Compare commits
1
Commits
| Author | SHA1 | Date | |
|---|---|---|---|
 sysopsandClaude Sonnet 5
|
45bc10719a |
@@ -1,87 +0,0 @@
|
||||
// Package flag implementiert Core LIC-02: einen Feature-Flag-Dienst mit
|
||||
// Strategien (global an/aus, Prozentsatz, Tenant-Zielgruppe) als Kernfunktion
|
||||
// des Core-Dienstes selbst — keine zusaetzliche Infrastruktur (Unleash-Server
|
||||
// + eigene DB), siehe "bewusst vermeiden" im LIC-02-Ticket.
|
||||
package flag
|
||||
|
||||
import (
|
||||
"context"
|
||||
"errors"
|
||||
"fmt"
|
||||
"hash/fnv"
|
||||
|
||||
"github.com/jackc/pgx/v5"
|
||||
"github.com/jackc/pgx/v5/pgxpool"
|
||||
)
|
||||
|
||||
var ErrNotFound = errors.New("flag: nicht gefunden")
|
||||
|
||||
// Flag ist die zentrale Definition — Auswertung (Evaluate) ist bewusst davon
|
||||
// getrennt (Unleash-Prinzip: Flag-Verwaltung vs. Flag-Auswertung).
|
||||
type Flag struct {
|
||||
Key string
|
||||
Enabled bool
|
||||
RolloutPercentage int
|
||||
TargetTenantSlugs []string
|
||||
}
|
||||
|
||||
// Store ist die Verwaltungsseite (Admin): Flags definieren/lesen.
|
||||
type Store struct {
|
||||
pool *pgxpool.Pool
|
||||
}
|
||||
|
||||
func NewStore(pool *pgxpool.Pool) *Store {
|
||||
return &Store{pool: pool}
|
||||
}
|
||||
|
||||
func (s *Store) Set(ctx context.Context, f Flag) error {
|
||||
if f.TargetTenantSlugs == nil {
|
||||
f.TargetTenantSlugs = []string{} // pgx uebertraegt ein nil-Slice sonst als SQL NULL statt leerem Array.
|
||||
}
|
||||
_, err := s.pool.Exec(ctx, `
|
||||
INSERT INTO feature_flags (key, enabled, rollout_percentage, target_tenant_slugs, updated_at)
|
||||
VALUES ($1, $2, $3, $4, now())
|
||||
ON CONFLICT (key) DO UPDATE SET
|
||||
enabled = $2, rollout_percentage = $3, target_tenant_slugs = $4, updated_at = now()
|
||||
`, f.Key, f.Enabled, f.RolloutPercentage, f.TargetTenantSlugs)
|
||||
if err != nil {
|
||||
return fmt.Errorf("flag speichern: %w", err)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (s *Store) Get(ctx context.Context, key string) (Flag, error) {
|
||||
var f Flag
|
||||
row := s.pool.QueryRow(ctx, `
|
||||
SELECT key, enabled, rollout_percentage, target_tenant_slugs
|
||||
FROM feature_flags WHERE key = $1
|
||||
`, key)
|
||||
if err := row.Scan(&f.Key, &f.Enabled, &f.RolloutPercentage, &f.TargetTenantSlugs); err != nil {
|
||||
if errors.Is(err, pgx.ErrNoRows) {
|
||||
return Flag{}, ErrNotFound
|
||||
}
|
||||
return Flag{}, fmt.Errorf("flag lesen: %w", err)
|
||||
}
|
||||
return f, nil
|
||||
}
|
||||
|
||||
// evaluate wendet die Strategien in fester Reihenfolge an: globaler
|
||||
// An/Aus-Schalter zuerst, dann Tenant-Zielgruppe, dann Prozentsatz-Rollout.
|
||||
// Ein unbekannter/nicht getroffener Fall ergibt false — Fail-Safe-Default,
|
||||
// kein Feature wird versehentlich aktiv.
|
||||
func evaluate(f Flag, tenantSlug string) bool {
|
||||
if f.Enabled {
|
||||
return true
|
||||
}
|
||||
for _, target := range f.TargetTenantSlugs {
|
||||
if target == tenantSlug {
|
||||
return true
|
||||
}
|
||||
}
|
||||
if f.RolloutPercentage > 0 {
|
||||
h := fnv.New32a()
|
||||
_, _ = h.Write([]byte(f.Key + "|" + tenantSlug))
|
||||
return int(h.Sum32()%100) < f.RolloutPercentage
|
||||
}
|
||||
return false
|
||||
}
|
||||
@@ -1,43 +0,0 @@
|
||||
package flag
|
||||
|
||||
import "testing"
|
||||
|
||||
func TestEvaluate_GlobalEnabled(t *testing.T) {
|
||||
f := Flag{Key: "k", Enabled: true}
|
||||
if !evaluate(f, "irgendein-tenant") {
|
||||
t.Fatal("global aktiviertes flag sollte fuer jeden tenant true liefern")
|
||||
}
|
||||
}
|
||||
|
||||
// Akzeptanzkriterium 1 + Pruefung 2: Zielgruppen-Strategie.
|
||||
func TestEvaluate_TargetTenantStrategy(t *testing.T) {
|
||||
f := Flag{Key: "k", Enabled: false, TargetTenantSlugs: []string{"acme"}}
|
||||
if !evaluate(f, "acme") {
|
||||
t.Fatal("erwartet true fuer tenant in zielgruppe")
|
||||
}
|
||||
if evaluate(f, "globex") {
|
||||
t.Fatal("erwartet false fuer tenant ausserhalb der zielgruppe")
|
||||
}
|
||||
}
|
||||
|
||||
func TestEvaluate_RolloutPercentageBoundaries(t *testing.T) {
|
||||
full := Flag{Key: "k", RolloutPercentage: 100}
|
||||
if !evaluate(full, "beliebiger-tenant-1") || !evaluate(full, "beliebiger-tenant-2") {
|
||||
t.Fatal("100% rollout sollte immer true liefern")
|
||||
}
|
||||
|
||||
none := Flag{Key: "k", RolloutPercentage: 0}
|
||||
if evaluate(none, "beliebiger-tenant") {
|
||||
t.Fatal("0% rollout ohne enabled/zielgruppe sollte false liefern")
|
||||
}
|
||||
}
|
||||
|
||||
func TestEvaluate_RolloutIsDeterministicPerTenant(t *testing.T) {
|
||||
f := Flag{Key: "k", RolloutPercentage: 50}
|
||||
first := evaluate(f, "stabiler-tenant")
|
||||
for i := 0; i < 5; i++ {
|
||||
if evaluate(f, "stabiler-tenant") != first {
|
||||
t.Fatal("rollout-auswertung sollte fuer denselben tenant/key stabil sein")
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -1,87 +0,0 @@
|
||||
package flag
|
||||
|
||||
import (
|
||||
"context"
|
||||
"log/slog"
|
||||
"sync"
|
||||
"time"
|
||||
)
|
||||
|
||||
// DefaultCacheTTL ist die dokumentierte Cache-Invalidierungszeit
|
||||
// (Akzeptanzkriterium 2/3): eine Aenderung wirkt spaetestens nach dieser
|
||||
// Zeit auf allen Core-Instanzen, ohne dass ein Dienst neu gestartet werden
|
||||
// muss (Akzeptanzkriterium 3).
|
||||
const DefaultCacheTTL = 5 * time.Second
|
||||
|
||||
type cacheEntry struct {
|
||||
flag Flag
|
||||
expiresAt time.Time
|
||||
}
|
||||
|
||||
// Service ist die Auswertungsseite (SDK/Client-Analogon zu Unleash) mit
|
||||
// lokalem TTL-Cache. Bewusst getrennt von Store (Verwaltung).
|
||||
type Service struct {
|
||||
store *Store
|
||||
ttl time.Duration
|
||||
|
||||
mu sync.RWMutex
|
||||
cache map[string]cacheEntry
|
||||
}
|
||||
|
||||
func NewService(store *Store, ttl time.Duration) *Service {
|
||||
if ttl <= 0 {
|
||||
ttl = DefaultCacheTTL
|
||||
}
|
||||
return &Service{store: store, ttl: ttl, cache: make(map[string]cacheEntry)}
|
||||
}
|
||||
|
||||
// IsEnabled wertet ein Flag fuer einen Tenant aus. Liefert IMMER einen
|
||||
// bool ohne Fehlerwert — ein nicht erreichbarer Flag-Dienst darf abhaengige
|
||||
// Aufrufer nicht zum Absturz bringen oder zu Fehlerbehandlungscode zwingen,
|
||||
// der leicht vergessen wird (Akzeptanzkriterium 3 / Pruefung 3: dokumentiertes
|
||||
// Fallback-Verhalten = false, ggf. aus dem zuletzt bekannten Zwischenspeicher).
|
||||
func (s *Service) IsEnabled(ctx context.Context, tenantSlug, key string) bool {
|
||||
f, ok := s.resolve(ctx, key)
|
||||
if !ok {
|
||||
return false
|
||||
}
|
||||
return evaluate(f, tenantSlug)
|
||||
}
|
||||
|
||||
func (s *Service) resolve(ctx context.Context, key string) (Flag, bool) {
|
||||
s.mu.RLock()
|
||||
entry, exists := s.cache[key]
|
||||
fresh := exists && time.Now().Before(entry.expiresAt)
|
||||
s.mu.RUnlock()
|
||||
if fresh {
|
||||
return entry.flag, true
|
||||
}
|
||||
|
||||
f, err := s.store.Get(ctx, key)
|
||||
if err != nil {
|
||||
if exists {
|
||||
slog.Warn("feature-flag-dienst nicht erreichbar, nutze zwischengespeicherten stand",
|
||||
"flag_key", key, "error", err)
|
||||
return entry.flag, true
|
||||
}
|
||||
slog.Warn("feature-flag-dienst nicht erreichbar, kein zwischengespeicherter stand vorhanden, fallback: deaktiviert",
|
||||
"flag_key", key, "error", err)
|
||||
return Flag{}, false
|
||||
}
|
||||
|
||||
s.mu.Lock()
|
||||
s.cache[key] = cacheEntry{flag: f, expiresAt: time.Now().Add(s.ttl)}
|
||||
s.mu.Unlock()
|
||||
return f, true
|
||||
}
|
||||
|
||||
// Invalidate erzwingt beim naechsten IsEnabled-Aufruf ein sofortiges Neuladen
|
||||
// aus der Datenbank statt auf den TTL-Ablauf zu warten — wird nach Store.Set
|
||||
// auf derselben Instanz aufgerufen, damit der Schreiber die eigene Aenderung
|
||||
// ohne Wartezeit sieht. Andere Core-Instanzen sehen sie spaetestens nach
|
||||
// DefaultCacheTTL (siehe Akzeptanzkriterium 3).
