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[Notes] [Git][BuildGrid/buildgrid][finn/separate-services] Added yml parser

Title: GitLab

finn pushed to branch finn/separate-services at BuildGrid / buildgrid

Commits:

15 changed files:

Changes:

  • buildgrid/_app/cli.py
    ... ... @@ -174,7 +174,7 @@ class BuildGridCLI(click.MultiCommand):
    174 174 
                 mod = __import__(name='buildgrid._app.commands.cmd_{}'.format(name),
    175 175 
                                  fromlist=['cli'])
    176 176 
             except ImportError:
    177 
    -            return None
    177 
    +            raise
    178 178 
             return mod.cli
    179 179
    180 180

  • buildgrid/_app/commands/cmd_server.py
    ... ... @@ -26,16 +26,14 @@ import sys
    26 26
    27 27 
     import click
    28 28
    29 
    -from buildgrid.server import buildgrid_server
    30 
    -from buildgrid.server.cas.storage.disk import DiskStorage
    31 
    -from buildgrid.server.cas.storage.lru_memory_cache import LRUMemoryCache
    32 
    -from buildgrid.server.cas.storage.s3 import S3Storage
    33 
    -from buildgrid.server.cas.storage.with_cache import WithCacheStorage
    29 
    +from buildgrid.server.controller import ExecutionController
    34 30 
     from buildgrid.server.actioncache.storage import ActionCache
    31 
    +from buildgrid.server.cas.instance import ByteStreamInstance, ContentAddressableStorageInstance
    32 
    +from buildgrid.server.referencestorage.storage import ReferenceCache
    35 33
    36 34 
     from ..cli import pass_context
    37 
    -
    38 
    -_SIZE_PREFIXES = {'k': 2 ** 10, 'm': 2 ** 20, 'g': 2 ** 30, 't': 2 ** 40}
    35 
    +from ..settings import parser
    36 
    +from ..server import BuildGridServer
    39 37
    40 38
    41 39 
     @click.group(name='server', short_help="Start a local server instance.")
    ... ... @@ -45,71 +43,31 @@ def cli(context):
    45 43
    46 44
    47 45 
     @cli.command('start', short_help="Setup a new server instance.")
    48 
    -@click.argument('instances', nargs=-1, type=click.STRING)
    49 
    -@click.option('--port', type=click.INT, default='50051', show_default=True,
    50 
    -              help="The port number to be listened.")
    51 
    -@click.option('--server-key', type=click.Path(exists=True, dir_okay=False), default=None,
    52 
    -              help="Private server key for TLS (PEM-encoded)")
    53 
    -@click.option('--server-cert', type=click.Path(exists=True, dir_okay=False), default=None,
    54 
    -              help="Public server certificate for TLS (PEM-encoded)")
    55 
    -@click.option('--client-certs', type=click.Path(exists=True, dir_okay=False), default=None,
    56 
    -              help="Public client certificates for TLS (PEM-encoded, one single file)")
    57 
    -@click.option('--allow-insecure', type=click.BOOL, is_flag=True,
    58 
    -              help="Whether or not to allow unencrypted connections.")
    59 
    -@click.option('--allow-update-action-result/--forbid-update-action-result',
    60 
    -              'allow_uar', default=True, show_default=True,
    61 
    -              help="Whether or not to allow clients to manually edit the action cache.")
    62 
    -@click.option('--max-cached-actions', type=click.INT, default=50, show_default=True,
    63 
    -              help="Maximum number of actions to keep in the ActionCache.")
    64 
    -@click.option('--cas', type=click.Choice(('lru', 's3', 'disk', 'with-cache')),
    65 
    -              help="The CAS storage type to use.")
    66 
    -@click.option('--cas-cache', type=click.Choice(('lru', 's3', 'disk')),
    67 
    -              help="For --cas=with-cache, the CAS storage to use as the cache.")
    68 
    -@click.option('--cas-fallback', type=click.Choice(('lru', 's3', 'disk')),
    69 
    -              help="For --cas=with-cache, the CAS storage to use as the fallback.")
    70 
    -@click.option('--cas-lru-size', type=click.STRING,
    71 
    -              help="For --cas=lru, the LRU cache's memory limit.")
    72 
    -@click.option('--cas-s3-bucket', type=click.STRING,
    73 
    -              help="For --cas=s3, the bucket name.")
    74 
    -@click.option('--cas-s3-endpoint', type=click.STRING,
    75 
    -              help="For --cas=s3, the endpoint URI.")
    76 
    -@click.option('--cas-disk-directory', type=click.Path(file_okay=False, dir_okay=True, writable=True),
    77 
    -              help="For --cas=disk, the folder to store CAS blobs in.")
    46 
    +@click.argument('yml', type=click.Path(file_okay=True, dir_okay=False, writable=False))
    78 47 
     @pass_context
    79 
    -def start(context, port, allow_insecure, server_key, server_cert, client_certs,
    80 
    -          instances, max_cached_actions, allow_uar, cas, **cas_args):
    81 
    -    """Setups a new server instance."""
    82 
    -    credentials = None
    83 
    -    if not allow_insecure:
    84 
    -        credentials = context.load_server_credentials(server_key, server_cert, client_certs)
    85 
    -    if not credentials and not allow_insecure:
    86 
    -        click.echo("ERROR: no TLS keys were specified and no defaults could be found.\n" +
    87 
    -                   "Use --allow-insecure in order to deactivate TLS encryption.\n", err=True)
    88 
    -        sys.exit(-1)
    89 
    -
    90 
    -    context.credentials = credentials
    91 
    -    context.port = port
    92 
    -
    93 
    -    context.logger.info("BuildGrid server booting up")
    94 
    -    context.logger.info("Starting on port {}".format(port))
    95 
    -
    96 
    -    cas_storage = _make_cas_storage(context, cas, cas_args)
    97 
    -
    98 
    -    if cas_storage is None:
    99 
