Args:
    173 
    +            request (PostBotEventTempRequest): The incoming RPC request.
    174 
    +            context (grpc.ServicerContext): Context for the RPC call.
    175 
    +        """
    92 176 
             self.__logger.debug("PostBotEventTemp request from [%s]", context.peer())
    93 177
    94 178 
             context.set_code(grpc.StatusCode.UNIMPLEMENTED)
    95 
    -        return Empty()
    179 
    +
    180 
    +        return empty_pb2.Empty()
    181 
    +
    182 
    +    # --- Public API: Monitoring ---
    183 
    +
    184 
    +    @property
    185 
    +    def is_monitored(self):
    186 
    +        return self._is_monitored
    187 
    +
    188 
    +    def query_n_bots(self):
    189 
    +        return len(self.__bots)
    190 
    +
    191 
    +    def query_n_bots_for_instance(self, instance_name):
    192 
    +        try:
    193 
    +            return self.__bots_by_instance[instance_name]
    194 
    +        except KeyError:
    195 
    +            return 0
    196 
    +
    197 
    +    def query_n_bots_for_status(self, bot_status):
    198 
    +        try:
    199 
    +            return len(self.__bots_by_status[bot_status])
    200 
    +        except KeyError:
    201 
    +            return 0
    202 
    +
    203 
    +    # --- Private API ---
    96 204
    97 205 
         def _get_instance(self, name):
    98 206 
             try:

  • buildgrid/server/execution/instance.py
    ... ... @@ -35,6 +35,10 @@ class ExecutionInstance:
    35 35 
             self._storage = storage
    36 36 
             self._scheduler = scheduler
    37 37
    38 
    +    @property
    39 
    +    def scheduler(self):
    40 
    +        return self._scheduler
    41 
    +
    38 42 
         def register_instance_with_server(self, instance_name, server):
    39 43 
             server.add_execution_instance(self, instance_name)
    40 44

  • buildgrid/server/execution/service.py
    ... ... @@ -33,30 +33,79 @@ from buildgrid._protos.google.longrunning import operations_pb2
    33 33
    34 34 
     class ExecutionService(remote_execution_pb2_grpc.ExecutionServicer):
    35 35
    36 
    -    def __init__(self, server):
    36 
    +    def __init__(self, server, monitor=True):
    37 37 
             self.__logger = logging.getLogger(__name__)
    38 38
    39 
    +        self.__peers_by_instance = {}
    40 
    +        self.__peers = {}
    41 
    +
    39 42 
             self._instances = {}
    43 
    +        self._is_monitored = True
    44 
    +
    40 45 
             remote_execution_pb2_grpc.add_ExecutionServicer_to_server(self, server)
    41 46
    42 
    -    def add_instance(self, name, instance):
    43 
    -        self._instances[name] = instance
    47 
    +    # --- Public API ---
    48 
    +
    49 
    +    def add_instance(self, instance_name, instance):
    50 
    +        """Registers a new servicer instance.
    51 
    +
    52 
    +        Args:
    53 
    +            instance_name (str): The new instance's name.
    54 
    +            instance (ExecutionInstance): The new instance itself.
    55 
    +        """
    56 
    +        self._instances[instance_name] = instance
    57 
    +
    58 
    +        if self._is_monitored:
    59 
    +            self.__peers_by_instance[instance_name] = set()
    60 
    +
    61 
    +    def get_scheduler(self, instance_name):
    62 
    +        """Retrieves a reference to the scheduler for an instance.
    63 
    +
    64 
    +        Args:
    65 
    +            instance_name (str): The name of the instance to query.
    66 
    +
    67 
    +        Returns:
    68 
    +            Scheduler: A reference to the scheduler for `instance_name`.
    69 
    +
    70 
    +        Raises:
    71 
    +            InvalidArgumentError: If no instance named `instance_name` exists.
    72 
    +        """
    73 
    +        instance = self._get_instance(instance_name)
    74 
    +
    75 
    +        return instance.scheduler
    76 
    +
    77 
    +    # --- Public API: Servicer ---
    44 78
    45 79 
         def Execute(self, request, context):
    80 
    +        """Handles ExecuteRequest messages.
    81 
    +
    82 
    +        Args:
    83 
    +            request (ExecuteRequest): The incoming RPC request.
    84 
    +            context (grpc.ServicerContext): Context for the RPC call.
