Initial update - manage access log
This commit is contained in:
parent
a6c5e85ae7
commit
10815eca8e
10 changed files with 604 additions and 11 deletions
2
examples/accessLog/.gitignore
vendored
Normal file
2
examples/accessLog/.gitignore
vendored
Normal file
|
@ -0,0 +1,2 @@
|
||||||
|
exampleHandler
|
||||||
|
exampleHandler.exe
|
46
examples/accessLog/exampleHandler.go
Normal file
46
examples/accessLog/exampleHandler.go
Normal file
|
@ -0,0 +1,46 @@
|
||||||
|
/*
|
||||||
|
Simple program to start a web server on a specified port
|
||||||
|
*/
|
||||||
|
package main
|
||||||
|
|
||||||
|
import (
|
||||||
|
"flag"
|
||||||
|
"fmt"
|
||||||
|
"net/http"
|
||||||
|
"os"
|
||||||
|
)
|
||||||
|
|
||||||
|
var (
|
||||||
|
name string
|
||||||
|
port int
|
||||||
|
help *bool
|
||||||
|
)
|
||||||
|
|
||||||
|
func init() {
|
||||||
|
flag.StringVar(&name, "n", "", "Name of handler for messages")
|
||||||
|
flag.IntVar(&port, "p", 0, "Port number to listen")
|
||||||
|
help = flag.Bool("h", false, "Displays help message")
|
||||||
|
}
|
||||||
|
|
||||||
|
func usage() {
|
||||||
|
fmt.Printf("Usage: example -n name -p port \n")
|
||||||
|
os.Exit(2)
|
||||||
|
}
|
||||||
|
|
||||||
|
func handler(w http.ResponseWriter, r *http.Request) {
|
||||||
|
fmt.Fprintf(w, "%s: Received query %s!\n", name, r.URL.Path[1:])
|
||||||
|
}
|
||||||
|
|
||||||
|
func main() {
|
||||||
|
flag.Parse()
|
||||||
|
if *help || len(name) == 0 || port <= 0 {
|
||||||
|
usage()
|
||||||
|
}
|
||||||
|
http.HandleFunc("/", handler)
|
||||||
|
fmt.Printf("%s: Listening on :%d...\n", name, port)
|
||||||
|
if er := http.ListenAndServe(fmt.Sprintf(":%d", port), nil); er != nil {
|
||||||
|
fmt.Printf("%s: Error from ListenAndServe: %s", name, er.Error())
|
||||||
|
os.Exit(1)
|
||||||
|
}
|
||||||
|
fmt.Printf("%s: How'd we get past listen and serve???\n", name)
|
||||||
|
}
|
122
examples/accessLog/runAb.sh
Normal file
122
examples/accessLog/runAb.sh
Normal file
|
@ -0,0 +1,122 @@
|
||||||
|
#!/bin/bash
|
||||||
|
usage()
|
||||||
|
{
|
||||||
|
echo 'runAb.sh - Run Apache Benchmark to test access log'
|
||||||
|
echo ' Usage: runAb.sh [--conn nnn] [--log xxx] [--num nnn] [--time nnn] [--wait nn]'
|
||||||
|
echo ' -c|--conn - number of simultaneous connections (default 100)'
|
||||||
|
echo ' -l|--log - name of logfile (default benchmark.log)'
|
||||||
|
echo ' -n|--num - number of requests (default 50000); ignored when -t specified'
|
||||||
|
echo ' -t|--time - time in seconds for benchmark (default no limit)'
|
||||||
|
echo ' -w|--wait - number of seconds to wait for Traefik to initialize (default 15)'
|
||||||
|
echo ' '
|
||||||
|
exit
|
||||||
|
}
|
||||||
|
|
||||||
|
# Parse options
|
||||||
|
|
||||||
|
conn=100
|
||||||
|
num=50000
|
||||||
|
wait=15
|
||||||
|
time=0
|
||||||
|
logfile=""
|
||||||
|
while [[ $1 =~ ^- ]]
|
||||||
|
do
|
||||||
|
case $1 in
|
||||||
|
-c|--conn)
|
||||||
|
conn=$2
|
||||||
|
shift
|
||||||
|
;;
|
||||||
|
-h|--help)
|
||||||
|
usage
|
||||||
|
;;
|
||||||
|
-l|--log|--logfile)
|
||||||
|
logfile=$2
|
||||||
|
shift
|
||||||
|
;;
|
||||||
|
-n|--num)
|
||||||
|
num=$2
|
||||||
|
shift
|
||||||
|
;;
|
||||||
|
-t|--time)
|
||||||
|
time=$2
|
||||||
|
shift
|
||||||
|
;;
|
||||||
|
-w|--wait)
|
||||||
|
wait=$2
|
||||||
|
shift
|
||||||
|
;;
|
||||||
|
*)
|
||||||
|
echo Unknown option "$1"
|
||||||
|
usage
|
||||||
|
esac
|
||||||
|
shift
|
||||||
|
done
|
||||||
|
if [ -z "$logfile" ] ; then
|
||||||
|
logfile="benchmark.log"
|
||||||
|
fi
|
||||||
|
|
||||||
|
# Change to accessLog examples directory
|
||||||
|
|
||||||
|
[ -d examples/accessLog ] && cd examples/accessLog
|
||||||
|
if [ ! -r exampleHandler.go ] ; then
|
||||||
|
echo Please run this script either from the traefik repo root or from the examples/accessLog directory
|
||||||
|
exit
|
||||||
|
fi
|
||||||
|
|
||||||
|
# Kill traefik and any running example processes
|
||||||
|
|
||||||
|
sudo pkill -f traefik
|
||||||
|
pkill -f exampleHandler
|
||||||
|
[ ! -d log ] && mkdir log
|
||||||
|
|
||||||
|
# Start new example processes
|
||||||
|
|
||||||
|
go build exampleHandler.go
|
||||||
|
[ $? -ne 0 ] && exit $?
