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Commits
| Author | SHA1 | Date | |
|---|---|---|---|
 sysopsandClaude Sonnet 5
|
2026514404 |
@@ -1,88 +0,0 @@
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package cfgservice
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import (
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"context"
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"errors"
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"sync"
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"time"
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)
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// DefaultCacheTTL ist die dokumentierte Cache-Invalidierungszeit
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// (Akzeptanzkriterium 2 / Pruefung 2 in diesem Ticket bezieht sich auf die
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// Aenderungsnachvollziehbarkeit — die Cache-Frist selbst folgt demselben
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// Muster wie internal/flag.DefaultCacheTTL).
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const DefaultCacheTTL = 5 * time.Second
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type cacheEntry struct {
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value Value
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expiresAt time.Time
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}
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// Service ist die Leseseite mit Vorrangregel (Akzeptanzkriterium 1:
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// Tenant-Override vor Global-Default) und lokalem TTL-Cache.
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type Service struct {
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store *Store
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ttl time.Duration
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mu sync.RWMutex
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cache map[string]cacheEntry // Schluessel: key + "\x00" + tenantSlug
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}
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func NewService(store *Store, ttl time.Duration) *Service {
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if ttl <= 0 {
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ttl = DefaultCacheTTL
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}
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return &Service{store: store, ttl: ttl, cache: make(map[string]cacheEntry)}
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}
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func cacheKey(key, tenantSlug string) string {
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return key + "\x00" + tenantSlug
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}
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// Resolve liefert den Konfigurationswert fuer einen Tenant: ein
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// Tenant-spezifischer Override hat Vorrang vor dem globalen Default
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// (Akzeptanzkriterium 1 / Pruefung 1). tenantSlug == "" wertet nur den
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// globalen Wert aus.
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func (s *Service) Resolve(ctx context.Context, tenantSlug, key string) (Value, error) {
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ck := cacheKey(key, tenantSlug)
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s.mu.RLock()
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entry, exists := s.cache[ck]
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fresh := exists && time.Now().Before(entry.expiresAt)
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s.mu.RUnlock()
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if fresh {
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return entry.value, nil
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}
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v, err := s.resolveUncached(ctx, tenantSlug, key)
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if err != nil {
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return Value{}, err
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}
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s.mu.Lock()
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s.cache[ck] = cacheEntry{value: v, expiresAt: time.Now().Add(s.ttl)}
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s.mu.Unlock()
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return v, nil
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}
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func (s *Service) resolveUncached(ctx context.Context, tenantSlug, key string) (Value, error) {
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if tenantSlug != "" {
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v, err := s.store.Get(ctx, key, tenantSlug)
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if err == nil {
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return v, nil
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}
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if !errors.Is(err, ErrNotFound) {
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return Value{}, err
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}
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}
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return s.store.Get(ctx, key, GlobalScope)
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}
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// Invalidate erzwingt beim naechsten Resolve-Aufruf ein sofortiges Neuladen
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// fuer einen bestimmten (key, tenantSlug) statt auf den TTL-Ablauf zu warten
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// — analog internal/flag.Service.Invalidate.
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func (s *Service) Invalidate(key, tenantSlug string) {
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s.mu.Lock()
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delete(s.cache, cacheKey(key, tenantSlug))
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s.mu.Unlock()
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}
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@@ -1,114 +0,0 @@
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package cfgservice
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import (
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"context"
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"testing"
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"time"
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)
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// Akzeptanzkriterium 1 + Pruefung 1: Tenant-Override hat Vorrang vor
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// Global-Default, automatisiert getestet.
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func TestService_TenantOverrideTakesPrecedenceOverGlobal(t *testing.T) {
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store, cleanup := setupStoreTest(t)
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defer cleanup()
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ctx := context.Background()
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if _, err := store.Set(ctx, "test_precedence_key", GlobalScope, "global-wert"); err != nil {
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t.Fatalf("set global: %v", err)
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}
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if _, err := store.Set(ctx, "test_precedence_key", "test_acme", "tenant-wert"); err != nil {
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t.Fatalf("set tenant: %v", err)
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}
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svc := NewService(store, time.Hour)
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got, err := svc.Resolve(ctx, "test_acme", "test_precedence_key")
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if err != nil {
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t.Fatalf("resolve mit override: %v", err)
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}
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if got.Value != "tenant-wert" {
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t.Fatalf("erwartet tenant-override, habe %q", got.Value)
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}
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gotOther, err := svc.Resolve(ctx, "test_anderer_tenant", "test_precedence_key")
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if err != nil {
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t.Fatalf("resolve ohne override: %v", err)
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}
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if gotOther.Value != "global-wert" {
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t.Fatalf("erwartet global-default fuer tenant ohne override, habe %q", gotOther.Value)
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}
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}
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// Akzeptanzkriterium 2 + Pruefung 2: Cache-Invalidierung nach
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// Konfigurationsaenderung innerhalb dokumentierter Zeit gemessen.
