audit log config

docker/compose/fluent.json

@@ -0,0 +1,4 @@
+{
+    "fluent_port": 24224,
+    "fluent_host": "fluent"
+}

docker/compose/local-auditlog-compose.yml

@@ -0,0 +1,20 @@
+version: '2'
+
+services:
+  server:
+    image: chrislusf/seaweedfs:local
+    ports:
+      - 8333:8333
+      - 9333:9333
+      - 19333:19333
+      - 8084:8080
+      - 18084:18080
+      - 8888:8888
+      - 18888:18888
+    command: "server -ip=server -filer -s3 -s3.auditLogConfig=/etc/seaweedfs/fluent.json -volume.max=0 -master.volumeSizeLimitMB=8 -volume.preStopSeconds=1"
+    volumes:
+      - ./fluent.json:/etc/seaweedfs/fluent.json
+  fluent:
+    image: fluent/fluentd:v1.14
+    ports:
+      - 24224:24224

weed/command/filer.go

@@ -84,6 +84,7 @@ func init() {
 	filerS3Options.tlsPrivateKey = cmdFiler.Flag.String("s3.key.file", "", "path to the TLS private key file")
 	filerS3Options.tlsCertificate = cmdFiler.Flag.String("s3.cert.file", "", "path to the TLS certificate file")
 	filerS3Options.config = cmdFiler.Flag.String("s3.config", "", "path to the config file")
+	filerS3Options.auditLogConfig = cmdFiler.Flag.String("s3.auditLogConfig", "", "path to the audit log config file")
 	filerS3Options.allowEmptyFolder = cmdFiler.Flag.Bool("s3.allowEmptyFolder", true, "allow empty folders")
 
 	// start webdav on filer

weed/command/s3.go

@@ -3,6 +3,7 @@ package command
 import (
 	"context"
 	"fmt"
+	"github.com/chrislusf/seaweedfs/weed/s3api/s3err"
 	"net/http"
 	"time"
 
@@ -31,6 +32,7 @@ type S3Options struct {
 	tlsCertificate   *string
 	metricsHttpPort  *int
 	allowEmptyFolder *bool
+	auditLogConfig   *string
 }
 
 func init() {
@@ -39,7 +41,7 @@ func init() {
 	s3StandaloneOptions.port = cmdS3.Flag.Int("port", 8333, "s3 server http listen port")
 	s3StandaloneOptions.domainName = cmdS3.Flag.String("domainName", "", "suffix of the host name in comma separated list, {bucket}.{domainName}")
 	s3StandaloneOptions.config = cmdS3.Flag.String("config", "", "path to the config file")
-	s3StandaloneOptions.config = cmdS3.Flag.String("config", "", "path to the config file")
+	s3StandaloneOptions.auditLogConfig = cmdS3.Flag.String("auditLogConfig", "", "path to the audit log config file")
 	s3StandaloneOptions.tlsPrivateKey = cmdS3.Flag.String("key.file", "", "path to the TLS private key file")
 	s3StandaloneOptions.tlsCertificate = cmdS3.Flag.String("cert.file", "", "path to the TLS certificate file")
 	s3StandaloneOptions.metricsHttpPort = cmdS3.Flag.Int("metricsPort", 0, "Prometheus metrics listen port")
@@ -193,6 +195,10 @@ func (s3opt *S3Options) startS3Server() bool {
 		glog.Fatalf("S3 API Server listener on %s error: %v", listenAddress, err)
 	}
 
+	if len(*s3opt.auditLogConfig) > 0 {
+		s3err.InitAuditLog(*s3opt.auditLogConfig)
+	}
+
 	if *s3opt.tlsPrivateKey != "" {
 		glog.V(0).Infof("Start Seaweed S3 API Server %s at https port %d", util.Version(), *s3opt.port)
 		if err = httpS.ServeTLS(s3ApiListener, *s3opt.tlsCertificate, *s3opt.tlsPrivateKey); err != nil {

weed/command/server.go

@@ -131,6 +131,7 @@ func init() {
 	s3Options.tlsPrivateKey = cmdServer.Flag.String("s3.key.file", "", "path to the TLS private key file")
 	s3Options.tlsCertificate = cmdServer.Flag.String("s3.cert.file", "", "path to the TLS certificate file")
 	s3Options.config = cmdServer.Flag.String("s3.config", "", "path to the config file")
+	s3Options.auditLogConfig = cmdServer.Flag.String("s3.auditLogConfig", "", "path to the audit log config file")
 	s3Options.allowEmptyFolder = cmdServer.Flag.Bool("s3.allowEmptyFolder", true, "allow empty folders")
 
 	webdavOptions.port = cmdServer.Flag.Int("webdav.port", 7333, "webdav server http listen port")

weed/s3api/s3api_handlers.go

@@ -28,7 +28,7 @@ func (s3a *S3ApiServer) AdjustedUrl(location *filer_pb.Location) string {
 