|
||||||
|
./exampleHandler -n Handler1 -p 8081 &
|
||||||
|
[ $? -ne 0 ] && exit $?
|
||||||
|
./exampleHandler -n Handler2 -p 8082 &
|
||||||
|
[ $? -ne 0 ] && exit $?
|
||||||
|
./exampleHandler -n Handler3 -p 8083 &
|
||||||
|
[ $? -ne 0 ] && exit $?
|
||||||
|
|
||||||
|
# Wait a couple of seconds for handlers to initialize and start Traefik
|
||||||
|
|
||||||
|
cd ../..
|
||||||
|
sleep 2s
|
||||||
|
echo Starting Traefik...
|
||||||
|
sudo ./traefik -c examples/accessLog/traefik.ab.toml &
|
||||||
|
[ $? -ne 0 ] && exit $?
|
||||||
|
|
||||||
|
# Wait for Traefik to initialize and run ab
|
||||||
|
|
||||||
|
echo Waiting $wait seconds before starting ab benchmark
|
||||||
|
sleep ${wait}s
|
||||||
|
echo
|
||||||
|
stime=`date '+%s'`
|
||||||
|
if [ $time -eq 0 ] ; then
|
||||||
|
echo Benchmark starting `date` with $conn connections until $num requests processed | tee $logfile
|
||||||
|
echo | tee -a $logfile
|
||||||
|
echo ab -k -c $conn -n $num http://127.0.0.1/test | tee -a $logfile
|
||||||
|
echo | tee -a $logfile
|
||||||
|
ab -k -c $conn -n $num http://127.0.0.1/test 2>&1 | tee -a $logfile
|
||||||
|
else
|
||||||
|
if [ $num -ne 50000 ] ; then
|
||||||
|
echo Request count ignored when --time specified
|
||||||
|
fi
|
||||||
|
echo Benchmark starting `date` with $conn connections for $time seconds | tee $logfile
|
||||||
|
echo | tee -a $logfile
|
||||||
|
echo ab -k -c $conn -t $time -n 100000000 http://127.0.0.1/test | tee -a $logfile
|
||||||
|
echo | tee -a $logfile
|
||||||
|
ab -k -c $conn -t $time -n 100000000 http://127.0.0.1/test 2>&1 | tee -a $logfile
|
||||||
|
fi
|
||||||
|
|
||||||
|
etime=`date '+%s'`
|
||||||
|
let "dt=$etime - $stime"
|
||||||
|
let "ds=$dt % 60"
|
||||||
|
let "dm=($dt / 60) % 60"
|
||||||
|
let "dh=$dt / 3600"
|
||||||
|
echo | tee -a $logfile
|
||||||
|
printf "Benchmark ended `date` after %d:%02d:%02d\n" $dh $dm $ds | tee -a $logfile
|
||||||
|
echo Results available in $logfile
|
||||||
|
|
40
examples/accessLog/runExample.sh
Normal file
40
examples/accessLog/runExample.sh
Normal file
|
@ -0,0 +1,40 @@
|
||||||
|
#!/bin/bash
|
||||||
|
# Script to run a three-server example. This script runs the three servers and restarts Traefik
|
||||||
|
# Once it is running, use the command:
|
||||||
|
#
|
||||||
|
# curl http://127.0.0.1:80/test{1,2,2}
|
||||||
|
#
|
||||||
|
# to send requests to send test requests to the servers. You should see a response like:
|
||||||
|
#
|
||||||
|
# Handler1: received query test1!
|
||||||
|
# Handler2: received query test2!
|
||||||
|
# Handler3: received query test2!
|
||||||
|
#
|
||||||
|
# and can then inspect log/access.log to see frontend, backend, and timing
|
||||||
|
|
||||||
|
# Kill traefik and any running example processes
|
||||||
|
sudo pkill -f traefik
|
||||||
|
pkill -f exampleHandler
|
||||||
|
[ ! -d log ] && mkdir log
|
||||||
|
|
||||||
|
# Start new example processes
|
||||||
|
cd examples/accessLog
|
||||||
|
go build exampleHandler.go
|
||||||
|
[ $? -ne 0 ] && exit $?
