William Valentin
256b841cbf
Adds Go microservices (ingest-gateway, event-processor, query-api, web-ui), NATS+Postgres wiring, initial schema/init job, ingress manifests for LAN+tailnet, and a multi-arch image build script.
60 lines
1.3 KiB
Go
60 lines
1.3 KiB
Go
package main
|
|
|
|
import (
|
|
"log"
|
|
"net/http"
|
|
"os"
|
|
"strconv"
|
|
|
|
"agentmon/internal/httpx"
|
|
"agentmon/internal/store/postgres"
|
|
|
|
"github.com/go-chi/chi/v5"
|
|
"github.com/go-chi/chi/v5/middleware"
|
|
)
|
|
|
|
func main() {
|
|
addr := envDefault("AGENTMON_QUERY_ADDR", ":8081")
|
|
dsn := os.Getenv("DATABASE_URL")
|
|
if dsn == "" {
|
|
log.Fatalf("DATABASE_URL is required")
|
|
}
|
|
|
|
db, err := postgres.Open(dsn)
|
|
if err != nil {
|
|
log.Fatalf("failed to open DB: %v", err)
|
|
}
|
|
defer func() { _ = db.Close() }()
|
|
|
|
r := chi.NewRouter()
|
|
r.Use(middleware.RequestID)
|
|
r.Use(middleware.RealIP)
|
|
r.Use(middleware.Logger)
|
|
r.Use(middleware.Recoverer)
|
|
|
|
r.Get("/healthz", func(w http.ResponseWriter, r *http.Request) {
|
|
w.WriteHeader(http.StatusOK)
|
|
_, _ = w.Write([]byte("ok"))
|
|
})
|
|
|
|
r.Get("/v1/events", func(w http.ResponseWriter, r *http.Request) {
|
|
limit, _ := strconv.Atoi(r.URL.Query().Get("limit"))
|
|
events, err := db.ListRecentEvents(r.Context(), limit)
|
|
if err != nil {
|
|
httpx.WriteJSON(w, http.StatusInternalServerError, map[string]any{"error": "db_error"})
|
|
return
|
|
}
|
|
httpx.WriteJSON(w, http.StatusOK, map[string]any{"events": events})
|
|
})
|
|
|
|
log.Printf("query-api listening on %s", addr)
|
|
log.Fatal(http.ListenAndServe(addr, r))
|
|
}
|
|
|
|
func envDefault(key, def string) string {
|
|
if v := os.Getenv(key); v != "" {
|
|
return v
|
|
}
|
|
return def
|
|
}
|