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func TestService_CacheInvalidationTiming(t *testing.T) {
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store, cleanup := setupStoreTest(t)
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defer cleanup()
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ctx := context.Background()
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const ttl = 150 * time.Millisecond
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if _, err := store.Set(ctx, "test_ttl_key", GlobalScope, "alt"); err != nil {
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t.Fatalf("set: %v", err)
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}
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svc := NewService(store, ttl)
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v, err := svc.Resolve(ctx, "", "test_ttl_key")
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if err != nil {
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t.Fatalf("resolve: %v", err)
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}
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if v.Value != "alt" {
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t.Fatalf("erwartet 'alt', habe %q", v.Value)
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}
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changedAt := time.Now()
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if _, err := store.Set(ctx, "test_ttl_key", GlobalScope, "neu"); err != nil {
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t.Fatalf("set: %v", err)
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}
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v, err = svc.Resolve(ctx, "", "test_ttl_key")
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if err != nil {
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t.Fatalf("resolve direkt nach aenderung: %v", err)
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}
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if v.Value != "alt" {
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t.Fatalf("cache haette den alten wert liefern sollen, habe %q", v.Value)
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}
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deadline := changedAt.Add(ttl + 100*time.Millisecond)
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for time.Now().Before(deadline) {
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v, err := svc.Resolve(ctx, "", "test_ttl_key")
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if err != nil {
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t.Fatalf("resolve: %v", err)
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}
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if v.Value == "neu" {
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t.Logf("aenderung wurde nach %s wirksam (ziel: innerhalb %s + toleranz)", time.Since(changedAt), ttl)
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return
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}
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time.Sleep(10 * time.Millisecond)
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}
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t.Fatalf("aenderung wurde nicht innerhalb von %s wirksam", deadline.Sub(changedAt))
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}
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func TestService_InvalidateForcesImmediateRefresh(t *testing.T) {
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store, cleanup := setupStoreTest(t)
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defer cleanup()
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ctx := context.Background()
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if _, err := store.Set(ctx, "test_invalidate_key", GlobalScope, "alt"); err != nil {
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t.Fatalf("set: %v", err)
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}
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svc := NewService(store, time.Hour)
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_, _ = svc.Resolve(ctx, "", "test_invalidate_key")
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if _, err := store.Set(ctx, "test_invalidate_key", GlobalScope, "neu"); err != nil {
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t.Fatalf("set: %v", err)
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}
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svc.Invalidate("test_invalidate_key", "")
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v, err := svc.Resolve(ctx, "", "test_invalidate_key")
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if err != nil {
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t.Fatalf("resolve: %v", err)
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}
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if v.Value != "neu" {
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t.Fatalf("erwartet sofort sichtbaren neuen wert nach Invalidate, habe %q", v.Value)
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}
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}
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@@ -1,129 +0,0 @@
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// Package cfgservice implementiert Core CFG-01: den zentralen Dienst fuer
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// globale und tenant-spezifische Konfigurationswerte mit Versionierung und
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// Cache-Invalidierung. Andere Module lesen Konfiguration AUSSCHLIESSLICH
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// ueber dieses Paket (Akzeptanzkriterium 3), niemals ueber eigene Tabellen.
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package cfgservice
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import (
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"context"
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"errors"
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"fmt"
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"github.com/jackc/pgx/v5"
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"github.com/jackc/pgx/v5/pgxpool"
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)
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// GlobalScope ist der reservierte Scope-Wert fuer globale Defaults — jeder
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// andere Scope-Wert ist ein Tenant-Slug (Akzeptanzkriterium 1).
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const GlobalScope = "global"
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var ErrNotFound = errors.New("cfgservice: kein wert fuer diesen key gefunden")
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type Value struct {
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Key string
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Scope string
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Value string
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Version int
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}
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type HistoryEntry struct {
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Key string
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Scope string
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Value string
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Version int
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}
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// Store ist die Schreib-/Verwaltungsseite. Set schreibt IMMER sowohl den
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// aktuellen Stand (config_values) als auch einen Historieneintrag
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// (config_value_history) in derselben Transaktion — eine Aenderung ohne
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// Versionshistorie ist strukturell ausgeschlossen (Akzeptanzkriterium 2).
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type Store struct {
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pool *pgxpool.Pool
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}
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func NewStore(pool *pgxpool.Pool) *Store {
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return &Store{pool: pool}
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}
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// Set schreibt einen neuen Wert fuer (key, scope) und erhoeht die Version um 1
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// (Version 1 bei erstmaligem Setzen).
