Initial code commit

utilities.go

@@ -0,0 +1,53 @@
+package main
+
+import (
+	"os"
+	"os/exec"
+	"os/user"
+	"strconv"
+
+	"github.com/rwinkhart/go-boilerplate/front"
+	"github.com/rwinkhart/go-boilerplate/other"
+)
+
+func manageService(action, service string) {
+	cmd := exec.Command("systemctl", "daemon-reload")
+	err := cmd.Run()
+	if err != nil {
+		other.PrintError("Failed to perform daemon-reload", 1)
+	}
+	cmd = exec.Command("systemctl", action, service)
+	err = cmd.Run()
+	if err != nil {
+		other.PrintError("Failed to "+action+" "+service, 1)
+	}
+}
+
+func writeFile(path, data, owner string, perms os.FileMode) {
+	err := os.WriteFile(path, []byte(data), perms)
+	if err != nil {
+		other.PrintError("Failed to write to "+path, 1)
+	}
+	if owner != "root" {
+		userInfo, err := user.Lookup(owner)
+		if err != nil {
+			other.PrintError("Failed to lookup UID for "+owner, 1)
+		}
+		uid, err := strconv.Atoi(userInfo.Uid)
+		if err != nil {
+			other.PrintError("Failed to convert UID to integer", 1)
+		}
+		err = os.Chown(path, uid, uid)
+		if err != nil {
+			other.PrintError("Failed to set ownership of "+path, 1)
+		}
+	}
+}
+
+func getUsername() string {
+	if username == "" {
+		username = front.Input("Non-root username:")
+	}
+	localUsername := username
+	return localUsername
+}