Add script to detect flaky tests in testgrid.

Signed-off-by: Siyuan Zhang <sizhang@google.com>

tools/testgrid-analysis/cmd/github.go

@@ -0,0 +1,78 @@
+// Copyright 2024 The etcd Authors
+//
+// Licensed 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 cmd
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"strings"
+
+	"github.com/google/go-github/v60/github"
+)
+
+func createIssues(tests []*TestResultSummary, labels []string) {
+	openIssues := getOpenIssues(labels)
+	for _, t := range tests {
+		createIssueIfNonExist(tab, t, openIssues, append(labels, "help wanted"))
+	}
+}
+
+func getOpenIssues(labels []string) []*github.Issue {
+	client := github.NewClient(nil).WithAuthToken(os.Getenv("GITHUB_TOKEN"))
+	ctx := context.Background()
+	// list open issues with label type/flake
+	issueOpt := &github.IssueListByRepoOptions{
+		Labels:      labels,
+		ListOptions: github.ListOptions{PerPage: 100},
+	}
+	allIssues := []*github.Issue{}
+	for {
+		issues, resp, err := client.Issues.ListByRepo(ctx, githubOwner, githubRepo, issueOpt)
+		if err != nil {
+			panic(err)
+		}
+		allIssues = append(allIssues, issues...)
+		if resp.NextPage == 0 {
+			break
+		}
+		issueOpt.Page = resp.NextPage
+	}
+	fmt.Printf("There are %d issues open with label %v\n", len(allIssues), labels)
+	return allIssues
+}
+
+func createIssueIfNonExist(tab string, t *TestResultSummary, issues []*github.Issue, labels []string) {
+	// check if there is already an open issue regarding this test
+	for _, issue := range issues {
+		if strings.Contains(*issue.Title, t.Name) {
+			fmt.Printf("%s is already open for test %s\n\n", issue.GetHTMLURL(), t.Name)
+			return
+		}
+	}
+	fmt.Printf("Opening new issue for %s\n", t.Name)
+	client := github.NewClient(nil).WithAuthToken(os.Getenv("GITHUB_TOKEN"))
+	ctx := context.Background()
+	req := &github.IssueRequest{
+		Title:  github.String(fmt.Sprintf("Flaky test %s", t.Name)),
+		Body:   &t.IssueBody,
+		Labels: &labels,
+	}
+	issue, _, err := client.Issues.Create(ctx, githubOwner, githubRepo, req)
+	if err != nil {
+		panic(err)
+	}
+	fmt.Printf("New issue %s created for %s\n\n", issue.GetHTMLURL(), t.Name)
+}