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func (s *Store) Set(ctx context.Context, key, scope, value string) (Value, error) {
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if scope == "" {
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return Value{}, errors.New("cfgservice: scope darf nicht leer sein")
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}
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tx, err := s.pool.Begin(ctx)
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if err != nil {
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return Value{}, fmt.Errorf("transaktion starten: %w", err)
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}
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defer func() { _ = tx.Rollback(ctx) }()
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var currentVersion int
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err = tx.QueryRow(ctx, `SELECT version FROM config_values WHERE key = $1 AND scope = $2`, key, scope).Scan(¤tVersion)
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if err != nil && !errors.Is(err, pgx.ErrNoRows) {
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return Value{}, fmt.Errorf("aktuelle version lesen: %w", err)
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}
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newVersion := currentVersion + 1
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if _, err := tx.Exec(ctx, `
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INSERT INTO config_values (key, scope, value, version, updated_at)
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VALUES ($1, $2, $3, $4, now())
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ON CONFLICT (key, scope) DO UPDATE SET value = $3, version = $4, updated_at = now()
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`, key, scope, value, newVersion); err != nil {
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return Value{}, fmt.Errorf("wert speichern: %w", err)
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}
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if _, err := tx.Exec(ctx, `
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INSERT INTO config_value_history (key, scope, value, version, changed_at)
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VALUES ($1, $2, $3, $4, now())
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`, key, scope, value, newVersion); err != nil {
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return Value{}, fmt.Errorf("historie schreiben: %w", err)
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}
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if err := tx.Commit(ctx); err != nil {
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return Value{}, fmt.Errorf("transaktion committen: %w", err)
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}
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return Value{Key: key, Scope: scope, Value: value, Version: newVersion}, nil
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}
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// Get liefert den Wert fuer GENAU EINEN Scope (kein Vorrang-Fallback) — die
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// Vorrangregel (Tenant vor Global) lebt bewusst in Service.Resolve, damit
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// Store rein CRUD bleibt.
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func (s *Store) Get(ctx context.Context, key, scope string) (Value, error) {
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var v Value
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v.Key, v.Scope = key, scope
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err := s.pool.QueryRow(ctx, `
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SELECT value, version FROM config_values WHERE key = $1 AND scope = $2
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`, key, scope).Scan(&v.Value, &v.Version)
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if err != nil {
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if errors.Is(err, pgx.ErrNoRows) {
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return Value{}, ErrNotFound
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}
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return Value{}, fmt.Errorf("wert lesen: %w", err)
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}
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return v, nil
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}
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// History liefert die vollstaendige Versionshistorie eines (key, scope) in
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// aufsteigender Reihenfolge (Akzeptanzkriterium 2 / Pruefung 3).
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func (s *Store) History(ctx context.Context, key, scope string) ([]HistoryEntry, error) {
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rows, err := s.pool.Query(ctx, `
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SELECT key, scope, value, version FROM config_value_history
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WHERE key = $1 AND scope = $2 ORDER BY version
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`, key, scope)
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if err != nil {
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return nil, fmt.Errorf("historie abfragen: %w", err)
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}
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defer rows.Close()
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var out []HistoryEntry
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for rows.Next() {
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var h HistoryEntry
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if err := rows.Scan(&h.Key, &h.Scope, &h.Value, &h.Version); err != nil {
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return nil, fmt.Errorf("historieneintrag lesen: %w", err)
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}
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out = append(out, h)
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}
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return out, rows.Err()
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}
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@@ -1,119 +0,0 @@
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package cfgservice
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import (
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"context"
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"errors"
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"os"
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"testing"
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"github.com/jackc/pgx/v5/pgxpool"
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)
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func setupStoreTest(t *testing.T) (*Store, func()) {
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t.Helper()
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adminDSN := os.Getenv("TEST_ADMIN_DSN")
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if adminDSN == "" {
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t.Skip("TEST_ADMIN_DSN nicht gesetzt, Integrationstest uebersprungen")
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}
