Poolmgr client

poolmgr/client/client.go

@@ -0,0 +1,60 @@
+/*
+Copyright 2016 The Fission 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 client
+
+import (
+	"net/http"
+	"strings"
+
+	"bytes"
+	"encoding/json"
+	"github.com/platform9/fission"
+	"io/ioutil"
+)
+
+type Client struct {
+	poolmgrUrl string
+}
+
+func MakeClient(poolmgrUrl string) *Client {
+	return &Client{poolmgrUrl: strings.TrimSuffix(poolmgrUrl, "/")}
+}
+
+func (c *Client) GetServiceForFunction(metadata *fission.Metadata) (string, error) {
+	url := c.poolmgrUrl + "/v1/getServiceForFunction"
+	body, err := json.Marshal(metadata)
+	if err != nil {
+		return "", err
+	}
+
+	resp, err := http.Post(url, "application/json", bytes.NewReader(body))
+	if err != nil {
+		return "", err
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != 200 {
+		return "", fission.MakeErrorFromHTTP(resp)
+	}
+
+	svcName, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return "", err
+	}
+
+	return string(svcName), nil
+}