    -        context.logger.info("Running without CAS - action cache will be unavailable")
    100 
    -        action_cache = None
    101 
    -
    102 
    -    else:
    103 
    -        action_cache = ActionCache(cas_storage, max_cached_actions, allow_uar)
    104 
    -
    105 
    -    if instances is None:
    106 
    -        instances = ['main']
    107 
    -
    108 
    -    server = buildgrid_server.BuildGridServer(port=context.port,
    109 
    -                                              credentials=context.credentials,
    110 
    -                                              instances=instances,
    111 
    -                                              cas_storage=cas_storage,
    112 
    -                                              action_cache=action_cache)
    48 
    +def start(context, yml):
    49 
    +    with open(yml) as f:
    50 
    +        settings = parser.get_parser().safe_load(f)
    51 
    +
    52 
    +    server_settings = settings['server']
    53 
    +
    54 
    +    instances = settings['instances']
    55 
    +
    56 
    +    execution_controllers = _instance_maker(instances, ExecutionController)
    57 
    +    reference_caches = _instance_maker(instances, ReferenceCache)
    58 
    +    action_caches = _instance_maker(instances, ActionCache)
    59 
    +    cas = _instance_maker(instances, ContentAddressableStorageInstance)
    60 
    +    bytestreams = _instance_maker(instances, ByteStreamInstance)
    61 
    +
    62 
    +    port = server_settings['port']
    63 
    +    server = BuildGridServer(port=port,
    64 
    +                             execution_controller=execution_controllers,
    65 
    +                             reference_storage_instances=reference_caches,
    66 
    +                             action_cache_instances=action_caches,
    67 
    +                             cas_instances=cas,
    68 
    +                             bytestream_instances=bytestreams)
    69 
    +
    70 
    +    context.logger.info("Starting server on port {}".format(port))
    113 71 
         loop = asyncio.get_event_loop()
    114 72 
         try:
    115 73 
             server.start()
    ... ... @@ -119,57 +77,20 @@ def start(context, port, allow_insecure, server_key, server_cert, client_certs,
    119 77 
             pass
    120 78
    121 79 
         finally:
    80 
    +        context.logger.info("Stopping server")
    122 81 
             server.stop()
    123 82 
             loop.close()
    124 83
    125 84
    126 
    -def _make_cas_storage(context, cas_type, cas_args):
    127 
    -    """Returns the storage provider corresponding to the given `cas_type`,
    128 
    -    or None if the provider cannot be created.
    129 
    -    """
    130 
    -    if cas_type == "lru":
    131 
    -        if cas_args["cas_lru_size"] is None:
    132 
    -            context.logger.error("--cas-lru-size is required for LRU CAS")
    133 
    -            return None
    134 
    -        try:
    135 
    -            size = _parse_size(cas_args["cas_lru_size"])
    136 
    -        except ValueError:
    137 
    -            context.logger.error('Invalid LRU size "{0}"'.format(cas_args["cas_lru_size"]))
    138 
    -            return None
    139 
    -        return LRUMemoryCache(size)
    140 
    -    elif cas_type == "s3":
    141 
    -        if cas_args["cas_s3_bucket"] is None:
    142 
    -            context.logger.error("--cas-s3-bucket is required for S3 CAS")
    143 
    -            return None
    144 
    -        if cas_args["cas_s3_endpoint"] is not None:
    145 
    -            return S3Storage(cas_args["cas_s3_bucket"],
    146 
    -                             endpoint_url=cas_args["cas_s3_endpoint"])
    147 
    -        return S3Storage(cas_args["cas_s3_bucket"])
    148 
    -    elif cas_type == "disk":
    149 
    -        if cas_args["cas_disk_directory"] is None:
    150 
    -            context.logger.error("--cas-disk-directory is required for disk CAS")
    151 
    -            return None
    152 
    -        return DiskStorage(cas_args["cas_disk_directory"])
    153 
    -    elif cas_type == "with-cache":
    154 
    -        cache = _make_cas_storage(context, cas_args["cas_cache"], cas_args)
    155 
    -        fallback = _make_cas_storage(context, cas_args["cas_fallback"], cas_args)
    156 
    -        if cache is None:
    157 
    -            context.logger.error("Missing cache provider for --cas=with-cache")
    158 
    -            return None
    159 
    -        elif fallback is None:
    160 
    -            context.logger.error("Missing fallback provider for --cas=with-cache")
    161 
    -            return None
    162 
    -        return WithCacheStorage(cache, fallback)
    163 
    -    elif cas_type is None:
    164 
    -        return None
    165 
    -    return None
    166 
    -
    167 
    -
    168 
    -def _parse_size(size):
    169 
    -    """Convert a string containing a size in bytes (e.g. '2GB') to a number."""
    170 
    -    size = size.lower()
    171 
    -    if size[-1] == 'b':
    172 
    -        size = size[:-1]
    173 
    -    if size[-1] in _SIZE_PREFIXES:
    174 
    -        return int(size[:-1]) * _SIZE_PREFIXES[size[-1]]
    175 
    -    return int(size)
    85 
    +# Turn away now if you want to keep your eyes
    86 
    +def _instance_maker(instances, service_type):
    87 
    +    # TODO get this mapped in parser
    88 
    +    made = {}
    89 
    +
    90 
    +    for instance in instances:
    91 
    +        services = instance['services']
    92 
    +        instance_name = instance['name']
    93 
    +        for service in services:
    94 
    +            if type(service) == service_type:
    95 
    +                made[instance_name] = service
    96 
    +    return made

