[Notes] [Git][BuildGrid/buildgrid][finn/81-precon-fail] 5 commits: Added ReferenceCache parser.



Title: GitLab

finn pushed to branch finn/81-precon-fail at BuildGrid / buildgrid

Commits:

11 changed files:

Changes:

  • .gitlab-ci.yml
    ... ... @@ -33,6 +33,7 @@ before_script:
    33 33
         - ${BGD} server start buildgrid/_app/settings/default.yml &
    
    34 34
         - sleep 1 # Allow server to boot
    
    35 35
         - ${BGD} bot dummy &
    
    36
    +    - ${BGD} cas upload-dummy
    
    36 37
         - ${BGD} execute request-dummy --wait-for-completion
    
    37 38
     
    
    38 39
     
    

  • buildgrid/_app/commands/cmd_cas.py
    ... ... @@ -65,6 +65,23 @@ def cli(context, remote, instance_name, client_key, client_cert, server_cert):
    65 65
         context.logger.debug("Starting for remote {}".format(context.remote))
    
    66 66
     
    
    67 67
     
    
    68
    +@cli.command('upload-dummy', short_help="Upload a dummy action. Should be used with `execute dummy-request`")
    
    69
    +@pass_context
    
    70
    +def upload_dummy(context):
    
    71
    +    context.logger.info("Uploading dummy action...")
    
    72
    +    action = remote_execution_pb2.Action(do_not_cache=True)
    
    73
    +    action_digest = create_digest(action.SerializeToString())
    
    74
    +
    
    75
    +    request = remote_execution_pb2.BatchUpdateBlobsRequest(instance_name=context.instance_name)
    
    76
    +    request.requests.add(digest=action_digest,
    
    77
    +                         data=action.SerializeToString())
    
    78
    +
    
    79
    +    stub = remote_execution_pb2_grpc.ContentAddressableStorageStub(context.channel)
    
    80
    +    response = stub.BatchUpdateBlobs(request)
    
    81
    +
    
    82
    +    context.logger.info(response)
    
    83
    +
    
    84
    +
    
    68 85
     @cli.command('upload-files', short_help="Upload files to the CAS server.")
    
    69 86
     @click.argument('files', nargs=-1, type=click.File('rb'), required=True)
    
    70 87
     @pass_context
    

  • buildgrid/_app/commands/cmd_execute.py
    ... ... @@ -76,9 +76,11 @@ def cli(context, remote, instance_name, client_key, client_cert, server_cert):
    76 76
                   help="Stream updates until jobs are completed.")
    
    77 77
     @pass_context
    
    78 78
     def request_dummy(context, number, wait_for_completion):
    
    79
    -    action_digest = remote_execution_pb2.Digest()
    
    80 79
     
    
    81 80
         context.logger.info("Sending execution request...")
    
    81
    +    action = remote_execution_pb2.Action(do_not_cache=True)
    
    82
    +    action_digest = create_digest(action.SerializeToString())
    
    83
    +
    
    82 84
         stub = remote_execution_pb2_grpc.ExecutionStub(context.channel)
    
    83 85
     
    
    84 86
         request = remote_execution_pb2.ExecuteRequest(instance_name=context.instance_name,
    
    ... ... @@ -90,9 +92,18 @@ def request_dummy(context, number, wait_for_completion):
    90 92
             responses.append(stub.Execute(request))
    
    91 93
     
    
    92 94
         for response in responses:
    
    95
    +
    
    93 96
             if wait_for_completion:
    
    97
    +            result = None
    
    94 98
                 for stream in response:
    
    95
    -                context.logger.info(stream)
    
    99
    +                result = stream
    
    100
    +                context.logger.info(result)
    
    101
    +
    
    102
    +            if not result.done:
    
    103
    +                click.echo("Result did not return True." +
    
    104
    +                           "Was the action uploaded to CAS?", err=True)
    
    105
    +                sys.exit(-1)
    
    106
    +
    
    96 107
             else:
    
    97 108
                 context.logger.info(next(response))
    
    98 109
     
    

  • buildgrid/_app/settings/cas.yml
    ... ... @@ -7,7 +7,7 @@ server:
    7 7
         tls-client-certs: null
    
    8 8
     
    
    9 9
     description: |
    
    10
    -  Just a CAS.
    
    10
    +  Just a CAS with some reference storage.
    
