Add access logging

go.mod

@@ -7,6 +7,7 @@ require (
 	github.com/docker/docker v1.13.1
 	github.com/docker/go-connections v0.4.0 // indirect
 	github.com/docker/go-units v0.4.0 // indirect
+	github.com/gorilla/handlers v1.4.2
 	github.com/opencontainers/go-digest v1.0.0 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/sirupsen/logrus v1.6.0

go.sum

@@ -9,6 +9,8 @@ github.com/docker/go-connections v0.4.0 h1:El9xVISelRB7BuFusrZozjnkIM5YnzCViNKoh
 github.com/docker/go-connections v0.4.0/go.mod h1:Gbd7IOopHjR8Iph03tsViu4nIes5XhDvyHbTtUxmeec=
 github.com/docker/go-units v0.4.0 h1:3uh0PgVws3nIA0Q+MwDC8yjEPf9zjRfZZWXZYDct3Tw=
 github.com/docker/go-units v0.4.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
+github.com/gorilla/handlers v1.4.2 h1:0QniY0USkHQ1RGCLfKxeNHK9bkDHGRYGNDFBCS+YARg=
+github.com/gorilla/handlers v1.4.2/go.mod h1:Qkdc/uu4tH4g6mTK6auzZ766c4CA0Ng8+o/OAirnOIQ=
 github.com/konsorten/go-windows-terminal-sequences v1.0.3/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/opencontainers/go-digest v1.0.0 h1:apOUWs51W5PlhuyGyz9FCeeBIOUDA/6nW8Oi/yOhh5U=
 github.com/opencontainers/go-digest v1.0.0/go.mod h1:0JzlMkj0TRzQZfJkVvzbP0HBR3IKzErnv2BNG4W4MAM=

pkg/plugin/plugin.go

@@ -2,15 +2,25 @@ package plugin
 
 import (
 	"fmt"
+	"io"
 	"net"
 	"net/http"
 
 	docker "github.com/docker/docker/client"
+	"github.com/gorilla/handlers"
+	log "github.com/sirupsen/logrus"
 )
 
 // DriverName is the name of the Docker Network Driver
 const DriverName string = "net-dhcp"
 
+func writeAccessLog(w io.Writer, params handlers.LogFormatterParams) {
+	log.WithFields(log.Fields{
+		"status":  params.StatusCode,
+		"resSize": params.Size,
+	}).Debugf("%v %v", params.Request.Method, params.URL.RequestURI())
+}
+
 // Plugin is the DHCP network plugin
 type Plugin struct {
 	docker *docker.Client
@@ -30,11 +40,12 @@ func NewPlugin() (*Plugin, error) {
 
 	mux := http.NewServeMux()
 	mux.HandleFunc("/NetworkDriver.GetCapabilities", p.apiGetCapabilities)
+
 	mux.HandleFunc("/NetworkDriver.CreateNetwork", p.apiCreateNetwork)
 	mux.HandleFunc("/NetworkDriver.DeleteNetwork", p.apiDeleteNetwork)
 
 	p.server = http.Server{
-		Handler: mux,
+		Handler: handlers.CustomLoggingHandler(nil, mux, writeAccessLog),
 	}
 
 	return &p, nil