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[Notes] [Git][BuildGrid/buildgrid][arber/91-get-tree] Deleted 1 commit: Start the implementation of the getTree method.

Title: GitLab

Arber Xhindoli pushed to branch arber/91-get-tree at BuildGrid / buildgrid

WARNING: The push did not contain any new commits, but force pushed to delete the commits and changes below.

Deleted commits:

6 changed files:

Changes:

  • buildgrid/client/cas.py
    ... ... @@ -24,7 +24,7 @@ from buildgrid._protos.build.bazel.remote.execution.v2 import remote_execution_p
    24 24 
     from buildgrid._protos.google.bytestream import bytestream_pb2, bytestream_pb2_grpc
    25 25 
     from buildgrid._protos.google.rpc import code_pb2
    26 26 
     from buildgrid.settings import HASH
    27 
    -from buildgrid.utils import merkle_tree_maker
    27 
    +from buildgrid.utils import merkle_tree_maker, MAX_REQUEST_COUNT
    28 28
    29 29
    30 30 
     # Maximum size for a queueable file:
    ... ... @@ -33,9 +33,6 @@ FILE_SIZE_THRESHOLD = 1 * 1024 * 1024
    33 33 
     # Maximum size for a single gRPC request:
    34 34 
     MAX_REQUEST_SIZE = 2 * 1024 * 1024
    35 35
    36 
    -# Maximum number of elements per gRPC request:
    37 
    -MAX_REQUEST_COUNT = 500
    38 
    -
    39 36
    40 37 
     class _CallCache:
    41 38 
         """Per remote grpc.StatusCode.UNIMPLEMENTED call cache."""
    ... ... @@ -87,8 +84,10 @@ class Downloader:
    87 84
    88 85 
             self.instance_name = instance
    89 86
    90 
    -        self.__bytestream_stub = bytestream_pb2_grpc.ByteStreamStub(self.channel)
    91 
    -        self.__cas_stub = remote_execution_pb2_grpc.ContentAddressableStorageStub(self.channel)
    87 
    +        self.__bytestream_stub = bytestream_pb2_grpc.ByteStreamStub(
    88 
    +            self.channel)
    89 
    +        self.__cas_stub = remote_execution_pb2_grpc.ContentAddressableStorageStub(
    90 
    +            self.channel)
    92 91
    93 92 
             self.__file_requests = {}
    94 93 
             self.__file_request_count = 0
    ... ... @@ -245,7 +244,8 @@ class Downloader:
    245 244 
                 resource_name = '/'.join([self.instance_name, 'blobs',
    246 245 
                                           digest.hash, str(digest.size_bytes)])
    247 246 
             else:
    248 
    -            resource_name = '/'.join(['blobs', digest.hash, str(digest.size_bytes)])
    247 
    +            resource_name = '/'.join(['blobs', digest.hash,
    248 
    +                                      str(digest.size_bytes)])
    249 249
    250 250 
             read_request = bytestream_pb2.ReadRequest()
    251 251 
             read_request.resource_name = resource_name
    ... ... @@ -261,7 +261,8 @@ class Downloader:
    261 261 
             except grpc.RpcError as e:
    262 262 
                 status_code = e.code()
    263 263 
                 if status_code == grpc.StatusCode.NOT_FOUND:
    264 
    -                raise NotFoundError("Requested data does not exist on the remote.")
    264 
    +                raise NotFoundError(
    265 
    +                    "Requested data does not exist on the remote.")
    265 266
    266 267 
                 else:
    267 268 
                     assert False
    ... ... @@ -295,7 +296,8 @@ class Downloader:
    295 296 
                 except grpc.RpcError as e:
    296 297 
                     status_code = e.code()
    297 298 
                     if status_code == grpc.StatusCode.UNIMPLEMENTED:
    298 
    -                    _CallCache.mark_unimplemented(self.channel, 'BatchReadBlobs')
    299 
    +                    _CallCache.mark_unimplemented(
    300 
    +                        self.channel, 'BatchReadBlobs')
    299 301
    300 302 
                     elif status_code == grpc.StatusCode.INVALID_ARGUMENT:
    301 303 
                         read_blobs.clear()
    ... ... @@ -317,7 +319,8 @@ class Downloader:
    317 319 