  • buildgrid/_app/server.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 
    +
    16 
    +"""
    17 
    +BuildGridServer
    18 
    +==============
    19 
    +
    20 
    +Creates the user a local BuildGrid server.
    21 
    +"""
    22 
    +
    23 
    +import logging
    24 
    +from concurrent import futures
    25 
    +
    26 
    +import grpc
    27 
    +
    28 
    +from buildgrid.server.cas.service import ByteStreamService, ContentAddressableStorageService
    29 
    +from buildgrid.server.actioncache.service import ActionCacheService
    30 
    +from buildgrid.server.execution.service import ExecutionService
    31 
    +from buildgrid.server.operations.service import OperationsService
    32 
    +from buildgrid.server.bots.service import BotsService
    33 
    +
    34 
    +from buildgrid._protos.build.bazel.remote.execution.v2 import remote_execution_pb2_grpc
    35 
    +
    36 
    +
    37 
    +class BuildGridServer:
    38 
    +
    39 
    +    def __init__(self, port=50051,  max_workers=10, credentials=None,
    40 
    +                 execution_controller=None, reference_storage_instances = None,
    41 
    +                 action_cache_instances=None, cas_instances=None, bytestream_instances = None):
    42 
    +
    43 
    +        self.logger = logging.getLogger(__name__)
    44 
    +        address = '[::]:{0}'.format(port)
    45 
    +
    46 
    +        server = grpc.server(futures.ThreadPoolExecutor(max_workers))
    47 
    +
    48 
    +        if credentials is not None:
    49 
    +            self.logger.info("Secure connection")
    50 
    +            server.add_secure_port(address, credentials)
    51 
    +
    52 
    +        else:
    53 
    +            self.logger.info("Insecure connection")
    54 
    +            server.add_insecure_port(address)
    55 
    +
    56 
    +        if execution_controller:
    57 
    +            self.logger.info("Adding execution controllers {}".format(
    58 
    +                execution_controller.keys()))
    59 
    +            ExecutionService(server, execution_controller)
    60 
    +            BotsService(server, execution_controller)
    61 
    +            OperationsService(server, execution_controller)
    62 
    +
    63 
    +        if reference_storage_instances:
    64 
    +            ReferenceStorageService(server, reference_storage_instances)
    65 
    +
    66 
    +        if action_cache_instances:
    67 
    +            ActionCacheService(server, action_cache_instances)
    68 
    +
    69 
    +        if cas_instances:
    70 
    +            ContentAddressableStorageService(server, cas_instances)
    71 
    +
    72 
    +        if bytestream_instances:
    73 
    +            ByteStreamService(server, bytestream_instances)
    74 
    +
    75 
    +        self._server = server
    76 
    +
    77 
    +    def start(self):
    78 
    +        self._server.start()
    79 
    +
    80 
    +    def stop(self):
    81 
    +        self._server.stop(0)