|
||||||
|
./exampleHandler -n Handler1 -p 8081 &
|
||||||
|
[ $? -ne 0 ] && exit $?
|
||||||
|
./exampleHandler -n Handler2 -p 8082 &
|
||||||
|
[ $? -ne 0 ] && exit $?
|
||||||
|
./exampleHandler -n Handler3 -p 8083 &
|
||||||
|
[ $? -ne 0 ] && exit $?
|
||||||
|
|
||||||
|
# Wait a couple of seconds for handlers to initialize and start Traefik
|
||||||
|
cd ../..
|
||||||
|
sleep 2s
|
||||||
|
echo Starting Traefik...
|
||||||
|
sudo ./traefik -c examples/accessLog/traefik.example.toml &
|
||||||
|
[ $? -ne 0 ] && exit $?
|
||||||
|
|
||||||
|
echo Sample handlers and traefik started successfully!
|
||||||
|
echo 'Use command curl http://127.0.0.1:80/test{1,2,2} to drive test'
|
||||||
|
echo Then inspect log/access.log to verify it contains frontend, backend, and timing
|
37
examples/accessLog/traefik.ab.toml
Normal file
37
examples/accessLog/traefik.ab.toml
Normal file
|
@ -0,0 +1,37 @@
|
||||||
|
################################################################
|
||||||
|
# Global configuration
|
||||||
|
################################################################
|
||||||
|
traefikLogsFile = "log/traefik.log"
|
||||||
|
accessLogsFile = "log/access.log"
|
||||||
|
logLevel = "DEBUG"
|
||||||
|
|
||||||
|
################################################################
|
||||||
|
# Web configuration backend
|
||||||
|
################################################################
|
||||||
|
[web]
|
||||||
|
address = ":7888"
|
||||||
|
|
||||||
|
################################################################
|
||||||
|
# File configuration backend
|
||||||
|
################################################################
|
||||||
|
[file]
|
||||||
|
|
||||||
|
################################################################
|
||||||
|
# rules
|
||||||
|
################################################################
|
||||||
|
[backends]
|
||||||
|
[backends.backend]
|
||||||
|
[backends.backend.LoadBalancer]
|
||||||
|
method = "drr"
|
||||||
|
[backends.backend.servers.server1]
|
||||||
|
url = "http://127.0.0.1:8081"
|
||||||
|
[backends.backend.servers.server2]
|
||||||
|
url = "http://127.0.0.1:8082"
|
||||||
|
[backends.backend.servers.server3]
|
||||||
|
url = "http://127.0.0.1:8083"
|
||||||
|
[frontends]
|
||||||
|
[frontends.frontend]
|
||||||
|
backend = "backend"
|
||||||
|
passHostHeader = true
|
||||||
|
[frontends.frontend.routes.test]
|
||||||
|
rule = "Path: /test"
|
42
examples/accessLog/traefik.example.toml
Normal file
42
examples/accessLog/traefik.example.toml
Normal file
|
@ -0,0 +1,42 @@
|
||||||
|
################################################################
|
||||||
|
# Global configuration
|
||||||
|
################################################################
|
||||||
|
traefikLogsFile = "log/traefik.log"
|
||||||
|
accessLogsFile = "log/access.log"
|
||||||
|
logLevel = "DEBUG"
|
||||||
|
|
||||||
|
################################################################
|
||||||
|
# Web configuration backend
|
||||||
|
################################################################
|
||||||
|
[web]
|
||||||
|
address = ":7888"
|
||||||
|
|
||||||
|
################################################################
|
||||||
|
# File configuration backend
|
||||||
|
################################################################
|
||||||
|
[file]
|
||||||
|
|
||||||
|
################################################################
|
||||||
|
# rules
|
||||||
|
################################################################
|
||||||
|
[backends]
|
||||||
|
[backends.backend1]
|
||||||
|
[backends.backend1.servers.server1]
|
||||||
|
url = "http://127.0.0.1:8081"
|
||||||
|
[backends.backend2]
|
||||||
|
[backends.backend2.LoadBalancer]
|
||||||
|
method = "drr"
|
||||||
|
[backends.backend2.servers.server1]
|
||||||
|
url = "http://127.0.0.1:8082"
|
||||||
|
[backends.backend2.servers.server2]
|
||||||
|
url = "http://127.0.0.1:8083"
|
||||||
|
[frontends]
|
||||||
|
[frontends.frontend1]
|
||||||
|
backend = "backend1"
|
||||||
|
[frontends.frontend1.routes.test_1]
|
||||||
|
rule = "Path: /test1"
|
||||||
|
[frontends.frontend2]
|
||||||
|
backend = "backend2"
|
||||||
|
passHostHeader = true
|
||||||
|
[frontends.frontend2.routes.test_2]
|
||||||
|
rule = "Path: /test2"
|
|
@ -1,18 +1,57 @@
|
||||||
package middlewares
|
package middlewares
|
||||||
|
|
||||||
|
/*
|
||||||
|
Middleware Logger writes each request and its response to the access log.
