Rework mage (#10417)

magefiles/utils/releasenote.go

@@ -0,0 +1,91 @@
+/*
+Copyright 2023 The Kubernetes 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 utils
+
+import (
+	"fmt"
+	"os"
+	"text/template"
+)
+
+// ReleaseNote - All the pieces of information/documents that get updated during a release
+type ReleaseNote struct {
+	Version                   string
+	NewControllerVersion      string
+	PreviousControllerVersion string
+	ControllerImages          []ControllerImage
+	DepUpdates                []string
+	Updates                   []string
+	HelmUpdates               []string
+	NewHelmChartVersion       string
+	PreviousHelmChartVersion  string
+}
+
+func (r ReleaseNote) Template() {
+	// Files are provided as a slice of strings.
+	changelogTemplate, err := os.ReadFile("Changelog.md.gotmpl")
+	if err != nil {
+		ErrorF("Could not read changelog template file %s", err)
+	}
+	Debug("ChangeLog Templates %s", string(changelogTemplate))
+	t := template.Must(template.New("changelog").Parse(string(changelogTemplate)))
+	// create a new file
+	file, err := os.Create(fmt.Sprintf("changelog/Changelog-%s.md", r.Version))
+	if err != nil {
+		ErrorF("Could not create changelog file %s", err)
+	}
+	defer file.Close()
+
+	err = t.Execute(file, r)
+	if err != nil {
+		ErrorF("executing template: %s", err)
+	}
+}
+
+func (r ReleaseNote) HelmTemplate() {
+	// Files are provided as a slice of strings.
+	changelogTemplate, err := os.ReadFile("charts/ingress-nginx/changelog.md.gotmpl")
+	if err != nil {
+		ErrorF("Could not read changelog template file %s", err)
+	}
+	Debug("ChangeLog Templates %s", string(changelogTemplate))
+	t := template.Must(template.New("changelog").Parse(string(changelogTemplate)))
+	// create a new file
+	file, err := os.Create(fmt.Sprintf("charts/ingress-nginx/changelog/Changelog-%s.md", r.NewHelmChartVersion))
+	if err != nil {
+		ErrorF("Could not create changelog file %s", err)
+	}
+	defer file.Close()
+
+	err = t.Execute(file, r)
+	if err != nil {
+		ErrorF("executing template: %s", err)
+	}
+}
+
+func (r ReleaseNote) PrintRelease() {
+	Info("Release Version: %v", r.NewControllerVersion)
+	Info("Previous Version: %v", r.PreviousControllerVersion)
+	Info("Controller Image: %v", r.ControllerImages[0].print())
+	Info("Controller Chroot Image: %v", r.ControllerImages[1].print())
+	for i := range r.Updates {
+		Info("Update #%v - %v", i, r.Updates[i])
+	}
+	for j := range r.DepUpdates {
+		Info("Dependabot Update #%v - %v", j, r.DepUpdates[j])
+	}
+}