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artifact.go
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artifact.go
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// Licensed to the Apache Software Foundation (ASF) under one or more
// contributor license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright ownership.
// The ASF licenses this file to You under the Apache License, Version 2.0
// (the "License"); you may not use this file except in compliance with
// the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package jobservices
import (
"fmt"
"io"
jobpb "github.com/apache/beam/sdks/v2/go/pkg/beam/model/jobmanagement_v1"
"golang.org/x/exp/slog"
)
func (s *Server) ReverseArtifactRetrievalService(stream jobpb.ArtifactStagingService_ReverseArtifactRetrievalServiceServer) error {
in, err := stream.Recv()
if err == io.EOF {
return nil
}
if err != nil {
return err
}
job := s.jobs[in.GetStagingToken()]
envs := job.Pipeline.GetComponents().GetEnvironments()
for _, env := range envs {
for _, dep := range env.GetDependencies() {
slog.Debug("GetArtifact start",
slog.Group("dep",
slog.String("urn", dep.GetTypeUrn()),
slog.String("payload", string(dep.GetTypePayload()))))
stream.Send(&jobpb.ArtifactRequestWrapper{
Request: &jobpb.ArtifactRequestWrapper_GetArtifact{
GetArtifact: &jobpb.GetArtifactRequest{
Artifact: dep,
},
},
})
var count int
for {
in, err := stream.Recv()
if err == io.EOF {
return nil
}
if err != nil {
return err
}
if in.IsLast {
slog.Debug("GetArtifact finish",
slog.Group("dep",
slog.String("urn", dep.GetTypeUrn()),
slog.String("payload", string(dep.GetTypePayload()))),
slog.Int("bytesReceived", count))
break
}
// Here's where we go through each environment's artifacts.
// We do nothing with them.
switch req := in.GetResponse().(type) {
case *jobpb.ArtifactResponseWrapper_GetArtifactResponse:
count += len(req.GetArtifactResponse.GetData())
case *jobpb.ArtifactResponseWrapper_ResolveArtifactResponse:
err := fmt.Errorf("unexpected ResolveArtifactResponse to GetArtifact: %v", in.GetResponse())
slog.Error("GetArtifact failure", err)
return err
}
}
}
}
return nil
}