github.com/shashidharatd/test-infra@v0.0.0-20171006011030-71304e1ca560/prow/plugins/close/close.go (about)

     1  /*
     2  Copyright 2016 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 close
    18  
    19  import (
    20  	"fmt"
    21  	"regexp"
    22  
    23  	"github.com/sirupsen/logrus"
    24  
    25  	"k8s.io/test-infra/prow/github"
    26  	"k8s.io/test-infra/prow/plugins"
    27  )
    28  
    29  const pluginName = "close"
    30  
    31  var closeRe = regexp.MustCompile(`(?mi)^/close\s*$`)
    32  
    33  func init() {
    34  	plugins.RegisterGenericCommentHandler(pluginName, handleGenericComment)
    35  }
    36  
    37  type githubClient interface {
    38  	CreateComment(owner, repo string, number int, comment string) error
    39  	CloseIssue(owner, repo string, number int) error
    40  	ClosePR(owner, repo string, number int) error
    41  	IsMember(owner, login string) (bool, error)
    42  	AssignIssue(owner, repo string, number int, assignees []string) error
    43  }
    44  
    45  func handleGenericComment(pc plugins.PluginClient, e github.GenericCommentEvent) error {
    46  	return handle(pc.GitHubClient, pc.Logger, &e)
    47  }
    48  
    49  func handle(gc githubClient, log *logrus.Entry, e *github.GenericCommentEvent) error {
    50  	// Only consider open issues and new comments.
    51  	if e.IssueState != "open" || e.Action != github.GenericCommentActionCreated {
    52  		return nil
    53  	}
    54  
    55  	if !closeRe.MatchString(e.Body) {
    56  		return nil
    57  	}
    58  
    59  	org := e.Repo.Owner.Login
    60  	repo := e.Repo.Name
    61  	number := e.Number
    62  	commentAuthor := e.User.Login
    63  
    64  	// Allow assignees and authors to close issues.
    65  	isAssignee := false
    66  	for _, assignee := range e.Assignees {
    67  		if commentAuthor == assignee.Login {
    68  			isAssignee = true
    69  			break
    70  		}
    71  	}
    72  	if e.IssueAuthor.Login != commentAuthor && !isAssignee {
    73  		log.Infof("Assigning %s/%s#%d to %s", org, repo, number, commentAuthor)
    74  		if err := gc.AssignIssue(org, repo, number, []string{commentAuthor}); err != nil {
    75  			msg := "Assigning you to the issue failed."
    76  			if ok, merr := gc.IsMember(org, commentAuthor); merr == nil && !ok {
    77  				msg = "Only kubernetes org members may be assigned issues."
    78  			} else if merr != nil {
    79  				log.WithError(merr).Errorf("Failed IsMember(%s, %s)", org, commentAuthor)
    80  			} else {
    81  				log.WithError(err).Errorf("Failed AssignIssue(%s, %s, %d, %s)", org, repo, number, commentAuthor)
    82  			}
    83  			resp := fmt.Sprintf("you can't close an issue unless you authored it or you are assigned to it, %s.", msg)
    84  			log.Infof("Commenting \"%s\".", resp)
    85  			return gc.CreateComment(org, repo, number, plugins.FormatResponseRaw(e.Body, e.HTMLURL, commentAuthor, resp))
    86  		}
    87  	}
    88  
    89  	if e.IsPR {
    90  		log.Info("Closing PR.")
    91  		return gc.ClosePR(org, repo, number)
    92  	}
    93  
    94  	log.Info("Closing issue.")
    95  	return gc.CloseIssue(org, repo, number)
    96  }