Don't forward _ping requests to the primary

docker-archive · Nov 28, 2016 · c064c2b · c064c2b
1 parent 8657215
commit c064c2b
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/api/replica.go b/api/replica.go
@@ -46,6 +46,13 @@ func (p *Replica) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	// We also handle /_ping locally, but we do so after the primary
+	// check above.
+	if strings.HasSuffix(r.URL.Path, "/_ping") {
+		w.Write([]byte("OK"))
+		return
+	}
+
 	if err := hijack(p.tlsConfig, p.primary, w, r); err != nil {
 		httpError(w, fmt.Sprintf("Unable to reach primary cluster manager (%s): %v", err, p.primary), http.StatusInternalServerError)
 	}