    85 
    +        """
    46 86 
             self.__logger.debug("Execute request from [%s]", context.peer())
    47 87
    88 
    +        instance_name = request.instance_name
    89 
    +        message_queue = queue.Queue()
    90 
    +        peer = context.peer()
    91 
    +
    48 92 
             try:
    49 
    -            message_queue = queue.Queue()
    50 
    -            instance = self._get_instance(request.instance_name)
    93 
    +            instance = self._get_instance(instance_name)
    51 94 
                 operation = instance.execute(request.action_digest,
    52 95 
                                              request.skip_cache_lookup,
    53 96 
                                              message_queue)
    54 97
    55 
    -            context.add_callback(partial(instance.unregister_message_client,
    56 
    -                                         operation.name, message_queue))
    98 
    +            context.add_callback(partial(self._rpc_termination_callback,
    99 
    +                                         peer, instance_name, operation.name, message_queue))
    57 100
    58 
    -            instanced_op_name = "{}/{}".format(request.instance_name,
    59 
    -                                               operation.name)
    101 
    +            if self._is_monitored:
    102 
    +                if peer not in self.__peers:
    103 
    +                    self.__peers_by_instance[instance_name].add(peer)
    104 
    +                    self.__peers[peer] = 1
    105 
    +                else:
    106 
    +                    self.__peers[peer] += 1
    107 
    +
    108 
    +            instanced_op_name = "{}/{}".format(instance_name, operation.name)
    60 109
    61 110 
                 self.__logger.info("Operation name: [%s]", instanced_op_name)
    62 111
    ... ... @@ -80,23 +129,37 @@ class ExecutionService(remote_execution_pb2_grpc.ExecutionServicer):
    80 129 
                 yield operations_pb2.Operation()
    81 130
    82 131 
         def WaitExecution(self, request, context):
    132 
    +        """Handles WaitExecutionRequest messages.
    133 
    +
    134 
    +        Args:
    135 
    +            request (WaitExecutionRequest): The incoming RPC request.
    136 
    +            context (grpc.ServicerContext): Context for the RPC call.
    137 
    +        """
    83 138 
             self.__logger.debug("WaitExecution request from [%s]", context.peer())
    84 139
    85 
    -        try:
    86 
    -            names = request.name.split("/")
    140 
    +        names = request.name.split('/')
    141 
    +        instance_name = '/'.join(names[:-1])
    142 
    +        operation_name = names[-1]
    143 
    +        message_queue = queue.Queue()
    144 
    +        peer = context.peer()
    87 145
    88 
    -            # Operation name should be in format:
    89 
    -            # {instance/name}/{operation_id}
    90 
    -            instance_name = ''.join(names[0:-1])
    146 
    +        try:
    147 
    +            if instance_name != request.instance_name:
    148 
    +                raise InvalidArgumentError("Invalid operation [{}] for instance [{}]"
    149 
    +                                            .format(request.name, instance_name))
    91 150
    92 
    -            message_queue = queue.Queue()
    93 
    -            operation_name = names[-1]
    94 151 
                 instance = self._get_instance(instance_name)
    95 152
    96 153 
                 instance.register_message_client(operation_name, message_queue)
    154 
    +            context.add_callback(partial(self._rpc_termination_callback,
    155 
    +                                         peer, instance_name, operation_name, message_queue))
    97 156
    98 
    -            context.add_callback(partial(instance.unregister_message_client,
    99 
    -                                         operation_name, message_queue))
    157 
    +            if self._is_monitored:
    158 
    +                if peer not in self.__peers:
    159 
    +                    self.__peers_by_instance[instance_name].add(peer)
    160 
    +                    self.__peers[peer] = 1
    161 
    +                else:
    162 
    +                    self.__peers[peer] += 1
    100 163
    101 164 
                 for operation in instance.stream_operation_updates(message_queue,
    102 165 
                                                                    operation_name):
    ... ... @@ -111,6 +174,35 @@ class ExecutionService(remote_execution_pb2_grpc.ExecutionServicer):
    111 174 
                 context.set_code(grpc.StatusCode.INVALID_ARGUMENT)
    112 175 
                 yield operations_pb2.Operation()
    113 176
    177 
    +    # --- Public API: Monitoring ---
    178 
    +
    179 
    +    @property
    180 
    +    def is_monitored(self):
    181 
    +        return self._is_monitored
    182 
    +
    183 
    +    def query_n_clients(self):
    184 
    +        return len(self.__peers)
    185 
    +
    186 
    +    def query_n_clients_for_instance(self, instance_name):
    187 
    +        try:
    188 
    +            return len(self.__peers_by_instance[instance_name])
    189 
    +        except KeyError:
    190 
    +            return 0
    191 
    +
    192 
    +    # --- Private API ---
    193 
    +
    194 
    +    def _rpc_termination_callback(self, peer, instance_name, job_name, message_queue):
    195 
    +        instance = self._get_instance(instance_name)
    196 
    +
    197 
    +        instance.unregister_message_client(job_name, message_queue)
    198 
    +
    199 
    +        if self._is_monitored:
    200 
    +            if self.__peers[peer] > 1:
    201 
    +                self.__peers[peer] -= 1
    202 
    +            else:
    203 
    +                self.__peers_by_instance[instance_name].remove(peer)
    204 
    +                del self.__peers[peer]
    205 
    +
    114 206 
         def _get_instance(self, name):
    115 207 
             try:
    116 208 
                 return self._instances[name]