    11 11
     
    
    12 12
     instances:
    
    13 13
       - name: main
    
    ... ... @@ -24,3 +24,8 @@ instances:
    24 24
     
    
    25 25
           - !bytestream
    
    26 26
             storage: *main-storage
    
    27
    +
    
    28
    +      - !reference-cache
    
    29
    +        storage: *main-storage
    
    30
    +        max_cached_refs: 256
    
    31
    +        allow_updates: true

  • buildgrid/_app/settings/parser.py
    ... ... @@ -23,6 +23,7 @@ import yaml
    23 23
     
    
    24 24
     from buildgrid.server.controller import ExecutionController
    
    25 25
     from buildgrid.server.actioncache.storage import ActionCache
    
    26
    +from buildgrid.server.referencestorage.storage import ReferenceCache
    
    26 27
     from buildgrid.server.cas.instance import ByteStreamInstance, ContentAddressableStorageInstance
    
    27 28
     from buildgrid.server.cas.storage.disk import DiskStorage
    
    28 29
     from buildgrid.server.cas.storage.lru_memory_cache import LRUMemoryCache
    
    ... ... @@ -126,10 +127,18 @@ class Action(YamlFactory):
    126 127
     
    
    127 128
         yaml_tag = u'!action-cache'
    
    128 129
     
    
    129
    -    def __new__(cls, storage, max_cached_refs=0, allow_updates=True):
    
    130
    +    def __new__(cls, storage, max_cached_refs, allow_updates=True):
    
    130 131
             return ActionCache(storage, max_cached_refs, allow_updates)
    
    131 132
     
    
    132 133
     
    
    134
    +class Reference(YamlFactory):
    
    135
    +
    
    136
    +    yaml_tag = u'!reference-cache'
    
    137
    +
    
    138
    +    def __new__(cls, storage, max_cached_refs, allow_updates=True):
    
    139
    +        return ReferenceCache(storage, max_cached_refs, allow_updates)
    
    140
    +
    
    141
    +
    
    133 142
     class CAS(YamlFactory):
    
    134 143
     
    
    135 144
         yaml_tag = u'!cas'
    
    ... ... @@ -160,9 +169,9 @@ def _parse_size(size):
    160 169
     
    
    161 170
     def get_parser():
    
    162 171
     
    
    163
    -    yaml.SafeLoader.add_constructor(Execution.yaml_tag, Execution.from_yaml)
    
    164 172
         yaml.SafeLoader.add_constructor(Execution.yaml_tag, Execution.from_yaml)
    
    165 173
         yaml.SafeLoader.add_constructor(Action.yaml_tag, Action.from_yaml)
    
    174
    +    yaml.SafeLoader.add_constructor(Reference.yaml_tag, Reference.from_yaml)
    
    166 175
         yaml.SafeLoader.add_constructor(Disk.yaml_tag, Disk.from_yaml)
    
    167 176
         yaml.SafeLoader.add_constructor(LRU.yaml_tag, LRU.from_yaml)
    
    168 177
         yaml.SafeLoader.add_constructor(S3.yaml_tag, S3.from_yaml)
    

  • buildgrid/server/_exceptions.py
    ... ... @@ -46,3 +46,12 @@ class OutOfRangeError(BgdError):
    46 46
     
    
    47 47
         def __init__(self, message, detail=None, reason=None):
    
    48 48
             super().__init__(message, detail=detail, domain=ErrorDomain.SERVER, reason=reason)
    
    49
    +
    
    50
    +
    
    51
    +class FailedPreconditionError(BgdError):
    
    52
    +    """ One or more errors occurred in setting up the action requested, such as a missing input
    
    53
    +    or command or no worker being available. The client may be able to fix the errors and retry.
    
    54
    +    """
    
    55
    +
    
    56
    +    def __init__(self, message, detail=None, reason=None):
    
    57
    +        super().__init__(message, detail=detail, domain=ErrorDomain.SERVER, reason=reason)

  • buildgrid/server/execution/instance.py
    ... ... @@ -24,12 +24,12 @@ import logging
    24 24
     from buildgrid._protos.build.bazel.remote.execution.v2.remote_execution_pb2 import Action
    
    25 25
     
    
    26 26
     from ..job import Job
    
    27
    -from .._exceptions import InvalidArgumentError
    
    27
    +from .._exceptions import InvalidArgumentError, FailedPreconditionError
    
    28 28
     
    
    29 29
     
    
    30 30
     class ExecutionInstance:
    
    31 31
     
    
    32
    -    def __init__(self, scheduler, storage=None):
    
    32
    +    def __init__(self, scheduler, storage):
    
    33 33
             self.logger = logging.getLogger(__name__)
    
    34 34
             self._storage = storage
    
    35 35
             self._scheduler = scheduler
    
    ... ... @@ -40,13 +40,12 @@ class ExecutionInstance:
    40 40
             this action.
    