|
||||
func (s *Service) Invalidate(key string) {
|
||||
s.mu.Lock()
|
||||
delete(s.cache, key)
|
||||
s.mu.Unlock()
|
||||
}
|
||||
@@ -1,179 +0,0 @@
|
||||
package flag
|
||||
|
||||
import (
|
||||
"context"
|
||||
"os"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/jackc/pgx/v5/pgxpool"
|
||||
)
|
||||
|
||||
func setupFlagStoreTest(t *testing.T) (*Store, func()) {
|
||||
t.Helper()
|
||||
adminDSN := os.Getenv("TEST_ADMIN_DSN")
|
||||
if adminDSN == "" {
|
||||
t.Skip("TEST_ADMIN_DSN nicht gesetzt, Integrationstest uebersprungen")
|
||||
}
|
||||
ctx := context.Background()
|
||||
|
||||
pool, err := pgxpool.New(ctx, adminDSN)
|
||||
if err != nil {
|
||||
t.Fatalf("pool: %v", err)
|
||||
}
|
||||
if _, err := pool.Exec(ctx, `
|
||||
CREATE TABLE IF NOT EXISTS feature_flags (
|
||||
key TEXT PRIMARY KEY,
|
||||
enabled BOOLEAN NOT NULL DEFAULT false,
|
||||
rollout_percentage INT NOT NULL DEFAULT 0,
|
||||
target_tenant_slugs TEXT[] NOT NULL DEFAULT '{}',
|
||||
updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
|
||||
)`); err != nil {
|
||||
t.Fatalf("schema: %v", err)
|
||||
}
|
||||
|
||||
cleanup := func() {
|
||||
_, _ = pool.Exec(ctx, `DELETE FROM feature_flags WHERE key LIKE 'test\_%' ESCAPE '\'`)
|
||||
pool.Close()
|
||||
}
|
||||
return NewStore(pool), cleanup
|
||||
}
|
||||
|
||||
// Akzeptanzkriterium 1 + Pruefung 2: Zielgruppen-Strategie liefert im Test
|
||||
// die erwartete Auswertung.
|
||||
func TestService_TargetTenantStrategy(t *testing.T) {
|
||||
store, cleanup := setupFlagStoreTest(t)
|
||||
defer cleanup()
|
||||
ctx := context.Background()
|
||||
|
||||
if err := store.Set(ctx, Flag{Key: "test_target_flag", TargetTenantSlugs: []string{"acme"}}); err != nil {
|
||||
t.Fatalf("set: %v", err)
|
||||
}
|
||||
svc := NewService(store, time.Hour)
|
||||
|
||||
if !svc.IsEnabled(ctx, "acme", "test_target_flag") {
|
||||
t.Fatal("erwartet true fuer tenant in zielgruppe")
|
||||
}
|
||||
if svc.IsEnabled(ctx, "globex", "test_target_flag") {
|
||||
t.Fatal("erwartet false fuer tenant ausserhalb der zielgruppe")
|
||||
}
|
||||
}
|
||||
|
||||
// Akzeptanzkriterium 2 + 3 + Pruefung 1: Flag-Aenderung wirkt innerhalb der
|
||||
// dokumentierten Cache-Invalidierungszeit, automatisiert gemessen.
|
||||
func TestService_CacheInvalidationTiming(t *testing.T) {
|
||||
store, cleanup := setupFlagStoreTest(t)
|
||||
defer cleanup()
|
||||
ctx := context.Background()
|
||||
|
||||
const ttl = 150 * time.Millisecond
|
||||
if err := store.Set(ctx, Flag{Key: "test_ttl_flag", Enabled: false}); err != nil {
|
||||
t.Fatalf("set: %v", err)
|
||||
}
|
||||
svc := NewService(store, ttl)
|
||||
|
||||
if svc.IsEnabled(ctx, "acme", "test_ttl_flag") {
|
||||
t.Fatal("erwartet false vor der aenderung")
|
||||
}
|
||||
|
||||
// Aenderung "auf einer anderen instanz" simulieren: direkt ueber den
|
||||
// Store, ohne svc.Invalidate aufzurufen.
|
||||
changedAt := time.Now()
|
||||
if err := store.Set(ctx, Flag{Key: "test_ttl_flag", Enabled: true}); err != nil {
|
||||
t.Fatalf("set: %v", err)
|
||||
}
|
||||
|
||||
// Sofort danach sollte der Cache noch den alten Stand liefern.
|
||||
if svc.IsEnabled(ctx, "acme", "test_ttl_flag") {
|
||||
t.Fatal("cache haette den alten (false) stand liefern sollen, direkt nach der aenderung")
|
||||
}
|
||||
|
||||
deadline := changedAt.Add(ttl + 100*time.Millisecond)
|
||||
for time.Now().Before(deadline) {
|
||||
if svc.IsEnabled(ctx, "acme", "test_ttl_flag") {
|
||||
elapsed := time.Since(changedAt)
|
||||
t.Logf("aenderung wurde nach %s wirksam (ziel: innerhalb %s + toleranz)", elapsed, ttl)
|
||||
return
|
||||
}
|
||||
time.Sleep(10 * time.Millisecond)
|
||||
}
|
||||
t.Fatalf("aenderung wurde nicht innerhalb von %s wirksam", deadline.Sub(changedAt))
|
||||
}
|
||||
|
||||
func TestService_InvalidateForcesImmediateRefresh(t *testing.T) {
|
||||
store, cleanup := setupFlagStoreTest(t)
|
||||
defer cleanup()
|
||||
ctx := context.Background()
|
||||
|
||||
if err := store.Set(ctx, Flag{Key: "test_invalidate_flag", Enabled: false}); err != nil {
|
||||
t.Fatalf("set: %v", err)
|
||||
}
|
||||
svc := NewService(store, time.Hour) // lange TTL, damit Invalidate den unterschied macht
|
||||
_ = svc.IsEnabled(ctx, "acme", "test_invalidate_flag")
|
||||
|
||||
if err := store.Set(ctx, Flag{Key: "test_invalidate_flag", Enabled: true}); err != nil {
|
||||
t.Fatalf("set: %v", err)
|
||||
}
|
||||
svc.Invalidate("test_invalidate_flag")
|
||||
|
||||
if !svc.IsEnabled(ctx, "acme", "test_invalidate_flag") {
|
||||
t.Fatal("erwartet sofort sichtbaren neuen stand nach Invalidate")
|
||||
}
|
||||
}
|
||||
|
||||
// Akzeptanzkriterium 3 + Pruefung 3: Ausfall des Flag-Dienstes fuehrt zu
|
||||
// dokumentiertem Fallback-Verhalten, nicht zum Absturz.
|
||||
func TestService_FallsBackOnStoreFailure(t *testing.T) {
|
||||
store, cleanup := setupFlagStoreTest(t)
|
||||
defer cleanup()
|
||||
ctx := context.Background()
|
||||
|
||||
if err := store.Set(ctx, Flag{Key: "test_fallback_flag", Enabled: true}); err != nil {
|
||||
t.Fatalf("set: %v", err)
|
||||
}
|
||||
svc := NewService(store, time.Hour)
|
||||
|
||||
// Cache vorwaermen, waehrend die DB noch erreichbar ist.
|
||||
if !svc.IsEnabled(ctx, "acme", "test_fallback_flag") {
|
||||
t.Fatal("erwartet true bei funktionierender db")
|
||||
}
|
||||
|
||||
brokenPool, err := pgxpool.New(ctx, "postgresql://nonexistent-host-fuer-test:5432/x?connect_timeout=1")
|
||||
if err != nil {
|
||||
t.Fatalf("broken pool erstellen (sollte nicht sofort verbinden): %v", err)
|
||||
}
|
||||
brokenStore := NewStore(brokenPool)
|
||||
|
||||
svcWithCache := NewService(brokenStore, time.Nanosecond) // TTL sofort abgelaufen, erzwingt reload-versuch
|
||||
svcWithCache.mu.Lock()
|
||||
svcWithCache.cache["test_fallback_flag"] = cacheEntry{
|
||||
flag: Flag{Key: "test_fallback_flag", Enabled: true},
|
||||
expiresAt: time.Now().Add(-time.Hour), // bereits abgelaufen
|
||||
}
|
||||
svcWithCache.mu.Unlock()
|
||||
|
||||
func() {
|
||||
defer func() {
|
||||
if r := recover(); r != nil {
|
||||
t.Fatalf("IsEnabled hat gepanict statt einen fallback zu liefern: %v", r)
|
||||
}
|
||||
}()
|
||||
if !svcWithCache.IsEnabled(ctx, "acme", "test_fallback_flag") {
|
||||
t.Fatal("erwartet fallback auf zwischengespeicherten (true) stand bei db-ausfall")
|
||||
}
|
||||
}()
|
||||
|
||||
// Voellig frischer Dienst ohne jeglichen cache + kaputte db -> sicherer
|
||||
// default false, kein absturz.
|
||||
freshSvc := NewService(brokenStore, time.Hour)
|
||||
func() {
|
||||
defer func() {
|
||||
if r := recover(); r != nil {
|
||||
t.Fatalf("IsEnabled hat gepanict: %v", r)
|
||||
}
|
||||
}()
|
||||
if freshSvc.IsEnabled(ctx, "acme", "test_fallback_flag") {
|
||||
t.Fatal("erwartet fail-safe false ohne cache und mit kaputter db")
|
||||
}
|
||||
}()
|
||||
}
|
||||
@@ -1,25 +0,0 @@
|
||||
package health
|
||||
|
||||
import (
|
||||
"context"
|
||||
|
||||
"github.com/jackc/pgx/v5/pgxpool"
|
||||
)
|
||||
|
||||
// DatabaseChecker prueft die tatsaechliche Erreichbarkeit der Datenbank
|
||||
// (Ping) — nicht nur, ob der Pool existiert.
|
||||
func DatabaseChecker(pool *pgxpool.Pool) CheckerFunc {
|
||||
return func(ctx context.Context) error {
|
||||
return pool.Ping(ctx)
|
||||
}
|
||||
}
|
||||
|
||||
// QueueChecker prueft, dass die Postgres-basierte Job-Queue (siehe CFG-02)
|
||||
// tatsaechlich abfragbar ist — eine eigene, benannte Abhaengigkeit neben der
|
||||
// reinen DB-Erreichbarkeit (Akzeptanzkriterium 1).
|
||||
func QueueChecker(pool *pgxpool.Pool) CheckerFunc {
|
||||
return func(ctx context.Context) error {
|
||||
_, err := pool.Exec(ctx, `SELECT 1`)
|
||||
return err
|
||||
}
|
||||
}
|
||||
@@ -1,49 +0,0 @@
|
||||
package health
|
||||
|
||||
import (
|
||||
"encoding/json"
|
||||
"net/http"
|
||||
)
|
||||
|
||||
// LivenessHandler beantwortet IMMER "lebt", solange der Prozess ueberhaupt
|
||||
// HTTP-Anfragen verarbeiten kann — prueft bewusst KEINE externen
|
||||
// Abhaengigkeiten (Akzeptanzkriterium 2: Liveness und Readiness getrennt).
|
||||
// Ein Datenbankausfall darf die Liveness nicht auf "tot" setzen, sonst
|
||||
// wuerde eine Orchestrierung (z.B. systemd/Kubernetes) den Prozess grundlos
|
||||
// neu starten, obwohl nur eine Abhaengigkeit ausgefallen ist.
|
||||
func LivenessHandler(w http.ResponseWriter, r *http.Request) {
|
||||
writeStatus(w, http.StatusOK, map[string]any{"status": "alive"})
|
||||
}
|
||||
|
||||
// ReadinessHandler prueft ALLE registrierten Abhaengigkeiten
|
||||
// (Akzeptanzkriterium 1) und liefert 503, sobald eine davon fehlschlaegt
|
||||
// (Akzeptanzkriterium 3) — unterscheidet sich damit nachweislich von
|
||||
// LivenessHandler im Fehlerfall (Akzeptanzkriterium 2 / Pruefung 3).