  • buildgrid/server/instance.py
    ... ... @@ -13,18 +13,23 @@
    13 13 
     # limitations under the License.
    14 14
    15 15
    16 
    +import asyncio
    16 17 
     from concurrent import futures
    17 18 
     import logging
    19 
    +from logging.handlers import QueueHandler
    18 20 
     import os
    21 
    +import time
    19 22
    20 23 
     import grpc
    24 
    +import janus
    21 25
    22 
    -from .cas.service import ByteStreamService, ContentAddressableStorageService
    23 
    -from .actioncache.service import ActionCacheService
    24 
    -from .execution.service import ExecutionService
    25 
    -from .operations.service import OperationsService
    26 
    -from .bots.service import BotsService
    27 
    -from .referencestorage.service import ReferenceStorageService
    26 
    +from buildgrid.server.cas.service import ByteStreamService, ContentAddressableStorageService
    27 
    +from buildgrid.server.actioncache.service import ActionCacheService
    28 
    +from buildgrid.server.execution.service import ExecutionService
    29 
    +from buildgrid.server.operations.service import OperationsService
    30 
    +from buildgrid.server.bots.service import BotsService
    31 
    +from buildgrid.server.referencestorage.service import ReferenceStorageService
    32 
    +from buildgrid.settings import MONITORING_PERIOD
    28 33
    29 34
    30 35 
     class BuildGridServer:
    ... ... @@ -46,9 +51,15 @@ class BuildGridServer:
    46 51 
                 # Use max_workers default from Python 3.5+
    47 52 
                 max_workers = (os.cpu_count() or 1) * 5
    48 53
    49 
    -        server = grpc.server(futures.ThreadPoolExecutor(max_workers))
    54 
    +        self.__grpc_executor = futures.ThreadPoolExecutor(max_workers)
    55 
    +        self.__grpc_server = grpc.server(self.__grpc_executor)
    50 56
    51 
    -        self._server = server
    57 
    +        self.__main_loop = asyncio.get_event_loop()
    58 
    +        self.__monitoring_task = None
    59 
    +        self.__logging_task = None
    60 
    +
    61 
    +        self.__logging_queue = janus.Queue(loop=self.__main_loop)
    62 
    +        self.__logging_handler = None
    52 63
    53 64 
             self._execution_service = None
    54 65 
             self._bots_service = None
    ... ... @@ -58,15 +69,39 @@ class BuildGridServer:
    58 69 
             self._cas_service = None
    59 70 
             self._bytestream_service = None
    60 71
    72 
    +        self._instances = set()
    73 
    +
    74 
    +    # --- Public API ---
    75 
    +
    61 76 
         def start(self):
    62 
    -        """Starts the server.
    77 
    +        """Starts the BuildGrid server.
    63 78 
             """
    64 
    -        self._server.start()
    79 
    +        self.__grpc_server.start()
    80 
    +
    81 
    +        self._setup_logging_handler()
    82 
    +        self.__logging_task = asyncio.ensure_future(
    83 
    +            self._logging_worker(), loop=self.__main_loop)
    84 
    +
    85 
    +        self.__monitoring_task = asyncio.ensure_future(
    86 
    +            self._monitoring_worker(period=MONITORING_PERIOD), loop=self.__main_loop)
    87 
    +
    88 
    +        self.__main_loop.run_forever()
    65 89
    66 90 
         def stop(self, grace=0):
    67 
    -        """Stops the server.
    91 
    +        """Stops the BuildGrid server.
    92 
    +
    93 
    +        Args:
    94 
    +            grace (int, optional): A duration of time in seconds. Defaults to 0.
