From fbbadce952696ba5ca3ac89de9120f63d69c1927 Mon Sep 17 00:00:00 2001
From: Philippe Caseiro <pcaseiro@cadoles.com>
Date: Thu, 30 Jun 2022 15:46:38 +0200
Subject: [PATCH] Try 07

---
 pkg/templater/services.go     | 17 ++++++++++----
 pkg/templater/system_users.go | 43 +++++++++++++++++++++++++++++++++++
 2 files changed, 56 insertions(+), 4 deletions(-)

diff --git a/pkg/templater/services.go b/pkg/templater/services.go
index bca11cb..5946b1d 100644
--- a/pkg/templater/services.go
+++ b/pkg/templater/services.go
@@ -44,14 +44,23 @@ func (s *Service) manageRepos(repos map[string]Repository) error {
 func (s *Service) Manage(templateDir string, rootDir string) error {
 
 	// Manage packages repositories
-	log.Printf("Managing package repositories")
+	log.Print("Managing package repositories")
 	err := s.manageRepos(s.Repos)
 	if err != nil {
 		return err
 	}
 
+	// Create system users
+	log.Print("Managing system users")
+	for _, user := range s.Users {
+		err := user.Manage()
+		if err != nil {
+			return err
+		}
+	}
+
 	// Manage system packages
-	log.Printf("Installing packages")
+	log.Print("Installing packages")
 	for _, pack := range s.Packages {
 		err := pack.Manage()
 		if err != nil {
@@ -60,13 +69,13 @@ func (s *Service) Manage(templateDir string, rootDir string) error {
 		log.Printf("\tPackage %s installed\n", pack.Name)
 	}
 
-	log.Printf("Generating configuration files\n")
+	log.Print("Generating configuration files\n")
 	err = processConfigFiles(s.ConfigFiles, s.Vars, templateDir, rootDir)
 	if err != nil {
 		return fmt.Errorf("ProcessingTemplatesFailed with error: %v", err)
 	}
 
-	log.Printf("Managing services:\n")
+	log.Print("Managing services:\n")
 	for _, daemon := range s.Daemons {
 		err = daemon.Manage()
 		if err != nil {
diff --git a/pkg/templater/system_users.go b/pkg/templater/system_users.go
index 9bcbd37..bd870a9 100644
--- a/pkg/templater/system_users.go
+++ b/pkg/templater/system_users.go
@@ -1,8 +1,51 @@
 package templater
 
+import (
+	"log"
+
+	"forge.cadoles.com/pcaseiro/templatefile/pkg/utils"
+)
+
 type SystemUser struct {
 	UserName string `json:"username"`
 	Group    string `json:"group"`
 	Home     string `json:"home"`
 	Shell    string `json:"shell"`
 }
+
+func (su *SystemUser) exists() (bool, error) {
+	_, _, err := utils.RunSystemCommand("getent", "passwd", su.UserName)
+	if err != nil {
+		return false, err
+	}
+	return true, nil
+}
+
+func (su *SystemUser) Manage() error {
+	exist, _ := su.exists()
+	if exist {
+		log.Printf("\tUser %s already exists", su.UserName)
+		return nil
+	}
+	return su.Create()
+}
+
+func (su *SystemUser) Create() error {
+	_, _, err := utils.RunSystemCommand("useradd", "-b", su.Home, "-m", "-G", su.Group, su.UserName)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func (su *SystemUser) Delete() error {
+	_, _, err := utils.RunSystemCommand("userdel", su.UserName)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func (su *SystemUser) Update() error {
+	return nil
+}