|
||||
func (r *Registry) ReadinessHandler() http.HandlerFunc {
|
||||
return func(w http.ResponseWriter, req *http.Request) {
|
||||
ready, results := r.CheckAll(req.Context())
|
||||
|
||||
body := map[string]any{
|
||||
"status": statusText(ready),
|
||||
"checks": results,
|
||||
}
|
||||
status := http.StatusOK
|
||||
if !ready {
|
||||
status = http.StatusServiceUnavailable
|
||||
}
|
||||
writeStatus(w, status, body)
|
||||
}
|
||||
}
|
||||
|
||||
func statusText(ready bool) string {
|
||||
if ready {
|
||||
return "ready"
|
||||
}
|
||||
return "not_ready"
|
||||
}
|
||||
|
||||
func writeStatus(w http.ResponseWriter, status int, body map[string]any) {
|
||||
w.Header().Set("Content-Type", "application/json")
|
||||
w.WriteHeader(status)
|
||||
_ = json.NewEncoder(w).Encode(body)
|
||||
}
|
||||
@@ -1,86 +0,0 @@
|
||||
// Package health implementiert Core OPS-01: Health-/Readiness-Endpunkte, die
|
||||
// echte Abhaengigkeiten (DB, Job-Queue) statt nur den Prozessstatus pruefen
|
||||
// — wiederverwendbar von Core UND jedem registrierten Modul (siehe API-02),
|
||||
// nicht nur von Core selbst.
|
||||
package health
|
||||
|
||||
import (
|
||||
"context"
|
||||
"time"
|
||||
)
|
||||
|
||||
// Checker prueft EINE Abhaengigkeit (z.B. Datenbank, Job-Queue).
|
||||
type Checker interface {
|
||||
Check(ctx context.Context) error
|
||||
}
|
||||
|
||||
type CheckerFunc func(ctx context.Context) error
|
||||
|
||||
func (f CheckerFunc) Check(ctx context.Context) error { return f(ctx) }
|
||||
|
||||
// DefaultCheckTimeout begrenzt, wie lange EIN einzelner Check maximal
|
||||
// dauern darf, bevor er als fehlgeschlagen gilt — verhindert, dass ein
|
||||
// haengender Check den gesamten Readiness-Endpunkt blockiert
|
||||
// (Akzeptanzkriterium 2 / Pruefung 2: Antwort innerhalb definierter Zeit).
|
||||
const DefaultCheckTimeout = 2 * time.Second
|
||||
|
||||
// Registry haelt alle benannten Checks eines Dienstes.
|
||||
type Registry struct {
|
||||
checks map[string]Checker
|
||||
timeout time.Duration
|
||||
}
|
||||
|
||||
func NewRegistry() *Registry {
|
||||
return &Registry{checks: make(map[string]Checker), timeout: DefaultCheckTimeout}
|
||||
}
|
||||
|
||||
func (r *Registry) WithTimeout(d time.Duration) *Registry {
|
||||
return &Registry{checks: r.checks, timeout: d}
|
||||
}
|
||||
|
||||
// Register fuegt einen benannten Check hinzu (z.B. "database", "queue").
|
||||
func (r *Registry) Register(name string, c Checker) {
|
||||
r.checks[name] = c
|
||||
}
|
||||
|
||||
// Result ist der Ausgang eines einzelnen Checks.
|
||||
type Result struct {
|
||||
OK bool
|
||||
Error string
|
||||
}
|
||||
|
||||
// CheckAll fuehrt alle registrierten Checks NEBENLAEUFIG mit je eigenem
|
||||
// Timeout aus (Akzeptanzkriterium 1: echte Abhaengigkeiten statt Prozess-
|
||||
// status) und liefert ready=false, sobald irgendein Check fehlschlaegt
|
||||
// (Akzeptanzkriterium 3: ein Ausfall wird sichtbar).
|
||||
func (r *Registry) CheckAll(ctx context.Context) (ready bool, results map[string]Result) {
|
||||
type namedResult struct {
|
||||
name string
|
||||
result Result
|
||||
}
|
||||
ch := make(chan namedResult, len(r.checks))
|
||||
|
||||
for name, checker := range r.checks {
|
||||
go func(name string, checker Checker) {
|
||||
checkCtx, cancel := context.WithTimeout(ctx, r.timeout)
|
||||
defer cancel()
|
||||
err := checker.Check(checkCtx)
|
||||
if err != nil {
|
||||
ch <- namedResult{name, Result{OK: false, Error: err.Error()}}
|
||||
return
|
||||
}
|
||||
ch <- namedResult{name, Result{OK: true}}
|
||||
}(name, checker)
|
||||
}
|
||||
|
||||
results = make(map[string]Result, len(r.checks))
|
||||
ready = true
|
||||
for i := 0; i < len(r.checks); i++ {
|
||||
nr := <-ch
|
||||
results[nr.name] = nr.result
|
||||
if !nr.result.OK {
|
||||
ready = false
|
||||
}
|
||||
}
|
||||
return ready, results
|
||||
}
|
||||
@@ -1,161 +0,0 @@
|
||||
package health
|
||||
|
||||
import (
|
||||
"context"
|
||||
"encoding/json"
|
||||
"errors"
|
||||
"net/http"
|
||||
"net/http/httptest"
|
||||
"os"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/jackc/pgx/v5/pgxpool"
|
||||
)
|
||||
|
||||
// Akzeptanzkriterium 1 + Pruefung 1: simulierter Datenbankausfall fuehrt zu
|
||||
// "nicht bereit".
|
||||
func TestReadinessHandler_ReportsNotReadyOnDatabaseFailure(t *testing.T) {
|
||||
adminDSN := os.Getenv("TEST_ADMIN_DSN")
|
||||
if adminDSN == "" {
|
||||
t.Skip("TEST_ADMIN_DSN nicht gesetzt, Integrationstest uebersprungen")
|
||||
}
|
||||
ctx := context.Background()
|
||||
|
||||
pool, err := pgxpool.New(ctx, adminDSN)
|
||||
if err != nil {
|
||||
t.Fatalf("pool: %v", err)
|
||||
}
|
||||
// Datenbankausfall simulieren: Pool sofort schliessen, bevor der Check laeuft.
|
||||
pool.Close()
|
||||
|
||||
reg := NewRegistry()
|
||||
reg.Register("database", DatabaseChecker(pool))
|
||||
|
||||
req := httptest.NewRequest(http.MethodGet, "/readyz", nil)
|
||||
rec := httptest.NewRecorder()
|
||||
reg.ReadinessHandler()(rec, req)
|
||||
|
||||
if rec.Code != http.StatusServiceUnavailable {
|
||||
t.Fatalf("status = %d, want 503 bei db-ausfall", rec.Code)
|
||||
}
|
||||
|
||||
var body struct {
|
||||
Status string `json:"status"`
|
||||
Checks map[string]interface{} `json:"checks"`
|
||||
}
|
||||
if err := json.Unmarshal(rec.Body.Bytes(), &body); err != nil {
|
||||
t.Fatalf("body parsen: %v", err)
|
||||
}
|
||||
if body.Status != "not_ready" {
|
||||
t.Fatalf("status-feld = %q, want not_ready", body.Status)
|
||||
}
|
||||
if _, ok := body.Checks["database"]; !ok {
|
||||
t.Fatal("erwartet 'database' im checks-ergebnis")
|
||||
}
|
||||
}
|
||||
|
||||
func TestReadinessHandler_ReportsReadyWhenAllChecksPass(t *testing.T) {
|
||||
adminDSN := os.Getenv("TEST_ADMIN_DSN")
|
||||
if adminDSN == "" {
|
||||
t.Skip("TEST_ADMIN_DSN nicht gesetzt, Integrationstest uebersprungen")
|
||||
}
|
||||
ctx := context.Background()
|
||||
|
||||
pool, err := pgxpool.New(ctx, adminDSN)
|
||||
if err != nil {
|
||||
t.Fatalf("pool: %v", err)
|
||||
}
|
||||
defer pool.Close()
|
||||
|
||||
reg := NewRegistry()
|
||||
reg.Register("database", DatabaseChecker(pool))
|
||||
reg.Register("queue", QueueChecker(pool))
|
||||
|
||||
req := httptest.NewRequest(http.MethodGet, "/readyz", nil)
|
||||
rec := httptest.NewRecorder()
|
||||
reg.ReadinessHandler()(rec, req)
|
||||
|
||||
if rec.Code != http.StatusOK {
|
||||
t.Fatalf("status = %d, want 200 bei funktionierenden abhaengigkeiten", rec.Code)
|
||||
}
|
||||
}
|
||||
|
||||
// Akzeptanzkriterium 2 + Pruefung 3: Liveness und Readiness unterscheiden
|
||||
// sich nachweislich im Fehlerfall.
|
||||
func TestLivenessAndReadiness_DifferOnDatabaseFailure(t *testing.T) {
|
||||
adminDSN := os.Getenv("TEST_ADMIN_DSN")
|
||||
if adminDSN == "" {
|
||||
t.Skip("TEST_ADMIN_DSN nicht gesetzt, Integrationstest uebersprungen")
|
||||
}
|
||||
ctx := context.Background()
|
||||
|
||||
pool, err := pgxpool.New(ctx, adminDSN)
|
||||
if err != nil {
|
||||
t.Fatalf("pool: %v", err)
|
||||
}
|
||||
pool.Close() // db-ausfall simulieren
|
||||
|
||||
reg := NewRegistry()
|
||||
reg.Register("database", DatabaseChecker(pool))
|
||||
|
||||
livenessRec := httptest.NewRecorder()
|
||||
LivenessHandler(livenessRec, httptest.NewRequest(http.MethodGet, "/livez", nil))
|
||||
if livenessRec.Code != http.StatusOK {
|
||||
t.Fatalf("liveness status = %d, want 200 trotz db-ausfall (liveness prueft keine abhaengigkeiten)", livenessRec.Code)
|
||||
}
|
||||
|
||||
readinessRec := httptest.NewRecorder()
|
||||
reg.ReadinessHandler()(readinessRec, httptest.NewRequest(http.MethodGet, "/readyz", nil))
|
||||
if readinessRec.Code != http.StatusServiceUnavailable {
|
||||
t.Fatalf("readiness status = %d, want 503 bei db-ausfall", readinessRec.Code)
|
||||
}
|
||||
|
||||
if livenessRec.Code == readinessRec.Code {
|
||||
t.Fatal("liveness und readiness sollten sich im db-ausfall-fall unterscheiden")
|
||||
}
|
||||
}
|
||||
|
||||
// Akzeptanzkriterium 2 + Pruefung 2: Health-Endpunkt antwortet auch bei
|
||||
// haengendem Check innerhalb definierter Zeit (Timeout begrenzt die Dauer).
|
||||
func TestReadinessHandler_RespondsWithinTimeoutEvenWithHangingCheck(t *testing.T) {
|
||||
reg := NewRegistry().WithTimeout(50 * time.Millisecond)
|
||||
reg.Register("haengender_dienst", CheckerFunc(func(ctx context.Context) error {
|
||||
select {
|
||||
case <-time.After(10 * time.Second): // wuerde ohne timeout ewig blockieren
|
||||
return nil
|
||||
case <-ctx.Done():
|
||||
return ctx.Err()
|
||||
}
|
||||
}))
|
||||
|
||||
start := time.Now()
|
||||
req := httptest.NewRequest(http.MethodGet, "/readyz", nil)
|
||||
rec := httptest.NewRecorder()
|
||||
reg.ReadinessHandler()(rec, req)
|
||||
elapsed := time.Since(start)
|
||||
|
||||
if elapsed > time.Second {
|
||||
t.Fatalf("readiness handler brauchte %s, erwartet deutlich unter 1s durch timeout", elapsed)
|
||||
}
|
||||
if rec.Code != http.StatusServiceUnavailable {
|
||||
t.Fatalf("status = %d, want 503 fuer haengenden/timeout-check", rec.Code)
|
||||
}
|
||||
}
|
||||
|
||||
func TestCheckAll_MultipleChecksRunConcurrently(t *testing.T) {
|
||||
reg := NewRegistry().WithTimeout(time.Second)
|
||||
reg.Register("a", CheckerFunc(func(ctx context.Context) error { return nil }))
|
||||
reg.Register("b", CheckerFunc(func(ctx context.Context) error { return errors.New("kaputt") }))
|
||||
|
||||
ready, results := reg.CheckAll(context.Background())
|
||||
if ready {
|
||||
t.Fatal("erwartet ready=false, da 'b' fehlschlaegt")
|
||||
}
|
||||
if !results["a"].OK {
|
||||
t.Fatalf("erwartet 'a' ok, habe %+v", results["a"])
|
||||
}
|
||||
if results["b"].OK || results["b"].Error == "" {
|
||||
t.Fatalf("erwartet 'b' fehlgeschlagen mit fehlertext, habe %+v", results["b"])
|
||||
}
|
||||
}
|
||||
@@ -1,99 +0,0 @@
|
||||
package moduleregistry
|
||||
|
||||
import (
|
||||
"context"
|
||||
"crypto/rand"
|
||||
"crypto/sha256"
|
||||
"crypto/subtle"
|
||||
"encoding/hex"
|
||||
"errors"
|
||||
"fmt"
|
||||
|
||||
"github.com/jackc/pgx/v5"
|
||||
)
|
||||
|
||||
var (
|
||||
ErrModuleNotRegistered = errors.New("moduleregistry: modul muss vor provisionierung registriert sein")
|
||||
ErrInvalidCredential = errors.New("moduleregistry: ungueltiges oder fehlendes service-credential")
|
||||
)
|
||||
|
||||
// Provision stellt ein Service-Credential (Client-ID + Secret) fuer eine
|
||||
// Modul-Instanz aus (Akzeptanzkriterium 4). Das Secret wird NUR beim
|
||||
// Ausstellen im Klartext zurueckgegeben, gespeichert wird ausschliesslich
|
||||
// dessen SHA-256-Hash.
