/
execute.go
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/
execute.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 runnerlib
import (
"context"
"os"
"time"
"github.com/apache/beam/sdks/v2/go/pkg/beam/core/metrics"
"github.com/apache/beam/sdks/v2/go/pkg/beam/core/runtime/metricsx"
"github.com/apache/beam/sdks/v2/go/pkg/beam/internal/errors"
"github.com/apache/beam/sdks/v2/go/pkg/beam/log"
jobpb "github.com/apache/beam/sdks/v2/go/pkg/beam/model/jobmanagement_v1"
pipepb "github.com/apache/beam/sdks/v2/go/pkg/beam/model/pipeline_v1"
"github.com/apache/beam/sdks/v2/go/pkg/beam/util/grpcx"
)
// Execute executes a pipeline on the universal runner serving the given endpoint.
// Convenience function.
func Execute(ctx context.Context, p *pipepb.Pipeline, endpoint string, opt *JobOptions, async bool) (*universalPipelineResult, error) {
// (1) Prepare job to obtain artifact staging instructions.
presult := &universalPipelineResult{}
cc, err := grpcx.Dial(ctx, endpoint, 2*time.Minute)
if err != nil {
return presult, errors.WithContextf(err, "connecting to job service")
}
defer cc.Close()
client := jobpb.NewJobServiceClient(cc)
prepID, artifactEndpoint, st, err := Prepare(ctx, client, p, opt)
if err != nil {
return presult, err
}
log.Infof(ctx, "Prepared job with id: %v and staging token: %v", prepID, st)
// (2) Stage artifacts.
bin := opt.Worker
if bin == "" {
if self, ok := IsWorkerCompatibleBinary(); ok {
bin = self
log.Infof(ctx, "Using running binary as worker binary: '%v'", bin)
} else {
// Cross-compile as last resort.
worker, err := BuildTempWorkerBinary(ctx)
if err != nil {
return presult, err
}
defer os.Remove(worker)
bin = worker
}
} else {
log.Infof(ctx, "Using specified worker binary: '%v'", bin)
}
token, err := Stage(ctx, prepID, artifactEndpoint, bin, st)
if err != nil {
return presult, err
}
log.Infof(ctx, "Staged binary artifact with token: %v", token)
// (3) Submit job
jobID, err := Submit(ctx, client, prepID, token)
if err != nil {
return presult, err
}
log.Infof(ctx, "Submitted job: %v", jobID)
// (4) Wait for completion.
if async {
return presult, nil
}
err = WaitForCompletion(ctx, client, jobID)
res, presultErr := newUniversalPipelineResult(ctx, jobID, client)
if presultErr != nil {
if err != nil {
return presult, errors.Wrap(err, presultErr.Error())
}
return presult, presultErr
}
return res, err
}
type universalPipelineResult struct {
jobID string
metrics *metrics.Results
}
func newUniversalPipelineResult(ctx context.Context, jobID string, client jobpb.JobServiceClient) (*universalPipelineResult, error) {
request := &jobpb.GetJobMetricsRequest{JobId: jobID}
response, err := client.GetJobMetrics(ctx, request)
if err != nil {
return &universalPipelineResult{jobID, nil}, errors.Wrap(err, "failed to get metrics")
}
monitoredStates := response.GetMetrics()
metrics := metricsx.FromMonitoringInfos(monitoredStates.Attempted, monitoredStates.Committed)
return &universalPipelineResult{jobID, metrics}, nil
}
func (pr universalPipelineResult) Metrics() metrics.Results {
return *pr.metrics
}
func (pr universalPipelineResult) JobID() string {
return pr.jobID
}