131 lines
4.0 KiB
Go
131 lines
4.0 KiB
Go
package main
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import (
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"context"
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"errors"
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"log/slog"
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"net/http"
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"os"
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"os/signal"
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"syscall"
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"time"
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"gitea.meghsakha.com/platform/tenant-registry/internal/authn"
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"gitea.meghsakha.com/platform/tenant-registry/internal/config"
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"gitea.meghsakha.com/platform/tenant-registry/internal/keycloak"
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"gitea.meghsakha.com/platform/tenant-registry/internal/product"
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"gitea.meghsakha.com/platform/tenant-registry/internal/server"
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"gitea.meghsakha.com/platform/tenant-registry/internal/store"
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)
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func main() {
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logger := slog.New(slog.NewJSONHandler(os.Stdout, &slog.HandlerOptions{Level: slog.LevelInfo}))
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slog.SetDefault(logger)
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cfg, err := config.Load()
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if err != nil {
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slog.Error("config load failed", "err", err)
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os.Exit(1)
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}
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bootCtx, cancelBoot := context.WithTimeout(context.Background(), 15*time.Second)
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defer cancelBoot()
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var s store.Store
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if cfg.DatabaseURL == "" {
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slog.Warn("DATABASE_URL not set — running with in-memory store (dev only)")
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s = store.NewMemory()
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} else {
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pg, err := store.NewPostgres(bootCtx, cfg.DatabaseURL)
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if err != nil {
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slog.Error("postgres connect failed", "err", err)
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os.Exit(1)
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}
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s = pg
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}
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defer s.Close()
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var kc keycloak.Adapter
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if cfg.KeycloakAdminURL != "" && cfg.KeycloakClientID != "" {
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kc = keycloak.NewHTTPAdapter(keycloak.HTTPConfig{
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BaseURL: cfg.KeycloakAdminURL,
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Realm: cfg.KeycloakRealm,
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ClientID: cfg.KeycloakClientID,
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ClientSecret: cfg.KeycloakClientSecret,
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Timeout: cfg.KeycloakTimeout,
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})
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slog.Info("keycloak adapter configured",
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"url", cfg.KeycloakAdminURL, "realm", cfg.KeycloakRealm, "client_id", cfg.KeycloakClientID)
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} else {
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slog.Warn("KEYCLOAK_ADMIN_URL not set — using mock adapter (dev only; no real KC writes)")
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kc = keycloak.NewMock()
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}
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var av *authn.Verifier
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if cfg.AuthEnabled {
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av, err = authn.New(bootCtx, cfg.KeycloakIssuer, cfg.AuthAudience)
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if err != nil {
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// Fail closed: never start an "authenticated" server that
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// cannot actually verify tokens.
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slog.Error("AUTH_CONFIG_INCOMPLETE — AUTH_ENABLED=true but verifier init failed", "err", err)
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os.Exit(1)
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}
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slog.Info("api auth enabled", "issuer", cfg.KeycloakIssuer, "audience", cfg.AuthAudience)
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} else {
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slog.Warn("AUTH_ENABLED=false — API is unauthenticated (dev only)")
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}
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// Downstream product provisioning. Wired only when PRODUCT_API_URL is set;
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// otherwise a no-op so an unconfigured deployment still creates tenants.
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// The product's gate is not yet enforcing, so no token is attached today —
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// AuthHeaderFunc is the seam for when it is.
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var pv product.Provisioner = product.NoopProvisioner{}
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if cfg.ProductAPIURL != "" {
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pv = product.NewHTTPProvisioner(cfg.ProductAPIURL, cfg.ProductAPIPath, nil, cfg.ProductTimeout)
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slog.Info("product provisioner configured", "url", cfg.ProductAPIURL, "path", cfg.ProductAPIPath)
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} else {
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slog.Warn("PRODUCT_API_URL not set — product tenant provisioning disabled (anchors may diverge)")
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}
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handler := server.NewRouter(&server.Server{Cfg: cfg, Log: logger, Store: s, Keycloak: kc, Auth: av, Product: pv})
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srv := &http.Server{
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Addr: cfg.Addr,
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Handler: handler,
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ReadTimeout: 10 * time.Second,
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WriteTimeout: 30 * time.Second,
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IdleTimeout: 60 * time.Second,
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}
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ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
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defer stop()
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go func() {
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slog.Info("tenant-registry listening", "addr", cfg.Addr, "env", cfg.Env, "store", storeKind(s))
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if err := srv.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
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slog.Error("server crashed", "err", err)
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os.Exit(1)
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}
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}()
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<-ctx.Done()
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slog.Info("shutdown requested")
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shutdownCtx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
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defer cancel()
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if err := srv.Shutdown(shutdownCtx); err != nil {
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slog.Error("shutdown failed", "err", err)
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os.Exit(1)
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}
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slog.Info("bye")
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}
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func storeKind(s store.Store) string {
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switch s.(type) {
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case *store.Memory:
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return "memory"
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case *store.Postgres:
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return "postgres"
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default:
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return "unknown"
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}
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}
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