    68 95 
             """
    69 
    -        self._server.stop(grace)
    96 
    +        if self.__monitoring_task is not None:
    97 
    +            self.__monitoring_task.cancel()
    98 
    +        if self.__logging_task is not None:
    99 
    +            self.__logging_task.cancel()
    100 
    +
    101 
    +        self.__grpc_server.stop(grace)
    102 
    +
    103 
    +        if grace > 0:
    104 
    +            time.sleep(grace)
    70 105
    71 106 
         def add_port(self, address, credentials):
    72 107 
             """Adds a port to the server.
    ... ... @@ -80,11 +115,11 @@ class BuildGridServer:
    80 115 
             """
    81 116 
             if credentials is not None:
    82 117 
                 self.__logger.info("Adding secure connection on: [%s]", address)
    83 
    -            self._server.add_secure_port(address, credentials)
    118 
    +            self.__grpc_server.add_secure_port(address, credentials)
    84 119
    85 120 
             else:
    86 121 
                 self.__logger.info("Adding insecure connection on [%s]", address)
    87 
    -            self._server.add_insecure_port(address)
    122 
    +            self.__grpc_server.add_insecure_port(address)
    88 123
    89 124 
         def add_execution_instance(self, instance, instance_name):
    90 125 
             """Adds an :obj:`ExecutionInstance` to the service.
    ... ... @@ -96,10 +131,11 @@ class BuildGridServer:
    96 131 
                 instance_name (str): Instance name.
    97 132 
             """
    98 133 
             if self._execution_service is None:
    99 
    -            self._execution_service = ExecutionService(self._server)
    100 
    -
    134 
    +            self._execution_service = ExecutionService(self.__grpc_server)
    101 135 
             self._execution_service.add_instance(instance_name, instance)
    102 136
    137 
    +        self._instances.add(instance_name)
    138 
    +
    103 139 
         def add_bots_interface(self, instance, instance_name):
    104 140 
             """Adds a :obj:`BotsInterface` to the service.
    105 141
    ... ... @@ -110,10 +146,11 @@ class BuildGridServer:
    110 146 
                 instance_name (str): Instance name.
    111 147 
             """
    112 148 
             if self._bots_service is None:
    113 
    -            self._bots_service = BotsService(self._server)
    114 
    -
    149 
    +            self._bots_service = BotsService(self.__grpc_server)
    115 150 
             self._bots_service.add_instance(instance_name, instance)
    116 151
    152 
    +        self._instances.add(instance_name)
    153 
    +
    117 154 
         def add_operations_instance(self, instance, instance_name):
    118 155 
             """Adds an :obj:`OperationsInstance` to the service.
    119 156
    ... ... @@ -124,8 +161,7 @@ class BuildGridServer:
    124 161 
                 instance_name (str): Instance name.
    125 162 
             """
    126 163 
             if self._operations_service is None:
    127 
    -            self._operations_service = OperationsService(self._server)
    128 
    -
    164 
    +            self._operations_service = OperationsService(self.__grpc_server)
    129 165 
             self._operations_service.add_instance(instance_name, instance)
    130 166
    131 167 
         def add_reference_storage_instance(self, instance, instance_name):
    ... ... @@ -138,8 +174,7 @@ class BuildGridServer:
    138 174 
                 instance_name (str): Instance name.
    139 175 
             """
    140 176 
             if self._reference_storage_service is None:
    141 
    -            self._reference_storage_service = ReferenceStorageService(self._server)
    142 
    -
    177 
    +            self._reference_storage_service = ReferenceStorageService(self.__grpc_server)
    143 178 
             self._reference_storage_service.add_instance(instance_name, instance)
    144 179
    145 180 
         def add_action_cache_instance(self, instance, instance_name):
    ... ... @@ -152,8 +187,7 @@ class BuildGridServer:
    152 187 
                 instance_name (str): Instance name.
    153 188 
             """
    154 189 
             if self._action_cache_service is None:
    155 
    -            self._action_cache_service = ActionCacheService(self._server)
    156 
    -
    190 
    +            self._action_cache_service = ActionCacheService(self.__grpc_server)
    157 191 
             self._action_cache_service.add_instance(instance_name, instance)
    158 192
    159 193 
         def add_cas_instance(self, instance, instance_name):
    ... ... @@ -166,8 +200,7 @@ class BuildGridServer:
    166 200 
                 instance_name (str): Instance name.