  • buildgrid/_app/settings/default.yml
    1 
    +server:
    2 
    +  port: 50051
    3 
    +  tls-server-key: null
    4 
    +  tls-server-cert: null
    5 
    +  tls-client-certs: null
    6 
    +  insecure-mode: true
    7 
    +
    8 
    +description: |
    9 
    +  A single default instance
    10 
    +
    11 
    +instances:
    12 
    +  - name: main
    13 
    +    description: |
    14 
    +      The main server
    15 
    +
    16 
    +    storages:
    17 
    +        - !disk-storage &main-storage
    18 
    +          path: ~/
    19 
    +
    20 
    +        - !lru-storage &main-lru-storage
    21 
    +          size: 10mb
    22 
    +
    23 
    +    services:
    24 
    +      - !action-cache &main-action
    25 
    +        storage: *main-storage
    26 
    +        max_cached_refs: 256
    27 
    +        allow_updates: true
    28 
    +
    29 
    +      - !execution
    30 
    +        storage: *main-storage
    31 
    +        action_cache: *main-action
    32 
    +
    33 
    +      - !cas
    34 
    +        storage: *main-storage
    35 
    +
    36 
    +      - !bytestream
    37 
    +        storage: *main-storage

  • buildgrid/_app/settings/parser.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 
    +
    16 
    +import sys
    17 
    +
    18 
    +import yaml
    19 
    +
    20 
    +from buildgrid.server.controller import ExecutionController
    21 
    +from buildgrid.server.scheduler import Scheduler
    22 
    +from buildgrid.server.actioncache.storage import ActionCache
    23 
    +from buildgrid.server.cas.instance import ByteStreamInstance, ContentAddressableStorageInstance
    24 
    +from buildgrid.server.cas.storage.disk import DiskStorage
    25 
    +from buildgrid.server.cas.storage.lru_memory_cache import LRUMemoryCache
    26 
    +
    27 
    +
    28 
    +class YamlFactory(yaml.YAMLObject):
    29 
    +    @classmethod
    30 
    +    def from_yaml(cls, loader, node):
    31 
    +        values = loader.construct_mapping(node, deep=True)
    32 
    +        return cls(**values)
    33 
    +
    34 
    +
    35 
    +class Disk(YamlFactory):
    36 
    +
    37 
    +    yaml_tag = u'!disk-storage'
    38 
    +
    39 
    +    def __new__(cls, path):
    40 
    +        return DiskStorage(path)
    41 
    +
    42 
    +
    43 
    +class LRU(YamlFactory):
    44 
    +
    45 
    +    yaml_tag = u'!lru-storage'
    46 
    +
    47 
    +    def __new__(cls, size):
    48 
    +        return LRUMemoryCache(_parse_size(size))
    49 
    +
    50 
    +
    51 
    +class Execution(YamlFactory):
    52 
    +
    53 
    +    yaml_tag = u'!execution'
    54 
    +
    55 
    +    def __new__(cls, storage, action_cache=None):
    56 
    +        return ExecutionController(action_cache, storage)
    57 
    +
    58 
    +
    59 
    +class Action(YamlFactory):
    60 
    +
    61 
    +    yaml_tag = u'!action-cache'
    62 
    +
    63 
    +    def __new__(cls, storage, max_cached_refs=0, allow_updates=True):
    64 
    +        return ActionCache(storage, max_cached_refs, allow_updates)
    65 
    +
    66 
    +
    67 
    +class CAS(YamlFactory):
    68 
    +
    69 
    +    yaml_tag = u'!cas'
    70 
    +
    71 
    +    def __new__(cls, storage):
    72 
    +        return ContentAddressableStorageInstance(storage)
    73 
    +
    74 
    +
    75 
    +class ByteStream(YamlFactory):
    76 
    +
    77 
    +    yaml_tag = u'!bytestream'
    78 
    +
    79 
    +    def __new__(cls, storage):
    80 
    +        return ByteStreamInstance(storage)
    81 
    +
    82 
    +
    83 
    +def _parse_size(size):
    84 
    +    """Convert a string containing a size in bytes (e.g. '2GB') to a number."""
    85 
    +    _size_prefixes = {'k': 2 ** 10, 'm': 2 ** 20, 'g': 2 ** 30, 't': 2 ** 40}
    86 
    +    size = size.lower()
    87 
    +
    88 
    +    if size[-1] == 'b':
    89 
    +        size = size[:-1]
    90 
    +    if size[-1] in _size_prefixes:
    91 
    +        return int(size[:-1]) * _size_prefixes[size[-1]]
    92 
    +    return int(size)
    93 
    +
    94 
    +def get_parser():
    95 
    +
    96 
    +    yaml.SafeLoader.add_constructor(Execution.yaml_tag, Execution.from_yaml)
    97 
    +    yaml.SafeLoader.add_constructor(Execution.yaml_tag, Execution.from_yaml)
    98 
    +    yaml.SafeLoader.add_constructor(Action.yaml_tag, Action.from_yaml)
    99 
    +    yaml.SafeLoader.add_constructor(Disk.yaml_tag, Disk.from_yaml)
    100 
    +    yaml.SafeLoader.add_constructor(LRU.yaml_tag, LRU.from_yaml)
    101 
    +    yaml.SafeLoader.add_constructor(CAS.yaml_tag, CAS.from_yaml)
    102 
    +    yaml.SafeLoader.add_constructor(ByteStream.yaml_tag, ByteStream.from_yaml)
    103 
    +
    104 
    +    return yaml