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ctx := context.Background()
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pool, err := pgxpool.New(ctx, adminDSN)
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if err != nil {
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t.Fatalf("pool: %v", err)
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}
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if _, err := pool.Exec(ctx, `
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CREATE TABLE IF NOT EXISTS config_values (
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key TEXT NOT NULL,
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scope TEXT NOT NULL CHECK (scope <> ''),
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value TEXT NOT NULL,
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version INT NOT NULL,
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updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
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PRIMARY KEY (key, scope)
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);
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CREATE TABLE IF NOT EXISTS config_value_history (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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key TEXT NOT NULL,
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scope TEXT NOT NULL,
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value TEXT NOT NULL,
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version INT NOT NULL,
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changed_at TIMESTAMPTZ NOT NULL DEFAULT now()
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);
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`); err != nil {
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t.Fatalf("schema: %v", err)
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}
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cleanup := func() {
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_, _ = pool.Exec(ctx, `DELETE FROM config_value_history WHERE key LIKE 'test\_%' ESCAPE '\'`)
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_, _ = pool.Exec(ctx, `DELETE FROM config_values WHERE key LIKE 'test\_%' ESCAPE '\'`)
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pool.Close()
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}
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return NewStore(pool), cleanup
|
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}
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func TestStore_SetIncrementsVersion(t *testing.T) {
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store, cleanup := setupStoreTest(t)
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defer cleanup()
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ctx := context.Background()
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v1, err := store.Set(ctx, "test_key", GlobalScope, "erster-wert")
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if err != nil {
|
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t.Fatalf("set 1: %v", err)
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}
|
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if v1.Version != 1 {
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t.Fatalf("erwartet version 1, habe %d", v1.Version)
|
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}
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v2, err := store.Set(ctx, "test_key", GlobalScope, "zweiter-wert")
|
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if err != nil {
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t.Fatalf("set 2: %v", err)
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}
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if v2.Version != 2 {
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t.Fatalf("erwartet version 2, habe %d", v2.Version)
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}
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|
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got, err := store.Get(ctx, "test_key", GlobalScope)
|
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if err != nil {
|
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t.Fatalf("get: %v", err)
|
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}
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if got.Value != "zweiter-wert" || got.Version != 2 {
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t.Fatalf("aktueller wert unerwartet: %+v", got)
|
||||
}
|
||||
}
|
||||
|
||||
// Akzeptanzkriterium 2 + Pruefung 3: Versionierungshistorie ueber mehrere
|
||||
// Aenderungen hinweg nachvollzogen.
|
||||
func TestStore_HistoryTracksAllChanges(t *testing.T) {
|
||||
store, cleanup := setupStoreTest(t)
|
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defer cleanup()
|
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ctx := context.Background()
|
||||
|
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values := []string{"v1", "v2", "v3"}
|
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for _, v := range values {
|
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if _, err := store.Set(ctx, "test_history_key", GlobalScope, v); err != nil {
|
||||
t.Fatalf("set %q: %v", v, err)
|
||||
}
|
||||
}
|
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|
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history, err := store.History(ctx, "test_history_key", GlobalScope)
|
||||
if err != nil {
|
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t.Fatalf("history: %v", err)
|
||||
}
|
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if len(history) != 3 {
|
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t.Fatalf("erwartet 3 historieneintraege, habe %d", len(history))
|
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}
|
||||
for i, h := range history {
|
||||
if h.Version != i+1 || h.Value != values[i] {
|
||||
t.Fatalf("historieneintrag[%d] unerwartet: %+v", i, h)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func TestStore_GetUnknownKeyReturnsNotFound(t *testing.T) {
|
||||
store, cleanup := setupStoreTest(t)
|
||||
defer cleanup()
|
||||
ctx := context.Background()
|
||||
|
||||
if _, err := store.Get(ctx, "test_nie_gesetzt", GlobalScope); !errors.Is(err, ErrNotFound) {
|
||||
t.Fatalf("erwartet ErrNotFound, habe %v", err)
|
||||
}
|
||||
}
|
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@@ -0,0 +1,136 @@
|
||||
package tenant
|
||||
|
||||
import (
|
||||
"container/list"
|
||||
"context"
|
||||
"errors"
|
||||
"fmt"
|
||||
"sync"
|
||||
|
||||
"github.com/jackc/pgx/v5/pgxpool"
|
||||
)
|
||||
|
||||
// ErrMissingTenantContext wird geliefert, wenn keine Tenant-Kennung
|
||||
// uebergeben wurde — es gibt bewusst keinen impliziten Default-Tenant
|
||||
// (TEN-06 Akzeptanzkriterium 3).
|
||||
var ErrMissingTenantContext = errors.New("tenant: kein tenant-kontext angegeben")
|
||||
|
||||
// ErrUnknownTenant wird geliefert, wenn die Tenant-Kennung in der Registry
|
||||
// nicht existiert.
|
||||
var ErrUnknownTenant = errors.New("tenant: unbekannter tenant")
|
||||
|
||||
// Router loest den Tenant-Kontext (Slug, aus dem JWT-Claim von API-05) in
|
||||
// eine wiederverwendbare Verbindung zur richtigen Tenant-Datenbank auf.
|
||||
// Ein LRU-verwalteter Cache begrenzt die Zahl gleichzeitig offener
|
||||
// pgxpool.Pool-Instanzen, damit die Zahl offener Postgres-Verbindungen NICHT
|
||||
// linear mit der Mandantenzahl waechst (Akzeptanzkriterium 2).
