Direct quota exceeders to request quote

Author: tyler-french

enterprise/server/quota/quota_manager.go

@@ -29,9 +29,7 @@ import (
 	qpb "github.com/buildbuddy-io/buildbuddy/proto/quota"
 )
 
-var (
-	quotaManagerEnabled = flag.Bool("app.enable_quota_management", false, "If set, quota management will be enabled")
-)
+var quotaManagerEnabled = flag.Bool("app.enable_quota_management", false, "If set, quota management will be enabled")
 
 const (
 	// The maximum number of attempts to update rate limit data in redis.
@@ -140,7 +138,8 @@ func fetchConfigFromDB(env environment.Env, namespace string) (map[string]*names
 		func(ctx context.Context, qbg *struct {
 			tables.QuotaBucket
 			*tables.QuotaGroup
-		}) error {
+		},
+		) error {
 			qb := &qbg.QuotaBucket
 			ns, ok := config[qb.Namespace]
 			if !ok {
@@ -339,7 +338,6 @@ func (qm *QuotaManager) findBucket(nsName string, key string) Bucket {
 
 func (qm *QuotaManager) Allow(ctx context.Context, namespace string, quantity int64) error {
 	key, err := quota.GetKey(ctx, qm.env)
-
 	if err != nil {
 		metrics.QuotaKeyEmptyCount.With(prometheus.Labels{
 			metrics.QuotaNamespace: namespace,
@@ -366,7 +364,7 @@ func (qm *QuotaManager) Allow(ctx context.Context, namespace string, quantity in
 			metrics.QuotaNamespace: namespace,
 			metrics.QuotaKey:       key,
 		}).Inc()
-		return status.ResourceExhaustedErrorf("quota exceeded for %q", namespace)
+		return status.ResourceExhaustedErrorf("quota exceeded for %q. Increase your limit at https://buildbuddy.io/request-quote", namespace)
 	}
 }
 
@@ -570,7 +568,6 @@ func (qm *QuotaManager) reloadNamespaces() error {
 		ns, err := qm.createNamespace(qm.env, nsName, nsConfig)
 		if err != nil {
 			return err
-
 		}
 		qm.namespaces.Store(nsName, ns)
 	}