  • buildgrid/server/actioncache/service.py
    ... ... @@ -32,13 +32,22 @@ from .._exceptions import NotFoundError
    32 32
    33 33 
     class ActionCacheService(remote_execution_pb2_grpc.ActionCacheServicer):
    34 34
    35 
    -    def __init__(self, action_cache):
    36 
    -        self._action_cache = action_cache
    35 
    +    def __init__(self, server, instances):
    36 
    +        self._instances = instances
    37 
    +
    37 38 
             self.logger = logging.getLogger(__name__)
    38 39
    40 
    +        remote_execution_pb2_grpc.add_ActionCacheServicer_to_server(self, server)
    41 
    +
    39 42 
         def GetActionResult(self, request, context):
    40 43 
             try:
    41 
    -            return self._action_cache.get_action_result(request.action_digest)
    44 
    +            instance = self._get_instance(request.instance_name)
    45 
    +            return instance.get_action_result(request.action_digest)
    46 
    +
    47 
    +        except InvalidArgumentError as e:
    48 
    +            self.logger.error(e)
    49 
    +            context.set_details(str(e))
    50 
    +            context.set_code(grpc.StatusCode.INVALID_ARGUMENT)
    42 51
    43 52 
             except NotFoundError as e:
    44 53 
                 self.logger.error(e)
    ... ... @@ -48,11 +57,24 @@ class ActionCacheService(remote_execution_pb2_grpc.ActionCacheServicer):
    48 57
    49 58 
         def UpdateActionResult(self, request, context):
    50 59 
             try:
    51 
    -            self._action_cache.update_action_result(request.action_digest, request.action_result)
    60 
    +            instance = self._get_instance(request.instance_name)
    61 
    +            instance.update_action_result(request.action_digest, request.action_result)
    52 62 
                 return request.action_result
    53 63
    64 
    +        except InvalidArgumentError as e:
    65 
    +            self.logger.error(e)
    66 
    +            context.set_details(str(e))
    67 
    +            context.set_code(grpc.StatusCode.INVALID_ARGUMENT)
    68 
    +
    54 69 
             except NotImplementedError as e:
    55 70 
                 self.logger.error(e)
    56 71 
                 context.set_code(grpc.StatusCode.UNIMPLEMENTED)
    57 72
    58 73 
             return remote_execution_pb2.ActionResult()
    74 
    +
    75 
    +    def _get_instance(self, instance_name):
    76 
    +        try:
    77 
    +            return self._instances[instance_name]
    78 
    +
    79 
    +        except KeyError:
    80 
    +            raise InvalidArgumentError("Invalid instance name: {}".format(instance_name))

  • buildgrid/server/bots/service.py
    ... ... @@ -33,10 +33,12 @@ from .._exceptions import InvalidArgumentError, OutofSyncError
    33 33
    34 34 
     class BotsService(bots_pb2_grpc.BotsServicer):
    35 35
    36 
    -    def __init__(self, instances):
    36 
    +    def __init__(self, server, instances):
    37 37 
             self._instances = instances
    38 38 
             self.logger = logging.getLogger(__name__)
    39 39
    40 
    +        bots_pb2_grpc.add_BotsServicer_to_server(self, server)
    41 
    +
    40 42 
         def CreateBotSession(self, request, context):
    41 43 
             try:
    42 44 
                 parent = request.parent