|
||||||
|
It gets some information from the logInfoResponseWriter set up by previous middleware.
|
||||||
|
*/
|
||||||
|
|
||||||
import (
|
import (
|
||||||
"log"
|
"fmt"
|
||||||
|
log "github.com/Sirupsen/logrus"
|
||||||
|
"github.com/streamrail/concurrent-map"
|
||||||
|
"io"
|
||||||
|
"net"
|
||||||
"net/http"
|
"net/http"
|
||||||
"os"
|
"os"
|
||||||
|
"strconv"
|
||||||
"github.com/gorilla/handlers"
|
"strings"
|
||||||
|
"sync"
|
||||||
|
"sync/atomic"
|
||||||
|
"time"
|
||||||
)
|
)
|
||||||
|
|
||||||
// Logger is a middleware handler that logs the request as it goes in and the response as it goes out.
|
const (
|
||||||
|
loggerReqidHeader = "X-Traefik-Reqid"
|
||||||
|
)
|
||||||
|
|
||||||
|
// Logger holds the File defining the access log
|
||||||
type Logger struct {
|
type Logger struct {
|
||||||
file *os.File
|
file *os.File
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// Logging handler to log frontend name, backend name, and elapsed time
|
||||||
|
type frontendBackendLoggingHandler struct {
|
||||||
|
reqid string
|
||||||
|
writer io.Writer
|
||||||
|
handlerFunc http.HandlerFunc
|
||||||
|
}
|
||||||
|
|
||||||
|
var (
|
||||||
|
reqidCounter uint64 // Request ID
|
||||||
|
infoRwMap = cmap.New() // Map of reqid to response writer
|
||||||
|
backend2FrontendMap map[string]string
|
||||||
|
)
|
||||||
|
|
||||||
|
// logInfoResponseWriter is a wrapper of type http.ResponseWriter
|
||||||
|
// that tracks frontend and backend names and request status and size
|
||||||
|
type logInfoResponseWriter struct {
|
||||||
|
rw http.ResponseWriter
|
||||||
|
backend string
|
||||||
|
frontend string
|
||||||
|
status int
|
||||||
|
size int
|
||||||
|
}
|
||||||
|
|
||||||
// NewLogger returns a new Logger instance.
|
// NewLogger returns a new Logger instance.
|
||||||
func NewLogger(file string) *Logger {
|
func NewLogger(file string) *Logger {
|
||||||
if len(file) > 0 {
|
if len(file) > 0 {
|
||||||
|
@ -25,17 +64,134 @@ func NewLogger(file string) *Logger {
|
||||||
return &Logger{nil}
|
return &Logger{nil}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// SetBackend2FrontendMap is called by server.go to set up frontend translation
|
||||||
|
func SetBackend2FrontendMap(newMap *map[string]string) {
|
||||||
|
backend2FrontendMap = *newMap
|
||||||
|
}
|
||||||
|
|
||||||
func (l *Logger) ServeHTTP(rw http.ResponseWriter, r *http.Request, next http.HandlerFunc) {
|
func (l *Logger) ServeHTTP(rw http.ResponseWriter, r *http.Request, next http.HandlerFunc) {
|
||||||
if l.file == nil {
|
if l.file == nil {
|
||||||
next(rw, r)
|
next(rw, r)
|
||||||
} else {
|
} else {
|
||||||
handlers.CombinedLoggingHandler(l.file, next).ServeHTTP(rw, r)
|
reqid := strconv.FormatUint(atomic.AddUint64(&reqidCounter, 1), 10)
|
||||||
|
log.Debugf("Starting request %s: %s %s %s %s %s", reqid, r.Method, r.URL.RequestURI(), r.Proto, r.Referer(), r.UserAgent())
|
||||||
|
r.Header[loggerReqidHeader] = []string{reqid}
|
||||||
|
defer deleteReqid(r, reqid)
|
||||||
|
frontendBackendLoggingHandler{reqid, l.file, next}.ServeHTTP(rw, r)
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
// Close closes the logger (i.e. the file).
