Split implementations from generic code

core/pkg/ingress/annotations/proxy/main.go

@@ -0,0 +1,74 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package proxy
+
+import (
+	"k8s.io/kubernetes/pkg/apis/extensions"
+
+	"k8s.io/ingress/core/pkg/ingress/annotations/parser"
+	"k8s.io/ingress/core/pkg/ingress/defaults"
+)
+
+const (
+	connect    = "ingress.kubernetes.io/proxy-connect-timeout"
+	send       = "ingress.kubernetes.io/proxy-send-timeout"
+	read       = "ingress.kubernetes.io/proxy-read-timeout"
+	bufferSize = "ingress.kubernetes.io/proxy-buffer-size"
+)
+
+// Configuration returns the proxy timeout to use in the upstream server/s
+type Configuration struct {
+	ConnectTimeout int
+	SendTimeout    int
+	ReadTimeout    int
+	BufferSize     string
+}
+
+// ParseAnnotations parses the annotations contained in the ingress
+// rule used to configure upstream check parameters
+func ParseAnnotations(cfg defaults.Backend, ing *extensions.Ingress) *Configuration {
+	if ing == nil || ing.GetAnnotations() == nil {
+		return &Configuration{
+			cfg.ProxyConnectTimeout,
+			cfg.ProxySendTimeout,
+			cfg.ProxyReadTimeout,
+			cfg.ProxyBufferSize,
+		}
+	}
+
+	ct, err := parser.GetIntAnnotation(connect, ing)
+	if err != nil {
+		ct = cfg.ProxyConnectTimeout
+	}
+
+	st, err := parser.GetIntAnnotation(send, ing)
+	if err != nil {
+		st = cfg.ProxySendTimeout
+	}
+
+	rt, err := parser.GetIntAnnotation(read, ing)
+	if err != nil {
+		rt = cfg.ProxyReadTimeout
+	}
+
+	bs, err := parser.GetStringAnnotation(bufferSize, ing)
+	if err != nil || bs == "" {
+		bs = cfg.ProxyBufferSize
+	}
+
+	return &Configuration{ct, st, rt, bs}
+}