support ability to set store, address and namespace via flags and env vars (#1092)

store/cloudflare/cloudflare.go

@@ -96,6 +96,16 @@ func validateOptions(account, token, namespace string) {
 	}
 }
 
+func (w *workersKV) Init(opts ...store.Option) error {
+	for _, o := range opts {
+		o(&w.options)
+	}
+	if len(w.options.Namespace) > 0 {
+		w.namespace = w.options.Namespace
+	}
+	return nil
+}
+
 // In the cloudflare workers KV implemention, List() doesn't guarantee
 // anything as the workers API is eventually consistent.
 func (w *workersKV) List() ([]*store.Record, error) {
@@ -308,7 +318,7 @@ func NewStore(opts ...store.Option) store.Store {
 	}
 
 	if len(namespace) == 0 {
-		namespace = getNamespace(options.Context)
+		namespace = options.Namespace
 	}
 
 	// validate options are not blank or log.Fatal

store/cloudflare/options.go

@@ -25,10 +25,6 @@ func getAccount(ctx context.Context) string {
 	return getOption(ctx, "CF_ACCOUNT_ID")
 }
 
-func getNamespace(ctx context.Context) string {
-	return getOption(ctx, "KV_NAMESPACE_ID")
-}
-
 // Token sets the cloudflare api token
 func Token(t string) store.Option {
 	return func(o *store.Options) {
@@ -52,9 +48,6 @@ func Account(id string) store.Option {
 // Namespace sets the KV namespace
 func Namespace(ns string) store.Option {
 	return func(o *store.Options) {
-		if o.Context == nil {
-			o.Context = context.Background()
-		}
-		o.Context = context.WithValue(o.Context, "KV_NAMESPACE_ID", ns)
+		o.Namespace = ns
 	}
 }