|
// Delete a reqid from the map and the request's headers
|
||||||
|
func deleteReqid(r *http.Request, reqid string) {
|
||||||
|
log.Debugf("Ending request %s", reqid)
|
||||||
|
infoRwMap.Remove(reqid)
|
||||||
|
delete(r.Header, loggerReqidHeader)
|
||||||
|
}
|
||||||
|
|
||||||
|
// Save the backend name for the Logger
|
||||||
|
func saveBackendNameForLogger(r *http.Request, backendName string) {
|
||||||
|
if reqidHdr := r.Header[loggerReqidHeader]; len(reqidHdr) == 1 {
|
||||||
|
reqid := reqidHdr[0]
|
||||||
|
if infoRw, ok := infoRwMap.get(reqid); ok {
|
||||||
|
infoRw.SetBackend(backendName)
|
||||||
|
infoRw.SetFrontend(backend2FrontendMap[backendName])
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Close closes the Logger (i.e. the file).
|
||||||
func (l *Logger) Close() {
|
func (l *Logger) Close() {
|
||||||
if l.file != nil {
|
if l.file != nil {
|
||||||
l.file.Close()
|
l.file.Close()
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// Logging handler to log frontend name, backend name, and elapsed time
|
||||||
|
func (fblh frontendBackendLoggingHandler) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
|
||||||
|
startTime := time.Now()
|
||||||
|
infoRw := &logInfoResponseWriter{rw: rw}
|
||||||
|
infoRwMap.Set(fblh.reqid, infoRw)
|
||||||
|
fblh.handlerFunc(infoRw, req)
|
||||||
|
|
||||||
|
username := "-"
|
||||||
|
url := *req.URL
|
||||||
|
if url.User != nil {
|
||||||
|
if name := url.User.Username(); name != "" {
|
||||||
|
username = name
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
host, _, err := net.SplitHostPort(req.RemoteAddr)
|
||||||
|
if err != nil {
|
||||||
|
host = req.RemoteAddr
|
||||||
|
}
|
||||||
|
|
||||||
|
ts := startTime.Format("02/Jan/2006:15:04:05 -0700")
|
||||||
|
method := req.Method
|
||||||
|
uri := url.RequestURI()
|
||||||
|
if qmIndex := strings.Index(uri, "?"); qmIndex > 0 {
|
||||||
|
uri = uri[0:qmIndex]
|
||||||
|
}
|
||||||
|
proto := req.Proto
|
||||||
|
referer := req.Referer()
|
||||||
|
agent := req.UserAgent()
|
||||||
|
|
||||||
|
frontend := strings.TrimPrefix(infoRw.GetFrontend(), "frontend-")
|
||||||
|
backend := infoRw.GetBackend()
|
||||||
|
status := infoRw.GetStatus()
|
||||||
|
size := infoRw.GetSize()
|
||||||
|
|
||||||
|
elapsed := time.Now().UTC().Sub(startTime.UTC())
|
||||||
|
fmt.Fprintf(fblh.writer, `%s - %s [%s] "%s %s %s" %d %d "%s" "%s" %s "%s" "%s" %s%s`,
|
||||||
|
host, username, ts, method, uri, proto, status, size, referer, agent, fblh.reqid, frontend, backend, elapsed, "\n")
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
func (lirw *logInfoResponseWriter) Header() http.Header {
|
||||||
|
return lirw.rw.Header()
|
||||||
|
}
|
||||||
|
|
||||||
|
func (lirw *logInfoResponseWriter) Write(b []byte) (int, error) {
|
||||||
|
if lirw.status == 0 {
|
||||||
|
lirw.status = http.StatusOK
|
||||||
|
}
|
||||||
|
size, err := lirw.rw.Write(b)
|
||||||
|
lirw.size += size
|
||||||
|
return size, err
|
||||||
|
}
|
||||||
|
|
||||||
|
func (lirw *logInfoResponseWriter) WriteHeader(s int) {
|
||||||
|
lirw.rw.WriteHeader(s)
|
||||||
|
lirw.status = s
|
||||||
|
}
|
||||||
|
|
||||||
|
func (lirw *logInfoResponseWriter) Flush() {
|
||||||
|
f, ok := lirw.rw.(http.Flusher)
|
||||||
|
if ok {
|
||||||
|
f.Flush()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
func (lirw *logInfoResponseWriter) GetStatus() int {
|
||||||
|
return lirw.status
|
||||||
|
}
|
||||||
|
|
||||||
|
func (lirw *logInfoResponseWriter) GetSize() int {
|
||||||
|
return lirw.size
|
||||||
|
}
|
||||||
|
|
||||||
|
func (lirw *logInfoResponseWriter) GetBackend() string {
|
||||||
|
return lirw.backend
|
||||||
|
}
|
||||||
|
|
||||||
|
func (lirw *logInfoResponseWriter) GetFrontend() string {
|
||||||
|
return lirw.frontend