    167 201 
             """
    168 202 
             if self._cas_service is None:
    169 
    -            self._cas_service = ContentAddressableStorageService(self._server)
    170 
    -
    203 
    +            self._cas_service = ContentAddressableStorageService(self.__grpc_server)
    171 204 
             self._cas_service.add_instance(instance_name, instance)
    172 205
    173 206 
         def add_bytestream_instance(self, instance, instance_name):
    ... ... @@ -180,6 +213,53 @@ class BuildGridServer:
    180 213 
                 instance_name (str): Instance name.
    181 214 
             """
    182 215 
             if self._bytestream_service is None:
    183 
    -            self._bytestream_service = ByteStreamService(self._server)
    184 
    -
    216 
    +            self._bytestream_service = ByteStreamService(self.__grpc_server)
    185 217 
             self._bytestream_service.add_instance(instance_name, instance)
    218 
    +
    219 
    +    # --- Private API ---
    220 
    +
    221 
    +    def _setup_logging_handler(self):
    222 
    +        self.__logging_handler = QueueHandler(self.__logging_queue.sync_q)
    223 
    +
    224 
    +        root_logger = logging.getLogger()
    225 
    +        root_logger.addHandler(self.__logging_handler)
    226 
    +
    227 
    +    async def _logging_worker(self):
    228 
    +        while True:
    229 
    +            try:
    230 
    +                log_record = await self.__logging_queue.async_q.get()
    231 
    +
    232 
    +                print(log_record)
    233 
    +
    234 
    +            except asyncio.CancelledError:
    235 
    +                break
    236 
    +
    237 
    +        if len(asyncio.all_tasks(loop=self.__main_loop)) <= 1:
    238 
    +            self.__main_loop.stop()
    239 
    +
    240 
    +    async def _monitoring_worker(self, period=1):
    241 
    +        while True:
    242 
    +            try:
    243 
    +                n_clients = self._execution_service.query_n_clients()
    244 
    +                n_bots = self._bots_service.query_n_bots()
    245 
    +
    246 
    +                print('---')
    247 
    +                print('Totals: n_clients={}, n_bots={}'.format(n_clients, n_bots))
    248 
    +                print('Per instances:')
    249 
    +                for instance_name in self._instances:
    250 
    +                    n_clients = self._execution_service.query_n_clients_for_instance(instance_name)
    251 
    +                    n_bots = self._bots_service.query_n_bots_for_instance(instance_name)
    252 
    +                    am_queue_time = self._execution_service.get_scheduler(instance_name).query_am_queue_time()
    253 
    +
    254 
    +                    instance_name = instance_name or 'empty'
    255 
    +
    256 
    +                    print(' - {}: n_clients={}, n_bots={}, am_queue_time={}'
    257 
    +                          .format(instance_name, n_clients, n_bots, am_queue_time))
    258 
    +
    259 
    +                await asyncio.sleep(period)
    260 
    +
    261 
    +            except asyncio.CancelledError:
    262 
    +                break
    263 
    +
    264 
    +        if len(asyncio.all_tasks(loop=self.__main_loop)) <= 1:
    265 
    +            self.__main_loop.stop()

  • buildgrid/server/job.py
    ... ... @@ -13,10 +13,11 @@
    13 13 
     # limitations under the License.
    14 14
    15 15
    16 
    +from datetime import datetime
    16 17 
     import logging
    17 18 
     import uuid
    18 19
    19 
    -from google.protobuf import timestamp_pb2
    20 
    +from google.protobuf import duration_pb2, timestamp_pb2
    20 21
    21 22 
     from buildgrid._enums import LeaseState, OperationStage
    22 23 
     from buildgrid._protos.build.bazel.remote.execution.v2 import remote_execution_pb2
    ... ... @@ -37,6 +38,7 @@ class Job:
    37 38 
             self.__execute_response = None
    38 39 
             self.__operation_metadata = remote_execution_pb2.ExecuteOperationMetadata()
    39 40 
             self.__queued_timestamp = timestamp_pb2.Timestamp()
    41 
    +        self.__queued_time_duration = duration_pb2.Duration()
    40 42 
             self.__worker_start_timestamp = timestamp_pb2.Timestamp()
    41 43 
             self.__worker_completed_timestamp = timestamp_pb2.Timestamp()
    42 44
    ... ... @@ -50,6 +52,8 @@ class Job:
    50 52 
             self._operation.done = False
    51 53 
             self._n_tries = 0
    52 54
    55 
    +    # --- Public API ---
    56 
    +
    53 57 
         @property
    54 58 
