Makefile and agent start.

agent/api/api.go

@@ -0,0 +1,78 @@
+package api
+
+import (
+	"encoding/json"
+	"io"
+	"log"
+	"net/http"
+
+	"kattila-agent/config"
+	"kattila-agent/network"
+)
+
+var handleRelay func(body []byte) error
+
+func StartServer(relayHandler func([]byte) error) {
+	handleRelay = relayHandler
+
+	http.HandleFunc("/status/healthcheck", func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		json.NewEncoder(w).Encode(map[string]string{"status": "ok"})
+	})
+
+	http.HandleFunc("/status/reset", func(w http.ResponseWriter, r *http.Request) {
+		if r.Method != http.MethodPost {
+			http.Error(w, "Method Not Allowed", http.StatusMethodNotAllowed)
+			return
+		}
+		config.ResetAgentID()
+		w.Header().Set("Content-Type", "application/json")
+		json.NewEncoder(w).Encode(map[string]string{"status": "reset_triggered"})
+	})
+
+	http.HandleFunc("/status/peer", func(w http.ResponseWriter, r *http.Request) {
+		data, err := network.GatherSystemData()
+		if err != nil {
+			http.Error(w, "Failed to gather data", http.StatusInternalServerError)
+			return
+		}
+		w.Header().Set("Content-Type", "application/json")
+		json.NewEncoder(w).Encode(data)
+	})
+
+	http.HandleFunc("/status/relay", func(w http.ResponseWriter, r *http.Request) {
+		if r.Method != http.MethodPost {
+			http.Error(w, "Method Not Allowed", http.StatusMethodNotAllowed)
+			return
+		}
+		body, err := io.ReadAll(r.Body)
+		if err != nil {
+			http.Error(w, "Read error", http.StatusBadRequest)
+			return
+		}
+
+		if handleRelay != nil {
+			err = handleRelay(body)
+			if err != nil {
+				http.Error(w, err.Error(), http.StatusBadGateway)
+				return
+			}
+		}
+
+		w.Header().Set("Content-Type", "application/json")
+		json.NewEncoder(w).Encode(map[string]string{"status": "relayed"})
+	})
+
+	port := config.Cfg.AgentPort
+	if port == "" {
+		port = "5087"
+	}
+	addr := "0.0.0.0:" + port
+
+	go func() {
+		log.Printf("api: Starting agent server on %s", addr)
+		if err := http.ListenAndServe(addr, nil); err != nil {
+			log.Fatalf("api: Server failed: %v", err)
+		}
+	}()
+}