|
||||
func (r *Registry) Provision(ctx context.Context, moduleName string) (clientID, secret string, err error) {
|
||||
if _, err := r.Get(ctx, moduleName); err != nil {
|
||||
if errors.Is(err, ErrModuleNotFound) {
|
||||
return "", "", ErrModuleNotRegistered
|
||||
}
|
||||
return "", "", err
|
||||
}
|
||||
|
||||
clientID, err = randomToken(16)
|
||||
if err != nil {
|
||||
return "", "", fmt.Errorf("client-id erzeugen: %w", err)
|
||||
}
|
||||
secret, err = randomToken(32)
|
||||
if err != nil {
|
||||
return "", "", fmt.Errorf("secret erzeugen: %w", err)
|
||||
}
|
||||
hash := hashSecret(secret)
|
||||
|
||||
_, err = r.pool.Exec(ctx, `
|
||||
INSERT INTO module_credentials (module_name, client_id, secret_hash, issued_at)
|
||||
VALUES ($1, $2, $3, now())
|
||||
ON CONFLICT (module_name) DO UPDATE SET client_id = $2, secret_hash = $3, issued_at = now()
|
||||
`, moduleName, clientID, hash)
|
||||
if err != nil {
|
||||
return "", "", fmt.Errorf("credential speichern: %w", err)
|
||||
}
|
||||
return clientID, secret, nil
|
||||
}
|
||||
|
||||
// Authenticate prueft ein Service-Credential timing-safe (Referenzmuster
|
||||
// siehe AUD-02) — Aufrufe ohne gueltiges Credential werden abgelehnt
|
||||
// (Akzeptanzkriterium 4 / Pruefung 4).
|
||||
func (r *Registry) Authenticate(ctx context.Context, clientID, secret string) (moduleName string, ok bool, err error) {
|
||||
if clientID == "" || secret == "" {
|
||||
return "", false, nil
|
||||
}
|
||||
|
||||
var storedHash []byte
|
||||
err = r.pool.QueryRow(ctx, `
|
||||
SELECT module_name, secret_hash FROM module_credentials WHERE client_id = $1
|
||||
`, clientID).Scan(&moduleName, &storedHash)
|
||||
if err != nil {
|
||||
if errors.Is(err, pgx.ErrNoRows) {
|
||||
return "", false, nil
|
||||
}
|
||||
return "", false, fmt.Errorf("credential lesen: %w", err)
|
||||
}
|
||||
|
||||
if !timingSafeEqual(hashSecret(secret), storedHash) {
|
||||
return "", false, nil
|
||||
}
|
||||
return moduleName, true, nil
|
||||
}
|
||||
|
||||
func randomToken(n int) (string, error) {
|
||||
buf := make([]byte, n)
|
||||
if _, err := rand.Read(buf); err != nil {
|
||||
return "", err
|
||||
}
|
||||
return hex.EncodeToString(buf), nil
|
||||
}
|
||||
|
||||
func hashSecret(secret string) []byte {
|
||||
sum := sha256.Sum256([]byte(secret))
|
||||
return sum[:]
|
||||
}
|
||||
|
||||
// timingSafeEqual folgt derselben Referenzimplementierung wie AUD-02
|
||||
// (subtle.ConstantTimeCompare) — projektweite Konvention fuer jeden
|
||||
// sicherheitsrelevanten Vergleich.
|
||||
func timingSafeEqual(a, b []byte) bool {
|
||||
if len(a) != len(b) {
|
||||
return false
|
||||
}
|
||||
return subtle.ConstantTimeCompare(a, b) == 1
|
||||
}
|
||||
@@ -1,46 +0,0 @@
|
||||
package moduleregistry
|
||||
|
||||
import "net/http"
|
||||
|
||||
// RequireActiveModule weist Anfragen an ein nicht aktiviertes Modul ZENTRAL
|
||||
// ab, bevor der eigentliche Modul-Handler erreicht wird (Akzeptanzkriterium 2 /
|
||||
// Pruefung 1) — Casbin-Prinzip: Durchsetzung als Middleware statt verstreuter
|
||||
// Pruefungen in jedem Handler. tenantSlug/moduleName werden hier ueber
|
||||
// Query-Parameter gelesen (echte Extraktion aus JWT/Tenant-Kontext ist
|
||||
// API-05/TEN-06, nicht Teil dieser Kachel).
|
||||
func (r *Registry) RequireActiveModule(moduleName string, next http.HandlerFunc) http.HandlerFunc {
|
||||
return func(w http.ResponseWriter, req *http.Request) {
|
||||
tenantSlug := req.URL.Query().Get("tenant")
|
||||
active, err := r.IsActive(req.Context(), tenantSlug, moduleName)
|
||||
if err != nil {
|
||||
http.Error(w, "aktivierungspruefung fehlgeschlagen", http.StatusInternalServerError)
|
||||
return
|
||||
}
|
||||
if !active {
|
||||
http.Error(w, "modul nicht aktiviert", http.StatusForbidden)
|
||||
return
|
||||
}
|
||||
next(w, req)
|
||||
}
|
||||
}
|
||||
|
||||
// RequireServiceCredential authentifiziert eine Modul-Instanz ueber ihr
|
||||
// Service-Credential (X-Client-Id/X-Client-Secret-Header) BEVOR der
|
||||
// eigentliche Handler erreicht wird (Akzeptanzkriterium 4 / Pruefung 4).
|
||||
func (r *Registry) RequireServiceCredential(next http.HandlerFunc) http.HandlerFunc {
|
||||
return func(w http.ResponseWriter, req *http.Request) {
|
||||
clientID := req.Header.Get("X-Client-Id")
|
||||
secret := req.Header.Get("X-Client-Secret")
|
||||
|
||||
_, ok, err := r.Authenticate(req.Context(), clientID, secret)
|
||||
if err != nil {
|
||||
http.Error(w, "authentifizierung fehlgeschlagen", http.StatusInternalServerError)
|
||||
return
|
||||
}
|
||||
if !ok {
|
||||
http.Error(w, ErrInvalidCredential.Error(), http.StatusUnauthorized)
|
||||
return
|
||||
}
|
||||
next(w, req)
|
||||
}
|
||||
}
|
||||
@@ -1,120 +0,0 @@
|
||||
// Package moduleregistry implementiert Core API-02: die Registry, in der
|
||||
// sich Fachmodule (DMS, Mail, weitere) mit Metadaten eintragen, gekoppelt an
|
||||
// die Aktivierungspruefung aus LIC-02 (Feature-Flags). Zusaetzlich
|
||||
// authentifiziert die Registry Modul-Instanzen selbst ueber ein bei
|
||||
// Provisionierung ausgestelltes Service-Credential.
|
||||
package moduleregistry
|
||||
|
||||
import (
|
||||
"context"
|
||||
"errors"
|
||||
"fmt"
|
||||
|
||||
"github.com/jackc/pgx/v5"
|
||||
"github.com/jackc/pgx/v5/pgxpool"
|
||||
|
||||
"gitea.perlbach24.de/scripte/nexarch/internal/flag"
|
||||
)
|
||||
|
||||
var (
|
||||
ErrMissingName = errors.New("moduleregistry: name darf nicht leer sein")
|
||||
ErrMissingVersion = errors.New("moduleregistry: version darf nicht leer sein")
|
||||
ErrModuleNotFound = errors.New("moduleregistry: modul nicht registriert")
|
||||
)
|
||||
|
||||
type Module struct {
|
||||
Name string
|
||||
Version string
|
||||
RequiredFlags []string
|
||||
}
|
||||
|
||||
type Registry struct {
|
||||
pool *pgxpool.Pool
|
||||
flags *flag.Service
|
||||
}
|
||||
|
||||
func NewRegistry(pool *pgxpool.Pool, flags *flag.Service) *Registry {
|
||||
return &Registry{pool: pool, flags: flags}
|
||||
}
|
||||
|
||||
// Register traegt ein Modul mit Name, Version und benoetigten Feature-Flags
|
||||
// ein (Akzeptanzkriterium 1). Fehlende Pflichtangaben werden abgewiesen
|
||||
// (Akzeptanzkriterium 1 / Pruefung 2). Erneutes Register desselben Namens
|
||||
// aktualisiert Version/Flags (Redeploy-Fall).
|
||||
func (r *Registry) Register(ctx context.Context, name, version string, requiredFlags []string) (Module, error) {
|
||||
if name == "" {
|
||||
return Module{}, ErrMissingName
|
||||
}
|
||||
if version == "" {
|
||||
return Module{}, ErrMissingVersion
|
||||
}
|
||||
if requiredFlags == nil {
|
||||
requiredFlags = []string{}
|
||||
}
|
||||
|
||||
_, err := r.pool.Exec(ctx, `
|
||||
INSERT INTO modules (name, version, required_flags, registered_at)
|
||||
VALUES ($1, $2, $3, now())
|
||||
ON CONFLICT (name) DO UPDATE SET version = $2, required_flags = $3, registered_at = now()
|
||||
`, name, version, requiredFlags)
|
||||
if err != nil {
|
||||
return Module{}, fmt.Errorf("modul registrieren: %w", err)
|
||||
}
|
||||
return Module{Name: name, Version: version, RequiredFlags: requiredFlags}, nil
|
||||
}
|
||||
|
||||
func (r *Registry) Get(ctx context.Context, name string) (Module, error) {
|
||||
var m Module
|
||||
m.Name = name
|
||||
err := r.pool.QueryRow(ctx, `
|
||||
SELECT version, required_flags FROM modules WHERE name = $1
|
||||
`, name).Scan(&m.Version, &m.RequiredFlags)
|
||||
if err != nil {
|
||||
if errors.Is(err, pgx.ErrNoRows) {
|
||||
return Module{}, ErrModuleNotFound
|
||||
}
|
||||
return Module{}, fmt.Errorf("modul lesen: %w", err)
|
||||
}
|
||||
return m, nil
|
||||
}
|
||||
|
||||
// List liefert alle registrierten Module (Akzeptanzkriterium 3: ueber API
|
||||
// abfragbar, z.B. fuer Statusseite/Lizenzoberflaeche).