|
||||||
|
}
|
||||||
|
|
||||||
|
func (lirw *logInfoResponseWriter) SetBackend(backend string) {
|
||||||
|
lirw.backend = backend
|
||||||
|
}
|
||||||
|
|
||||||
|
func (lirw *logInfoResponseWriter) SetFrontend(frontend string) {
|
||||||
|
lirw.frontend = frontend
|
||||||
|
}
|
||||||
|
|
116
middlewares/logger_test.go
Normal file
116
middlewares/logger_test.go
Normal file
|
@ -0,0 +1,116 @@
|
||||||
|
package middlewares
|
||||||
|
|
||||||
|
import (
|
||||||
|
"fmt"
|
||||||
|
shellwords "github.com/mattn/go-shellwords"
|
||||||
|
"github.com/stretchr/testify/assert"
|
||||||
|
"io/ioutil"
|
||||||
|
"net/http"
|
||||||
|
"net/url"
|
||||||
|
"os"
|
||||||
|
"path/filepath"
|
||||||
|
"runtime"
|
||||||
|
"testing"
|
||||||
|
)
|
||||||
|
|
||||||
|
type logtestResponseWriter struct{}
|
||||||
|
|
||||||
|
var (
|
||||||
|
logger *Logger
|
||||||
|
logfileName = "traefikTestLogger.log"
|
||||||
|
logfilePath string
|
||||||
|
helloWorld = "Hello, World"
|
||||||
|
testBackendName = "http://127.0.0.1/testBackend"
|
||||||
|
testFrontendName = "testFrontend"
|
||||||
|
testStatus = 123
|
||||||
|
testHostname = "TestHost"
|
||||||
|
testUsername = "TestUser"
|
||||||
|
testPath = "http://testpath"
|
||||||
|
testPort = 8181
|
||||||
|
testProto = "HTTP/0.0"
|
||||||
|
testMethod = "POST"
|
||||||
|
testReferer = "testReferer"
|
||||||
|
testUserAgent = "testUserAgent"
|
||||||
|
testBackend2FrontendMap = map[string]string{
|
||||||
|
testBackendName: testFrontendName,
|
||||||
|
}
|
||||||
|
printedLogdata bool
|
||||||
|
)
|
||||||
|
|
||||||
|
func TestLogger(t *testing.T) {
|
||||||
|
if runtime.GOOS == "windows" {
|
||||||
|
logfilePath = filepath.Join(os.Getenv("TEMP"), logfileName)
|
||||||
|
} else {
|
||||||
|
logfilePath = filepath.Join("/tmp", logfileName)
|
||||||
|
}
|
||||||
|
|
||||||
|
logger = NewLogger(logfilePath)
|
||||||
|
defer cleanup()
|
||||||
|
SetBackend2FrontendMap(&testBackend2FrontendMap)
|
||||||
|
|
||||||
|
r := &http.Request{
|
||||||
|
Header: map[string][]string{
|
||||||
|
"User-Agent": {testUserAgent},
|
||||||
|
"Referer": {testReferer},
|
||||||
|
},
|
||||||
|
Proto: testProto,
|
||||||
|
Host: testHostname,
|
||||||
|
Method: testMethod,
|
||||||
|
RemoteAddr: fmt.Sprintf("%s:%d", testHostname, testPort),
|
||||||
|
URL: &url.URL{
|
||||||
|
User: url.UserPassword(testUsername, ""),
|
||||||
|
Path: testPath,
|
||||||
|
},
|
||||||
|
}
|
||||||
|
|
||||||
|
logger.ServeHTTP(&logtestResponseWriter{}, r, LogWriterTestHandlerFunc)
|
||||||
|
|
||||||
|
if logdata, err := ioutil.ReadFile(logfilePath); err != nil {
|
||||||
|
fmt.Printf("%s\n%s\n", string(logdata), err.Error())
|
||||||
|
assert.Nil(t, err)
|
||||||
|
} else if tokens, err := shellwords.Parse(string(logdata)); err != nil {
|
||||||
|
fmt.Printf("%s\n", err.Error())
|
||||||
|
assert.Nil(t, err)
|
||||||
|
} else if assert.Equal(t, 14, len(tokens), printLogdata(logdata)) {
|
||||||
|
assert.Equal(t, testHostname, tokens[0], printLogdata(logdata))
|
||||||
|
assert.Equal(t, testUsername, tokens[2], printLogdata(logdata))
|
||||||
|
assert.Equal(t, fmt.Sprintf("%s %s %s", testMethod, testPath, testProto), tokens[5], printLogdata(logdata))
|
||||||
|
assert.Equal(t, fmt.Sprintf("%d", testStatus), tokens[6], printLogdata(logdata))
|
||||||
|
assert.Equal(t, fmt.Sprintf("%d", len(helloWorld)), tokens[7], printLogdata(logdata))
|
||||||
|
assert.Equal(t, testReferer, tokens[8], printLogdata(logdata))
|
||||||
|
assert.Equal(t, testUserAgent, tokens[9], printLogdata(logdata))
|
||||||
|
assert.Equal(t, "1", tokens[10], printLogdata(logdata))
|
||||||
|
assert.Equal(t, testFrontendName, tokens[11], printLogdata(logdata))
|
||||||
|
assert.Equal(t, testBackendName, tokens[12], printLogdata(logdata))