|
||||
type Router struct {
|
||||
registry *Registry
|
||||
maxOpen int
|
||||
|
||||
mu sync.Mutex
|
||||
order *list.List // vorne = zuletzt benutzt
|
||||
items map[string]*list.Element // slug -> element mit *routerEntry
|
||||
}
|
||||
|
||||
type routerEntry struct {
|
||||
slug string
|
||||
pool *pgxpool.Pool
|
||||
}
|
||||
|
||||
func NewRouter(registry *Registry, maxOpen int) *Router {
|
||||
if maxOpen < 1 {
|
||||
maxOpen = 1
|
||||
}
|
||||
return &Router{
|
||||
registry: registry,
|
||||
maxOpen: maxOpen,
|
||||
order: list.New(),
|
||||
items: make(map[string]*list.Element),
|
||||
}
|
||||
}
|
||||
|
||||
// Resolve liefert einen wiederverwendeten Pool fuer den angegebenen Tenant.
|
||||
// Ist der Tenant bereits im Cache, wird KEINE neue Verbindung aufgebaut
|
||||
// (Akzeptanzkriterium 2 / Pruefung 3).
|
||||
func (r *Router) Resolve(ctx context.Context, tenantSlug string) (*pgxpool.Pool, error) {
|
||||
if tenantSlug == "" {
|
||||
return nil, ErrMissingTenantContext
|
||||
}
|
||||
|
||||
r.mu.Lock()
|
||||
if el, ok := r.items[tenantSlug]; ok {
|
||||
r.order.MoveToFront(el)
|
||||
pool := el.Value.(*routerEntry).pool
|
||||
r.mu.Unlock()
|
||||
return pool, nil
|
||||
}
|
||||
r.mu.Unlock()
|
||||
|
||||
// Registry-Lookup und Verbindungsaufbau bewusst ausserhalb des Locks,
|
||||
// damit ein langsamer Verbindungsaufbau nicht alle anderen Tenants blockiert.
|
||||
t, err := r.registry.GetBySlug(ctx, tenantSlug)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("%w: %s", ErrUnknownTenant, tenantSlug)
|
||||
}
|
||||
|
||||
pool, err := pgxpool.New(ctx, t.DBDSN)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("verbindung zu tenant %q aufbauen: %w", tenantSlug, err)
|
||||
}
|
||||
|
||||
r.mu.Lock()
|
||||
defer r.mu.Unlock()
|
||||
|
||||
// Zwischen Unlock oben und hier koennte ein paralleler Aufruf denselben
|
||||
// Tenant bereits eingefuegt haben — dann die eigene, ueberzaehlige
|
||||
// Verbindung wieder schliessen und die vorhandene verwenden.
|
||||
if el, ok := r.items[tenantSlug]; ok {
|
||||
r.order.MoveToFront(el)
|
||||
existing := el.Value.(*routerEntry).pool
|
||||
pool.Close()
|
||||
return existing, nil
|
||||
}
|
||||
|
||||
el := r.order.PushFront(&routerEntry{slug: tenantSlug, pool: pool})
|
||||
r.items[tenantSlug] = el
|
||||
|
||||
if r.order.Len() > r.maxOpen {
|
||||
r.evictOldest()
|
||||
}
|
||||
|
||||
return pool, nil
|
||||
}
|
||||
|
||||
// evictOldest schliesst den am laengsten nicht genutzten Pool. Muss mit
|
||||
// gehaltenem r.mu aufgerufen werden.
|
||||
func (r *Router) evictOldest() {
|
||||
oldest := r.order.Back()
|
||||
if oldest == nil {
|
||||
return
|
||||
}
|
||||
entry := oldest.Value.(*routerEntry)
|
||||
r.order.Remove(oldest)
|
||||
delete(r.items, entry.slug)
|
||||
entry.pool.Close()
|
||||
}
|
||||
|
||||
// OpenCount liefert die aktuelle Zahl offen gehaltener Tenant-Pools —
|
||||
// dient Tests/Monitoring, um AC2 nachzuweisen.
|
||||
func (r *Router) OpenCount() int {
|
||||
r.mu.Lock()
|
||||
defer r.mu.Unlock()
|
||||
return r.order.Len()
|
||||
}
|
||||
|
||||
// Close schliesst alle offen gehaltenen Tenant-Pools, z.B. beim
|
||||
// Herunterfahren des Core-Prozesses.
