wip: Add support for secrets

internal/utils/kustomize/kustomize.go

@@ -1,11 +1,15 @@
 package kustomize
 
 import (
+	"bytes"
+	"errors"
 	"fmt"
+	"html/template"
 	"os"
 	"path/filepath"
 
 	"git.badhouseplants.net/allanger/shoebill/internal/utils/githelper"
+	"github.com/sirupsen/logrus"
 	kustomize_types "sigs.k8s.io/kustomize/api/types"
 	"sigs.k8s.io/yaml"
 )
@@ -13,6 +17,7 @@ import (
 type Kusmtomize struct {
 	Files      []string
 	ConfigMaps []string
+	Secrets    []string
 }
 
 func (k *Kusmtomize) PopulateResources(path string) error {
@@ -35,6 +40,57 @@ func (k *Kusmtomize) PopulateResources(path string) error {
 	for _, file := range files {
 		k.ConfigMaps = append(k.ConfigMaps, fmt.Sprintf("src/values/%s", file.Name()))
 	}
+
+	// Secrets
+	files, err = os.ReadDir(fmt.Sprintf("%s/src/secrets", path))
+	if err != nil {
+		return err
+	}
+
+	for _, file := range files {
+		k.Secrets = append(k.Secrets, fmt.Sprintf("src/secrets/%s", file.Name()))
+	}
+
+	return nil
+}
+
+func (k *Kusmtomize) SecGeneratorCreate(path string) error {
+	logrus.Info("preparing the secret generator file")
+	genFileTmpl := `---
+apiVersion: viaduct.ai/v1
+kind: ksops
+metadata:
+  name: shoebill-secret-gen
+files:
+{{- range $val := . }}
+  - {{ $val }}
+{{- end }}
+`
+
+	destFileName := fmt.Sprintf("%s/sec-generator.yaml", path)
+	t := template.Must(template.New("tmpl").Parse(genFileTmpl))
+	var genFileData bytes.Buffer
+	t.Execute(&genFileData, k.Secrets)
+	var genFile *os.File
+	if _, err := os.Stat(destFileName); err == nil {
+		genFile, err := os.Open(destFileName)
+		if err != nil {
+			return err
+		}
+		defer genFile.Close()
+	} else if errors.Is(err, os.ErrNotExist) {
+		genFile, err = os.Create(destFileName)
+		if err != nil {
+			return nil
+		}
+		defer genFile.Close()
+	} else {
+		return err
+	}
+	if err := os.WriteFile(destFileName, genFileData.Bytes(), os.ModeExclusive); err != nil {
+		return nil
+	}
+
 	return nil
 }
 
@@ -53,6 +109,7 @@ func (k *Kusmtomize) CmGeneratorFromFiles() []kustomize_types.ConfigMapArgs {
 		}
 		cmGens = append(cmGens, *cmGen)
 	}
+
 	return cmGens
 }
 
@@ -77,6 +134,13 @@ func Generate(path string, gh githelper.Githelper) error {
 		},
 		ConfigMapGenerator: kustomize.CmGeneratorFromFiles(),
 	}
+	if len(kustomize.Secrets) > 0 {
+		kustomization.Generators = []string{"sec-generator.yaml"}
+		if err := kustomize.SecGeneratorCreate(path); err != nil {
+			return err
+		}
+
+	}
 	manifest, err := yaml.Marshal(kustomization)
 	if err != nil {
 		return err