|
||||
func (r *Registry) List(ctx context.Context) ([]Module, error) {
|
||||
rows, err := r.pool.Query(ctx, `SELECT name, version, required_flags FROM modules ORDER BY name`)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("module auflisten: %w", err)
|
||||
}
|
||||
defer rows.Close()
|
||||
|
||||
var out []Module
|
||||
for rows.Next() {
|
||||
var m Module
|
||||
if err := rows.Scan(&m.Name, &m.Version, &m.RequiredFlags); err != nil {
|
||||
return nil, fmt.Errorf("modul lesen: %w", err)
|
||||
}
|
||||
out = append(out, m)
|
||||
}
|
||||
return out, rows.Err()
|
||||
}
|
||||
|
||||
// IsActive prueft, ob ein registriertes Modul fuer einen Tenant aktiviert
|
||||
// ist: registriert UND alle benoetigten Feature-Flags sind fuer diesen
|
||||
// Tenant aktiv (Akzeptanzkriterium 2). Ein nicht registriertes Modul gilt
|
||||
// immer als nicht aktiv.
|
||||
func (r *Registry) IsActive(ctx context.Context, tenantSlug, moduleName string) (bool, error) {
|
||||
m, err := r.Get(ctx, moduleName)
|
||||
if err != nil {
|
||||
if errors.Is(err, ErrModuleNotFound) {
|
||||
return false, nil
|
||||
}
|
||||
return false, err
|
||||
}
|
||||
|
||||
for _, flagKey := range m.RequiredFlags {
|
||||
if !r.flags.IsEnabled(ctx, tenantSlug, flagKey) {
|
||||
return false, nil
|
||||
}
|
||||
}
|
||||
return true, nil
|
||||
}
|
||||
@@ -1,304 +0,0 @@
|
||||
package moduleregistry
|
||||
|
||||
import (
|
||||
"context"
|
||||
"errors"
|
||||
"fmt"
|
||||
"net/http"
|
||||
"net/http/httptest"
|
||||
"os"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/jackc/pgx/v5/pgxpool"
|
||||
|
||||
"gitea.perlbach24.de/scripte/nexarch/internal/flag"
|
||||
)
|
||||
|
||||
func setupTest(t *testing.T) (*Registry, *flag.Store, func()) {
|
||||
t.Helper()
|
||||
adminDSN := os.Getenv("TEST_ADMIN_DSN")
|
||||
if adminDSN == "" {
|
||||
t.Skip("TEST_ADMIN_DSN nicht gesetzt, Integrationstest uebersprungen")
|
||||
}
|
||||
ctx := context.Background()
|
||||
|
||||
pool, err := pgxpool.New(ctx, adminDSN)
|
||||
if err != nil {
|
||||
t.Fatalf("pool: %v", err)
|
||||
}
|
||||
if _, err := pool.Exec(ctx, `
|
||||
CREATE TABLE IF NOT EXISTS feature_flags (
|
||||
key TEXT PRIMARY KEY, enabled BOOLEAN NOT NULL DEFAULT false,
|
||||
rollout_percentage INT NOT NULL DEFAULT 0, target_tenant_slugs TEXT[] NOT NULL DEFAULT '{}',
|
||||
updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
|
||||
);
|
||||
CREATE TABLE IF NOT EXISTS modules (
|
||||
name TEXT PRIMARY KEY, version TEXT NOT NULL CHECK (version <> ''),
|
||||
required_flags TEXT[] NOT NULL DEFAULT '{}', registered_at TIMESTAMPTZ NOT NULL DEFAULT now()
|
||||
);
|
||||
CREATE TABLE IF NOT EXISTS module_credentials (
|
||||
module_name TEXT PRIMARY KEY REFERENCES modules(name),
|
||||
client_id TEXT NOT NULL UNIQUE, secret_hash BYTEA NOT NULL,
|
||||
issued_at TIMESTAMPTZ NOT NULL DEFAULT now()
|
||||
);
|
||||
`); err != nil {
|
||||
t.Fatalf("schema: %v", err)
|
||||
}
|
||||
|
||||
flagStore := flag.NewStore(pool)
|
||||
// Kurze TTL, damit Tests, die den Flag-Store direkt aendern (an
|
||||
// Registry.IsActive vorbei), den neuen Stand ohne manuelles Invalidate
|
||||
// zuverlaessig sehen.
|
||||
flagService := flag.NewService(flagStore, 10*time.Millisecond)
|
||||
registry := NewRegistry(pool, flagService)
|
||||
|
||||
cleanup := func() { pool.Close() }
|
||||
return registry, flagStore, cleanup
|
||||
}
|
||||
|
||||
func uniqueModuleName(t *testing.T) string {
|
||||
return fmt.Sprintf("dms_%d", time.Now().UnixNano())
|
||||
}
|
||||
|
||||
// Akzeptanzkriterium 1 + Pruefung 2: fehlende Pflichtangaben abgewiesen.
|
||||
func TestRegister_RejectsMissingFields(t *testing.T) {
|
||||
registry, _, cleanup := setupTest(t)
|
||||
defer cleanup()
|
||||
ctx := context.Background()
|
||||
|
||||
if _, err := registry.Register(ctx, "", "1.0", nil); !errors.Is(err, ErrMissingName) {
|
||||
t.Fatalf("erwartet ErrMissingName, habe %v", err)
|
||||
}
|
||||
if _, err := registry.Register(ctx, "dms", "", nil); !errors.Is(err, ErrMissingVersion) {
|
||||
t.Fatalf("erwartet ErrMissingVersion, habe %v", err)
|
||||
}
|
||||
}
|
||||
|
||||
func TestRegister_AndGet(t *testing.T) {
|
||||
registry, _, cleanup := setupTest(t)
|
||||
defer cleanup()
|
||||
ctx := context.Background()
|
||||
name := uniqueModuleName(t)
|
||||
|
||||
m, err := registry.Register(ctx, name, "1.2.0", []string{"dms_enabled"})
|
||||
if err != nil {
|
||||
t.Fatalf("register: %v", err)
|
||||
}
|
||||
if m.Version != "1.2.0" || len(m.RequiredFlags) != 1 {
|
||||
t.Fatalf("unerwartet: %+v", m)
|
||||
}
|
||||
|
||||
got, err := registry.Get(ctx, name)
|
||||
if err != nil {
|
||||
t.Fatalf("get: %v", err)
|
||||
}
|
||||
if got.Version != "1.2.0" {
|
||||
t.Fatalf("get version = %q", got.Version)
|
||||
}
|
||||
}
|
||||
|
||||
// Akzeptanzkriterium 2 + 3 + Pruefung 3: konsistente Daten nach
|
||||
// Aktivierung/Deaktivierung eines Moduls.
|
||||
func TestIsActive_ReflectsFlagStateConsistently(t *testing.T) {
|
||||
registry, flagStore, cleanup := setupTest(t)
|
||||
defer cleanup()
|
||||
ctx := context.Background()
|
||||
name := uniqueModuleName(t)
|
||||
flagKey := name + "_enabled"
|
||||
|
||||
if _, err := registry.Register(ctx, name, "1.0", []string{flagKey}); err != nil {
|
||||
t.Fatalf("register: %v", err)
|
||||
}
|
||||
|
||||
active, err := registry.IsActive(ctx, "acme", name)
|
||||
if err != nil {
|
||||
t.Fatalf("is active (vor flag): %v", err)
|
||||
}
|
||||
if active {
|
||||
t.Fatal("erwartet nicht aktiv, solange flag nicht gesetzt ist")
|
||||
}
|
||||
|
||||
if err := flagStore.Set(ctx, flag.Flag{Key: flagKey, Enabled: true}); err != nil {
|
||||
t.Fatalf("flag setzen: %v", err)
|
||||
}
|
||||
time.Sleep(20 * time.Millisecond) // TTL abwarten
|
||||
|
||||
active, err = registry.IsActive(ctx, "acme", name)
|
||||
if err != nil {
|
||||
t.Fatalf("is active (nach flag an): %v", err)
|
||||
}
|
||||
if !active {
|
||||
t.Fatal("erwartet aktiv, nachdem flag aktiviert wurde")
|
||||
}
|
||||
|
||||
if err := flagStore.Set(ctx, flag.Flag{Key: flagKey, Enabled: false}); err != nil {
|
||||
t.Fatalf("flag zuruecksetzen: %v", err)
|
||||
}
|
||||
time.Sleep(20 * time.Millisecond) // TTL abwarten
|
||||
active, err = registry.IsActive(ctx, "acme", name)
|
||||
if err != nil {
|
||||
t.Fatalf("is active (nach flag aus): %v", err)
|
||||
}
|
||||
if active {
|
||||
t.Fatal("erwartet wieder nicht aktiv, nachdem flag deaktiviert wurde")
|
||||
}
|
||||
}
|
||||
|
||||
func TestIsActive_UnregisteredModuleIsNeverActive(t *testing.T) {
|
||||
registry, _, cleanup := setupTest(t)
|
||||
defer cleanup()
|
||||
ctx := context.Background()
|
||||
|
||||
active, err := registry.IsActive(ctx, "acme", "nie-registriert")
|
||||
if err != nil {
|
||||
t.Fatalf("is active: %v", err)
|
||||
}
|
||||
if active {
|
||||
t.Fatal("unregistriertes modul darf nie aktiv sein")
|
||||
}
|
||||
}
|
||||
|
||||
// Akzeptanzkriterium 2 + Pruefung 1: Anfrage an deaktiviertes Modul wird
|
||||
// zentral abgewiesen, BEVOR die Modul-Logik erreicht wird.
|
||||
func TestRequireActiveModule_BlocksBeforeHandler(t *testing.T) {
|
||||
registry, flagStore, cleanup := setupTest(t)
|
||||
defer cleanup()
|
||||
ctx := context.Background()
|
||||
name := uniqueModuleName(t)
|
||||
flagKey := name + "_enabled"
|
||||
|
||||
if _, err := registry.Register(ctx, name, "1.0", []string{flagKey}); err != nil {
|
||||
t.Fatalf("register: %v", err)
|
||||
}
|
||||
|
||||
handlerReached := false
|
||||
handler := registry.RequireActiveModule(name, func(w http.ResponseWriter, r *http.Request) {
|
||||
handlerReached = true
|
||||
w.WriteHeader(http.StatusOK)
|
||||
})
|
||||
|
||||
req := httptest.NewRequest(http.MethodGet, "/modul?tenant=acme", nil)
|
||||
rec := httptest.NewRecorder()
|
||||
handler(rec, req)
|
||||
if rec.Code != http.StatusForbidden {
|
||||
t.Fatalf("status = %d, want 403", rec.Code)
|
||||
}
|
||||
if handlerReached {
|
||||
t.Fatal("handler haette bei deaktiviertem modul NICHT erreicht werden duerfen")
|
||||
}
|
||||
|
||||
if err := flagStore.Set(ctx, flag.Flag{Key: flagKey, Enabled: true}); err != nil {
|
||||
t.Fatalf("flag setzen: %v", err)
|
||||
}
|
||||
req2 := httptest.NewRequest(http.MethodGet, "/modul?tenant=acme", nil)
|
||||
rec2 := httptest.NewRecorder()
|
||||
handler(rec2, req2)
|
||||
if rec2.Code != http.StatusOK {
|
||||
t.Fatalf("status nach aktivierung = %d, want 200", rec2.Code)
|
||||
}
|
||||
if !handlerReached {
|
||||
t.Fatal("handler haette bei aktiviertem modul erreicht werden muessen")
|
||||
}
|
||||
}
|
||||
|
||||
// Akzeptanzkriterium 4 + Pruefung 4: gueltiges/ungueltiges Service-Credential.
