phase-b: add node uuid/alias/ip metadata APIs and node list enrichment

internal/server/node_api.go

@@ -0,0 +1,59 @@
+package server
+
+import (
+	"encoding/json"
+	"net/http"
+	"strings"
+)
+
+func (s *Server) HandleNodeMeta(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodPost {
+		writeJSON(w, http.StatusMethodNotAllowed, `{"error":1,"message":"method not allowed"}`)
+		return
+	}
+	if s.store == nil {
+		writeJSON(w, http.StatusInternalServerError, `{"error":1,"message":"store not ready"}`)
+		return
+	}
+	ac, ok := s.ResolveTenantAccessToken(BearerToken(r))
+	if !ok || ac.TenantID <= 0 {
+		writeJSON(w, http.StatusUnauthorized, `{"error":1,"message":"unauthorized"}`)
+		return
+	}
+
+	if strings.HasSuffix(r.URL.Path, "/alias") {
+		var req struct {
+			NodeUUID string `json:"node_uuid"`
+			Alias    string `json:"alias"`
+		}
+		if err := json.NewDecoder(r.Body).Decode(&req); err != nil || req.NodeUUID == "" {
+			writeJSON(w, http.StatusBadRequest, `{"error":1,"message":"bad request"}`)
+			return
+		}
+		if err := s.store.SetNodeAlias(ac.TenantID, req.NodeUUID, req.Alias); err != nil {
+			writeJSON(w, http.StatusBadRequest, `{"error":1,"message":"`+err.Error()+`"}`)
+			return
+		}
+		writeJSON(w, http.StatusOK, `{"error":0,"message":"ok"}`)
+		return
+	}
+
+	if strings.HasSuffix(r.URL.Path, "/ip") {
+		var req struct {
+			NodeUUID  string `json:"node_uuid"`
+			VirtualIP string `json:"virtual_ip"`
+		}
+		if err := json.NewDecoder(r.Body).Decode(&req); err != nil || req.NodeUUID == "" || req.VirtualIP == "" {
+			writeJSON(w, http.StatusBadRequest, `{"error":1,"message":"bad request"}`)
+			return
+		}
+		if err := s.store.SetNodeVirtualIP(ac.TenantID, req.NodeUUID, req.VirtualIP); err != nil {
+			writeJSON(w, http.StatusBadRequest, `{"error":1,"message":"`+err.Error()+`"}`)
+			return
+		}
+		writeJSON(w, http.StatusOK, `{"error":0,"message":"ok"}`)
+		return
+	}
+
+	writeJSON(w, http.StatusNotFound, `{"error":1,"message":"not found"}`)
+}