Reset listener=nil before running main() from test cases, so
[arvados.git] / services / keepproxy / keepproxy.go
index 620434f4de3677c5193185924f35029c9da01872..888db7357d47bc8035301501b8d201a3dc8c4c36 100644 (file)
@@ -105,7 +105,6 @@ func main() {
                s := <-sig
                log.Println("caught signal:", s)
                listener.Close()
-               listener = nil
        }(term)
        signal.Notify(term, syscall.SIGTERM)
        signal.Notify(term, syscall.SIGINT)
@@ -248,7 +247,8 @@ func MakeRESTRouter(
                rest.Handle(`/{hash:[0-9a-f]{32}}+{hints}`, PutBlockHandler{kc, t}).Methods("PUT")
                rest.Handle(`/{hash:[0-9a-f]{32}}`, PutBlockHandler{kc, t}).Methods("PUT")
                rest.Handle(`/`, PutBlockHandler{kc, t}).Methods("POST")
-               rest.Handle(`/{hash:[0-9a-f]{32}}{ignore}`, OptionsHandler{}).Methods("OPTIONS")
+               rest.Handle(`/{any}`, OptionsHandler{}).Methods("OPTIONS")
+               rest.Handle(`/`, OptionsHandler{}).Methods("OPTIONS")
        }
 
        rest.NotFoundHandler = InvalidPathHandler{}
@@ -256,6 +256,13 @@ func MakeRESTRouter(
        return rest
 }
 
+func SetCorsHeaders(resp http.ResponseWriter) {
+       resp.Header().Set("Access-Control-Allow-Methods", "GET, HEAD, POST, PUT, OPTIONS")
+       resp.Header().Set("Access-Control-Allow-Origin", "*")
+       resp.Header().Set("Access-Control-Allow-Headers", "Authorization, Content-Length, Content-Type, X-Keep-Desired-Replicas")
+       resp.Header().Set("Access-Control-Max-Age", "86486400")
+}
+
 func (this InvalidPathHandler) ServeHTTP(resp http.ResponseWriter, req *http.Request) {
        log.Printf("%s: %s %s unroutable", GetRemoteAddress(req), req.Method, req.URL.Path)
        http.Error(resp, "Bad request", http.StatusBadRequest)
@@ -263,15 +270,11 @@ func (this InvalidPathHandler) ServeHTTP(resp http.ResponseWriter, req *http.Req
 
 func (this OptionsHandler) ServeHTTP(resp http.ResponseWriter, req *http.Request) {
        log.Printf("%s: %s %s", GetRemoteAddress(req), req.Method, req.URL.Path)
-       resp.Header().Set("Access-Control-Allow-Methods", "GET, HEAD, POST, PUT, OPTIONS")
-       resp.Header().Set("Access-Control-Allow-Origin", "*")
-       resp.Header().Set("Access-Control-Allow-Headers", "Authorization, X-Keep-Desired-Replicas")
-       resp.Header().Set("Access-Control-Max-Age", "86486400")
+       SetCorsHeaders(resp)
 }
 
 func (this GetBlockHandler) ServeHTTP(resp http.ResponseWriter, req *http.Request) {
-       resp.Header().Set("Access-Control-Allow-Origin", "*")
-       resp.Header().Set("Access-Control-Allow-Headers", "Authorization")
+       SetCorsHeaders(resp)
 
        kc := *this.KeepClient
 
@@ -335,6 +338,7 @@ func (this GetBlockHandler) ServeHTTP(resp http.ResponseWriter, req *http.Reques
 }
 
 func (this PutBlockHandler) ServeHTTP(resp http.ResponseWriter, req *http.Request) {
+       SetCorsHeaders(resp)
 
        kc := *this.KeepClient
 
@@ -387,7 +391,7 @@ func (this PutBlockHandler) ServeHTTP(resp http.ResponseWriter, req *http.Reques
 
        // Now try to put the block through
        var replicas int
-       var err error
+       var put_err error
        if hash == "" {
                if bytes, err := ioutil.ReadAll(req.Body); err != nil {
                        msg := fmt.Sprintf("Error reading request body: %s", err)
@@ -395,16 +399,16 @@ func (this PutBlockHandler) ServeHTTP(resp http.ResponseWriter, req *http.Reques
                        http.Error(resp, msg, http.StatusInternalServerError)
                        return
                } else {
-                       hash, replicas, err = kc.PutB(bytes)
+                       hash, replicas, put_err = kc.PutB(bytes)
                }
        } else {
-               hash, replicas, err = kc.PutHR(hash, req.Body, contentLength)
+               hash, replicas, put_err = kc.PutHR(hash, req.Body, contentLength)
        }
 
        // Tell the client how many successful PUTs we accomplished
        resp.Header().Set(keepclient.X_Keep_Replicas_Stored, fmt.Sprintf("%d", replicas))
 
-       switch err {
+       switch put_err {
        case nil:
                // Default will return http.StatusOK
                log.Printf("%s: %s %s finished, stored %v replicas (desired %v)", GetRemoteAddress(req), req.Method, hash, replicas, kc.Want_replicas)
@@ -428,15 +432,15 @@ func (this PutBlockHandler) ServeHTTP(resp http.ResponseWriter, req *http.Reques
                                log.Printf("%s: wrote %v bytes to response body and got error %v", n, err2.Error())
                        }
                } else {
-                       http.Error(resp, "", http.StatusServiceUnavailable)
+                       http.Error(resp, put_err.Error(), http.StatusServiceUnavailable)
                }
 
        default:
-               http.Error(resp, err.Error(), http.StatusBadGateway)
+               http.Error(resp, put_err.Error(), http.StatusBadGateway)
        }
 
-       if err != nil {
-               log.Printf("%s: %s %s stored %v replicas (desired %v) got error %v", GetRemoteAddress(req), req.Method, hash, replicas, kc.Want_replicas, err.Error())
+       if put_err != nil {
+               log.Printf("%s: %s %s stored %v replicas (desired %v) got error %v", GetRemoteAddress(req), req.Method, hash, replicas, kc.Want_replicas, put_err.Error())
        }
 
 }