| // 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 dataflowlib translates a Beam pipeline model to the |
| // Dataflow API job model, for submission to Google Cloud Dataflow. |
| package dataflowlib |
| |
| import ( |
| "context" |
| "encoding/json" |
| "os" |
| |
| "github.com/apache/beam/sdks/go/pkg/beam/core/util/protox" |
| "github.com/apache/beam/sdks/go/pkg/beam/log" |
| pb "github.com/apache/beam/sdks/go/pkg/beam/model/pipeline_v1" |
| "github.com/apache/beam/sdks/go/pkg/beam/runners/universal/runnerlib" |
| "github.com/golang/protobuf/proto" |
| df "google.golang.org/api/dataflow/v1b3" |
| ) |
| |
| // Execute submits a pipeline as a Dataflow job. |
| func Execute(ctx context.Context, raw *pb.Pipeline, opts *JobOptions, workerURL, jarURL, modelURL, endpoint string, async bool) (string, error) { |
| // (1) Upload Go binary to GCS. |
| |
| bin := opts.Worker |
| if bin == "" { |
| if self, ok := runnerlib.IsWorkerCompatibleBinary(); ok { |
| bin = self |
| log.Infof(ctx, "Using running binary as worker binary: '%v'", bin) |
| } else { |
| // Cross-compile as last resort. |
| |
| worker, err := runnerlib.BuildTempWorkerBinary(ctx) |
| if err != nil { |
| return "", err |
| } |
| defer os.Remove(worker) |
| |
| bin = worker |
| } |
| } else { |
| log.Infof(ctx, "Using specified worker binary: '%v'", bin) |
| } |
| |
| log.Infof(ctx, "Staging worker binary: %v", bin) |
| |
| if err := StageFile(ctx, opts.Project, workerURL, bin); err != nil { |
| return "", err |
| } |
| log.Infof(ctx, "Staged worker binary: %v", workerURL) |
| |
| if opts.WorkerJar != "" { |
| log.Infof(ctx, "Staging Dataflow worker jar: %v", opts.WorkerJar) |
| |
| if err := StageFile(ctx, opts.Project, jarURL, opts.WorkerJar); err != nil { |
| return "", err |
| } |
| log.Infof(ctx, "Staged worker jar: %v", jarURL) |
| } |
| |
| // (2) Fixup and upload model to GCS |
| |
| p, err := Fixup(raw) |
| if err != nil { |
| return "", err |
| } |
| log.Info(ctx, proto.MarshalTextString(p)) |
| |
| if err := StageModel(ctx, opts.Project, modelURL, protox.MustEncode(p)); err != nil { |
| return "", err |
| } |
| log.Infof(ctx, "Staged model pipeline: %v", modelURL) |
| |
| // (3) Translate to v1b3 and submit |
| |
| job, err := Translate(p, opts, workerURL, jarURL, modelURL) |
| if err != nil { |
| return "", err |
| } |
| PrintJob(ctx, job) |
| |
| client, err := NewClient(ctx, endpoint) |
| if err != nil { |
| return "", err |
| } |
| upd, err := Submit(ctx, client, opts.Project, opts.Region, job) |
| if err != nil { |
| return "", err |
| } |
| log.Infof(ctx, "Submitted job: %v", upd.Id) |
| if endpoint == "" { |
| log.Infof(ctx, "Console: https://console.cloud.google.com/dataflow/job/%v?project=%v", upd.Id, opts.Project) |
| } |
| log.Infof(ctx, "Logs: https://console.cloud.google.com/logs/viewer?project=%v&resource=dataflow_step%%2Fjob_id%%2F%v", opts.Project, upd.Id) |
| |
| if async { |
| return upd.Id, nil |
| } |
| |
| // (4) Wait for completion. |
| |
| return upd.Id, WaitForCompletion(ctx, client, opts.Project, opts.Region, upd.Id) |
| } |
| |
| // PrintJob logs the Dataflow job. |
| func PrintJob(ctx context.Context, job *df.Job) { |
| str, err := json.MarshalIndent(job, "", " ") |
| if err != nil { |
| log.Infof(ctx, "Failed to print job %v: %v", job.Id, err) |
| } |
| log.Info(ctx, string(str)) |
| } |