|
||||
func TestProvisionAndAuthenticate(t *testing.T) {
|
||||
registry, _, cleanup := setupTest(t)
|
||||
defer cleanup()
|
||||
ctx := context.Background()
|
||||
name := uniqueModuleName(t)
|
||||
|
||||
if _, err := registry.Register(ctx, name, "1.0", nil); err != nil {
|
||||
t.Fatalf("register: %v", err)
|
||||
}
|
||||
|
||||
clientID, secret, err := registry.Provision(ctx, name)
|
||||
if err != nil {
|
||||
t.Fatalf("provision: %v", err)
|
||||
}
|
||||
if clientID == "" || secret == "" {
|
||||
t.Fatal("erwartet nicht-leere client-id/secret")
|
||||
}
|
||||
|
||||
moduleName, ok, err := registry.Authenticate(ctx, clientID, secret)
|
||||
if err != nil {
|
||||
t.Fatalf("authenticate (korrekt): %v", err)
|
||||
}
|
||||
if !ok || moduleName != name {
|
||||
t.Fatalf("erwartet erfolgreiche authentifizierung fuer %q, habe ok=%v moduleName=%q", name, ok, moduleName)
|
||||
}
|
||||
|
||||
_, ok, err = registry.Authenticate(ctx, clientID, "falsches-secret")
|
||||
if err != nil {
|
||||
t.Fatalf("authenticate (falsch): %v", err)
|
||||
}
|
||||
if ok {
|
||||
t.Fatal("erwartet fehlschlag bei falschem secret")
|
||||
}
|
||||
|
||||
_, ok, err = registry.Authenticate(ctx, "unbekannte-client-id", secret)
|
||||
if err != nil {
|
||||
t.Fatalf("authenticate (unbekannt): %v", err)
|
||||
}
|
||||
if ok {
|
||||
t.Fatal("erwartet fehlschlag bei unbekannter client-id")
|
||||
}
|
||||
}
|
||||
|
||||
func TestProvision_RequiresRegisteredModule(t *testing.T) {
|
||||
registry, _, cleanup := setupTest(t)
|
||||
defer cleanup()
|
||||
ctx := context.Background()
|
||||
|
||||
if _, _, err := registry.Provision(ctx, "nie-registriert"); !errors.Is(err, ErrModuleNotRegistered) {
|
||||
t.Fatalf("erwartet ErrModuleNotRegistered, habe %v", err)
|
||||
}
|
||||
}
|
||||
|
||||
func TestRequireServiceCredential_RejectsInvalidAcceptsValid(t *testing.T) {
|
||||
registry, _, cleanup := setupTest(t)
|
||||
defer cleanup()
|
||||
ctx := context.Background()
|
||||
name := uniqueModuleName(t)
|
||||
|
||||
if _, err := registry.Register(ctx, name, "1.0", nil); err != nil {
|
||||
t.Fatalf("register: %v", err)
|
||||
}
|
||||
clientID, secret, err := registry.Provision(ctx, name)
|
||||
if err != nil {
|
||||
t.Fatalf("provision: %v", err)
|
||||
}
|
||||
|
||||
handler := registry.RequireServiceCredential(func(w http.ResponseWriter, r *http.Request) {
|
||||
w.WriteHeader(http.StatusOK)
|
||||
})
|
||||
|
||||
// Fehlendes Credential.
|
||||
req := httptest.NewRequest(http.MethodPost, "/service-aufruf", nil)
|
||||
rec := httptest.NewRecorder()
|
||||
handler(rec, req)
|
||||
if rec.Code != http.StatusUnauthorized {
|
||||
t.Fatalf("ohne credential: status = %d, want 401", rec.Code)
|
||||
}
|
||||
|
||||
// Falsches Secret.
|
||||
req2 := httptest.NewRequest(http.MethodPost, "/service-aufruf", nil)
|
||||
req2.Header.Set("X-Client-Id", clientID)
|
||||
req2.Header.Set("X-Client-Secret", "falsch")
|
||||
rec2 := httptest.NewRecorder()
|
||||
handler(rec2, req2)
|
||||
if rec2.Code != http.StatusUnauthorized {
|
||||
t.Fatalf("falsches secret: status = %d, want 401", rec2.Code)
|
||||
}
|
||||
|
||||
// Gueltiges Credential.
|
||||
req3 := httptest.NewRequest(http.MethodPost, "/service-aufruf", nil)
|
||||
req3.Header.Set("X-Client-Id", clientID)
|
||||
req3.Header.Set("X-Client-Secret", secret)
|
||||
rec3 := httptest.NewRecorder()
|
||||
handler(rec3, req3)
|
||||
if rec3.Code != http.StatusOK {
|
||||
t.Fatalf("gueltiges credential: status = %d, want 200", rec3.Code)
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,206 @@
|
||||
package tenant
|
||||
|
||||
import (
|
||||
"context"
|
||||
"errors"
|
||||
"fmt"
|
||||
"log/slog"
|
||||
"time"
|
||||
|
||||
"github.com/jackc/pgx/v5"
|
||||
"github.com/jackc/pgx/v5/pgxpool"
|
||||
)
|
||||
|
||||
var (
|
||||
ErrTenantNotFound = errors.New("tenant: nicht gefunden")
|
||||
ErrInvalidTransition = errors.New("tenant: ungueltiger zustandsuebergang")
|
||||
// ErrTenantNotActive wird von Lifecycle.CheckActive verwendet — bewusst
|
||||
// EIN Fehler fuer suspendiert/zur-Loeschung-vorgemerkt/geloescht, da der
|
||||
// Aufrufer (z.B. Login) nur wissen muss "kein Zugriff", nicht welcher der
|
||||
// Nicht-aktiv-Zustaende genau vorliegt.
|
||||
ErrTenantNotActive = errors.New("tenant: nicht aktiv")
|
||||
)
|
||||
|
||||
func scanTenantWithLifecycle(row pgx.Row) (Tenant, error) {
|
||||
var t Tenant
|
||||
if err := row.Scan(&t.ID, &t.Slug, &t.Name, &t.DBName, &t.DBDSN, &t.Status,
|
||||
&t.CreatedAt, &t.PreviousStatus, &t.DeletionScheduledAt); err != nil {
|
||||
return Tenant{}, err
|
||||
}
|
||||
return t, nil
|
||||
}
|
||||
|
||||
// transition fuehrt einen bewachten Zustandsuebergang aus: das UPDATE greift
|
||||
// nur, wenn der aktuelle Status einer von allowedFrom ist (atomarer
|
||||
// Check-and-Set, kein Race zwischen Lesen und Schreiben). Greift es nicht,
|
||||
// wird zwischen "Tenant existiert nicht" und "Uebergang nicht erlaubt"
|
||||
// unterschieden, damit AC1 ("ungueltige Uebergaenge werden abgewiesen") einen
|
||||
// sprechenden Fehler liefert statt eines stillen No-Ops.
|
||||
func (r *Registry) transition(ctx context.Context, slug string, allowedFrom []Status, to Status, previousStatus *string, deletionAt *time.Time) (Tenant, error) {
|
||||
from := make([]string, len(allowedFrom))
|
||||
for i, s := range allowedFrom {
|
||||
from[i] = string(s)
|
||||
}
|
||||
|
||||
row := r.pool.QueryRow(ctx, `
|
||||
UPDATE tenants
|
||||
SET status = $2, previous_status = $3, deletion_scheduled_at = $4
|
||||
WHERE slug = $1 AND status = ANY($5)
|
||||
RETURNING id, slug, name, db_name, db_dsn, status, created_at, previous_status, deletion_scheduled_at
|
||||
`, slug, string(to), previousStatus, deletionAt, from)
|
||||
|
||||
t, err := scanTenantWithLifecycle(row)
|
||||
if err == nil {
|
||||
return t, nil
|
||||
}
|
||||
if !errors.Is(err, pgx.ErrNoRows) {
|
||||
return Tenant{}, fmt.Errorf("zustandsuebergang: %w", err)
|
||||
}
|
||||
|
||||
existing, getErr := r.GetBySlug(ctx, slug)
|
||||
if getErr != nil {
|
||||
return Tenant{}, ErrTenantNotFound
|
||||
}
|
||||
return Tenant{}, fmt.Errorf("%w: von %q nach %q (aktuell: %q)", ErrInvalidTransition, allowedFrom, to, existing.Status)
|
||||
}
|
||||
|
||||
// Suspend haelt die Daten des Mandanten unveraendert, sperrt aber den Zugriff
|
||||
// (Akzeptanzkriterium 1) — es findet keine Loeschung/Migration statt.
|
||||
func (r *Registry) Suspend(ctx context.Context, slug string) (Tenant, error) {
|
||||
return r.transition(ctx, slug, []Status{StatusActive}, StatusSuspended, nil, nil)
|
||||
}
|
||||
|
||||
// Reactivate stellt den Zustand vor der Suspendierung vollstaendig wieder her
|
||||
// (Akzeptanzkriterium 2) — da Suspend keine weiteren Daten veraendert, genuegt
|
||||
// die Rueckkehr nach StatusActive.
|
||||
func (r *Registry) Reactivate(ctx context.Context, slug string) (Tenant, error) {
|
||||
return r.transition(ctx, slug, []Status{StatusSuspended}, StatusActive, nil, nil)
|
||||
}
|
||||
|
||||
// ScheduleDeletion merkt den Mandanten zur Loeschung vor und startet die
|
||||
// Karenzzeit (Akzeptanzkriterium 3). previous_status wird festgehalten, damit
|
||||
// CancelDeletion exakt dorthin zurueckkehren kann (aktiv ODER suspendiert).
|
||||
func (r *Registry) ScheduleDeletion(ctx context.Context, slug string, grace time.Duration) (Tenant, error) {
|
||||
existing, err := r.GetBySlug(ctx, slug)
|
||||
if err != nil {
|
||||
return Tenant{}, ErrTenantNotFound
|
||||
}
|
||||
prev := string(existing.Status)
|
||||
deletionAt := time.Now().Add(grace)
|
||||
return r.transition(ctx, slug, []Status{StatusActive, StatusSuspended}, StatusPendingDeletion, &prev, &deletionAt)
|
||||
}
|
||||
|
||||
// CancelDeletion widerruft eine Loeschvormerkung innerhalb der Karenzzeit und
|
||||
// stellt exakt den zuvor gesicherten Zustand wieder her.
|
||||
func (r *Registry) CancelDeletion(ctx context.Context, slug string) (Tenant, error) {
|
||||
existing, err := r.GetBySlug(ctx, slug)
|
||||
if err != nil {
|
||||
return Tenant{}, ErrTenantNotFound
|
||||
}
|
||||
if existing.Status != StatusPendingDeletion || existing.PreviousStatus == nil {
|
||||
return Tenant{}, fmt.Errorf("%w: von %q nach aktiv/suspendiert (aktuell: %q)", ErrInvalidTransition, StatusPendingDeletion, existing.Status)
|
||||
}
|
||||
restoreTo := Status(*existing.PreviousStatus)
|
||||
return r.transition(ctx, slug, []Status{StatusPendingDeletion}, restoreTo, nil, nil)
|
||||
}
|
||||
|
||||
// Lifecycle fuehrt die tatsaechliche, physische Loeschung nach Ablauf der
|
||||
// Karenzzeit aus (Datenbank-Drop) und stellt die Zugriffsschutz-Pruefung
|
||||
// bereit. Getrennt von Registry, weil hierfuer zusaetzlich der adminPool
|
||||
// (fuer DROP DATABASE) noetig ist, siehe internal/tenant.Provisioner.