|
||||
func (r *Router) Close() {
|
||||
r.mu.Lock()
|
||||
defer r.mu.Unlock()
|
||||
for el := r.order.Front(); el != nil; el = el.Next() {
|
||||
el.Value.(*routerEntry).pool.Close()
|
||||
}
|
||||
r.order.Init()
|
||||
r.items = make(map[string]*list.Element)
|
||||
}
|
||||
@@ -0,0 +1,160 @@
|
||||
package tenant
|
||||
|
||||
import (
|
||||
"context"
|
||||
"errors"
|
||||
"fmt"
|
||||
"os"
|
||||
"strings"
|
||||
"testing"
|
||||
|
||||
"github.com/jackc/pgx/v5/pgxpool"
|
||||
)
|
||||
|
||||
func newTestRouterSetup(t *testing.T, tenantCount int) (*Router, []Tenant, func()) {
|
||||
t.Helper()
|
||||
adminDSN := os.Getenv("TEST_ADMIN_DSN")
|
||||
if adminDSN == "" {
|
||||
t.Skip("TEST_ADMIN_DSN nicht gesetzt, Integrationstest uebersprungen")
|
||||
}
|
||||
ctx := context.Background()
|
||||
|
||||
adminPool, err := pgxpool.New(ctx, adminDSN)
|
||||
if err != nil {
|
||||
t.Fatalf("admin pool: %v", err)
|
||||
}
|
||||
registryPool, err := pgxpool.New(ctx, adminDSN)
|
||||
if err != nil {
|
||||
t.Fatalf("registry pool: %v", err)
|
||||
}
|
||||
if _, err := registryPool.Exec(ctx, `
|
||||
CREATE TABLE IF NOT EXISTS tenants (
|
||||
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
|
||||
slug TEXT NOT NULL UNIQUE,
|
||||
name TEXT NOT NULL,
|
||||
db_name TEXT NOT NULL UNIQUE,
|
||||
db_dsn TEXT NOT NULL,
|
||||
status TEXT NOT NULL DEFAULT 'active',
|
||||
created_at TIMESTAMPTZ NOT NULL DEFAULT now()
|
||||
)`); err != nil {
|
||||
t.Fatalf("registry-schema: %v", err)
|
||||
}
|
||||
|
||||
registry := NewRegistry(registryPool)
|
||||
dsnTemplate := strings.Replace(adminDSN, "/postgres?", "/%s?", 1)
|
||||
provisioner := NewProvisioner(adminPool, registry, dsnTemplate)
|
||||
|
||||
var tenants []Tenant
|
||||
var slugs []string
|
||||
for i := 0; i < tenantCount; i++ {
|
||||
slug := fmt.Sprintf("router_t%d", i)
|
||||
slugs = append(slugs, slug)
|
||||
tn, err := provisioner.Provision(ctx, slug, slug)
|
||||
if err != nil {
|
||||
t.Fatalf("provision %s: %v", slug, err)
|
||||
}
|
||||
tenants = append(tenants, tn)
|
||||
}
|
||||
|
||||
router := NewRouter(registry, 2) // klein gewaehlt, um Eviction im Test zu erzwingen
|
||||
|
||||
cleanup := func() {
|
||||
router.Close()
|
||||
for _, slug := range slugs {
|
||||
_, _ = adminPool.Exec(ctx, fmt.Sprintf(`DROP DATABASE IF EXISTS %q`, dbNameForSlug(slug)))
|
||||
}
|
||||
_, _ = registryPool.Exec(ctx, `DELETE FROM tenants WHERE slug = ANY($1)`, slugs)
|
||||
registryPool.Close()
|
||||
adminPool.Close()
|
||||
}
|
||||
return router, tenants, cleanup
|
||||
}
|
||||
|
||||
// Akzeptanzkriterium 1: Verbindung wird zuverlaessig anhand des Tenant-Kontexts aufgeloest.
|
||||
func TestRouter_ResolvesCorrectTenantDatabase(t *testing.T) {
|
||||
router, tenants, cleanup := newTestRouterSetup(t, 2)
|
||||
defer cleanup()
|
||||
ctx := context.Background()
|
||||
|
||||
pool, err := router.Resolve(ctx, tenants[0].Slug)
|
||||
if err != nil {
|
||||
t.Fatalf("resolve: %v", err)
|
||||
}
|
||||
var dbName string
|
||||
if err := pool.QueryRow(ctx, `SELECT current_database()`).Scan(&dbName); err != nil {
|
||||
t.Fatalf("current_database: %v", err)
|
||||
}
|
||||
if dbName != tenants[0].DBName {
|
||||
t.Fatalf("current_database() = %q, want %q", dbName, tenants[0].DBName)
|
||||
}
|
||||
}
|
||||
|
||||
// Akzeptanzkriterium 3 + Pruefung 2: fehlender/unbekannter Tenant-Kontext
|
||||
// wird explizit abgewiesen statt irgendeine Verbindung zu liefern.
