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56 lines
1.8 KiB
Go
56 lines
1.8 KiB
Go
/*
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Copyright 2015 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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// A webserver that runs n http handlers. Example invocation:
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// - server -port 8080 -prefix foo -num 10 -start 0
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// Will given you 10 /foo(i) endpoints that simply echo foo(i) when requested.
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// - server -start 3 -num 1
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// Will create just one endpoint, at /foo3
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package main
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import (
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"flag"
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"fmt"
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"log"
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"net/http"
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)
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var (
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port = flag.Int("port", 8080, "Port number for requests.")
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prefix = flag.String("prefix", "foo", "String used as path prefix")
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num = flag.Int("num", 10, "Number of endpoints to create.")
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start = flag.Int("start", 0, "Index to start, only makes sense with --num")
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)
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func main() {
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flag.Parse()
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// This container is used to test the GCE L7 controller which expects "/"
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// to return a 200 response.
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http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusOK)
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fmt.Fprint(w, "ok")
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})
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for i := *start; i < *start+*num; i++ {
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path := fmt.Sprintf("%v%d", *prefix, i)
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http.HandleFunc(fmt.Sprintf("/%v", path), func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusOK)
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fmt.Fprint(w, path)
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})
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}
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log.Printf("server -port %d -prefix %v -num %d -start %d", *port, *prefix, *num, *start)
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http.ListenAndServe(fmt.Sprintf(":%d", *port), nil)
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}
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