feat(helm): adding helm install feature

now we can ask bootstraper to install helm charts as "packages"

pkg/templater/packages.go

@@ -14,9 +14,22 @@ type SystemPackage struct {
 	Action       string `json:"action"`
 	OS           string `json:"os"`
 	Distribution string `json:"distribution"`
+	NameSpace    string `json:"namespace"`
+	Repository   string `json:"repository"`
+	URL          string `json:"url"`
 }
 
 func (p *SystemPackage) SetDistribution() error {
+
+	// If the package type is helm or kubectl we set distribution to k8s
+	if p.Type == "helm" || p.Type == "kubectl" {
+		p.Distribution = p.Type
+		if len(p.NameSpace) == 0 {
+			p.NameSpace = p.Name
+		}
+		return nil
+	}
+
 	OSConfig, err := utils.ReadOSRelease()
 	if err != nil {
 		return err
@@ -56,6 +69,12 @@ func (p *SystemPackage) Manage() error {
 		_, stdErr, pkErr = utils.RunSystemCommand("yum", "install", "-y", p.Name)
 	case "arch":
 		_, stdErr, pkErr = utils.RunSystemCommand("pacman", "-Suy", p.Name)
+	case "helm":
+		toInstall := fmt.Sprintf("%s/%s", p.Repository, p.Name)
+		nameSpaceOPT := fmt.Sprintf("--namespace=%s", p.NameSpace)
+		_, stdErr, pkErr = utils.RunSystemCommand("helm", "upgrade", "--install", p.Name, nameSpaceOPT, toInstall)
+	case "kubectl":
+		_, stdErr, pkErr = utils.RunSystemCommand("kubectl", "apply", p.URL)
 	default:
 		pkErr = fmt.Errorf("Unsupported OS %s [%s]", p.OS, stdErr)
 	}

pkg/templater/repo-helm.go

@@ -1,11 +1,54 @@
 package templater
 
+import (
+	"encoding/json"
+	"fmt"
+
+	"forge.cadoles.com/pcaseiro/templatefile/pkg/utils"
+)
+
 type HelmRepository struct {
 	Repository
 }
 
+func (hr *HelmRepository) repoExists() (bool, error) {
+	var repos []HelmRepository
+
+	stdOut, stdErr, err := utils.RunSystemCommand("helm", "repo", "list", "-o", "json")
+	if err != nil {
+		return false, fmt.Errorf("%s %v", stdErr, err)
+	}
+	err = json.Unmarshal(stdOut, &repos)
+	if err != nil {
+		return false, err
+	}
+
+	for _, repo := range repos {
+		if repo.Name == hr.Name {
+			return true, nil
+		}
+	}
+	return false, nil
+}
+
 func (hr *HelmRepository) Add() error {
+
+	repoExists, err := hr.repoExists()
+	if err != nil {
+		return err
+	}
+
+	if repoExists {
+		return nil
+	} else {
+		_, stdErr, err := utils.RunSystemCommand("helm", "repo", "add", hr.Name, hr.URL)
+		if err != nil {
+			return fmt.Errorf("%s %v", stdErr, err)
+		}
+	}
+
 	return nil
+
 }
 
 func (hr *HelmRepository) Update() error {