  • buildgrid/server/buildgrid_server.py deleted
    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 
    -
    16 
    -"""
    17 
    -BuildGridServer
    18 
    -==============
    19 
    -
    20 
    -Creates the user a local server BuildGrid server.
    21 
    -"""
    22 
    -
    23 
    -from concurrent import futures
    24 
    -
    25 
    -import grpc
    26 
    -
    27 
    -from buildgrid._protos.google.bytestream import bytestream_pb2_grpc
    28 
    -from buildgrid._protos.build.bazel.remote.execution.v2 import remote_execution_pb2_grpc
    29 
    -from buildgrid._protos.google.devtools.remoteworkers.v1test2 import bots_pb2_grpc
    30 
    -from buildgrid._protos.google.longrunning import operations_pb2_grpc
    31 
    -
    32 
    -from .instance import BuildGridInstance
    33 
    -from .cas.service import ByteStreamService, ContentAddressableStorageService
    34 
    -from .actioncache.service import ActionCacheService
    35 
    -from .execution.service import ExecutionService
    36 
    -from .operations.service import OperationsService
    37 
    -from .bots.service import BotsService
    38 
    -
    39 
    -
    40 
    -class BuildGridServer:
    41 
    -
    42 
    -    def __init__(self, port=50051, credentials=None, instances=None,
    43 
    -                 max_workers=10, action_cache=None, cas_storage=None):
    44 
    -        address = '[::]:{0}'.format(port)
    45 
    -
    46 
    -        self._server = grpc.server(futures.ThreadPoolExecutor(max_workers))
    47 
    -
    48 
    -        if credentials is not None:
    49 
    -            self._server.add_secure_port(address, credentials)
    50 
    -        else:
    51 
    -            self._server.add_insecure_port(address)
    52 
    -
    53 
    -        if cas_storage is not None:
    54 
    -            cas_service = ContentAddressableStorageService(cas_storage)
    55 
    -            remote_execution_pb2_grpc.add_ContentAddressableStorageServicer_to_server(cas_service,
    56 
    -                                                                                      self._server)
    57 
    -            bytestream_pb2_grpc.add_ByteStreamServicer_to_server(ByteStreamService(cas_storage),
    58 
    -                                                                 self._server)
    59 
    -        if action_cache is not None:
    60 
    -            action_cache_service = ActionCacheService(action_cache)
    61 
    -            remote_execution_pb2_grpc.add_ActionCacheServicer_to_server(action_cache_service,
    62 
    -                                                                        self._server)
    63 
    -
    64 
    -        buildgrid_instances = {}
    65 
    -        if not instances:
    66 
    -            buildgrid_instances["main"] = BuildGridInstance(action_cache, cas_storage)
    67 
    -        else:
    68 
    -            for name in instances:
    69 
    -                buildgrid_instances[name] = BuildGridInstance(action_cache, cas_storage)
    70 
    -
    71 
    -        bots_pb2_grpc.add_BotsServicer_to_server(BotsService(buildgrid_instances),
    72 
    -                                                 self._server)
    73 
    -        remote_execution_pb2_grpc.add_ExecutionServicer_to_server(ExecutionService(buildgrid_instances),
    74 
    -                                                                  self._server)
    75 
    -        operations_pb2_grpc.add_OperationsServicer_to_server(OperationsService(buildgrid_instances),
    76 
    -                                                             self._server)
    77 
    -
    78 
    -    def start(self):
    79 
    -        self._server.start()
    80 
    -
    81 
    -    def stop(self):
    82 
    -        self._server.stop(0)

  • buildgrid/server/cas/service.py
    ... ... @@ -27,18 +27,20 @@ import logging
    27 27 
     import grpc
    28 28
    29 29 
     from buildgrid._protos.google.bytestream import bytestream_pb2, bytestream_pb2_grpc
    30 
    -from buildgrid._protos.build.bazel.remote.execution.v2 import remote_execution_pb2 as re_pb2
    31 
    -from buildgrid._protos.build.bazel.remote.execution.v2 import remote_execution_pb2_grpc as re_pb2_grpc
    30 
    +from buildgrid._protos.build.bazel.remote.execution.v2 import remote_execution_pb2
    31 
    +from buildgrid._protos.build.bazel.remote.execution.v2 import remote_execution_pb2_grpc
    32 32
    33 33 
     from .._exceptions import InvalidArgumentError, NotFoundError, OutOfRangeError
    34 34
    35 35
    36 
    -class ContentAddressableStorageService(re_pb2_grpc.ContentAddressableStorageServicer):
    36 
    +class ContentAddressableStorageService(remote_execution_pb2_grpc.ContentAddressableStorageServicer):
    37 37
    38 
    -    def __init__(self, instances):
    38 
    +    def __init__(self, server, instances):
    39 39 
             self.logger = logging.getLogger(__name__)
    40 40 
             self._instances = instances
    41 41
    42 
    +        remote_execution_pb2_grpc.add_ContentAddressableStorageServicer_to_server(self, server)
    43 
    +
    42 44 
         def FindMissingBlobs(self, request, context):
    43 45 
             try:
    44 46 
                 instance = self._get_instance(request.instance_name)
    ... ... @@ -49,7 +51,7 @@ class ContentAddressableStorageService(re_pb2_grpc.ContentAddressableStorageServ
    49 51 
                 context.set_details(str(e))
    50 52 
                 context.set_code(grpc.StatusCode.INVALID_ARGUMENT)
    51 53
    52 
    -        return re_pb2.FindMissingBlobsResponse()
    54 
    +        return remote_execution_pb2.FindMissingBlobsResponse()
    53 55
    54 56 
         def BatchUpdateBlobs(self, request, context):
    55 57 
             try:
    ... ... @@ -61,7 +63,7 @@ class ContentAddressableStorageService(re_pb2_grpc.ContentAddressableStorageServ
    61 63 
                 context.set_details(str(e))
    62 64 
                 context.set_code(grpc.StatusCode.INVALID_ARGUMENT)
    63 65
    64 
    -        return re_pb2.BatchReadBlobsResponse()
    66 
    +        return remote_execution_pb2.BatchReadBlobsResponse()
    65 67
    66 68 
         def _get_instance(self, instance_name):
    67 69 
             try:
    ... ... @@ -73,10 +75,12 @@ class ContentAddressableStorageService(re_pb2_grpc.ContentAddressableStorageServ
    73 75
    74 76 
     class ByteStreamService(bytestream_pb2_grpc.ByteStreamServicer):
    75 77
    76 
    -    def __init__(self, instances):
    78 
    +    def __init__(self, server, instances):
    77 79 
             self.logger = logging.getLogger(__name__)
    78 80 
             self._instances = instances
    79 81
    82 
    +        bytestream_pb2_grpc.add_ByteStreamServicer_to_server(self, server)
    83 
    +
    80 84 
         def Read(self, request, context):
    81 85 
             try:
    82 86 
                 path = request.resource_name.split("/")