         def name(self):
    55 59 
             return self._name
    ... ... @@ -179,7 +183,7 @@ class Job:
    179 183 
                     result.Unpack(action_result)
    180 184
    181 185 
                 action_metadata = action_result.execution_metadata
    182 
    -            action_metadata.queued_timestamp.CopyFrom(self.__worker_start_timestamp)
    186 
    +            action_metadata.queued_timestamp.CopyFrom(self.__queued_timestamp)
    183 187 
                 action_metadata.worker_start_timestamp.CopyFrom(self.__worker_start_timestamp)
    184 188 
                 action_metadata.worker_completed_timestamp.CopyFrom(self.__worker_completed_timestamp)
    185 189
    ... ... @@ -204,6 +208,10 @@ class Job:
    204 208 
                     self.__queued_timestamp.GetCurrentTime()
    205 209 
                 self._n_tries += 1
    206 210
    211 
    +        elif self.__operation_metadata.stage == OperationStage.EXECUTING.value:
    212 
    +            queue_in, queue_out = self.__queued_timestamp.ToDatetime(), datetime.now()
    213 
    +            self.__queued_time_duration.FromTimedelta(queue_out - queue_in)
    214 
    +
    207 215 
             elif self.__operation_metadata.stage == OperationStage.COMPLETED.value:
    208 216 
                 if self.__execute_response is not None:
    209 217 
                     self._operation.response.Pack(self.__execute_response)
    ... ... @@ -213,3 +221,11 @@ class Job:
    213 221
    214 222 
             for queue in self._operation_update_queues:
    215 223 
                 queue.put(self._operation)
    224 
    +
    225 
    +    # --- Public API: Monitoring ---
    226 
    +
    227 
    +    def query_queue_time(self):
    228 
    +        return self.__queued_time_duration.ToTimedelta()
    229 
    +
    230 
    +    def query_n_retries(self):
    231 
    +        return self._n_tries - 1 if self._n_tries > 0 else 0

  • buildgrid/server/operations/instance.py
    ... ... @@ -32,6 +32,10 @@ class OperationsInstance:
    32 32
    33 33 
             self._scheduler = scheduler
    34 34
    35 
    +    @property
    36 
    +    def scheduler(self):
    37 
    +        return self._scheduler
    38 
    +
    35 39 
         def register_instance_with_server(self, instance_name, server):
    36 40 
             server.add_operations_instance(self, instance_name)
    37 41

  • buildgrid/server/operations/service.py
    ... ... @@ -38,8 +38,34 @@ class OperationsService(operations_pb2_grpc.OperationsServicer):
    38 38
    39 39 
             operations_pb2_grpc.add_OperationsServicer_to_server(self, server)
    40 40
    41 
    -    def add_instance(self, name, instance):
    42 
    -        self._instances[name] = instance
    41 
    +    # --- Public API ---
    42 
    +
    43 
    +    def add_instance(self, instance_name, instance):
    44 
    +        """Registers a new servicer instance.
    45 
    +
    46 
    +        Args:
    47 
    +            instance_name (str): The new instance's name.
    48 
    +            instance (OperationsInstance): The new instance itself.
    49 
    +        """
    50 
    +        self._instances[instance_name] = instance
    51 
    +
    52 
    +    def get_scheduler(self, instance_name):
    53 
    +        """Retrieves a reference to the scheduler for an instance.
    54 
    +
    55 
    +        Args:
    56 
    +            instance_name (str): The name of the instance to query.
    57 
    +
    58 
    +        Returns:
    59 
    +            Scheduler: A reference to the scheduler for `instance_name`.
    60 
    +
    61 
    +        Raises:
    62 
    +            InvalidArgumentError: If no instance named `instance_name` exists.
    63 
    +        """
    64 
    +        instance = self._get_instance(instance_name)
    65 
    +
    66 
    +        return instance.scheduler
    67 
    +
    68 
    +    # --- Public API: Servicer ---
    43 69
    44 70 
         def GetOperation(self, request, context):
    45 71 
             self.__logger.debug("GetOperation request from [%s]", context.peer())
    ... ... @@ -132,6 +158,8 @@ class OperationsService(operations_pb2_grpc.OperationsServicer):
    132 158
    133 159 
             return Empty()
    134 160
    161 
    +    # --- Private API ---
    162 
    +
    135 163 
         def _parse_instance_name(self, name):
    136 164 
             """ If the instance name is not blank, 'name' will have the form
    137 165 
             {instance_name}/{operation_uuid}. Otherwise, it will just be

  • buildgrid/server/scheduler.py
    ... ... @@ -22,22 +22,29 @@ Schedules jobs.
