add support for roles removal

README.md

@@ -8,7 +8,7 @@
 * [What's the catch?](#whats-the-catch)
     * [only git repos are supported](#only-git-repos-are-supported)
     * [only roles are supported](#only-roles-are-supported)
-    * [only list/update/install operations are supported](#only-listupdateinstall-operations-are-supported)
+    * [only list/update/install/remove operations are supported](#only-listupdateinstallremove-operations-are-supported)
 * [Where to get?](#where-to-get)
     * [Binaries and distro-specific packages](#binaries-and-distro-specific-packages)
     * [Build yourself](#build-yourself)
@@ -34,9 +34,11 @@ Because `ansible-galaxy` is slow, **very** slow. And irrational. And miss some f
 
 ## How?
 
-```
+```bash
 Usage of agru:
   -c	cleanup temporary files (default true)
+  -d string
+    	delete installed role, all other flags are ignored
   -i	install missing roles (default true)
   -l	list installed roles
   -p string
@@ -47,6 +49,30 @@ Usage of agru:
   -v	verbose output
 ```
 
+**list installed roles**
+
+```bash
+$ agru -l
+```
+
+**install role from the requirements file**
+
+```bash
+$ agru
+```
+
+**update requirements file if newer versions are available**
+
+```bash
+$ agru -u
+```
+
+**remove already installed role**
+
+```bash
+$ agru -d traefik
+```
+
 ## What's the catch?
 
 Do you think A.G.R.U. is too good to be true? Well, it's true, but it has limitations:
@@ -71,10 +97,9 @@ does **not** work:
 
 No collections at this moment, at all.
 
-### only list/update/install operations are supported
+### only list/update/install/remove operations are supported
 
-No role upload to galaxy, no role removal from galaxy.
-In fact, galaxy API is not used at all, thus no API-related actions are supported
+Ansible Galaxy API is not used at all, thus no API-related actions are supported
 
 ## Where to get?
 

cmd/agru/main.go

@@ -3,6 +3,8 @@ package main
 import (
 	"flag"
 	"fmt"
+	"os"
+	"path"
 
 	"gitlab.com/etke.cc/int/agru/internal/parser"
 	"gitlab.com/etke.cc/int/agru/internal/utils"
@@ -13,6 +15,7 @@ var (
 	requirementsPath       string
 	updateRequirementsFile bool
 	listInstalled          bool
+	deleteInstalled        string
 	installMissing         bool
 	verbose                bool
 	cleanup                bool
@@ -21,6 +24,7 @@ var (
 func main() {
 	flag.StringVar(&requirementsPath, "r", "requirements.yml", "ansible-galaxy requirements file")
 	flag.StringVar(&rolesPath, "p", "roles/galaxy/", "path to install roles")
+	flag.StringVar(&deleteInstalled, "d", "", "delete installed role, all other flags are ignored")
 	flag.BoolVar(&listInstalled, "l", false, "list installed roles")
 	flag.BoolVar(&installMissing, "i", true, "install missing roles")
 	flag.BoolVar(&updateRequirementsFile, "u", false, "update requirements file if newer versions are available")
@@ -33,16 +37,34 @@ func main() {
 	utils.Log(fmt.Sprintf("\033[1ma\033[0mnsible-\033[1mg\033[0malaxy \033[1mr\033[0mequirements.yml \033[1mu\033[0mpdater (list=%t update=%t cleanup=%t verbose=%t)", listInstalled, updateRequirementsFile, cleanup, verbose))
 	utils.Log("parsing", requirementsPath)
 	entries, installOnly := parser.ParseFile(requirementsPath)
-	if updateRequirementsFile {
-		utils.Log("updating", requirementsPath)
-		parser.UpdateFile(entries, requirementsPath)
+
+	if deleteInstalled != "" {
+		installed := parser.GetInstalledRoles(rolesPath, parser.MergeFiles(entries, installOnly))
+		for _, entry := range installed {
+			if entry.GetName() == deleteInstalled {
+				utils.Log("deleting", entry.GetName())
+				if err := os.RemoveAll(path.Join(rolesPath, entry.GetName())); err != nil {
+					utils.Log("ERROR: cannot delete role:", err)
+				}
+				utils.Log("done")
+				return
+			}
+		}
+		utils.Log("role", deleteInstalled, "not found")
+		return
 	}
 
 	if listInstalled {
 		installed := parser.GetInstalledRoles(rolesPath, parser.MergeFiles(entries, installOnly))
 		for _, entry := range installed {
 			fmt.Println("-", entry.GetName()+",", entry.GetInstallInfo(rolesPath).Version)
 		}
+		return
+	}
+
+	if updateRequirementsFile {
+		utils.Log("updating", requirementsPath)
+		parser.UpdateFile(entries, requirementsPath)
 	}
 
 	if installMissing {