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Merged
karimra merged 1 commit into from
Apr 26, 2026
+20 −7
Merged

Add cluster endpoints middleware #851

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11 changes: 11 additions & 0 deletions pkg/collector/api/server/cluster.go
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,17 @@ type clusterMember struct {
LockedTargets []string `json:"locked-targets,omitempty"`
}

func (s *Server) requireClustering(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if s.locker == nil {
w.WriteHeader(http.StatusServiceUnavailable)
json.NewEncoder(w).Encode(APIErrors{Errors: []string{"clustering is not enabled"}})
return
}
next.ServeHTTP(w, r)
})
}

func (s *Server) handleClusteringGet(w http.ResponseWriter, r *http.Request) {
// clusteringResponse
clusteringCfg, ok, err := s.store.Config.Get("clustering", "clustering")
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16 changes: 9 additions & 7 deletions pkg/collector/api/server/routes.go
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Expand Up @@ -33,13 +33,15 @@ func (s *Server) adminRoutes(r *mux.Router) {
}

func (s *Server) clusterRoutes(r *mux.Router) {
r.HandleFunc("/cluster", s.handleClusteringGet).Methods(http.MethodGet)
r.HandleFunc("/cluster/rebalance", s.handleClusterRebalance).Methods(http.MethodPost)
r.HandleFunc("/cluster/leader", s.handleClusteringLeaderGet).Methods(http.MethodGet)
r.HandleFunc("/cluster/leader", s.handleClusteringLeaderDelete).Methods(http.MethodDelete)
r.HandleFunc("/cluster/members", s.handleClusteringMembersGet).Methods(http.MethodGet)
r.HandleFunc("/cluster/members/{id}/drain", s.handleClusteringDrainInstance).Methods(http.MethodPost)
r.HandleFunc("/cluster/move", s.handleClusterMove).Methods(http.MethodPost) // TODO: implement move target
cluster := r.PathPrefix("/cluster").Subrouter()
cluster.Use(s.requireClustering)
cluster.HandleFunc("", s.handleClusteringGet).Methods(http.MethodGet)
cluster.HandleFunc("/rebalance", s.handleClusterRebalance).Methods(http.MethodPost)
cluster.HandleFunc("/leader", s.handleClusteringLeaderGet).Methods(http.MethodGet)
cluster.HandleFunc("/leader", s.handleClusteringLeaderDelete).Methods(http.MethodDelete)
cluster.HandleFunc("/members", s.handleClusteringMembersGet).Methods(http.MethodGet)
cluster.HandleFunc("/members/{id}/drain", s.handleClusteringDrainInstance).Methods(http.MethodPost)
cluster.HandleFunc("/move", s.handleClusterMove).Methods(http.MethodPost)
}

func (s *Server) configRoutes(r *mux.Router) {
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