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
func cleanup() {
|
||||||
|
logger.Close()
|
||||||
|
os.Remove(logfilePath)
|
||||||
|
}
|
||||||
|
|
||||||
|
func printLogdata(logdata []byte) string {
|
||||||
|
return fmt.Sprintf(
|
||||||
|
"\nExpected: %s\n"+
|
||||||
|
"Actual: %s",
|
||||||
|
"TestHost - TestUser [13/Apr/2016:07:14:19 -0700] \"POST http://testpath HTTP/0.0\" 123 12 \"testReferer\" \"testUserAgent\" 1 \"testFrontend\" \"http://127.0.0.1/testBackend\" 1ms",
|
||||||
|
string(logdata))
|
||||||
|
}
|
||||||
|
|
||||||
|
func LogWriterTestHandlerFunc(rw http.ResponseWriter, r *http.Request) {
|
||||||
|
rw.Write([]byte(helloWorld))
|
||||||
|
rw.WriteHeader(testStatus)
|
||||||
|
saveBackendNameForLogger(r, testBackendName)
|
||||||
|
}
|
||||||
|
|
||||||
|
func (lrw *logtestResponseWriter) Header() http.Header {
|
||||||
|
return map[string][]string{}
|
||||||
|
}
|
||||||
|
|
||||||
|
func (lrw *logtestResponseWriter) Write(b []byte) (int, error) {
|
||||||
|
return len(b), nil
|
||||||
|
}
|
||||||
|
|
||||||
|
func (lrw *logtestResponseWriter) WriteHeader(s int) {
|
||||||
|
}
|
24
middlewares/saveBackend.go
Normal file
24
middlewares/saveBackend.go
Normal file
|
@ -0,0 +1,24 @@
|
||||||
|
package middlewares
|
||||||
|
|
||||||
|
/*
|
||||||
|
Middleware saveBackend sends the backend name to the logger.
|
||||||
|
*/
|
||||||
|
|
||||||
|
import (
|
||||||
|
"net/http"
|
||||||
|
)
|
||||||
|
|
||||||
|
// SaveBackend holds the next handler
|
||||||
|
type SaveBackend struct {
|
||||||
|
next http.Handler
|
||||||
|
}
|
||||||
|
|
||||||
|
// NewSaveBackend creates a SaveBackend
|
||||||
|
func NewSaveBackend(next http.Handler) *SaveBackend {
|
||||||
|
return &SaveBackend{next}
|
||||||
|
}
|
||||||
|
|
||||||
|
func (sb *SaveBackend) ServeHTTP(rw http.ResponseWriter, r *http.Request) {
|
||||||
|
saveBackendNameForLogger(r, (*r.URL).String())
|
||||||
|
sb.next.ServeHTTP(rw, r)
|
||||||
|
}
|
18
server.go
18
server.go
|
@ -35,7 +35,10 @@ import (
|
||||||
"github.com/streamrail/concurrent-map"
|
"github.com/streamrail/concurrent-map"
|
||||||
)
|
)
|
||||||
|
|
||||||
var oxyLogger = &OxyLogger{}
|
var (
|
||||||
|
oxyLogger = &OxyLogger{}
|
||||||
|
backend2FrontendMap map[string]string
|
||||||
|
)
|
||||||
|
|
||||||
// Server is the reverse-proxy/load-balancer engine
|
// Server is the reverse-proxy/load-balancer engine
|
||||||
type Server struct {
|
type Server struct {
|
||||||
|
@ -180,9 +183,9 @@ func (server *Server) listenConfigurations(stop chan bool) {
|
||||||
}
|
}
|
||||||
currentConfigurations := server.currentConfigurations.Get().(configs)
|
currentConfigurations := server.currentConfigurations.Get().(configs)
|
||||||
if configMsg.Configuration == nil {
|
if configMsg.Configuration == nil {
|
||||||
log.Info("Skipping empty Configuration")
|
log.Infof("Skipping empty Configuration for provider %s", configMsg.ProviderName)
|
||||||
} else if reflect.DeepEqual(currentConfigurations[configMsg.ProviderName], configMsg.Configuration) {
|
} else if reflect.DeepEqual(server.currentConfigurations[configMsg.ProviderName], configMsg.Configuration) {
|
||||||
log.Info("Skipping same configuration")
|
log.Infof("Skipping same configuration for provider %s", configMsg.ProviderName)
|
||||||
} else {
|
} else {
|
||||||
// Copy configurations to new map so we don't change current if LoadConfig fails
|
// Copy configurations to new map so we don't change current if LoadConfig fails
|
||||||
newConfigurations := make(configs)
|
newConfigurations := make(configs)
|
||||||
|
@ -369,6 +372,7 @@ func (server *Server) loadConfig(configurations configs, globalConfiguration Glo
|
||||||
redirectHandlers := make(map[string]http.Handler)
|
redirectHandlers := make(map[string]http.Handler)
|
||||||
|
|
