Files
tenant-registry/internal/server/server.go
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feat(keycloak): M4.3 — Admin API adapter + claim resolver
internal/keycloak/ — Adapter interface with two implementations:
  HTTPAdapter  pgxpool-style real Admin API client with cached client-
               credentials token (auto-refresh, 401 retry).
  Mock         in-process map for unit tests + dev convenience when
               KEYCLOAK_ADMIN_URL is empty. Used by the eachStore harness.

Adapter contract (adapter.go):
  CreateOrgAndInvite(ctx, InviteInput) (*InviteResult, error)
    Creates a KC organization, an IT_ADMIN user, adds the user as a
    member, triggers VERIFY_EMAIL + UPDATE_PASSWORD execute-actions
    email. Atomic from the caller's PoV; partial failures surface as
    typed errors (ErrOrgConflict, ErrUserConflict, ErrUnauthorized,
    ErrUnavailable).
  SyncClaims(ctx, userID, Claims) error
    Pushes tenant_id / tenant_slug / org_roles / products / plan /
    tenant_status into the user's KC attributes — the same shape the
    realm's protocol mappers project into JWTs.
  Health(ctx) error
    Pings /admin/serverinfo; wired into readyz.

Wiring:
  POST /v1/tenants now accepts admin_email + admin_name. When set, the
  adapter creates the org and invites the user. Response wraps the
  tenant with the new TenantCreated{tenant, invite_url} shape so dev
  testers can use the action-token URL without waiting for the email.
  KC failures DO NOT roll the tenant back — they emit a
  keycloak.provision_failed audit event so the operator can resend.
  Successful invites emit keycloak.invite_sent.

  POST /v1/internal/keycloak/claims resolves a tenant's current claim
  bundle. Lookup chain: body.tenant_id → body.tenant_slug →
  body.user_attrs.tenant_id → body.user_attrs.tenant_slug. The realm's
  protocol mapper calls this at token issuance, or operators on demand.

Config: KEYCLOAK_ADMIN_URL / REALM / CLIENT_ID / CLIENT_SECRET; empty
URL falls back to Mock for dev.

OpenAPI: TenantCreated + Claims schemas added; /v1/internal/keycloak/claims
documented. Contract test extended to cover the new endpoint.

Tests:
  internal/keycloak/mock_test.go    Mock semantics: conflict surfacing,
                                    FailNext hook, SyncClaims persistence.
  internal/server/keycloak_test.go  KC provisioning end-to-end via
                                    eachStore: invite_url returned,
                                    mock records, invite_sent audit;
                                    failure path emits provision_failed
                                    but tenant still lands; claims
                                    endpoint resolves via tenant_id /
                                    tenant_slug / user_attrs / 404 / 400.

The real-KC integration test (against a testcontainers-spun KC 26)
lands in a follow-up — gating it behind KEYCLOAK_INTEGRATION=1 + a
slower nightly CI is cleaner than baking 30s+ of KC boot into every PR.

Refs: M4.3
2026-05-19 13:27:16 +02:00

81 lines
2.8 KiB
Go

// Package server wires the HTTP surface for tenant-registry.
//
// All routes are registered in NewRouter; per-concern handlers live in
// peer files (tenants.go, catalog.go, apikeys.go, audit.go, keycloak.go).
package server
import (
"log/slog"
"net/http"
"gitea.meghsakha.com/platform/tenant-registry/internal/config"
"gitea.meghsakha.com/platform/tenant-registry/internal/keycloak"
"gitea.meghsakha.com/platform/tenant-registry/internal/store"
)
// Server bundles the dependencies every handler needs.
type Server struct {
Cfg *config.Config
Log *slog.Logger
Store store.Store
Keycloak keycloak.Adapter // never nil — main wires Mock when KC env is unset
}
// NewRouter builds the http.Handler with logging middleware applied.
func NewRouter(s *Server) http.Handler {
mux := http.NewServeMux()
// health + status
mux.HandleFunc("GET /healthz", s.healthz)
mux.HandleFunc("GET /readyz", s.readyz)
// tenants
mux.HandleFunc("POST /v1/tenants", s.createTenant)
mux.HandleFunc("GET /v1/tenants/{id}", s.getTenant)
mux.HandleFunc("GET /v1/tenants/by-slug/{slug}", s.getTenantBySlug)
mux.HandleFunc("POST /v1/tenants/{id}/activate", s.activateTenant)
mux.HandleFunc("POST /v1/tenants/{id}/cancel", s.cancelTenant)
// entitlements
mux.HandleFunc("GET /v1/entitlements", s.listTenantProducts)
// catalog
mux.HandleFunc("GET /v1/catalog", s.getCatalog)
mux.HandleFunc("POST /v1/catalog/request", s.catalogRequest)
mux.HandleFunc("POST /v1/catalog/trial-request", s.catalogTrialRequest)
// api keys
mux.HandleFunc("POST /v1/api-keys", s.createAPIKey)
mux.HandleFunc("GET /v1/api-keys", s.listAPIKeys)
mux.HandleFunc("DELETE /v1/api-keys/{id}", s.revokeAPIKey)
mux.HandleFunc("POST /v1/internal/api-keys/verify", s.verifyAPIKey)
// audit
mux.HandleFunc("POST /v1/audit", s.appendAudit)
mux.HandleFunc("GET /v1/audit", s.listAudit)
// keycloak claims refresh — the URL the protocol mapper would call at
// token issuance to grab the up-to-date entitlement bundle. Today the
// dev realm projects user attributes (set by SyncClaims) — this is
// the "pull" complement for when the realm is reconfigured to fetch.
mux.HandleFunc("POST /v1/internal/keycloak/claims", s.kcClaims)
return logRequest(s.Log)(mux)
}
func (s *Server) healthz(w http.ResponseWriter, _ *http.Request) {
writeJSON(w, http.StatusOK, map[string]string{"status": "ok"})
}
func (s *Server) readyz(w http.ResponseWriter, r *http.Request) {
if err := s.Store.Ping(r.Context()); err != nil {
writeError(w, http.StatusServiceUnavailable, "store_unavailable", err.Error())
return
}
if err := s.Keycloak.Health(r.Context()); err != nil {
writeError(w, http.StatusServiceUnavailable, "keycloak_unavailable", err.Error())
return
}
writeJSON(w, http.StatusOK, map[string]string{"status": "ready"})
}