Add config generator and workflow

.github/workflows/generate-configmap.yaml

@@ -0,0 +1,21 @@
+name: Generate ConfigMap
+on: [push]
+
+jobs:
+  push:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup Go ${{ matrix.go-version }}
+        uses: actions/setup-go@v4
+        with:
+          go-version: '1.21.x'
+      - name: Build Generator
+        run: go build -o bin/generator ./generator/generator.go
+      - name: Generate ConfigMap
+        run: ./bin/generator
+      # Commit all changed files back to the repository
+      - uses: stefanzweifel/git-auto-commit-action@v4
+        id: auto_commit
+        with:
+          branch: main

generator/generator.go

@@ -0,0 +1,70 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+	"text/template"
+)
+
+type ConfigFile struct {
+	FileName string
+	Contents string
+	Lines    []string
+}
+
+func main() {
+	err := generateConfigMap()
+	if err != nil {
+		fmt.Printf("Error: %v\n", err)
+		return
+	}
+}
+func generateConfigMap() error {
+	rootPath := "servers"
+	pfx := len(rootPath) + 1
+	tpl := template.Must(template.ParseFiles("generator/templates/configmap.yaml"))
+
+	var configFiles []ConfigFile
+
+	err := filepath.Walk(rootPath, func(path string, info os.FileInfo, e1 error) error {
+		if !info.IsDir() && strings.HasSuffix(path, ".yaml") {
+			if e1 != nil {
+				return e1
+			}
+
+			file, err := os.Open(path)
+			if err != nil {
+				return err
+			}
+			fileScanner := bufio.NewScanner(file)
+			fileScanner.Split(bufio.ScanLines)
+
+			var lines []string
+
+			for fileScanner.Scan() {
+				lines = append(lines, fileScanner.Text())
+			}
+
+			name := path[pfx:]
+
+			configFiles = append(configFiles, ConfigFile{
+				FileName: name,
+				Lines:    lines,
+			})
+		}
+		return nil
+	})
+	if err != nil {
+		return err
+	}
+
+	f, err := os.OpenFile("manifest/configmap.yaml", os.O_WRONLY+os.O_TRUNC, os.ModeExclusive)
+	err = tpl.ExecuteTemplate(f, "configmap.yaml", configFiles)
+	if err != nil {
+		return err
+	}
+	return nil
+}

generator/templates/configmap.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: discord-bot-v3-config
+data:
+  {{- range . }}
+  {{.FileName}}: |
+  {{- range .Lines }}
+    {{ . }}
+  {{- end -}}
+  {{- end -}}