    41 41
             """
    
    42 42
     
    
    43
    -        do_not_cache = False
    
    44
    -        if self._storage is not None:
    
    45
    -            action = self._storage.get_message(action_digest, Action)
    
    46
    -            if action is not None:
    
    47
    -                do_not_cache = action.do_not_cache
    
    43
    +        action = self._storage.get_message(action_digest, Action)
    
    48 44
     
    
    49
    -        job = Job(action_digest, do_not_cache, message_queue)
    
    45
    +        if not action:
    
    46
    +            raise FailedPreconditionError("Could not get action from storage.")
    
    47
    +
    
    48
    +        job = Job(action_digest, action.do_not_cache, message_queue)
    
    50 49
             self.logger.info("Operation name: {}".format(job.name))
    
    51 50
     
    
    52 51
             self._scheduler.append_job(job, skip_cache_lookup)
    

  • buildgrid/server/execution/service.py
    ... ... @@ -30,7 +30,7 @@ from buildgrid._protos.build.bazel.remote.execution.v2 import remote_execution_p
    30 30
     
    
    31 31
     from buildgrid._protos.google.longrunning import operations_pb2
    
    32 32
     
    
    33
    -from .._exceptions import InvalidArgumentError
    
    33
    +from .._exceptions import InvalidArgumentError, FailedPreconditionError
    
    34 34
     
    
    35 35
     
    
    36 36
     class ExecutionService(remote_execution_pb2_grpc.ExecutionServicer):
    
    ... ... @@ -61,6 +61,12 @@ class ExecutionService(remote_execution_pb2_grpc.ExecutionServicer):
    61 61
                 context.set_code(grpc.StatusCode.INVALID_ARGUMENT)
    
    62 62
                 yield operations_pb2.Operation()
    
    63 63
     
    
    64
    +        except FailedPreconditionError as e:
    
    65
    +            self.logger.error(e)
    
    66
    +            context.set_details(str(e))
    
    67
    +            context.set_code(grpc.StatusCode.FAILED_PRECONDITION)
    
    68
    +            yield operations_pb2.Operation()
    
    69
    +
    
    64 70
         def WaitExecution(self, request, context):
    
    65 71
             try:
    
    66 72
                 names = request.name.split("/")
    

  • docs/source/using_dummy_build.rst
    ... ... @@ -9,7 +9,13 @@ In one terminal, start a server:
    9 9
     
    
    10 10
        bgd server start buildgrid/_app/settings/default.yml
    
    11 11
     
    
    12
    -In another terminal, send a request for work:
    
    12
    +In another terminal, upload an action to CAS:
    
    13
    +
    
    14
    +.. code-block::sh
    
    15
    +
    
    16
    +   bgd cas upload-dummy
    
    17
    +
    
    18
    +Then send a request for work:
    
    13 19
     
    
    14 20
     .. code-block:: sh
    
    15 21
     
    

  • tests/integration/execution_service.py
    ... ... @@ -28,6 +28,7 @@ import pytest
    28 28
     from buildgrid._protos.build.bazel.remote.execution.v2 import remote_execution_pb2
    
    29 29
     from buildgrid._protos.google.longrunning import operations_pb2
    
    30 30
     
    
    31
    +from buildgrid.utils import create_digest
    
    31 32
     from buildgrid.server import job
    
    32 33
     from buildgrid.server.controller import ExecutionController
    
    33 34
     from buildgrid.server.cas.storage import lru_memory_cache
    
    ... ... @@ -37,6 +38,8 @@ from buildgrid.server.execution.service import ExecutionService
    37 38
     
    
    38 39
     
    
    39 40
     server = mock.create_autospec(grpc.server)
    
    41
    +action = remote_execution_pb2.Action(do_not_cache=True)
    
    42
    +action_digest = create_digest(action.SerializeToString())
    
    40 43
     
    
    41 44
     
    
    42 45
     @pytest.fixture
    
    ... ... @@ -47,12 +50,16 @@ def context():
    47 50
     
    
    48 51
     @pytest.fixture(params=["action-cache", "no-action-cache"])
    
    49 52
     def controller(request):
    
    53
    +    storage = lru_memory_cache.LRUMemoryCache(1024 * 1024)
    
    54
    +    write_session = storage.begin_write(action_digest)
    
    55
    +    storage.commit_write(action_digest, write_session)
    
    56
    +
    
    50 57
         if request.param == "action-cache":
    
    51
    -        storage = lru_memory_cache.LRUMemoryCache(1024 * 1024)
    
    52 58
             cache = ActionCache(storage, 50)
    
    53 59
             yield ExecutionController(cache, storage)
    
    60
    +
    
    54 61
         else:
    
