64 lines
3.3 KiB
Python
64 lines
3.3 KiB
Python
# implementation Conainer methods
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from frostfs_sdk.client.models.client_environment import ClientEnvironment
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from frostfs_sdk.client.services.context_accessor import ContextAccessor
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from frostfs_sdk.client.services.session import SessionClient
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from frostfs_sdk.client.parameters.container_param import ContainerCreateParam
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from frostfs_sdk.client.parameters.call_context_param import CallContextParam
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from frostfs_sdk.client.utils.session_cache import SessionToken
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from frostfs_sdk.client.utils.request_constructor import RequestConstructor
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from frostfs_sdk.cryptography.signer import Signer
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from frostfs_sdk.models.dto.container import ContainerId, Container
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from frostfs_sdk.models.mappers.container_mapper import ContainerMapper
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from frostfs_sdk.models.mappers.owner_id_mapper import OwnerIdMapper
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from frostfs_sdk.models.mappers.version_mapper import VersionMapper
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from frostfs_sdk.client.parameters.create_session_param import CreateSessionParam
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from frostfs_sdk.protos.models.container import service_pb2 as service_pb2_container
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from frostfs_sdk.protos.models.container import service_pb2_grpc as service_pb2_grpc_container
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class ContainerClient(ContextAccessor):
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def __init__(self, client_environment: ClientEnvironment):
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super().__init__(client_environment)
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self.container_stub = service_pb2_grpc_container.ContainerServiceStub(client_environment.channel)
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self.ecdsa = client_environment.ecdsa
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def create_container(self, container_create_param: ContainerCreateParam, ctx: CallContextParam) -> ContainerId:
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request = self._create_put_request(container_create_param, ctx)
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response: service_pb2_container.PutResponse = self.container_stub.Put(request)
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return ContainerId(value=response.body.container_id.value)
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def _create_put_request(self, param: ContainerCreateParam, ctx: CallContextParam) -> service_pb2_container.PutRequest:
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"""
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Creates a PUT request for creating a container.
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"""
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grpc_container=ContainerMapper().to_grpc_message(param.container, self.get_context)
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body = service_pb2_container.PutRequest.Body(
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container=grpc_container,
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signature=Signer.sign_message_rfc_6979(self.get_context.ecdsa, grpc_container)
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)
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request = service_pb2_container.PutRequest(body=body)
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session_token = self.get_or_create_session(param.session_token, ctx)
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proto_token = session_token
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RequestConstructor.add_meta_header(request, param.x_headers, proto_token)
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signed_request = Signer.sign(self.ecdsa.private_key, request)
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return signed_request
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def get_or_create_session(self, session_ctx: SessionToken, ctx: CallContextParam) -> bytes:
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if session_ctx:
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return session_ctx.token
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session_token_from_cache = self.get_context.session_cache.try_get_value(self.get_context.get_session_key())
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if session_token_from_cache:
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return session_token_from_cache.token
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new_session_token = SessionClient(self.get_context).create_session(CreateSessionParam(expiration=-1), ctx)
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if new_session_token:
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self.get_context.session_cache.set_value(self.get_context.get_session_key(), new_session_token)
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return new_session_token.token
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raise ValueError("cannot create session")
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