||||||
backends := map[string]http.Handler{}
|
backends := map[string]http.Handler{}
|
||||||
|
backend2FrontendMap := map[string]string{}
|
||||||
for _, configuration := range configurations {
|
for _, configuration := range configurations {
|
||||||
frontendNames := sortedFrontendNamesForConfig(configuration)
|
frontendNames := sortedFrontendNamesForConfig(configuration)
|
||||||
for _, frontendName := range frontendNames {
|
for _, frontendName := range frontendNames {
|
||||||
|
@ -376,6 +380,7 @@ func (server *Server) loadConfig(configurations configs, globalConfiguration Glo
|
||||||
|
|
||||||
log.Debugf("Creating frontend %s", frontendName)
|
log.Debugf("Creating frontend %s", frontendName)
|
||||||
fwd, _ := forward.New(forward.Logger(oxyLogger), forward.PassHostHeader(frontend.PassHostHeader))
|
fwd, _ := forward.New(forward.Logger(oxyLogger), forward.PassHostHeader(frontend.PassHostHeader))
|
||||||
|
saveBackend := middlewares.NewSaveBackend(fwd)
|
||||||
// default endpoints if not defined in frontends
|
// default endpoints if not defined in frontends
|
||||||
if len(frontend.EntryPoints) == 0 {
|
if len(frontend.EntryPoints) == 0 {
|
||||||
frontend.EntryPoints = globalConfiguration.DefaultEntryPoints
|
frontend.EntryPoints = globalConfiguration.DefaultEntryPoints
|
||||||
|
@ -411,7 +416,7 @@ func (server *Server) loadConfig(configurations configs, globalConfiguration Glo
|
||||||
if backends[frontend.Backend] == nil {
|
if backends[frontend.Backend] == nil {
|
||||||
log.Debugf("Creating backend %s", frontend.Backend)
|
log.Debugf("Creating backend %s", frontend.Backend)
|
||||||
var lb http.Handler
|
var lb http.Handler
|
||||||
rr, _ := roundrobin.New(fwd)
|
rr, _ := roundrobin.New(saveBackend)
|
||||||
if configuration.Backends[frontend.Backend] == nil {
|
if configuration.Backends[frontend.Backend] == nil {
|
||||||
return nil, errors.New("Undefined backend: " + frontend.Backend)
|
return nil, errors.New("Undefined backend: " + frontend.Backend)
|
||||||
}
|
}
|
||||||
|
@ -429,6 +434,7 @@ func (server *Server) loadConfig(configurations configs, globalConfiguration Glo
|
||||||
if err != nil {
|
if err != nil {
|
||||||
return nil, err
|
return nil, err
|
||||||
}
|
}
|
||||||
|
backend2FrontendMap[url.String()] = frontendName
|
||||||
log.Debugf("Creating server %s at %s with weight %d", serverName, url.String(), server.Weight)
|
log.Debugf("Creating server %s at %s with weight %d", serverName, url.String(), server.Weight)
|
||||||
if err := rebalancer.UpsertServer(url, roundrobin.Weight(server.Weight)); err != nil {
|
if err := rebalancer.UpsertServer(url, roundrobin.Weight(server.Weight)); err != nil {
|
||||||
return nil, err
|
return nil, err
|
||||||
|
@ -442,6 +448,7 @@ func (server *Server) loadConfig(configurations configs, globalConfiguration Glo
|
||||||
if err != nil {
|
if err != nil {
|
||||||
return nil, err
|
return nil, err
|
||||||
}
|
}
|
||||||
|
backend2FrontendMap[url.String()] = frontendName
|
||||||
log.Debugf("Creating server %s at %s with weight %d", serverName, url.String(), server.Weight)
|
log.Debugf("Creating server %s at %s with weight %d", serverName, url.String(), server.Weight)
|
||||||
if err := rr.UpsertServer(url, roundrobin.Weight(server.Weight)); err != nil {
|
if err := rr.UpsertServer(url, roundrobin.Weight(server.Weight)); err != nil {
|
||||||
return nil, err
|
return nil, err
|
||||||
|
@ -503,6 +510,7 @@ func (server *Server) loadConfig(configurations configs, globalConfiguration Glo
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
middlewares.SetBackend2FrontendMap(&backend2FrontendMap)
|
||||||
return serverEntryPoints, nil
|
return serverEntryPoints, nil
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
Loading…
Reference in a new issue