 func writeSuccessResponseXML(w http.ResponseWriter, r *http.Request, response interface{}) {
 	s3err.WriteXMLResponse(w, r, http.StatusOK, response)
-	s3err.PostLog(r, s3err.ErrNone)
+	s3err.PostLog(r, http.StatusOK, s3err.ErrNone)
 }
 
 func writeSuccessResponseEmpty(w http.ResponseWriter, r *http.Request) {

weed/s3api/s3api_object_handlers.go

@@ -165,11 +165,13 @@ func (s3a *S3ApiServer) DeleteObjectHandler(w http.ResponseWriter, r *http.Reque
 	destUrl := fmt.Sprintf("http://%s%s/%s%s?recursive=true",
 		s3a.option.Filer.ToHttpAddress(), s3a.option.BucketsPath, bucket, urlPathEscape(object))
 
-	s3a.proxyToFiler(w, r, destUrl, func(proxyResponse *http.Response, w http.ResponseWriter) {
+	s3a.proxyToFiler(w, r, destUrl, func(proxyResponse *http.Response, w http.ResponseWriter) (statusCode int) {
+		statusCode = http.StatusNoContent
 		for k, v := range proxyResponse.Header {
 			w.Header()[k] = v
 		}
-		w.WriteHeader(http.StatusNoContent)
+		w.WriteHeader(statusCode)
+		return statusCode
 	})
 }
 
@@ -224,14 +226,17 @@ func (s3a *S3ApiServer) DeleteMultipleObjectsHandler(w http.ResponseWriter, r *h
 
 	var deletedObjects []ObjectIdentifier
 	var deleteErrors []DeleteError
+	var auditLog *s3err.AccessLog
 
 	directoriesWithDeletion := make(map[string]int)
 
+	if s3err.Logger != nil {
+		auditLog = s3err.GetAccessLog(r, http.StatusNoContent, s3err.ErrNone)
+	}
 	s3a.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
 
 		// delete file entries
 		for _, object := range deleteObjects.Objects {
-
 			lastSeparator := strings.LastIndex(object.ObjectName, "/")
 			parentDirectoryPath, entryName, isDeleteData, isRecursive := "", object.ObjectName, true, false
 			if lastSeparator > 0 && lastSeparator+1 < len(object.ObjectName) {
@@ -254,6 +259,10 @@ func (s3a *S3ApiServer) DeleteMultipleObjectsHandler(w http.ResponseWriter, r *h
 					Key:     object.ObjectName,
 				})
 			}
+			if auditLog != nil {
+				auditLog.Key = entryName
+				s3err.PostAccessLog(auditLog)
+			}
 		}
 
 		// purge empty folders, only checking folders with deletions
@@ -306,7 +315,7 @@ var passThroughHeaders = []string{
 	"response-expires",
 }
 
-func (s3a *S3ApiServer) proxyToFiler(w http.ResponseWriter, r *http.Request, destUrl string, responseFn func(proxyResponse *http.Response, w http.ResponseWriter)) {
+func (s3a *S3ApiServer) proxyToFiler(w http.ResponseWriter, r *http.Request, destUrl string, responseFn func(proxyResponse *http.Response, w http.ResponseWriter) (statusCode int)) {
 
 	glog.V(3).Infof("s3 proxying %s to %s", r.Method, destUrl)
 
@@ -360,20 +369,23 @@ func (s3a *S3ApiServer) proxyToFiler(w http.ResponseWriter, r *http.Request, des
 		}
 	}
 
-	responseFn(resp, w)
-	s3err.PostLog(r, s3err.ErrNone)
+	responseStatusCode := responseFn(resp, w)
+	s3err.PostLog(r, responseStatusCode, s3err.ErrNone)
 }
 
-func passThroughResponse(proxyResponse *http.Response, w http.ResponseWriter) {
+func passThroughResponse(proxyResponse *http.Response, w http.ResponseWriter) (statusCode int) {
 	for k, v := range proxyResponse.Header {
 		w.Header()[k] = v
 	}
 	if proxyResponse.Header.Get("Content-Range") != "" && proxyResponse.StatusCode == 200 {
 		w.WriteHeader(http.StatusPartialContent)
+		statusCode = http.StatusPartialContent
 	} else {
-		w.WriteHeader(proxyResponse.StatusCode)
+		statusCode = proxyResponse.StatusCode
 	}
+	w.WriteHeader(statusCode)
 	io.Copy(w, proxyResponse.Body)
+	return statusCode
 }
 
 func (s3a *S3ApiServer) putToFiler(r *http.Request, uploadUrl string, dataReader io.Reader) (etag string, code s3err.ErrorCode) {

weed/s3api/s3api_object_handlers_postpolicy.go

@@ -142,7 +142,7 @@ func (s3a *S3ApiServer) PostPolicyBucketHandler(w http.ResponseWriter, r *http.R
 			Location: w.Header().Get("Location"),
 		}
 		s3err.WriteXMLResponse(w, r, http.StatusCreated, resp)
-		s3err.PostLog(r, s3err.ErrNone)
+		s3err.PostLog(r, http.StatusCreated, s3err.ErrNone)
 	case "200":
 		s3err.WriteEmptyResponse(w, r, http.StatusOK)
 	default:

weed/s3api/s3api_object_tagging_handlers.go

@@ -92,7 +92,7 @@ func (s3a *S3ApiServer) PutObjectTaggingHandler(w http.ResponseWriter, r *http.R
 	}
 
 	w.WriteHeader(http.StatusOK)
-	s3err.PostLog(r, s3err.ErrNone)
+	s3err.PostLog(r, http.StatusOK, s3err.ErrNone)
 }
 
