Add repo sync and some small refactoring

cmd/apply.go

@@ -116,7 +116,7 @@ func applyAppGroup(group string, namespace string, outputDir string, appFilter s
 var applyCmd = &cobra.Command{
 	Use:   "apply",
 	Short: "Apply resources to k8s",
-	Args:  cobra.MinimumNArgs(1),
+	Args:  cobra.ExactArgs(1),
 	RunE: func(cmd *cobra.Command, args []string) error {
 
 		namespace, _ := cmd.Flags().GetString("namespace")

cmd/applyNamespace.go

@@ -28,7 +28,7 @@ import (
 var namespaceCmd = &cobra.Command{
 	Use:   "apply-namespace",
 	Short: "Namespace apply",
-	Args:  cobra.MinimumNArgs(1),
+	Args:  cobra.ExactArgs(1),
 	RunE: func(cmd *cobra.Command, args []string) error {
 		lint, _ := cmd.Flags().GetBool("lint")
 

cmd/delete.go

@@ -41,7 +41,7 @@ func deleteAppGroup(group string, namespace string, appFilter string) error {
 var deleteCmd = &cobra.Command{
 	Use:   "delete",
 	Short: "Delete app group or app",
-	Args:  cobra.MinimumNArgs(1),
+	Args:  cobra.ExactArgs(1),
 	RunE: func(cmd *cobra.Command, args []string) error {
 		group := args[0]
 

cmd/deleteNamespace.go

@@ -28,7 +28,7 @@ import (
 var deleteNamespaceCmd = &cobra.Command{
 	Use:   "delete-namespace",
 	Short: "Namespace apply",
-	Args:  cobra.MinimumNArgs(1),
+	Args:  cobra.ExactArgs(1),
 	RunE: func(cmd *cobra.Command, args []string) error {
 		appFilter, _ := cmd.Flags().GetString("app")
 

cmd/syncRepos.go

@@ -0,0 +1,41 @@
+/*
+Copyright © 2020  Artyom Topchyan [email protected]
+
+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 (
+	"github.com/spf13/cobra"
+)
+
+// syncReposCmd represents the delete command
+var syncReposCmd = &cobra.Command{
+	Use:   "sync-repos",
+	Short: "Sync repositories listed in a state file, primarily useful for Helmfile",
+	Args:  cobra.ExactArgs(1),
+	RunE: func(cmd *cobra.Command, args []string) error {
+
+		err := templateEngine.SyncRepos(args[0])
+		if err != nil {
+			return err
+		}
+
+		return nil
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(syncReposCmd)
+
+}

pkg/template/helmfile.go

@@ -33,6 +33,7 @@ func NewHelmFileEngine(Opts Opts, log logr.Logger) *HelmFileEngine {
 }
 
 func (e *HelmFileEngine) Template(name string, inputFilePath string, outputFilePath string) error {
+
 	inputArgs := append([]string{"--environment", e.Opts.Environment,
 		"--file", inputFilePath, "--state-values-set", fmt.Sprintf("app=%s", name),
 		"template", "--output-dir", outputFilePath}, e.Opts.ExtraArgs...)
@@ -69,3 +70,21 @@ func (e *HelmFileEngine) Lint(name string, inputFilePath string) error {
 
 	return nil
 }
+
+func (e *HelmFileEngine) SyncRepos(file string) error {
+
+	inputArgs := append([]string{"-f", file, "repos"}, e.Opts.ExtraArgs...)
+
+	cmd := exec.Command("helmfile", inputArgs...)
+
+	print := func(in string) {
+		e.log.Info(in)
+	}
+
+	err := utils.ExecWithOutput(cmd, print, print)
+
+	if err != nil {
+		return err
+	}
+	return nil
+}

pkg/template/interfaces.go

@@ -22,6 +22,7 @@ const (
 type TemplateEngine interface {
 	Template(name string, inputFilePath string, outputFilePath string) error
 	Lint(name string, inputFilePath string) error
+	SyncRepos(file string) error
 }
 
 type Opts struct {

pkg/template/kontemplate.go

@@ -51,3 +51,7 @@ func (e *KontemplateEngine) Lint(name string, inputFilePath string) error {
 
 	return nil
 }
+
+func (e *KontemplateEngine) SyncRepos(file string) error {
+	return nil
+}

pkg/utils/stringUtils.go

@@ -36,7 +36,11 @@ func ConcatDirs(strs ...string) string {
 	return filepath.Clean(sb.String())
 
 }
-func GetNamespaceDir(namespace string) string {
+
+func GetRealmeDir() string {
 	dir, _ := os.Getwd()
-	return ConcatDirs(dir, "realm", "namespaces", namespace)
+	return ConcatDirs(dir, "realm")
+}
+func GetNamespaceDir(namespace string) string {
+	return ConcatDirs(GetRealmeDir(), "namespaces", namespace)
 }

realm/namespaces/_defaults.yaml

@@ -0,0 +1,8 @@
+repositories:
+# To use official "stable" charts a.k.a https://github.com/helm/charts/tree/master/stable
+- name: stable
+  url: https://kubernetes-charts.storage.googleapis.com
+
+releases:
+  - name: dummy
+    chart: stable/raw