start to use gorilla mux for logger

go.sum

 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
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@@ -13,12 +17,16 @@ github.com/coreos/go-systemd v0.0.0-20181031085051-9002847aa142/go.mod h1:F5haX7
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@@ -29,11 +37,13 @@ github.com/gogo/protobuf v1.1.1 h1:72R+M5VuhED/KujmZVcIquuo8mBgX4oVda//DQb3PXo=
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@@ -49,55 +59,79 @@ github.com/googleapis/gnostic v0.2.0 h1:l6N3VoaVzTncYYW+9yOz2LJJammFZGBO13sqgEhp
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@@ -117,6 +151,7 @@ golang.org/x/net v0.0.0-20181106065722-10aee1819953/go.mod h1:mL1N/T3taQHkDXs73r
 golang.org/x/net v0.0.0-20181114220301-adae6a3d119a h1:gOpx8G595UYyvj8UK4+OFyY4rx037g3fmfhe5SasG3U=
 golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
+golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f h1:wMNYb4v58l5UBM7MYRLPG6ZhfOqbKu7X5eyFl8ZhKvA=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -136,13 +171,18 @@ google.golang.org/genproto v0.0.0-20181109154231-b5d43981345b/go.mod h1:7Ep/1NZk
 google.golang.org/grpc v1.14.0/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw=
 google.golang.org/grpc v1.16.0 h1:dz5IJGuC2BB7qXR5AyHNwAUBhZscK2xVez7mznh72sY=
 google.golang.org/grpc v1.16.0/go.mod h1:0JHn/cJsOMiMfNA9+DeHDlAU7KAAB5GDlYFpa9MZMio=
+gopkg.in/airbrake/gobrake.v2 v2.0.9 h1:7z2uVWwn7oVeeugY1DtlPAy5H+KYgB1KeKTnqjNatLo=
 gopkg.in/airbrake/gobrake.v2 v2.0.9/go.mod h1:/h5ZAUhDkGaJfjzjKLSjv6zCL6O0LLBxU4K+aSYdM/U=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/cheggaaa/pb.v1 v1.0.25/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qStrOgw=
+gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
+gopkg.in/gemnasium/logrus-airbrake-hook.v2 v2.1.2 h1:OAj3g0cR6Dx/R07QgQe8wkA9RNjB2u4i700xBkIT4e0=
 gopkg.in/gemnasium/logrus-airbrake-hook.v2 v2.1.2/go.mod h1:Xk6kEKp8OKb+X14hQBKWaSkCsqBpgog8nAV2xsGOxlo=
 gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc=
 gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
+gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/yaml.v2 v2.2.1 h1:mUhvW9EsL+naU5Q3cakzfE91YhliOondGd6ZrsDBHQE=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

pkg/ams/handler.go

@@ -487,7 +487,6 @@ func (ams *AMS) server(port int) (serv *http.Server) {
 
 // listen opens a http server listening and serving request
 func (ams *AMS) listen(serv *http.Server) (err error) {
-
 	ams.logInfo.Println("AMS listening on " + serv.Addr)
 	err = serv.ListenAndServe()
 	return

pkg/logger/handler.go

@@ -57,6 +57,7 @@ import (
 
 	"git.rwth-aachen.de/acs/public/cloud/mas/clonemap/pkg/common/httpreply"
 	"git.rwth-aachen.de/acs/public/cloud/mas/clonemap/pkg/schemas"
+	"github.com/gorilla/mux"
 )
 
 // handleAPI is the global handler for requests to path /api
@@ -68,11 +69,6 @@ func (logger *Logger) handleAPI(w http.ResponseWriter, r *http.Request) {
 	resvalid := false
 
 	switch len(respath) {
-	case 3:
-		if respath[2] == "alive" {
-			cmapErr, httpErr = logger.handleAlive(w, r)
-			resvalid = true
-		}
 	case 5:
 		if respath[2] == "logging" {
 			var masID int
@@ -173,13 +169,11 @@ func (logger *Logger) handleAPI(w http.ResponseWriter, r *http.Request) {
 }
 
