feat(cluster): (c) Phase-3 MVP — stable node-id + self-register + Cluster-Page
Minimal-Slice für Phase-3-Cluster: * internal/cluster/node_id.go — stable UUID 'n-<16hex>' in /var/lib/edgeguard/node-id, idempotent über reboots. * internal/cluster/store.go — ha_nodes-Repo (List/Get/UpsertSelf) via pgxpool. EnsureSelfRegistered upsertet die lokale Row beim Boot mit FQDN aus setup.json. * internal/handlers/cluster.go — GET /api/v1/cluster/nodes liefert alle ha_nodes plus local_id (für UI-Highlighting). * main.go: nach DB-Pool-Open wird EnsureSelfRegistered (nur wenn setup.completed) ausgeführt, ClusterHandler registriert. * management-ui/src/pages/Cluster/index.tsx — Tabelle mit Node-ID, FQDN, Rolle, Beitrittszeit; eigene Node mit "diese Node"-Tag markiert. Sidebar-Eintrag + i18n de/en. Bewusst NICHT in dieser Runde: cluster-init/cluster-join CLIs, KeyDB Active-Active config-gen, PG streaming replication, mTLS zwischen Peers, License-Leader-Election. Diese kommen mit dem ersten echten Multi-Node-Test (Phase 3.1) — sonst Code ohne Smoke-Möglichkeit. End-to-end-Smoke: setup → restart → ha_nodes hat 1 Row mit fqdn=eg.example.com, /cluster/nodes liefert sie korrekt mit local_id-Markierung. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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37
internal/handlers/cluster.go
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37
internal/handlers/cluster.go
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package handlers
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import (
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"github.com/gin-gonic/gin"
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"git.netcell-it.de/projekte/edgeguard-native/internal/cluster"
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"git.netcell-it.de/projekte/edgeguard-native/internal/handlers/response"
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)
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// ClusterHandler exposes cluster-state endpoints. v1 is read-only:
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// the UI shows the list of registered nodes but cluster-join + write
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// operations land in Phase 3.1.
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type ClusterHandler struct {
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Store *cluster.Store
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LocalID string
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}
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func NewClusterHandler(store *cluster.Store, localID string) *ClusterHandler {
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return &ClusterHandler{Store: store, LocalID: localID}
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}
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func (h *ClusterHandler) Register(rg *gin.RouterGroup) {
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g := rg.Group("/cluster")
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g.GET("/nodes", h.ListNodes)
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}
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func (h *ClusterHandler) ListNodes(c *gin.Context) {
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nodes, err := h.Store.List(c.Request.Context())
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if err != nil {
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response.Internal(c, err)
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return
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}
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response.OK(c, gin.H{
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"nodes": nodes,
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"local_id": h.LocalID,
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})
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}
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