    22 22 
     from collections import deque
    23 23 
     import logging
    24 24
    25 
    +from buildgrid._enums import LeaseState, OperationStage
    25 26 
     from buildgrid._exceptions import NotFoundError
    26 27
    27 
    -from .job import OperationStage, LeaseState
    28 
    -
    29 28
    30 29 
     class Scheduler:
    31 30
    32 31 
         MAX_N_TRIES = 5
    33 32
    34 
    -    def __init__(self, action_cache=None):
    33 
    +    def __init__(self, action_cache=None, monitor=True):
    35 34 
             self.__logger = logging.getLogger(__name__)
    36 35
    36 
    +        self.__queue_times_by_priority = {}
    37 
    +        self.__queue_time_average = 0, 0.0
    38 
    +        self.__retries_by_error = {}
    39 
    +        self.__retries_count = 0
    40 
    +
    37 41 
             self._action_cache = action_cache
    42 
    +        self._is_monitored = True
    38 43 
             self.jobs = {}
    39 44 
             self.queue = deque()
    40 45
    46 
    +    # --- Public API ---
    47 
    +
    41 48 
         def register_client(self, job_name, queue):
    42 49 
             self.jobs[job_name].register_client(queue)
    43 50
    ... ... @@ -66,18 +73,22 @@ class Scheduler:
    66 73 
                 operation_stage = OperationStage.QUEUED
    67 74 
                 self.queue.append(job)
    68 75
    69 
    -        job.update_operation_stage(operation_stage)
    76 
    +        self._update_job_operation_stage(job, operation_stage)
    70 77
    71 78 
         def retry_job(self, job_name):
    72 
    -        if job_name in self.jobs:
    73 
    -            job = self.jobs[job_name]
    74 
    -            if job.n_tries >= self.MAX_N_TRIES:
    75 
    -                # TODO: Decide what to do with these jobs
    76 
    -                job.update_operation_stage(OperationStage.COMPLETED)
    77 
    -                # TODO: Mark these jobs as done
    78 
    -            else:
    79 
    -                job.update_operation_stage(OperationStage.QUEUED)
    80 
    -                self.queue.appendleft(job)
    79 
    +        job = self.jobs[job_name]
    80 
    +
    81 
    +        operation_stage = None
    82 
    +        if job.n_tries >= self.MAX_N_TRIES:
    83 
    +            # TODO: Decide what to do with these jobs
    84 
    +            operation_stage = OperationStage.COMPLETED
    85 
    +            # TODO: Mark these jobs as done
    86 
    +
    87 
    +        else:
    88 
    +            operation_stage = OperationStage.QUEUED
    89 
    +            self.queue.appendleft(job)
    90 
    +
    91 
    +        self._update_job_operation_stage(job, operation_stage)
    81 92
    82 93 
         def list_jobs(self):
    83 94 
             return self.jobs.values()
    ... ... @@ -112,13 +123,14 @@ class Scheduler:
    112 123 
             """
    113 124 
             job = self.jobs[job_name]
    114 125
    126 
    +        operation_stage = None
    115 127 
             if lease_state == LeaseState.PENDING:
    116 128 
                 job.update_lease_state(LeaseState.PENDING)
    117 
    -            job.update_operation_stage(OperationStage.QUEUED)
    129 
    +            operation_stage = OperationStage.QUEUED
    118 130
    119 131 
             elif lease_state == LeaseState.ACTIVE:
    120 132 
                 job.update_lease_state(LeaseState.ACTIVE)
    121 
    -            job.update_operation_stage(OperationStage.EXECUTING)
    133 
    +            operation_stage = OperationStage.EXECUTING
    122 134
    123 135 
             elif lease_state == LeaseState.COMPLETED:
    124 136 
                 job.update_lease_state(LeaseState.COMPLETED,
    ... ... @@ -127,7 +139,9 @@ class Scheduler:
    127 139 
                 if self._action_cache is not None and not job.do_not_cache:
    128 140 
                     self._action_cache.update_action_result(job.action_digest, job.action_result)
    129 141
    130 
    -            job.update_operation_stage(OperationStage.COMPLETED)
    142 
    +            operation_stage = OperationStage.COMPLETED
    143 
    +
    144 
    +        self._update_job_operation_stage(job, operation_stage)
    131 145
    132 146 
         def get_job_lease(self, job_name):
    133 147 
             """Returns the lease associated to job, if any have been emitted yet."""
    ... ... @@ -136,3 +150,59 @@ class Scheduler:
    136 150 
         def get_job_operation(self, job_name):
    137 151 
             """Returns the operation associated to job."""