  • buildgrid/server/instance.py → buildgrid/server/controller.py
    ... ... @@ -14,31 +14,36 @@
    14 14
    15 15
    16 16 
     """
    17 
    -BuildGrid Instance
    17 
    +Execution Controller
    18 18 
     ==================
    19 19
    20 
    -An instance of the BuildGrid server.
    20 
    +An instance of the Execution controller.
    21 21
    22 
    -Contains scheduler, execution instance and an interface to the bots.
    22 
    +All this stuff you need to make the execution service work.
    23 
    +
    24 
    +Contains scheduler, execution instance, an interface to the bots
    25 
    +and an operations instance.
    23 26 
     """
    24 27
    25 28
    26 29 
     import logging
    27 30
    28 
    -from .execution.instance import ExecutionInstance
    29 31 
     from .scheduler import Scheduler
    30 32 
     from .bots.instance import BotsInterface
    33 
    +from .execution.instance import ExecutionInstance
    34 
    +from .operations.instance import OperationsInstance
    31 35
    32 36
    33 
    -class BuildGridInstance(ExecutionInstance, BotsInterface):
    37 
    +class ExecutionController(ExecutionInstance, BotsInterface, OperationsInstance):
    34 38
    35 
    -    def __init__(self, action_cache=None, cas_storage=None):
    39 
    +    def __init__(self, action_cache=None, storage=None):
    36 40 
             scheduler = Scheduler(action_cache)
    37 41
    38 42 
             self.logger = logging.getLogger(__name__)
    39 43
    40 
    -        ExecutionInstance.__init__(self, scheduler, cas_storage)
    44 
    +        ExecutionInstance.__init__(self, scheduler, storage)
    41 45 
             BotsInterface.__init__(self, scheduler)
    46 
    +        OperationsInstance.__init__(self, scheduler)
    42 47
    43 48 
         def stream_operation_updates(self, message_queue, operation_name):
    44 49 
             operation = message_queue.get()

  • buildgrid/server/execution/service.py
    ... ... @@ -35,10 +35,12 @@ from .._exceptions import InvalidArgumentError
    35 35
    36 36 
     class ExecutionService(remote_execution_pb2_grpc.ExecutionServicer):
    37 37
    38 
    -    def __init__(self, instances):
    38 
    +    def __init__(self, server, instances):
    39 39 
             self.logger = logging.getLogger(__name__)
    40 40 
             self._instances = instances
    41 41
    42 
    +        remote_execution_pb2_grpc.add_ExecutionServicer_to_server(self, server)
    43 
    +
    42 44 
         def Execute(self, request, context):
    43 45 
             try:
    44 46 
                 message_queue = queue.Queue()

  • buildgrid/server/operations/service.py
    ... ... @@ -29,13 +29,14 @@ from buildgrid._protos.google.longrunning import operations_pb2_grpc, operations
    29 29
    30 30 
     from .._exceptions import InvalidArgumentError
    31 31
    32 
    -
    33 32 
     class OperationsService(operations_pb2_grpc.OperationsServicer):
    34 33
    35 
    -    def __init__(self, instances):
    34 
    +    def __init__(self, server, instances):
    36 35 
             self._instances = instances
    37 36 
             self.logger = logging.getLogger(__name__)
    38 37
    38 
    +        operations_pb2_grpc.add_OperationsServicer_to_server(self, server)
    39 
    +
    39 40 
         def GetOperation(self, request, context):
    40 41 
             try:
    41 42 
                 name = request.name