                 resource_name = '/'.join([self.instance_name, 'blobs',
    318 320 
                                           digest.hash, str(digest.size_bytes)])
    319 321 
             else:
    320 
    -            resource_name = '/'.join(['blobs', digest.hash, str(digest.size_bytes)])
    322 
    +            resource_name = '/'.join(['blobs', digest.hash,
    323 
    +                                      str(digest.size_bytes)])
    321 324
    322 325 
             read_request = bytestream_pb2.ReadRequest()
    323 326 
             read_request.resource_name = resource_name
    ... ... @@ -391,10 +394,12 @@ class Downloader:
    391 394 
                 except grpc.RpcError as e:
    392 395 
                     status_code = e.code()
    393 396 
                     if status_code == grpc.StatusCode.UNIMPLEMENTED:
    394 
    -                    _CallCache.mark_unimplemented(self.channel, 'BatchUpdateBlobs')
    397 
    +                    _CallCache.mark_unimplemented(
    398 
    +                        self.channel, 'BatchUpdateBlobs')
    395 399
    396 400 
                     elif status_code == grpc.StatusCode.NOT_FOUND:
    397 
    -                    raise NotFoundError("Requested directory does not exist on the remote.")
    401 
    +                    raise NotFoundError(
    402 
    +                        "Requested directory does not exist on the remote.")
    398 403
    399 404 
                     else:
    400 405 
                         assert False
    ... ... @@ -422,7 +427,8 @@ class Downloader:
    422 427 
                     directory = directories[directory_node.digest.hash]
    423 428 
                 else:
    424 429 
                     directory = remote_execution_pb2.Directory()
    425 
    -                directory.ParseFromString(self._fetch_blob(directory_node.digest))
    430 
    +                directory.ParseFromString(
    431 
    +                    self._fetch_blob(directory_node.digest))
    426 432
    427 433 
                 os.makedirs(directory_path, exist_ok=True)
    428 434
    ... ... @@ -484,8 +490,10 @@ class Uploader:
    484 490 
             else:
    485 491 
                 self.u_uid = str(uuid.uuid4())
    486 492
    487 
    -        self.__bytestream_stub = bytestream_pb2_grpc.ByteStreamStub(self.channel)
    488 
    -        self.__cas_stub = remote_execution_pb2_grpc.ContentAddressableStorageStub(self.channel)
    493 
    +        self.__bytestream_stub = bytestream_pb2_grpc.ByteStreamStub(
    494 
    +            self.channel)
    495 
    +        self.__cas_stub = remote_execution_pb2_grpc.ContentAddressableStorageStub(
    496 
    +            self.channel)
    489 497
    490 498 
             self.__requests = {}
    491 499 
             self.__request_count = 0
    ... ... @@ -770,7 +778,8 @@ class Uploader:
    770 778 
                     request.data = blob
    771 779
    772 780 
                 try:
    773 
    -                batch_response = self.__cas_stub.BatchUpdateBlobs(batch_request)
    781 
    +                batch_response = self.__cas_stub.BatchUpdateBlobs(
    782 
    +                    batch_request)
    774 783 
                     for response in batch_response.responses:
    775 784 
                         assert response.digest.hash in batch
    776 785
    ... ... @@ -783,7 +792,8 @@ class Uploader:
    783 792 
                 except grpc.RpcError as e:
    784 793 
                     status_code = e.code()
    785 794 
                     if status_code == grpc.StatusCode.UNIMPLEMENTED:
    786 
    -                    _CallCache.mark_unimplemented(self.channel, 'BatchUpdateBlobs')
    795 
    +                    _CallCache.mark_unimplemented(
    796 
    +                        self.channel, 'BatchUpdateBlobs')
    787 797
    788 798 
                     elif status_code == grpc.StatusCode.INVALID_ARGUMENT:
    789 799 
                         written_digests.clear()