|
||||
type Lifecycle struct {
|
||||
registry *Registry
|
||||
adminPool *pgxpool.Pool
|
||||
}
|
||||
|
||||
func NewLifecycle(registry *Registry, adminPool *pgxpool.Pool) *Lifecycle {
|
||||
return &Lifecycle{registry: registry, adminPool: adminPool}
|
||||
}
|
||||
|
||||
// CheckActive verweigert Zugriff fuer jeden Nicht-aktiv-Zustand und loggt den
|
||||
// Vorgang strukturiert (Akzeptanzkriterium 1 / Pruefung 2).
|
||||
func (l *Lifecycle) CheckActive(ctx context.Context, slug string) error {
|
||||
t, err := l.registry.GetBySlug(ctx, slug)
|
||||
if err != nil {
|
||||
return ErrTenantNotFound
|
||||
}
|
||||
if t.Status != StatusActive {
|
||||
slog.Warn("zugriff auf nicht-aktiven mandanten verweigert",
|
||||
"tenant_slug", slug, "tenant_status", t.Status)
|
||||
return ErrTenantNotActive
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// ProcessDueDeletions loescht alle Mandanten-Datenbanken, deren Karenzzeit
|
||||
// abgelaufen ist (Akzeptanzkriterium 3 / Pruefung 3). FOR UPDATE SKIP LOCKED
|
||||
// folgt der projektweiten Postgres-Jobqueue-Konvention (siehe
|
||||
// SKALIERUNGSKONZEPT.md) und macht die Funktion sicher fuer mehrere parallel
|
||||
// laufende Core-Instanzen.
|
||||
func (l *Lifecycle) ProcessDueDeletions(ctx context.Context) (int, error) {
|
||||
tx, err := l.registry.pool.Begin(ctx)
|
||||
if err != nil {
|
||||
return 0, fmt.Errorf("sweep-transaktion starten: %w", err)
|
||||
}
|
||||
defer func() { _ = tx.Rollback(ctx) }()
|
||||
|
||||
rows, err := tx.Query(ctx, `
|
||||
SELECT id, db_name FROM tenants
|
||||
WHERE status = $1 AND deletion_scheduled_at <= now()
|
||||
FOR UPDATE SKIP LOCKED
|
||||
`, string(StatusPendingDeletion))
|
||||
if err != nil {
|
||||
return 0, fmt.Errorf("faellige loeschungen abfragen: %w", err)
|
||||
}
|
||||
|
||||
type due struct{ id, dbName string }
|
||||
var candidates []due
|
||||
for rows.Next() {
|
||||
var d due
|
||||
if err := rows.Scan(&d.id, &d.dbName); err != nil {
|
||||
rows.Close()
|
||||
return 0, fmt.Errorf("faellige loeschung lesen: %w", err)
|
||||
}
|
||||
candidates = append(candidates, d)
|
||||
}
|
||||
rows.Close()
|
||||
if err := rows.Err(); err != nil {
|
||||
return 0, err
|
||||
}
|
||||
|
||||
processed := 0
|
||||
for _, c := range candidates {
|
||||
if _, err := l.adminPool.Exec(ctx, fmt.Sprintf(`DROP DATABASE IF EXISTS %q`, c.dbName)); err != nil {
|
||||
return processed, fmt.Errorf("tenant-datenbank %q loeschen: %w", c.dbName, err)
|
||||
}
|
||||
if _, err := tx.Exec(ctx, `
|
||||
UPDATE tenants SET status = $2, previous_status = NULL, deletion_scheduled_at = NULL
|
||||
WHERE id = $1
|
||||
`, c.id, string(StatusDeleted)); err != nil {
|
||||
return processed, fmt.Errorf("tenant %q als geloescht markieren: %w", c.id, err)
|
||||
}
|
||||
processed++
|
||||
}
|
||||
|
||||
if err := tx.Commit(ctx); err != nil {
|
||||
return 0, fmt.Errorf("sweep-transaktion committen: %w", err)
|
||||
}
|
||||
return processed, nil
|
||||
}
|
||||
|
||||
// RunSweeper triggert ProcessDueDeletions periodisch, bis ctx beendet wird —
|
||||
// die "In-Prozess-Worker-Goroutine" aus der projektweiten Jobqueue-Konvention.
|
||||
func (l *Lifecycle) RunSweeper(ctx context.Context, interval time.Duration) {
|
||||
ticker := time.NewTicker(interval)
|
||||
defer ticker.Stop()
|
||||
for {
|
||||
select {
|
||||
case <-ctx.Done():
|
||||
return
|
||||
case <-ticker.C:
|
||||
if _, err := l.ProcessDueDeletions(ctx); err != nil {
|
||||
slog.Error("tenant-loeschung-sweep fehlgeschlagen", "error", err)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,253 @@
|
||||
package tenant
|
||||
|
||||
import (
|
||||
"context"
|
||||
"errors"
|
||||
"fmt"
|
||||
"os"
|
||||
"strings"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/jackc/pgx/v5/pgxpool"
|
||||
)
|
||||
|
||||
func newLifecycleTestSetup(t *testing.T) (*Registry, *Lifecycle, *pgxpool.Pool, 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(),
|
||||
previous_status TEXT,
|
||||
deletion_scheduled_at TIMESTAMPTZ
|
||||
)`); err != nil {
|
||||
t.Fatalf("registry-schema: %v", err)
|
||||
}
|
||||
|
||||
registry := NewRegistry(registryPool)
|
||||
dsnTemplate := strings.Replace(adminDSN, "/postgres?", "/%s?", 1)
|
||||
provisioner := NewProvisioner(adminPool, registry, dsnTemplate)
|
||||
lifecycle := NewLifecycle(registry, adminPool)
|
||||
|
||||
cleanup := func() {
|
||||
registryPool.Close()
|
||||
adminPool.Close()
|
||||
}
|
||||
_ = provisioner
|
||||
return registry, lifecycle, adminPool, cleanup
|
||||
}
|
||||
|
||||
func provisionTestTenant(t *testing.T, registry *Registry, adminPool *pgxpool.Pool, slug string) {
|
||||
t.Helper()
|
||||
dsnTemplate := strings.Replace(os.Getenv("TEST_ADMIN_DSN"), "/postgres?", "/%s?", 1)
|
||||
provisioner := NewProvisioner(adminPool, registry, dsnTemplate)
|
||||
if _, err := provisioner.Provision(context.Background(), slug, slug); err != nil {
|
||||
t.Fatalf("provision %s: %v", slug, err)
|
||||
}
|
||||
t.Cleanup(func() {
|
||||
ctx := context.Background()
|
||||
_, _ = adminPool.Exec(ctx, fmt.Sprintf(`DROP DATABASE IF EXISTS %q`, dbNameForSlug(slug)))
|
||||
_, _ = registry.pool.Exec(ctx, `DELETE FROM tenants WHERE slug = $1`, slug)
|
||||
})
|
||||
}
|
||||
|
||||
// Akzeptanzkriterium 1 (Suspend) + 2 (Reactivate) + Pruefung 1 (Uebergaenge).
|
||||
func TestLifecycle_SuspendAndReactivate(t *testing.T) {
|
||||
registry, _, adminPool, cleanup := newLifecycleTestSetup(t)
|
||||
defer cleanup()
|
||||
provisionTestTenant(t, registry, adminPool, "lc_suspend")
|
||||
ctx := context.Background()
|
||||
|
||||
suspended, err := registry.Suspend(ctx, "lc_suspend")
|
||||
if err != nil {
|
||||
t.Fatalf("suspend: %v", err)
|
||||
}
|
||||
if suspended.Status != StatusSuspended {
|
||||
t.Fatalf("status = %q, want suspended", suspended.Status)
|
||||
}
|
||||
|
||||
reactivated, err := registry.Reactivate(ctx, "lc_suspend")
|
||||
if err != nil {
|
||||
t.Fatalf("reactivate: %v", err)
|
||||
}
|
||||
if reactivated.Status != StatusActive {
|
||||
t.Fatalf("status = %q, want active", reactivated.Status)
|
||||
}
|
||||
}
|
||||
|
||||
// Pruefung 1: ungueltige Uebergaenge werden abgewiesen.
|
||||
func TestLifecycle_RejectsInvalidTransitions(t *testing.T) {
|
||||
registry, _, adminPool, cleanup := newLifecycleTestSetup(t)
|
||||
defer cleanup()
|
||||
provisionTestTenant(t, registry, adminPool, "lc_invalid")
|
||||
ctx := context.Background()
|
||||
|
||||
// Reactivate auf einem bereits aktiven Tenant ist kein gueltiger Uebergang.
|
||||
if _, err := registry.Reactivate(ctx, "lc_invalid"); !errors.Is(err, ErrInvalidTransition) {
|
||||
t.Fatalf("erwartet ErrInvalidTransition, habe %v", err)
|
||||
}
|
||||
|
||||
if _, err := registry.Suspend(ctx, "lc_invalid"); err != nil {
|
||||
t.Fatalf("suspend: %v", err)
|
||||
}
|
||||
// Suspend auf einem bereits suspendierten Tenant ist ebenfalls ungueltig.
|
||||
if _, err := registry.Suspend(ctx, "lc_invalid"); !errors.Is(err, ErrInvalidTransition) {
|
||||
t.Fatalf("erwartet ErrInvalidTransition, habe %v", err)
|
||||
}
|
||||
|
||||
// CancelDeletion ohne vorherige Loeschvormerkung ist ungueltig.
|
||||
if _, err := registry.CancelDeletion(ctx, "lc_invalid"); !errors.Is(err, ErrInvalidTransition) {
|
||||
t.Fatalf("erwartet ErrInvalidTransition, habe %v", err)
|
||||
}
|
||||
|
||||
if _, err := registry.Suspend(ctx, "unbekannter-slug-xyz"); !errors.Is(err, ErrTenantNotFound) {
|
||||
t.Fatalf("erwartet ErrTenantNotFound, habe %v", err)
|
||||
}
|
||||
}
|
||||
|
||||
// Akzeptanzkriterium 3: Loeschung zweistufig mit Karenzzeit, innerhalb der
|
||||
// Frist widerrufbar — sowohl aus 'active' als auch aus 'suspended' heraus,
|
||||
// mit exakter Wiederherstellung des jeweiligen Vorzustands.
|
||||
func TestLifecycle_ScheduleAndCancelDeletion_RestoresExactPreviousState(t *testing.T) {
|
||||
registry, _, adminPool, cleanup := newLifecycleTestSetup(t)
|
||||
defer cleanup()
|
||||
provisionTestTenant(t, registry, adminPool, "lc_cancel_active")
|
||||
provisionTestTenant(t, registry, adminPool, "lc_cancel_suspended")
|
||||
ctx := context.Background()
|
||||
|
||||
// Fall 1: aus 'active' heraus vorgemerkt und widerrufen.
|
||||
scheduled, err := registry.ScheduleDeletion(ctx, "lc_cancel_active", time.Hour)
|
||||
if err != nil {
|
||||
t.Fatalf("schedule deletion: %v", err)
|
||||
}
|
||||
if scheduled.Status != StatusPendingDeletion {
|
||||
t.Fatalf("status = %q, want pending_deletion", scheduled.Status)
|
||||
}
|
||||
if scheduled.DeletionScheduledAt == nil {
|
||||
t.Fatal("erwartet gesetzte deletion_scheduled_at")
|
||||
}
|
||||
|
||||
restored, err := registry.CancelDeletion(ctx, "lc_cancel_active")
|
||||
if err != nil {
|
||||
t.Fatalf("cancel deletion: %v", err)
|
||||
}
|
||||
if restored.Status != StatusActive {
|
||||
t.Fatalf("status = %q, want active (vorheriger zustand)", restored.Status)
|
||||
}
|
||||
|
||||
// Fall 2: aus 'suspended' heraus vorgemerkt und widerrufen — muss zu
|
||||
// 'suspended' zurueckkehren, NICHT zu 'active'.
