github.com/abayer/test-infra@v0.0.5/prow/initupload/run.go (about)

     1  /*
     2  Copyright 2018 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package initupload
    18  
    19  import (
    20  	"bytes"
    21  	"encoding/json"
    22  	"errors"
    23  	"fmt"
    24  	"io/ioutil"
    25  	"time"
    26  
    27  	"k8s.io/test-infra/prow/pod-utils/clone"
    28  	"k8s.io/test-infra/prow/pod-utils/downwardapi"
    29  	"k8s.io/test-infra/prow/pod-utils/gcs"
    30  )
    31  
    32  func (o Options) Run() error {
    33  	spec, err := downwardapi.ResolveSpecFromEnv()
    34  	if err != nil {
    35  		return fmt.Errorf("could not resolve job spec: %v", err)
    36  	}
    37  
    38  	started := struct {
    39  		Timestamp int64 `json:"timestamp"`
    40  	}{
    41  		Timestamp: time.Now().Unix(),
    42  	}
    43  	startedData, err := json.Marshal(&started)
    44  	if err != nil {
    45  		return fmt.Errorf("could not marshal starting data: %v", err)
    46  	}
    47  	uploadTargets := map[string]gcs.UploadFunc{
    48  		"started.json": gcs.DataUpload(bytes.NewReader(startedData)),
    49  	}
    50  
    51  	var failed bool
    52  	if o.Log != "" {
    53  		if failed, err = processCloneLog(o.Log, uploadTargets); err != nil {
    54  			return err
    55  		}
    56  	}
    57  
    58  	if err := o.Options.Run(spec, uploadTargets); err != nil {
    59  		return fmt.Errorf("failed to upload to GCS: %v", err)
    60  	}
    61  
    62  	if failed {
    63  		return errors.New("cloning the appropriate refs failed")
    64  	}
    65  
    66  	return nil
    67  }
    68  
    69  func processCloneLog(logfile string, uploadTargets map[string]gcs.UploadFunc) (bool, error) {
    70  	var cloneRecords []clone.Record
    71  	data, err := ioutil.ReadFile(logfile)
    72  	if err != nil {
    73  		return true, fmt.Errorf("could not read clone log: %v", err)
    74  	}
    75  	if err = json.Unmarshal(data, &cloneRecords); err != nil {
    76  		return true, fmt.Errorf("could not unmarshal clone records: %v", err)
    77  	}
    78  	// Do not read from cloneLog directly.
    79  	// Instead create multiple readers from cloneLog so it can be uploaded to
    80  	// both clone-log.txt and build-log.txt on failure.
    81  	cloneLog := bytes.Buffer{}
    82  	failed := false
    83  	for _, record := range cloneRecords {
    84  		cloneLog.WriteString(clone.FormatRecord(record))
    85  		failed = failed || record.Failed
    86  	}
    87  	uploadTargets["clone-log.txt"] = gcs.DataUpload(bytes.NewReader(cloneLog.Bytes()))
    88  	uploadTargets["clone-records.json"] = gcs.FileUpload(logfile)
    89  
    90  	if failed {
    91  		uploadTargets["build-log.txt"] = gcs.DataUpload(bytes.NewReader(cloneLog.Bytes()))
    92  
    93  		finished := struct {
    94  			Timestamp int64  `json:"timestamp"`
    95  			Passed    bool   `json:"passed"`
    96  			Result    string `json:"result"`
    97  		}{
    98  			Timestamp: time.Now().Unix(),
    99  			Passed:    false,
   100  			Result:    "FAILURE",
   101  		}
   102  		finishedData, err := json.Marshal(&finished)
   103  		if err != nil {
   104  			return true, fmt.Errorf("could not marshal finishing data: %v", err)
   105  		}
   106  		uploadTargets["finished.json"] = gcs.DataUpload(bytes.NewReader(finishedData))
   107  	}
   108  	return failed, nil
   109  }