  • buildgrid/server/cas/instance.py
    ... ... @@ -54,6 +54,19 @@ class ContentAddressableStorageInstance:
    54 54
    55 55 
             return response
    56 56
    57 
    +    def get_tree(self, request, directory_list, digest_list):
    58 
    +        """
    59 
    +        This function will start reading directories at request.root_digest.
    60 
    +        It will push the directories, and their corresponding digests into the
    61 
    +        directory_list and digest_list.
    62 
    +
    63 
    +        It will continue to do a level-order traversal until either: directory_list reaches the end,
    64 
    +        or we have made request.page_size reads. If the latter case, it will return len(directory_list) - 1 so
    65 
    +        subsequent calls can pick up where it left off.
    66 
    +        Otherwise, returns None, meaning we have read the directory tree.
    67 
    +        """
    68 
    +        return None
    69 
    +
    57 70
    58 71 
     class ByteStreamInstance:
    59 72
    ... ... @@ -127,13 +140,15 @@ class ByteStreamInstance:
    127 140
    128 141 
                 for request in requests:
    129 142 
                     if finished:
    130 
    -                    raise InvalidArgumentError("Write request sent after write finished")
    143 
    +                    raise InvalidArgumentError(
    144 
    +                        "Write request sent after write finished")
    131 145
    132 146 
                     elif request.write_offset != bytes_written:
    133 147 
                         raise InvalidArgumentError("Invalid write offset")
    134 148
    135 149 
                     elif request.resource_name and request.resource_name != first_request.resource_name:
    136 
    -                    raise InvalidArgumentError("Resource name changed mid-write")
    150 
    +                    raise InvalidArgumentError(
    151 
    +                        "Resource name changed mid-write")
    137 152
    138 153 
                     finished = request.finish_write
    139 154 
                     bytes_written += len(request.data)
    ... ... @@ -145,7 +160,8 @@ class ByteStreamInstance:
    145 160
    146 161 
             # Check that the data matches the provided digest.
    147 162 
             if bytes_written != digest.size_bytes or not finished:
    148 
    -            raise NotImplementedError("Cannot close stream before finishing write")
    163 
    +            raise NotImplementedError(
    164 
    +                "Cannot close stream before finishing write")
    149 165
    150 166 
             elif hash_.hexdigest() != digest.hash:
    151 167 
                 raise InvalidArgumentError("Data does not match hash")

