External alert-handler support.

gateway/plugin/external.go

@@ -0,0 +1,31 @@
+package plugin
+
+import (
+	"net/url"
+
+	"github.com/alexellis/faas/gateway/handlers"
+)
+
+func NewExternalServiceQuery(externalURL url.URL) handlers.ServiceQuery {
+	return ExternalServiceQuery{
+		URL: externalURL,
+	}
+}
+
+type ExternalServiceQuery struct {
+	URL url.URL
+}
+
+// GetReplicas replica count for function
+func (s ExternalServiceQuery) GetReplicas(serviceName string) (uint64, uint64, error) {
+	var err error
+
+	return 0, 0, err
+}
+
+// SetReplicas update the replica count
+func (s ExternalServiceQuery) SetReplicas(serviceName string, count uint64) error {
+	var err error
+
+	return err
+}