sigs.k8s.io/prow@v0.0.0-20240503223140-c5e374dc7eb1/pkg/pjutil/trigger.go (about)

     1  /*
     2  Copyright 2017 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 pjutil
    18  
    19  import (
    20  	"context"
    21  	"fmt"
    22  
    23  	"sigs.k8s.io/yaml"
    24  
    25  	"github.com/sirupsen/logrus"
    26  	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
    27  	"k8s.io/apimachinery/pkg/fields"
    28  	pjapi "sigs.k8s.io/prow/pkg/apis/prowjobs/v1"
    29  	prowv1 "sigs.k8s.io/prow/pkg/client/clientset/versioned/typed/prowjobs/v1"
    30  	prowconfig "sigs.k8s.io/prow/pkg/config"
    31  	prowflagutil "sigs.k8s.io/prow/pkg/flagutil"
    32  )
    33  
    34  func resultForJob(pjclient prowv1.ProwJobInterface, selector string) (*pjapi.ProwJobStatus, bool, error) {
    35  	w, err := pjclient.Watch(context.Background(), metav1.ListOptions{FieldSelector: selector})
    36  	if err != nil {
    37  		return nil, false, fmt.Errorf("failed to create watch for ProwJobs: %w", err)
    38  	}
    39  	for event := range w.ResultChan() {
    40  		prowJob, ok := event.Object.(*pjapi.ProwJob)
    41  		if !ok {
    42  			return nil, false, fmt.Errorf("received an unexpected object from Watch: object-type %s", fmt.Sprintf("%T", event.Object))
    43  		}
    44  
    45  		switch prowJob.Status.State {
    46  		case pjapi.FailureState, pjapi.AbortedState, pjapi.ErrorState, pjapi.SuccessState:
    47  			return &prowJob.Status, false, nil
    48  		}
    49  	}
    50  	return nil, true, nil
    51  }
    52  
    53  // TriggerAndWatchProwJob would trigger the job provided by the prowjob parameter
    54  func TriggerAndWatchProwJob(o prowflagutil.KubernetesOptions, prowjob *pjapi.ProwJob, config *prowconfig.Config, envVars map[string]string, dryRun bool) (succeeded bool, err error) {
    55  	logrus.Info("getting cluster config")
    56  	pjclient, err := o.ProwJobClient(config.ProwJobNamespace, dryRun)
    57  	if err != nil {
    58  		return false, fmt.Errorf("failed getting prowjob client: %w", err)
    59  	}
    60  
    61  	logrus.WithFields(ProwJobFields(prowjob)).Info("submitting a new prowjob")
    62  	created, err := pjclient.Create(context.Background(), prowjob, metav1.CreateOptions{})
    63  	if err != nil {
    64  		return false, fmt.Errorf("failed to submit the prowjob: %w", err)
    65  	}
    66  
    67  	logger := logrus.WithFields(ProwJobFields(created))
    68  	logger.Info("submitted the prowjob, waiting for its result")
    69  
    70  	selector := fields.SelectorFromSet(map[string]string{"metadata.name": created.Name})
    71  
    72  	var result *pjapi.ProwJobStatus
    73  	var shouldContinue bool
    74  	for {
    75  		result, shouldContinue, err = resultForJob(pjclient, selector.String())
    76  		if err != nil {
    77  			return false, fmt.Errorf("failed to watch job: %w", err)
    78  		}
    79  		if !shouldContinue {
    80  			break
    81  		}
    82  	}
    83  
    84  	if result.State != pjapi.SuccessState {
    85  		logrus.Error("job failed")
    86  	} else {
    87  		succeeded = true
    88  	}
    89  
    90  	b, err := yaml.Marshal(result)
    91  	if err != nil {
    92  		logrus.WithError(err).Error("failed to marshal prow job result")
    93  	}
    94  
    95  	fmt.Println(string(b))
    96  	return succeeded, nil
    97  }