  • buildgrid/server/cas/service.py
    ... ... @@ -30,6 +30,7 @@ from buildgrid._exceptions import InvalidArgumentError, NotFoundError, OutOfRang
    30 30 
     from buildgrid._protos.google.bytestream import bytestream_pb2, bytestream_pb2_grpc
    31 31 
     from buildgrid._protos.build.bazel.remote.execution.v2 import remote_execution_pb2
    32 32 
     from buildgrid._protos.build.bazel.remote.execution.v2 import remote_execution_pb2_grpc
    33 
    +from buildgrid.utils import MAX_REQUEST_COUNT
    33 34
    34 35
    35 36 
     class ContentAddressableStorageService(remote_execution_pb2_grpc.ContentAddressableStorageServicer):
    ... ... @@ -39,7 +40,8 @@ class ContentAddressableStorageService(remote_execution_pb2_grpc.ContentAddressa
    39 40
    40 41 
             self._instances = {}
    41 42
    42 
    -        remote_execution_pb2_grpc.add_ContentAddressableStorageServicer_to_server(self, server)
    43 
    +        remote_execution_pb2_grpc.add_ContentAddressableStorageServicer_to_server(
    44 
    +            self, server)
    43 45
    44 46 
         def add_instance(self, name, instance):
    45 47 
             self._instances[name] = instance
    ... ... @@ -49,7 +51,8 @@ class ContentAddressableStorageService(remote_execution_pb2_grpc.ContentAddressa
    49 51 
                 self.logger.debug("FindMissingBlobs request: [{}]".format(request))
    50 52 
                 instance = self._get_instance(request.instance_name)
    51 53 
                 response = instance.find_missing_blobs(request.blob_digests)
    52 
    -            self.logger.debug("FindMissingBlobs response: [{}]".format(response))
    54 
    +            self.logger.debug(
    55 
    +                "FindMissingBlobs response: [{}]".format(response))
    53 56 
                 return response
    54 57
    55 58 
             except InvalidArgumentError as e:
    ... ... @@ -64,7 +67,8 @@ class ContentAddressableStorageService(remote_execution_pb2_grpc.ContentAddressa
    64 67 
                 self.logger.debug("BatchUpdateBlobs request: [{}]".format(request))
    65 68 
                 instance = self._get_instance(request.instance_name)
    66 69 
                 response = instance.batch_update_blobs(request.requests)
    67 
    -            self.logger.debug("FindMissingBlobs response: [{}]".format(response))
    70 
    +            self.logger.debug(
    71 
    +                "FindMissingBlobs response: [{}]".format(response))
    68 72 
                 return response
    69 73
    70 74 
             except InvalidArgumentError as e:
    ... ... @@ -81,8 +85,63 @@ class ContentAddressableStorageService(remote_execution_pb2_grpc.ContentAddressa
    81 85 
             return remote_execution_pb2.BatchReadBlobsResponse()
    82 86
    83 87 
         def GetTree(self, request, context):
    88 
    +
    84 89 
             context.set_code(grpc.StatusCode.UNIMPLEMENTED)
    85 90 
             context.set_details('Method not implemented!')
    91 
    +        return iter([remote_execution_pb2.GetTreeResponse()])
    92 
    +
    93 
    +        # Stores the directories as long as a page token is returned.
    94 
    +        directories = []
    95 
    +        # Stores the digests of those directories
    96 
    +        digests = []
    97 
    +
    98 
    +        # if page_size is not set, set it to MAX_REQUEST_COUNT
    99 
    +        if request.page_size == 0:
    100 
    +            request.page_size = MAX_REQUEST_COUNT
    101 
    +
    102 
    +        """Set to 0, will be used to index into directory list,
    103 
    +         and updated in instance.get_tree(only way this makes sense to me.)
    104 
    +        """
    105 
    +        request.page_token = 0
    106 
    +
    107 
    +        # start at index 1, to not return root
    108 
    +        start_index = 1
    109 
    +
    110 
    +        try:
    111 
    +            instance = self._get_instance(request.instance_name)
    112 
    +            while True:
    113 
    +                self.logger.debug("GetTree request: [{}]".format(request))
    114 
    +                """
    115 
    +                Returns next page_token once page_size directories is reached.
    116 
    +                The page_token, is essentially an index into the directories/digests list.
    117 
    +                """
    118 
    +                page_token = instance.get_tree(
    119 
    +                    request, directories, digests)
    120 
    +
    121 
    +                response = remote_execution_pb2.GetTreeResponse()
    122 
    +                if not page_token:
    123 
    +                    # get directories from last request to the end since no page_token
    124 
    +                    response.directories = directories[start_index:]
    125 
    +                    response.page_token = None
    126 
    +                    # stop the generator no more directories
    127 
    +                    return response
    128 
    +                else:
    129 
    +                    # return from last request, to current request directories
    130 
    +                    response.directories = directories[start_index:page_token]
    131 
    +                    response.page_token = str(page_token)
    132 
    +                    yield response
    133 
    +
    134 
    +                # create new request using returned page token, update start_index