|
||||
func TestRouter_RejectsMissingOrUnknownTenant(t *testing.T) {
|
||||
router, _, cleanup := newTestRouterSetup(t, 1)
|
||||
defer cleanup()
|
||||
ctx := context.Background()
|
||||
|
||||
if _, err := router.Resolve(ctx, ""); !errors.Is(err, ErrMissingTenantContext) {
|
||||
t.Fatalf("erwartet ErrMissingTenantContext, habe %v", err)
|
||||
}
|
||||
if _, err := router.Resolve(ctx, "nie-registrierter-slug"); !errors.Is(err, ErrUnknownTenant) {
|
||||
t.Fatalf("erwartet ErrUnknownTenant, habe %v", err)
|
||||
}
|
||||
}
|
||||
|
||||
// Akzeptanzkriterium 2 + Pruefung 3: Verbindungswiederverwendung nachweislich
|
||||
// gemessen — zweiter Resolve-Aufruf liefert exakt denselben Pool, kein
|
||||
// erneuter Verbindungsaufbau.
|
||||
func TestRouter_ReusesConnectionForSameTenant(t *testing.T) {
|
||||
router, tenants, cleanup := newTestRouterSetup(t, 1)
|
||||
defer cleanup()
|
||||
ctx := context.Background()
|
||||
|
||||
first, err := router.Resolve(ctx, tenants[0].Slug)
|
||||
if err != nil {
|
||||
t.Fatalf("resolve 1: %v", err)
|
||||
}
|
||||
second, err := router.Resolve(ctx, tenants[0].Slug)
|
||||
if err != nil {
|
||||
t.Fatalf("resolve 2: %v", err)
|
||||
}
|
||||
if first != second {
|
||||
t.Fatal("erwartet identische pool-instanz bei wiederholtem resolve, habe unterschiedliche")
|
||||
}
|
||||
}
|
||||
|
||||
// Akzeptanzkriterium 2 + Pruefung 1: Lasttest mit mehr simulierten Mandanten
|
||||
// als maxOpen — die Zahl gleichzeitig offener Tenant-Pools bleibt begrenzt
|
||||
// (LRU-Eviction), waechst also NICHT linear mit der Mandantenzahl.
|
||||
func TestRouter_BoundsOpenConnectionsUnderLoad(t *testing.T) {
|
||||
const tenantCount = 6
|
||||
router, tenants, cleanup := newTestRouterSetup(t, tenantCount)
|
||||
defer cleanup()
|
||||
ctx := context.Background()
|
||||
|
||||
for _, tn := range tenants {
|
||||
if _, err := router.Resolve(ctx, tn.Slug); err != nil {
|
||||
t.Fatalf("resolve %s: %v", tn.Slug, err)
|
||||
}
|
||||
if router.OpenCount() > 2 {
|
||||
t.Fatalf("OpenCount() = %d, erwartet <= maxOpen (2) nach jedem Resolve", router.OpenCount())
|
||||
}
|
||||
}
|
||||
|
||||
if router.OpenCount() != 2 {
|
||||
t.Fatalf("erwartet genau maxOpen=2 offene pools nach %d tenants, habe %d", tenantCount, router.OpenCount())
|
||||
}
|
||||
|
||||
// Evictete Tenants sind wieder ganz normal ueber die Registry aufloesbar
|
||||
// (Cache-Miss fuehrt zu neuem, funktionierendem Pool, kein Fehlerzustand).
|
||||
pool, err := router.Resolve(ctx, tenants[0].Slug)
|
||||
if err != nil {
|
||||
t.Fatalf("resolve nach eviction: %v", err)
|
||||
}
|
||||
var one int
|
||||
if err := pool.QueryRow(ctx, `SELECT 1`).Scan(&one); err != nil {
|
||||
t.Fatalf("query nach re-resolve: %v", err)
|
||||
}
|
||||
}
|
||||
@@ -1,2 +0,0 @@
|
||||
DROP TABLE IF EXISTS config_value_history;
|
||||
DROP TABLE IF EXISTS config_values;
|
||||
@@ -1,23 +0,0 @@
|
||||
-- Zentraler Konfigurationsdienst (CFG-01, siehe core-kanban/tickets/CFG-01.md).
|
||||
-- scope = 'global' fuer globale Defaults, sonst der Tenant-Slug. config_values
|
||||
-- haelt den AKTUELLEN Stand je (key, scope); config_value_history haelt JEDE
|
||||
-- Aenderung fest (Akzeptanzkriterium 2: versioniert nachvollziehbar).
