IDToken: cache invalidation (#100592)

* Make org role part of id token cache key. This way we will always sign a new token when it changes

* Remove calls to remove id token

pkg/services/auth/idimpl/service.go

@@ -63,7 +63,7 @@ func (s *Service) SignIdentity(ctx context.Context, id identity.Requester) (stri
 		s.metrics.tokenSigningDurationHistogram.Observe(time.Since(t).Seconds())
 	}(time.Now())
 
-	cacheKey := prefixCacheKey(id.GetCacheKey())
+	cacheKey := getCacheKey(id)
 
 	type resultType struct {
 		token    string
@@ -140,7 +140,7 @@ func (s *Service) SignIdentity(ctx context.Context, id identity.Requester) (stri
 }
 
 func (s *Service) RemoveIDToken(ctx context.Context, id identity.Requester) error {
-	return s.cache.Delete(ctx, prefixCacheKey(id.GetCacheKey()))
+	return s.cache.Delete(ctx, getCacheKey(id))
 }
 
 func (s *Service) hook(ctx context.Context, identity *authn.Identity, _ *authn.Request) error {
@@ -181,8 +181,8 @@ func getAudience(orgID int64) jwt.Audience {
 	return jwt.Audience{fmt.Sprintf("org:%d", orgID)}
 }
 
-func prefixCacheKey(key string) string {
-	return fmt.Sprintf("%s-%s", cachePrefix, key)
+func getCacheKey(ident identity.Requester) string {
+	return cachePrefix + ident.GetCacheKey() + string(ident.GetOrgRole())
 }
 
 func shouldLogErr(err error) bool {