Added delete functionality

daemon.go

@@ -45,6 +45,7 @@ func StartDaemon(cfg *AppConfig, configPath string) error {
 	mux.HandleFunc("/instances/command", ds.handleCommand)
 	mux.HandleFunc("/instances/list", ds.handleList)
 	mux.HandleFunc("/instances/logs", ds.handleGetLogs)
+	mux.HandleFunc("/instances/delete", ds.handleDelete)
 
 	corsWrappedHandler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		w.Header().Set("Access-Control-Allow-Origin", "*")
@@ -389,3 +390,75 @@ func (ds *DaemonServer) handleGetLogs(w http.ResponseWriter, r *http.Request) {
 		http.Error(w, fmt.Sprintf("Failed encoding log matrix: %v", err), http.StatusInternalServerError)
 	}
 }
+
+func (ds *DaemonServer) handleDelete(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodPost {
+		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
+		return
+	}
+
+	name := r.URL.Query().Get("name")
+	if name == "" {
+		http.Error(w, "Missing name parameter", http.StatusBadRequest)
+		return
+	}
+
+	purge := false
+	purgeParam := r.URL.Query().Get("purge")
+	if purgeParam != "" {
+		result, err := strconv.ParseBool(purgeParam)
+		if err != nil {
+			http.Error(w, "Invalid value for 'purge' parameter", http.StatusBadRequest)
+			return
+		}
+		purge = result
+	}
+
+	if ds.reloadConfig() != nil {
+		http.Error(w, "Could not reload config", http.StatusInternalServerError)
+		return
+	}
+
+	ds.Lock()
+	defer ds.Unlock()
+
+	ds.procManager.RLock()
+	defer ds.procManager.RUnlock()
+
+	_, exists := ds.cfg.Instances[name]
+	if !exists {
+		http.Error(w, fmt.Sprintf("Cannot delete instance '%s'; Does not exist.", name), http.StatusBadRequest)
+		return
+	}
+
+	if _, running := ds.procManager.ActiveInstances[name]; running {
+		http.Error(w, fmt.Sprintf("Cannot delete instance '%s'; It is currently running.", name), http.StatusBadRequest)
+		return
+	}
+
+	delete(ds.cfg.Instances, name)
+
+	data, err := json.MarshalIndent(ds.cfg, "", "  ")
+	if err != nil {
+		http.Error(w, fmt.Sprintf("Failed processing profile adjustments: %v", err), http.StatusInternalServerError)
+		return
+	}
+
+	if err := os.WriteFile(ds.configPath, data, 0644); err != nil {
+		http.Error(w, fmt.Sprintf("Failed saving configuration adjustments to disk: %v", err), http.StatusInternalServerError)
+		return
+	}
+
+	if purge {
+		path := filepath.Join(ds.cfg.Storage.InstancesDir, name)
+		err := os.RemoveAll(path)
+		if err != nil {
+			http.Error(w, fmt.Sprintf("Failed to delete instance from disk: %v", err), http.StatusInternalServerError)
+			return
+		}
+	}
+
+	w.WriteHeader(http.StatusOK)
+	fmt.Fprintf(w, "Successfully deleted instance %s", name)
+
+}