enki
1b7b70426c
- config: koanf-based loading (defaults → YAML → KINDEXR_ env vars) - db: embedded SQLite migrations with BEGIN/END-aware statement splitter - server: chi router, GET /health returns JSON stats - cmd/kindexr: graceful SIGTERM shutdown - cmd/kindexr-cli: stub - deploy: systemd unit, example config, nginx snippet - all packages covered by race-clean tests
78 lines
1.9 KiB
Go
78 lines
1.9 KiB
Go
// Package server provides the HTTP server for kindexr, including the /health endpoint.
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package server
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import (
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"encoding/json"
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"net/http"
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"github.com/go-chi/chi/v5"
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"github.com/go-chi/chi/v5/middleware"
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"git.utn.lol/enki/kindexr/internal/config"
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"git.utn.lol/enki/kindexr/internal/db"
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)
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// Server holds the HTTP server state.
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type Server struct {
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cfg *config.Config
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db *db.DB
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router chi.Router
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version string
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}
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// New creates a new Server with the given config, database, and version string.
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func New(cfg *config.Config, database *db.DB, version string) *Server {
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s := &Server{
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cfg: cfg,
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db: database,
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version: version,
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}
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s.router = s.buildRouter()
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return s
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}
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// Handler returns the root http.Handler for the server.
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func (s *Server) Handler() http.Handler {
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return s.router
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}
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// buildRouter wires up all routes and middleware.
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func (s *Server) buildRouter() chi.Router {
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r := chi.NewRouter()
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r.Use(middleware.Logger)
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r.Use(middleware.Recoverer)
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r.Get("/health", s.healthHandler)
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return r
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}
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// healthResponse is the JSON body returned by GET /health.
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type healthResponse struct {
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Status string `json:"status"`
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Version string `json:"version"`
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RelaysConnected int `json:"relays_connected"`
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EventsTotal int64 `json:"events_total"`
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LastEventAt *int64 `json:"last_event_at"`
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}
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// healthHandler handles GET /health.
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func (s *Server) healthHandler(w http.ResponseWriter, r *http.Request) {
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stats, err := s.db.GetStats(r.Context())
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if err != nil {
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http.Error(w, `{"error":"internal server error"}`, http.StatusInternalServerError)
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return
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}
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resp := healthResponse{
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Status: "ok",
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Version: s.version,
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RelaysConnected: 0, // populated in Phase 1 when relay connections are active
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EventsTotal: stats.EventsTotal,
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LastEventAt: stats.LastEventAt,
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}
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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_ = json.NewEncoder(w).Encode(resp)
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}
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