examples: add Go logging webhook

Procfile

@@ -1,5 +1,5 @@
 a1: ./alertmanager -log.level=debug -storage.path=$TMPDIR/a1 -web.listen-address=:9093 -mesh.hardware-address=00:00:00:00:00:01 -mesh.nickname=a -mesh.listen-address=:8001 -config.file=examples/ha/alertmanager.yaml
 a2: ./alertmanager -log.level=debug -storage.path=$TMPDIR/a2 -web.listen-address=:9094 -mesh.hardware-address=00:00:00:00:00:02 -mesh.nickname=b -mesh.listen-address=:8002 -mesh.peer=127.0.0.1:8001 -config.file=examples/ha/alertmanager.yaml
 a3: ./alertmanager -log.level=debug -storage.path=$TMPDIR/a3 -web.listen-address=:9095 -mesh.hardware-address=00:00:00:00:00:03 -mesh.nickname=c -mesh.listen-address=:8003 -mesh.peer=127.0.0.1:8001 -config.file=examples/ha/alertmanager.yaml
-wh: ./examples/ha/webhook.py
+wh: go run ./examples/webhook/echo.go
 

examples/ha/webhook.py

@@ -1,57 +0,0 @@
-#!/usr/bin/env python
-# Reflects the requests from HTTP methods GET, POST, PUT, and DELETE
-# Written by Nathan Hamiel (2010)
-
-from BaseHTTPServer import HTTPServer, BaseHTTPRequestHandler
-from optparse import OptionParser
-
-class RequestHandler(BaseHTTPRequestHandler):
-    
-    def do_GET(self):
-        
-        request_path = self.path
-        
-        print("\n----- Request Start ----->\n")
-        print(request_path)
-        print(self.headers)
-        print("<----- Request End -----\n")
-        
-        self.send_response(200)
-        self.end_headers()
-        
-    def do_POST(self):
-        
-        request_path = self.path
-        
-        print("\n----- Request Start ----->\n")
-        print(request_path)
-        
-        request_headers = self.headers
-        content_length = request_headers.getheaders('content-length')
-        length = int(content_length[0]) if content_length else 0
-        
-        print(request_headers)
-        print(self.rfile.read(length))
-        print("<----- Request End -----\n")
-        
-        self.send_response(200)
-        self.end_headers()
-    
-    do_PUT = do_POST
-    do_DELETE = do_GET
-        
-def main():
-    port = 5001
-    print('Listening on localhost:%s' % port)
-    server = HTTPServer(('', port), RequestHandler)
-    server.serve_forever()
-
-        
-if __name__ == "__main__":
-    parser = OptionParser()
-    parser.usage = ("Creates an http-server that will echo out any GET or POST parameters\n"
-                    "Run:\n\n"
-                    "   reflect")
-    (options, args) = parser.parse_args()
-    
-    main()

examples/webhook/echo.go

@@ -0,0 +1,19 @@
+package main
+
+import (
+	"io/ioutil"
+	"log"
+	"net/http"
+)
+
+func main() {
+	http.ListenAndServe(":5001", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		log.Println("received request:", r.Header)
+		b, err := ioutil.ReadAll(r.Body)
+		if err != nil {
+			panic(err)
+		}
+		defer r.Body.Close()
+		log.Println("request body:", string(b))
+	}))
+}