92 lines
2.5 KiB
Go
92 lines
2.5 KiB
Go
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/*
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Copyright 2014 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package main
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import (
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"encoding/json"
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"net/http"
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"os"
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"strings"
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"github.com/codegangsta/negroni"
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"github.com/gorilla/mux"
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"github.com/xyproto/simpleredis"
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)
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var (
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masterPool *simpleredis.ConnectionPool
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slavePool *simpleredis.ConnectionPool
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)
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func ListRangeHandler(rw http.ResponseWriter, req *http.Request) {
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key := mux.Vars(req)["key"]
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list := simpleredis.NewList(slavePool, key)
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members := HandleError(list.GetAll()).([]string)
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membersJSON := HandleError(json.MarshalIndent(members, "", " ")).([]byte)
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rw.Write(membersJSON)
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}
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func ListPushHandler(rw http.ResponseWriter, req *http.Request) {
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key := mux.Vars(req)["key"]
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value := mux.Vars(req)["value"]
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list := simpleredis.NewList(masterPool, key)
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HandleError(nil, list.Add(value))
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ListRangeHandler(rw, req)
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}
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func InfoHandler(rw http.ResponseWriter, req *http.Request) {
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info := HandleError(masterPool.Get(0).Do("INFO")).([]byte)
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rw.Write(info)
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}
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func EnvHandler(rw http.ResponseWriter, req *http.Request) {
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environment := make(map[string]string)
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for _, item := range os.Environ() {
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splits := strings.Split(item, "=")
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key := splits[0]
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val := strings.Join(splits[1:], "=")
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environment[key] = val
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}
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envJSON := HandleError(json.MarshalIndent(environment, "", " ")).([]byte)
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rw.Write(envJSON)
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}
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func HandleError(result interface{}, err error) (r interface{}) {
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if err != nil {
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panic(err)
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}
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return result
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}
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func main() {
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masterPool = simpleredis.NewConnectionPoolHost("redis-master:6379")
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defer masterPool.Close()
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slavePool = simpleredis.NewConnectionPoolHost("redis-slave:6379")
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defer slavePool.Close()
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r := mux.NewRouter()
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r.Path("/lrange/{key}").Methods("GET").HandlerFunc(ListRangeHandler)
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r.Path("/rpush/{key}/{value}").Methods("GET").HandlerFunc(ListPushHandler)
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r.Path("/info").Methods("GET").HandlerFunc(InfoHandler)
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r.Path("/env").Methods("GET").HandlerFunc(EnvHandler)
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n := negroni.Classic()
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n.UseHandler(r)
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n.Run(":3000")
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}
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