    135 
    +                request = remote_execution_pb2.GetTreeRequest()
    136 
    +                request.page_size = MAX_REQUEST_COUNT
    137 
    +                request.page_token = page_token
    138 
    +                request.root_digest = digests[page_token]
    139 
    +                start_index = page_token
    140 
    +
    141 
    +        except InvalidArgumentError as e:
    142 
    +            self.logger.error(e)
    143 
    +            context.set_details(str(e))
    144 
    +            context.set_code(grpc.StatusCode.INVALID_ARGUMENT)
    86 145
    87 146 
             return iter([remote_execution_pb2.GetTreeResponse()])
    88 147
    ... ... @@ -91,7 +150,8 @@ class ContentAddressableStorageService(remote_execution_pb2_grpc.ContentAddressa
    91 150 
                 return self._instances[instance_name]
    92 151
    93 152 
             except KeyError:
    94 
    -            raise InvalidArgumentError("Invalid instance name: [{}]".format(instance_name))
    153 
    +            raise InvalidArgumentError(
    154 
    +                "Invalid instance name: [{}]".format(instance_name))
    95 155
    96 156
    97 157 
     class ByteStreamService(bytestream_pb2_grpc.ByteStreamServicer):
    ... ... @@ -115,15 +175,18 @@ class ByteStreamService(bytestream_pb2_grpc.ByteStreamServicer):
    115 175 
                 # TODO: Decide on default instance name
    116 176 
                 if path[0] == "blobs":
    117 177 
                     if len(path) < 3 or not path[2].isdigit():
    118 
    -                    raise InvalidArgumentError("Invalid resource name: [{}]".format(request.resource_name))
    178 
    +                    raise InvalidArgumentError(
    179 
    +                        "Invalid resource name: [{}]".format(request.resource_name))
    119 180 
                     instance_name = ""
    120 181
    121 182 
                 elif path[1] == "blobs":
    122 183 
                     if len(path) < 4 or not path[3].isdigit():
    123 
    -                    raise InvalidArgumentError("Invalid resource name: [{}]".format(request.resource_name))
    184 
    +                    raise InvalidArgumentError(
    185 
    +                        "Invalid resource name: [{}]".format(request.resource_name))
    124 186
    125 187 
                 else:
    126 
    -                raise InvalidArgumentError("Invalid resource name: [{}]".format(request.resource_name))
    188 
    +                raise InvalidArgumentError(
    189 
    +                    "Invalid resource name: [{}]".format(request.resource_name))
    127 190
    128 191 
                 instance = self._get_instance(instance_name)
    129 192 
                 yield from instance.read(path,
    ... ... @@ -154,7 +217,8 @@ class ByteStreamService(bytestream_pb2_grpc.ByteStreamServicer):
    154 217 
             try:
    155 218 
                 requests, request_probe = tee(requests, 2)
    156 219 
                 first_request = next(request_probe)
    157 
    -            self.logger.debug("First write request: [{}]".format(first_request))
    220 
    +            self.logger.debug(
    221 
    +                "First write request: [{}]".format(first_request))
    158 222
    159 223 
                 path = first_request.resource_name.split("/")
    160 224
    ... ... @@ -163,15 +227,18 @@ class ByteStreamService(bytestream_pb2_grpc.ByteStreamServicer):
    163 227 
                 # TODO: Sort out no instance name
    164 228 
                 if path[0] == "uploads":
    165 229 
                     if len(path) < 5 or path[2] != "blobs" or not path[4].isdigit():
    166 
    -                    raise InvalidArgumentError("Invalid resource name: [{}]".format(first_request.resource_name))
    230 
    +                    raise InvalidArgumentError(
    231 
    +                        "Invalid resource name: [{}]".format(first_request.resource_name))
    167 232 
                     instance_name = ""
    168 233
    169 234 
                 elif path[1] == "uploads":
    170 235 
                     if len(path) < 6 or path[3] != "blobs" or not path[5].isdigit():
    171 
    -                    raise InvalidArgumentError("Invalid resource name: [{}]".format(first_request.resource_name))
    236 
    +                    raise InvalidArgumentError(
    237 
    +                        "Invalid resource name: [{}]".format(first_request.resource_name))
    172 238
    173 239 
                 else:
    174 
    -                raise InvalidArgumentError("Invalid resource name: [{}]".format(first_request.resource_name))
    240 
    +                raise InvalidArgumentError(
    241 
    +                    "Invalid resource name: [{}]".format(first_request.resource_name))
    175 242
    176 243 
                 instance = self._get_instance(instance_name)
    177 244 
                 response = instance.write(requests)
    ... ... @@ -206,4 +273,5 @@ class ByteStreamService(bytestream_pb2_grpc.ByteStreamServicer):
    206 273 
                 return self._instances[instance_name]
    207 274
    208 275 
             except KeyError:
    209 
    -            raise InvalidArgumentError("Invalid instance name: [{}]".format(instance_name))
    276 
    +            raise InvalidArgumentError(
    277 
    +                "Invalid instance name: [{}]".format(instance_name))