 // handleAlive is the handler for requests to path /api/alive
-func (logger *Logger) handleAlive(w http.ResponseWriter, r *http.Request) (cmapErr, httpErr error) {
-	if r.Method == "GET" {
-		httpErr = httpreply.Alive(w, nil)
-	} else {
-		httpErr = httpreply.MethodNotAllowed(w)
-		cmapErr = errors.New("Error: Method not allowed on path /api/alive")
-	}
+func (logger *Logger) handleAlive(w http.ResponseWriter, r *http.Request) {
+	logger.logInfo.Println("Received Request: ", r.Method, " ", r.URL.EscapedPath())
+	var httpErr error
+	httpErr = httpreply.Alive(w, nil)
+	logger.logErrors(r.URL.Path, nil, httpErr)
 	return
 }
 
@@ -353,14 +347,54 @@ func (logger *Logger) handleStateList(masID int, w http.ResponseWriter,
 	return
 }
 
-// listen opens a http server listening and serving request
-func (logger *Logger) listen() (err error) {
-	mux := http.NewServeMux()
-	mux.HandleFunc("/api/", logger.handleAPI)
-	s := &http.Server{
-		Addr:    ":11000",
-		Handler: mux,
+// methodNotAllowed is the default handler for valid paths but invalid methods
+func (logger *Logger) methodNotAllowed(w http.ResponseWriter, r *http.Request) {
+	logger.logInfo.Println("Received Request: ", r.Method, " ", r.URL.EscapedPath())
+	httpErr := httpreply.MethodNotAllowed(w)
+	cmapErr := errors.New("Error: Method not allowed on path " + r.URL.Path)
+	logger.logErrors(r.URL.Path, cmapErr, httpErr)
+	return
+}
+
+// resourceNotFound is the default handler for invalid paths
+func (logger *Logger) resourceNotFound(w http.ResponseWriter, r *http.Request) {
+	logger.logInfo.Println("Received Request: ", r.Method, " ", r.URL.EscapedPath())
+	httpErr := httpreply.NotFoundError(w)
+	cmapErr := errors.New("Resource not found")
+	logger.logErrors(r.URL.Path, cmapErr, httpErr)
+	return
+}
+
+// logErrors logs errors if any
+func (logger *Logger) logErrors(path string, cmapErr error, httpErr error) {
+	if cmapErr != nil {
+		logger.logError.Println(path, cmapErr)
+	}
+	if httpErr != nil {
+		logger.logError.Println(path, httpErr)
+	}
+	return
+}
+
+// server creates the logger server
+func (logger *Logger) server(port int) (serv *http.Server) {
+	r := mux.NewRouter()
+	r.HandleFunc("/api/", logger.handleAPI)
+	// s := r.PathPrefix("/api").Subrouter()
+	// s.Path("/alive").Methods("GET").HandlerFunc(logger.handleAlive)
+
+	// s.PathPrefix("").HandlerFunc(logger.resourceNotFound)
+
+	serv = &http.Server{
+		Addr:    ":" + strconv.Itoa(port),
+		Handler: r,
 	}
-	err = s.ListenAndServe()
+	return
+}
+
+// listen opens a http server listening and serving request
+func (logger *Logger) listen(serv *http.Server) (err error) {
+	logger.logInfo.Println("Logger listening on " + serv.Addr)
+	err = serv.ListenAndServe()
 	return
 }

pkg/logger/logger.go

@@ -70,7 +70,12 @@ func StartLogger() {
 		log.logError.Println(err)
 		return
 	}
-	err = log.listen()
+	serv := log.server(11000)
+	if err != nil {
+		log.logError.Println(err)
+		return
+	}
+	err = log.listen(serv)
 	if err != nil {
 		log.logError.Println(err)
 	}