|
||||
if _, err := registry.Suspend(ctx, "lc_cancel_suspended"); err != nil {
|
||||
t.Fatalf("suspend: %v", err)
|
||||
}
|
||||
if _, err := registry.ScheduleDeletion(ctx, "lc_cancel_suspended", time.Hour); err != nil {
|
||||
t.Fatalf("schedule deletion: %v", err)
|
||||
}
|
||||
restoredSuspended, err := registry.CancelDeletion(ctx, "lc_cancel_suspended")
|
||||
if err != nil {
|
||||
t.Fatalf("cancel deletion: %v", err)
|
||||
}
|
||||
if restoredSuspended.Status != StatusSuspended {
|
||||
t.Fatalf("status = %q, want suspended (vorheriger zustand)", restoredSuspended.Status)
|
||||
}
|
||||
}
|
||||
|
||||
// Akzeptanzkriterium 1 + Pruefung 2: suspendierter Tenant erzeugt bei jedem
|
||||
// Zugriffsversuch einen klaren Fehler.
|
||||
func TestLifecycle_CheckActive_RejectsNonActive(t *testing.T) {
|
||||
registry, lifecycle, adminPool, cleanup := newLifecycleTestSetup(t)
|
||||
defer cleanup()
|
||||
provisionTestTenant(t, registry, adminPool, "lc_checkactive")
|
||||
ctx := context.Background()
|
||||
|
||||
if err := lifecycle.CheckActive(ctx, "lc_checkactive"); err != nil {
|
||||
t.Fatalf("aktiver tenant sollte durchgehen, habe %v", err)
|
||||
}
|
||||
|
||||
if _, err := registry.Suspend(ctx, "lc_checkactive"); err != nil {
|
||||
t.Fatalf("suspend: %v", err)
|
||||
}
|
||||
|
||||
for i := 0; i < 3; i++ {
|
||||
if err := lifecycle.CheckActive(ctx, "lc_checkactive"); !errors.Is(err, ErrTenantNotActive) {
|
||||
t.Fatalf("versuch %d: erwartet ErrTenantNotActive, habe %v", i, err)
|
||||
}
|
||||
}
|
||||
|
||||
if err := lifecycle.CheckActive(ctx, "nie-registriert"); !errors.Is(err, ErrTenantNotFound) {
|
||||
t.Fatalf("erwartet ErrTenantNotFound, habe %v", err)
|
||||
}
|
||||
}
|
||||
|
||||
// Akzeptanzkriterium 3 + Pruefung 3: Loeschvorgang nach Ablauf der Karenzzeit
|
||||
// automatisch ausgeloest (hier durch direkten Aufruf von ProcessDueDeletions,
|
||||
// das RunSweeper periodisch aufruft).
|
||||
func TestLifecycle_ProcessDueDeletions(t *testing.T) {
|
||||
registry, lifecycle, adminPool, cleanup := newLifecycleTestSetup(t)
|
||||
defer cleanup()
|
||||
provisionTestTenant(t, registry, adminPool, "lc_due")
|
||||
provisionTestTenant(t, registry, adminPool, "lc_not_due")
|
||||
ctx := context.Background()
|
||||
|
||||
// lc_due: Karenzzeit liegt bereits in der Vergangenheit -> faellig.
|
||||
if _, err := registry.ScheduleDeletion(ctx, "lc_due", -time.Minute); err != nil {
|
||||
t.Fatalf("schedule deletion (due): %v", err)
|
||||
}
|
||||
// lc_not_due: Karenzzeit liegt weit in der Zukunft -> nicht faellig.
|
||||
if _, err := registry.ScheduleDeletion(ctx, "lc_not_due", time.Hour); err != nil {
|
||||
t.Fatalf("schedule deletion (not due): %v", err)
|
||||
}
|
||||
|
||||
processed, err := lifecycle.ProcessDueDeletions(ctx)
|
||||
if err != nil {
|
||||
t.Fatalf("process due deletions: %v", err)
|
||||
}
|
||||
if processed != 1 {
|
||||
t.Fatalf("erwartet genau 1 verarbeitete loeschung, habe %d", processed)
|
||||
}
|
||||
|
||||
due, err := registry.GetBySlug(ctx, "lc_due")
|
||||
if err != nil {
|
||||
t.Fatalf("get lc_due: %v", err)
|
||||
}
|
||||
if due.Status != StatusDeleted {
|
||||
t.Fatalf("lc_due status = %q, want deleted", due.Status)
|
||||
}
|
||||
|
||||
notDue, err := registry.GetBySlug(ctx, "lc_not_due")
|
||||
if err != nil {
|
||||
t.Fatalf("get lc_not_due: %v", err)
|
||||
}
|
||||
if notDue.Status != StatusPendingDeletion {
|
||||
t.Fatalf("lc_not_due status = %q, want pending_deletion (noch nicht faellig)", notDue.Status)
|
||||
}
|
||||
|
||||
// Datenbank von lc_due wurde tatsaechlich physisch entfernt.
|
||||
var exists bool
|
||||
if err := adminPool.QueryRow(ctx, `SELECT EXISTS(SELECT 1 FROM pg_database WHERE datname = $1)`,
|
||||
dbNameForSlug("lc_due")).Scan(&exists); err != nil {
|
||||
t.Fatalf("pg_database pruefen: %v", err)
|
||||
}
|
||||
if exists {
|
||||
t.Fatal("erwartet, dass die tenant-datenbank von lc_due geloescht wurde")
|
||||
}
|
||||
}
|
||||
@@ -35,13 +35,17 @@ func (r *Registry) insertTx(ctx context.Context, tx pgx.Tx, t Tenant) (Tenant, e
|
||||
}
|
||||
|
||||
func (r *Registry) GetBySlug(ctx context.Context, slug string) (Tenant, error) {
|
||||
// previous_status/deletion_scheduled_at werden mitgelesen, damit TEN-04
|
||||
// (internal/tenant/lifecycle.go) den vollstaendigen Lebenszyklus-Zustand
|
||||
// ueber GetBySlug ansehen kann, statt eine eigene Abfrage zu duplizieren.
|
||||
var t Tenant
|
||||
row := r.pool.QueryRow(ctx, `
|
||||
SELECT id, slug, name, db_name, db_dsn, status, created_at
|
||||
SELECT id, slug, name, db_name, db_dsn, status, created_at, previous_status, deletion_scheduled_at
|
||||
FROM tenants WHERE slug = $1
|
||||
`, slug)
|
||||
|
||||
if err := row.Scan(&t.ID, &t.Slug, &t.Name, &t.DBName, &t.DBDSN, &t.Status, &t.CreatedAt); err != nil {
|
||||
if err := row.Scan(&t.ID, &t.Slug, &t.Name, &t.DBName, &t.DBDSN, &t.Status, &t.CreatedAt,
|
||||
&t.PreviousStatus, &t.DeletionScheduledAt); err != nil {
|
||||
return Tenant{}, fmt.Errorf("tenant laden: %w", err)
|
||||
}
|
||||
return t, nil
|
||||
|
||||
@@ -12,6 +12,10 @@ type Status string
|
||||
|
||||
const (
|
||||
StatusActive Status = "active"
|
||||
// Lebenszyklus-Zustaende aus TEN-04 (siehe internal/tenant/lifecycle.go).
|
||||
StatusSuspended Status = "suspended"
|
||||
StatusPendingDeletion Status = "pending_deletion"
|
||||
StatusDeleted Status = "deleted"
|
||||
)
|
||||
|
||||
type Tenant struct {
|
||||
@@ -22,6 +26,11 @@ type Tenant struct {
|
||||
DBDSN string
|
||||
Status Status
|
||||
CreatedAt time.Time
|
||||
// PreviousStatus und DeletionScheduledAt sind nur waehrend
|
||||
// StatusPendingDeletion gesetzt (TEN-04) — sie halten fest, in welchen
|
||||
// Zustand CancelDeletion zurueckkehrt und wann die Karenzzeit ablaeuft.
|
||||
PreviousStatus *string
|
||||
DeletionScheduledAt *time.Time
|
||||
}
|
||||
|
||||
// slugPattern erzwingt sichere, als SQL-Identifier verwendbare Slugs, damit
|
||||
|
||||
@@ -0,0 +1,2 @@
|
||||
ALTER TABLE tenants DROP COLUMN previous_status;
|
||||
ALTER TABLE tenants DROP COLUMN deletion_scheduled_at;
|
||||
@@ -0,0 +1,6 @@
|
||||
-- Lebenszyklus-Zustaende fuer Mandanten (TEN-04, siehe core-kanban/tickets/TEN-04.md).
|
||||
-- previous_status haelt den Zustand VOR einer Loeschvormerkung, damit
|
||||
-- CancelDeletion "den vorherigen Zustand vollstaendig wiederherstellt"
|
||||
-- (aktiv ODER suspendiert), statt hart auf 'active' zurueckzusetzen.
|
||||
ALTER TABLE tenants ADD COLUMN previous_status TEXT;
|
||||
ALTER TABLE tenants ADD COLUMN deletion_scheduled_at TIMESTAMPTZ;
|
||||
@@ -1 +0,0 @@
|
||||
DROP TABLE IF EXISTS feature_flags;
|
||||
@@ -1,10 +0,0 @@
|
||||
-- Feature-Flags zentral je Mandant/Zielgruppe (LIC-02, siehe core-kanban/tickets/LIC-02.md).
|
||||
-- Lebt in der Registry-DB, nicht pro Tenant-Datenbank — Flags sind eine
|
||||
-- Core-weite Konfiguration, keine Mandanten-Geschaeftsdaten.
|
||||
CREATE TABLE feature_flags (
|
||||
key TEXT PRIMARY KEY,
|
||||
enabled BOOLEAN NOT NULL DEFAULT false,
|
||||
rollout_percentage INT NOT NULL DEFAULT 0 CHECK (rollout_percentage BETWEEN 0 AND 100),
|
||||
target_tenant_slugs TEXT[] NOT NULL DEFAULT '{}',
|
||||
updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
|
||||
);
|
||||
@@ -1,2 +0,0 @@
|
||||
DROP TABLE IF EXISTS module_credentials;
|
||||
DROP TABLE IF EXISTS modules;
|
||||
@@ -1,18 +0,0 @@
|
||||
-- Modul-Registry & Aktivierungspruefung (API-02, siehe core-kanban/tickets/API-02.md).
|
||||
CREATE TABLE modules (
|
||||
name TEXT PRIMARY KEY,
|
||||
version TEXT NOT NULL CHECK (version <> ''),
|
||||
required_flags TEXT[] NOT NULL DEFAULT '{}',
|
||||
registered_at TIMESTAMPTZ NOT NULL DEFAULT now()
|
||||
);
|
||||
|
||||
-- Service-Credential je Modul-Instanz, bei Provisionierung ausgestellt
|
||||
-- (Akzeptanzkriterium 4). secret_hash enthaelt NIEMALS das Secret im
|
||||
-- Klartext, nur dessen SHA-256-Hash (Timing-safe-Vergleich beim Login,
|
||||
-- Referenzmuster siehe AUD-02).
|
||||
CREATE TABLE module_credentials (
|
||||
module_name TEXT PRIMARY KEY REFERENCES modules(name),
|
||||
client_id TEXT NOT NULL UNIQUE,
|
||||
secret_hash BYTEA NOT NULL,
|
||||
issued_at TIMESTAMPTZ NOT NULL DEFAULT now()
|
||||
);
|
||||
@@ -1,11 +1,23 @@
|
||||
#!/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 "$ROLE" -d postgres -v ON_ERROR_STOP=1 -c "DROP TABLE IF EXISTS tenants;"
|
||||
|
||||
dbs=$(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."
|
||||
|
||||
@@ -1,12 +0,0 @@
|
||||
#!/usr/bin/env bash
|
||||
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