  • buildgrid/server/referencestorage/service.py
    ... ... @@ -25,29 +25,64 @@ from .._exceptions import NotFoundError
    25 25
    26 26 
     class ReferenceStorageService(buildstream_pb2_grpc.ReferenceStorageServicer):
    27 27
    28 
    -    def __init__(self, reference_cache):
    28 
    +    def __init__(self, server, instances):
    29 29 
             self._reference_cache = reference_cache
    30 30 
             self.logger = logging.getLogger(__name__)
    31 31
    32 
    +        self._instances = instances
    33 
    +
    34 
    +        buildstream_pb2_grpc.add_ReferenceStorageServicer_to_server(self, server)
    35 
    +
    32 36 
         def GetReference(self, request, context):
    33 37 
             try:
    34 
    -            response = buildstream_pb2.GetReferenceResponse()
    35 
    -            response.digest.CopyFrom(self._reference_cache.get_digest_reference(request.key))
    36 
    -            return response
    38 
    +            instance = self._get_instance(request.instance_name)
    39 
    +            digest = instance.get_digest_reference(request.key)
    40 
    +            return buildstream_pb2.GetReferenceResponse(digest)
    41 
    +
    42 
    +        except InvalidArgumentError as e:
    43 
    +            self.logger.error(e)
    44 
    +            context.set_details(str(e))
    45 
    +            context.set_code(grpc.StatusCode.INVALID_ARGUMENT)
    37 46
    38 47 
             except NotFoundError:
    39 48 
                 context.set_code(grpc.StatusCode.NOT_FOUND)
    40 49
    50 
    +        return buildstream_pb2.GetReferenceResponse()
    51 
    +
    41 52 
         def UpdateReference(self, request, context):
    42 53 
             try:
    54 
    +            instance = self._get_instance(request.instance_name)
    55 
    +            digest = request.digest
    56 
    +
    43 57 
                 for key in request.keys:
    44 
    -                self._reference_cache.update_reference(key, request.digest)
    58 
    +                instance.update_reference(key, digest)
    45 59
    46 
    -            return buildstream_pb2.UpdateReferenceResponse()
    60 
    +        except InvalidArgumentError as e:
    61 
    +            self.logger.error(e)
    62 
    +            context.set_details(str(e))
    63 
    +            context.set_code(grpc.StatusCode.INVALID_ARGUMENT)
    47 64
    48 65 
             except NotImplementedError:
    49 66 
                 context.set_code(grpc.StatusCode.UNIMPLEMENTED)
    50 67
    68 
    +        return buildstream_pb2.UpdateReferenceResponse()
    69 
    +
    51 70 
         def Status(self, request, context):
    52 
    -        allow_updates = self._reference_cache.allow_updates
    53 
    -        return buildstream_pb2.StatusResponse(allow_updates=allow_updates)
    71 
    +        try:
    72 
    +            instance = self._get_instance(request.instance_name)
    73 
    +            allow_updates = instance.allow_updates
    74 
    +            return buildstream_pb2.StatusResponse(allow_updates=allow_updates)
    75 
    +
    76 
    +        except InvalidArgumentError as e:
    77 
    +            self.logger.error(e)
    78 
    +            context.set_details(str(e))
    79 
    +            context.set_code(grpc.StatusCode.INVALID_ARGUMENT)
    80 
    +
    81 
    +        return buildstream_pb2.StatusResponse()
    82 
    +
    83 
    +    def _get_instance(self, instance_name):
    84 
    +        try:
    85 
    +            return self._instances[instance_name]
    86 
    +
    87 
    +        except KeyError:
    88 
    +            raise InvalidArgumentError("Invalid instance name: {}".format(instance_name))

  • buildgrid/server/scheduler.py
    ... ... @@ -87,10 +87,10 @@ class Scheduler:
    87 87 
         def job_complete(self, name, result):
    88 88 
             job = self.jobs[name]
    89 89 
             job.result = result
    90 
    -        job.update_execute_stage(ExecuteStage.COMPLETED)
    91 90 
             self.jobs[name] = job
    92 91 
             if not job.do_not_cache and self._action_cache is not None:
    93 92 
                 self._action_cache.update_action_result(job.action_digest, result)
    93 
    +        job.update_execute_stage(ExecuteStage.COMPLETED)
    94 94
    95 95 
         def get_operations(self):
    96 96 
             response = operations_pb2.ListOperationsResponse()

  • setup.py
    ... ... @@ -114,6 +114,7 @@ setup(
    114 114 
             'protobuf',
    115 115 
             'grpcio',
    116 116 
             'Click',
    117 
    +        'pyaml',
    117 118 
             'boto3 < 1.8.0',
    118 119 
             'botocore < 1.11.0',
    119 120 
             'xdg',

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