  • buildgrid/server/cas/storage/storage_abc.py
    ... ... @@ -22,7 +22,7 @@ The abstract base class for storage providers.
    22 22
    23 23 
     import abc
    24 24
    25 
    -from buildgrid._protos.build.bazel.remote.execution.v2.remote_execution_pb2 import Digest
    25 
    +from buildgrid._protos.build.bazel.remote.execution.v2.remote_execution_pb2 import Digest, Directory
    26 26 
     from buildgrid._protos.google.rpc.status_pb2 import Status
    27 27 
     from buildgrid._protos.google.rpc import code_pb2
    28 28
    ... ... @@ -92,7 +92,8 @@ class StorageABC(abc.ABC):
    92 92 
                         write_session.write(data)
    93 93 
                         self.commit_write(digest, write_session)
    94 94 
                     except IOError as ex:
    95 
    -                    result.append(Status(code=code_pb2.UNKNOWN, message=str(ex)))
    95 
    +                    result.append(
    96 
    +                        Status(code=code_pb2.UNKNOWN, message=str(ex)))
    96 97 
                     else:
    97 98 
                         result.append(Status(code=code_pb2.OK))
    98 99 
             return result
    ... ... @@ -100,7 +101,8 @@ class StorageABC(abc.ABC):
    100 101 
         def put_message(self, message):
    101 102 
             """Store the given Protobuf message in CAS, returning its digest."""
    102 103 
             message_blob = message.SerializeToString()
    103 
    -        digest = Digest(hash=HASH(message_blob).hexdigest(), size_bytes=len(message_blob))
    104 
    +        digest = Digest(hash=HASH(message_blob).hexdigest(),
    105 
    +                        size_bytes=len(message_blob))
    104 106 
             session = self.begin_write(digest)
    105 107 
             session.write(message_blob)
    106 108 
             self.commit_write(digest, session)

  • buildgrid/utils.py
    ... ... @@ -19,6 +19,9 @@ import os
    19 19 
     from buildgrid.settings import HASH
    20 20 
     from buildgrid._protos.build.bazel.remote.execution.v2 import remote_execution_pb2
    21 21
    22 
    +# Maximum number of elements per gRPC request:
    23 
    +MAX_REQUEST_COUNT = 500
    24 
    +
    22 25
    23 26 
     def create_digest(bytes_to_digest):
    24 27 
         """Computes the :obj:`Digest` of a piece of data.

  • setup.cfg
    ... ... @@ -16,4 +16,4 @@ pep8ignore =
    16 16 
         *_pb2_grpc.py ALL
    17 17 
     filterwarnings =
    18 18 
         ignore::DeprecationWarning
    19 
    -    ignore::PendingDeprecationWarning
    \ No newline at end of file
    19 
    +    ignore::PendingDeprecationWarning

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