    55
    -        yield ExecutionController()
    
    62
    +        yield ExecutionController(None, storage)
    
    56 63
     
    
    57 64
     
    
    58 65
     # Instance to test
    
    ... ... @@ -65,9 +72,6 @@ def instance(controller):
    65 72
     
    
    66 73
     @pytest.mark.parametrize("skip_cache_lookup", [True, False])
    
    67 74
     def test_execute(skip_cache_lookup, instance, context):
    
    68
    -    action_digest = remote_execution_pb2.Digest()
    
    69
    -    action_digest.hash = 'zhora'
    
    70
    -
    
    71 75
         request = remote_execution_pb2.ExecuteRequest(instance_name='',
    
    72 76
                                                       action_digest=action_digest,
    
    73 77
                                                       skip_cache_lookup=skip_cache_lookup)
    
    ... ... @@ -90,10 +94,16 @@ def test_wrong_execute_instance(instance, context):
    90 94
         context.set_code.assert_called_once_with(grpc.StatusCode.INVALID_ARGUMENT)
    
    91 95
     
    
    92 96
     
    
    93
    -def test_wait_execution(instance, controller, context):
    
    94
    -    action_digest = remote_execution_pb2.Digest()
    
    95
    -    action_digest.hash = 'zhora'
    
    97
    +def test_no_action_digest_in_storage(instance, context):
    
    98
    +    request = remote_execution_pb2.ExecuteRequest(instance_name='',
    
    99
    +                                                  skip_cache_lookup=True)
    
    100
    +    response = instance.Execute(request, context)
    
    101
    +
    
    102
    +    next(response)
    
    103
    +    context.set_code.assert_called_once_with(grpc.StatusCode.FAILED_PRECONDITION)
    
    96 104
     
    
    105
    +
    
    106
    +def test_wait_execution(instance, controller, context):
    
    97 107
         j = job.Job(action_digest, None)
    
    98 108
         j._operation.done = True
    
    99 109
     
    

  • tests/integration/operations_service.py
    ... ... @@ -24,18 +24,21 @@ import grpc
    24 24
     from grpc._server import _Context
    
    25 25
     import pytest
    
    26 26
     
    
    27
    -from buildgrid._protos.build.bazel.remote.execution.v2 import remote_execution_pb2
    
    28
    -from buildgrid._protos.google.longrunning import operations_pb2
    
    29
    -
    
    27
    +from buildgrid.utils import create_digest
    
    30 28
     from buildgrid.server.controller import ExecutionController
    
    31
    -from buildgrid.server._exceptions import InvalidArgumentError
    
    32
    -
    
    29
    +from buildgrid.server.cas.storage import lru_memory_cache
    
    33 30
     from buildgrid.server.operations import service
    
    34 31
     from buildgrid.server.operations.service import OperationsService
    
    32
    +from buildgrid.server._exceptions import InvalidArgumentError
    
    33
    +
    
    34
    +from buildgrid._protos.build.bazel.remote.execution.v2 import remote_execution_pb2
    
    35
    +from buildgrid._protos.google.longrunning import operations_pb2
    
    35 36
     
    
    36 37
     
    
    37 38
     server = mock.create_autospec(grpc.server)
    
    38 39
     instance_name = "blade"
    
    40
    +action = remote_execution_pb2.Action(do_not_cache=True)
    
    41
    +action_digest = create_digest(action.SerializeToString())
    
    39 42
     
    
    40 43
     
    
    41 44
     # Can mock this
    
    ... ... @@ -47,9 +50,6 @@ def context():
    47 50
     # Requests to make
    
    48 51
     @pytest.fixture
    
    49 52
     def execute_request():
    
    50
    -    action_digest = remote_execution_pb2.Digest()
    
    51
    -    action_digest.hash = 'zhora'
    
    52
    -
    
    53 53
         yield remote_execution_pb2.ExecuteRequest(instance_name='',
    
    54 54
                                                   action_digest=action_digest,
    
    55 55
                                                   skip_cache_lookup=True)
    
    ... ... @@ -57,7 +57,11 @@ def execute_request():
    57 57
     
    
    58 58
     @pytest.fixture
    
    59 59
     def controller():
    
    60
    -    yield ExecutionController()
    
    60
    +    storage = lru_memory_cache.LRUMemoryCache(1024 * 1024)
    
    61
    +    write_session = storage.begin_write(action_digest)
    
    62
    +    storage.commit_write(action_digest, write_session)
    
    63
    +
    
    64
    +    yield ExecutionController(None, storage)
    
    61 65
     
    
    62 66
     
    
    63 67
     # Instance to test
    



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