    138 152 
             return self.jobs[job_name].operation
    153 
    +
    154 
    +    # --- Public API: Monitoring ---
    155 
    +
    156 
    +    @property
    157 
    +    def is_monitored(self):
    158 
    +        return self._is_monitored
    159 
    +
    160 
    +    def query_n_jobs(self):
    161 
    +        return len(self.jobs)
    162 
    +
    163 
    +    def query_n_operations(self):
    164 
    +        return len(self.jobs)
    165 
    +
    166 
    +    def query_n_operations_by_stage(self):
    167 
    +        return len(self.jobs)
    168 
    +
    169 
    +    def query_n_leases(self):
    170 
    +        return len(self.jobs)
    171 
    +
    172 
    +    def query_n_leases_by_state(self):
    173 
    +        return len(self.jobs)
    174 
    +
    175 
    +    def query_n_retries(self):
    176 
    +        return self.__retries_count
    177 
    +
    178 
    +    def query_n_retries_for_error(self, error_type):
    179 
    +        try:
    180 
    +            return self.__retries_by_error[error_type]
    181 
    +        except KeyError:
    182 
    +            return 0
    183 
    +
    184 
    +    def query_am_queue_time(self):
    185 
    +        return self.__queue_time_average[1]
    186 
    +
    187 
    +    def query_am_queue_time_for_priority(self, priority_level):
    188 
    +        try:
    189 
    +            return self.__queue_times_by_priority[priority_level]
    190 
    +        except KeyError:
    191 
    +            return 0
    192 
    +
    193 
    +    # --- Private API ---
    194 
    +
    195 
    +    def _update_job_operation_stage(self, job, stage):
    196 
    +        job.update_operation_stage(stage)
    197 
    +
    198 
    +        if self._is_monitored and stage == OperationStage.COMPLETED:
    199 
    +            average_order, average_time = self.__queue_time_average
    200 
    +            queue_time = job.query_queue_time().total_seconds()
    201 
    +
    202 
    +            average_order += 1
    203 
    +            if average_order > 1:
    204 
    +                average_time = average_time + (queue_time - average_time / average_order)
    205 
    +            else:
    206 
    +                average_time = queue_time
    207 
    +
    208 
    +            self.__queue_time_average = average_order, queue_time

  • buildgrid/settings.py
    1 
    +# Copyright (C) 2018 Bloomberg LP
    2 
    +#
    3 
    +# Licensed under the Apache License, Version 2.0 (the "License");
    4 
    +# you may not use this file except in compliance with the License.
    5 
    +# You may obtain a copy of the License at
    6 
    +#
    7 
    +#  <http://www.apache.org/licenses/LICENSE-2.0>
    8 
    +#
    9 
    +# Unless required by applicable law or agreed to in writing, software
    10 
    +# distributed under the License is distributed on an "AS IS" BASIS,
    11 
    +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12 
    +# See the License for the specific language governing permissions and
    13 
    +# limitations under the License.
    14 
    +
    15 
    +
    1 16 
     import hashlib
    2 17
    3 18
    4 
    -# The hash function that CAS uses
    19 
    +# Hash function used for computing digests:
    5 20 
     HASH = hashlib.sha256
    21 
    +
    22 
    +# Lenght in bytes of a hash string returned by HASH:
    6 23 
     HASH_LENGTH = HASH().digest_size * 2
    24 
    +
    25 
    +# Period, in seconds, for the monitoring cycle:
    26 
    +MONITORING_PERIOD = 5.0

  • setup.py
    ... ... @@ -112,13 +112,15 @@ setup(
    112 112 
         license="Apache License, Version 2.0",
    113 113 
         description="A remote execution service",
    114 114 
         packages=find_packages(),
    115 
    +    python_requires='>= 3.5.3',  # janus requirement
    115 116 
         install_requires=[
    116 
    -        'protobuf',
    117 
    -        'grpcio',
    118 
    -        'Click',
    119 
    -        'PyYAML',
    120 117 
             'boto3 < 1.8.0',
    121 118 
             'botocore < 1.11.0',
    119 
    +        'click',
    120 
    +        'grpcio',
    121 
    +        'janus',
    122 
    +        'protobuf',
    123 
    +        'pyyaml',
    122 124 
         ],
    123 125 
         entry_points={
    124 126 
             'console_scripts': [

  • tests/cas/data/hello/hello.sh
    1 
    +#!/bin/bash
    2 
    +
    3 
    +echo "Hello, World!"

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