add script to automate gopogh version update

go.mod

@@ -4,6 +4,7 @@ go 1.15
 
 require (
 	cloud.google.com/go/storage v1.10.0
+	contrib.go.opencensus.io/exporter/stackdriver v0.12.1
 	github.com/Azure/azure-sdk-for-go v42.3.0+incompatible
 	github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/trace v0.13.0
 	github.com/Microsoft/go-winio v0.4.15-0.20190919025122-fc70bd9a86b5 // indirect
@@ -75,6 +76,7 @@ require (
 	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
 	github.com/xeipuuv/gojsonschema v0.0.0-20180618132009-1d523034197f
 	github.com/zchee/go-vmnet v0.0.0-20161021174912-97ebf9174097
+	go.opencensus.io v0.22.4
 	go.opentelemetry.io/otel v0.13.0
 	go.opentelemetry.io/otel/sdk v0.13.0
 	golang.org/x/build v0.0.0-20190927031335-2835ba2e683f

hack/update/gopogh_version/update_gopogh_version.go

+/*
+Copyright 2020 The Kubernetes Authors All rights reserved.
+
+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.
+*/
+
+/*
+Script expects the following env variables:
+ - UPDATE_TARGET=<string>: optional - if unset/absent, default option is "fs"; valid options are:
+   - "fs"  - update only local filesystem repo files [default]
+   - "gh"  - update only remote GitHub repo files and create PR (if one does not exist already)
+   - "all" - update local and remote repo files and create PR (if one does not exist already)
+ - GITHUB_TOKEN=<string>: GitHub [personal] access token
+   - note: GITHUB_TOKEN is required if UPDATE_TARGET is "gh" or "all"
+*/
+
+package main
+
+import (
+	"context"
+	"time"
+
+	"golang.org/x/mod/semver"
+	"k8s.io/klog/v2"
+
+	"k8s.io/minikube/hack/update"
+)
+
+const (
+	// default context timeout
+	cxTimeout = 300 * time.Second
+)
+
+var (
+	schema = map[string]update.Item{
+		".github/workflows/iso.yml": {
+			Replace: map[string]string{
+				`(?U)https://github.com/medyagh/gopogh/releases/download/.*/gopogh`: `https://github.com/medyagh/gopogh/releases/download/{{.StableVersion}}/gopogh`,
+			},
+		},
+		".github/workflows/kic_image.yml": {
+			Replace: map[string]string{
+				`(?U)https://github.com/medyagh/gopogh/releases/download/.*/gopogh`: `https://github.com/medyagh/gopogh/releases/download/{{.StableVersion}}/gopogh`,
+			},
+		},
+		".github/workflows/master.yml": {
+			Replace: map[string]string{
+				`(?U)https://github.com/medyagh/gopogh/releases/download/.*/gopogh`: `https://github.com/medyagh/gopogh/releases/download/{{.StableVersion}}/gopogh`,
+			},
+		},
+		".github/workflows/pr.yml": {
+			Replace: map[string]string{
+				`(?U)https://github.com/medyagh/gopogh/releases/download/.*/gopogh`: `https://github.com/medyagh/gopogh/releases/download/{{.StableVersion}}/gopogh`,
+			},
+		},
+		"hack/jenkins/common.sh": {
+			Replace: map[string]string{
+				`(?U)https://github.com/medyagh/gopogh/releases/download/.*/gopogh`: `https://github.com/medyagh/gopogh/releases/download/{{.StableVersion}}/gopogh`,
+			},
+		},
+	}
+
+	// PR data
+	prBranchPrefix = "update-gopogh-version_" // will be appended with first 7 characters of the PR commit SHA
+	prTitle        = `update_gopogh_version: {stable: "{{.StableVersion}}"}`
+	prIssue        = 9850
+)
+
+// Data holds stable gopogh version in semver format.
+type Data struct {
+	StableVersion string `json:"stableVersion"`
+}
+
+func main() {
+	// set a context with defined timeout
+	ctx, cancel := context.WithTimeout(context.Background(), cxTimeout)
+	defer cancel()
+
+	// get gopogh stable version from https://github.com/medyagh/gopogh
+	stable, err := gopoghVersion(ctx, "medyagh", "gopogh")
+	if err != nil || stable == "" {
+		klog.Fatalf("Unable to get gopogh stable version: %v", err)
+	}
+	stable = "v1.2.3"
+	data := Data{StableVersion: stable}
+	klog.Infof("gopogh stable version: %s", data.StableVersion)
+
+	update.Apply(ctx, schema, data, prBranchPrefix, prTitle, prIssue)
+}
+
+// gopoghVersion returns gopogh stable version in semver format.
+func gopoghVersion(ctx context.Context, owner, repo string) (stable string, err error) {
+	// get Kubernetes versions from GitHub Releases
+	stable, _, err = update.GHReleases(ctx, owner, repo)
+	if err != nil || !semver.IsValid(stable) {
+		return "", err
+	}
+	return stable, nil
+}