|
||||
CREATE TABLE config_values (
|
||||
key TEXT NOT NULL,
|
||||
scope TEXT NOT NULL CHECK (scope <> ''),
|
||||
value TEXT NOT NULL,
|
||||
version INT NOT NULL,
|
||||
updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
|
||||
PRIMARY KEY (key, scope)
|
||||
);
|
||||
|
||||
CREATE TABLE config_value_history (
|
||||
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
|
||||
key TEXT NOT NULL,
|
||||
scope TEXT NOT NULL,
|
||||
value TEXT NOT NULL,
|
||||
version INT NOT NULL,
|
||||
changed_at TIMESTAMPTZ NOT NULL DEFAULT now()
|
||||
);
|
||||
|
||||
CREATE INDEX config_value_history_key_scope_idx ON config_value_history (key, scope, version);
|
||||
@@ -1,26 +0,0 @@
|
||||
#!/usr/bin/env bash
|
||||
# Setzt die nexarch-Testumgebung zurueck: loescht die geteilte
|
||||
# Registry-Tabelle "tenants" in der postgres-Wartungsdatenbank sowie alle
|
||||
# tenant_*-Datenbanken. Noetig, weil verschiedene Feature-Branches
|
||||
# unterschiedliche Registry-Schemata erwarten, aber dieselbe physische
|
||||
# Postgres-Instanz auf dem Testhost teilen (siehe [[project-nexarch-test-infra]]).
|
||||
#
|
||||
# Aufruf: NEXARCH_TEST_DB_PASSWORD=... ./scripts/reset-test-env.sh
|
||||
set -euo pipefail
|
||||
|
||||
PASS="${NEXARCH_TEST_DB_PASSWORD:?Setze NEXARCH_TEST_DB_PASSWORD vor dem Aufruf}"
|
||||
ROLE="nexarch_test"
|
||||
|
||||
export PGPASSWORD="$PASS"
|
||||
|
||||
psql -h localhost -U "$ROLE" -d postgres -v ON_ERROR_STOP=1 -c "DROP TABLE IF EXISTS tenants CASCADE;"
|
||||
psql -h localhost -U "$ROLE" -d postgres -v ON_ERROR_STOP=1 -c "DROP TABLE IF EXISTS audit_events CASCADE;"
|
||||
psql -h localhost -U "$ROLE" -d postgres -v ON_ERROR_STOP=1 -c "DROP TABLE IF EXISTS config_value_history CASCADE;"
|
||||
psql -h localhost -U "$ROLE" -d postgres -v ON_ERROR_STOP=1 -c "DROP TABLE IF EXISTS config_values CASCADE;"
|
||||
|
||||
dbs=$(psql -h localhost -U "$ROLE" -d postgres -tAc "SELECT datname FROM pg_database WHERE datname LIKE 'tenant\_%' ESCAPE '\'")
|
||||
for db in $dbs; do
|
||||
psql -h localhost -U "$ROLE" -d postgres -v ON_ERROR_STOP=1 -c "DROP DATABASE IF EXISTS \"${db}\";"
|
||||
done
|
||||
|
||||
echo "Testumgebung zurueckgesetzt: registry-tabelle + $(echo "$dbs" | grep -c . || true) tenant-datenbank(en) entfernt."
|
||||
@@ -1,24 +0,0 @@
|
||||
#!/usr/bin/env bash
|
||||
# Ein-Kommando-Pruefung fuer den aktuellen Code-Stand auf dem Testhost:
|
||||
# Registry+Tenant-DBs zuruecksetzen, dann build/vet/test in einem Rutsch.
|
||||
# -p 1 ist Pflicht, da mehrere Pakete dieselbe physische Registry-Tabelle auf
|
||||
# dem Testhost teilen (siehe [[project-nexarch-test-infra]]).
|
||||
#
|
||||
# Aufruf: NEXARCH_TEST_DB_PASSWORD=... ./scripts/run-checks.sh
|
||||
set -euo pipefail
|
||||
|
||||
PASS="${NEXARCH_TEST_DB_PASSWORD:?Setze NEXARCH_TEST_DB_PASSWORD vor dem Aufruf}"
|
||||
cd "$(dirname "$0")/.."
|
||||
|
||||
NEXARCH_TEST_DB_PASSWORD="$PASS" bash scripts/reset-test-env.sh
|
||||
|
||||
export TEST_ADMIN_DSN="postgresql://nexarch_test:${PASS}@localhost:5432/postgres?sslmode=disable"
|
||||
|
||||
echo "== go build =="
|
||||
go build ./...
|
||||
|
||||
echo "== go vet =="
|
||||
go vet ./...
|
||||
|
||||
echo "== go test (-p 1) =="
|
||||
go test ./... -p 1 -count=1
|
||||
Reference in New Issue
Block a user