 // DeleteObjectTaggingHandler Delete object tagging
@@ -118,5 +118,5 @@ func (s3a *S3ApiServer) DeleteObjectTaggingHandler(w http.ResponseWriter, r *htt
 	}
 
 	w.WriteHeader(http.StatusNoContent)
-	s3err.PostLog(r, s3err.ErrNone)
+	s3err.PostLog(r, http.StatusNoContent, s3err.ErrNone)
 }

weed/s3api/s3api_server.go

@@ -38,7 +38,6 @@ func NewS3ApiServer(router *mux.Router, option *S3ApiServerOption) (s3ApiServer
 	s3ApiServer.registerRouter(router)
 
 	go s3ApiServer.subscribeMetaEvents("s3", filer.IamConfigDirecotry+"/"+filer.IamIdentityFile, time.Now().UnixNano())
-
 	return s3ApiServer, nil
 }
 

weed/s3api/s3err/audit_fluent.go

@@ -1,6 +1,7 @@
 package s3err
 
 import (
+	"encoding/json"
 	"fmt"
 	"github.com/chrislusf/seaweedfs/weed/glog"
 	xhttp "github.com/chrislusf/seaweedfs/weed/s3api/http"
@@ -16,28 +17,28 @@ type AccessLogExtend struct {
 }
 
 type AccessLog struct {
-	Bucket           string    `json:"bucket"`               // awsexamplebucket1
-	Time             time.Time `json:"time"`                 // [06/Feb/2019:00:00:38 +0000]
-	RemoteIP         string    `json:"remote_ip,omitempty"`  // 192.0.2.3
-	Requester        string    `json:"requester,omitempty"`  // IAM user id
-	RequestID        string    `json:"request_id,omitempty"` // 3E57427F33A59F07
-	Operation        string    `json:"operation,omitempty"`  // REST.HTTP_method.resource_type REST.PUT.OBJECT
-	Key              string    `json:"Key,omitempty"`        // /photos/2019/08/puppy.jpg
-	ErrorCode        string    `json:"error_code,omitempty"`
-	HostId           string    `json:"host_id,omitempty"`
-	HostHeader       string    `json:"host_header,omitempty"` // s3.us-west-2.amazonaws.com
-	SignatureVersion string    `json:"signature_version,omitempty"`
+	Bucket           string `msg:"bucket" json:"bucket"`                   // awsexamplebucket1
+	Time             int64  `msg:"time" json:"time"`                       // [06/Feb/2019:00:00:38 +0000]
+	RemoteIP         string `msg:"remote_ip" json:"remote_ip,omitempty"`   // 192.0.2.3
+	Requester        string `msg:"requester" json:"requester,omitempty"`   // IAM user id
+	RequestID        string `msg:"request_id" json:"request_id,omitempty"` // 3E57427F33A59F07
+	Operation        string `msg:"operation" json:"operation,omitempty"`   // REST.HTTP_method.resource_type REST.PUT.OBJECT
+	Key              string `msg:"key" json:"key,omitempty"`               // /photos/2019/08/puppy.jpg
+	ErrorCode        string `msg:"error_code" json:"error_code,omitempty"`
+	HostId           string `msg:"host_id" json:"host_id,omitempty"`
+	HostHeader       string `msg:"host_header" json:"host_header,omitempty"` // s3.us-west-2.amazonaws.com
+	UserAgent        string `msg:"user_agent" json:"user_agent,omitempty"`
+	HTTPStatus       int    `msg:"status" json:"status,omitempty"`
+	SignatureVersion string `msg:"signature_version" json:"signature_version,omitempty"`
 }
 
 type AccessLogHTTP struct {
 	RequestURI         string `json:"request_uri,omitempty"` // "GET /awsexamplebucket1/photos/2019/08/puppy.jpg?x-foo=bar HTTP/1.1"
-	HTTPStatus         int           `json:"HTTP_status,omitempty"`
 	BytesSent          string `json:"bytes_sent,omitempty"`
 	ObjectSize         string `json:"object_size,omitempty"`
-	TotalTime          time.Duration `json:"total_time,omitempty"`
-	TurnAroundTime     time.Duration `json:"turn_around_time,omitempty"`
+	TotalTime          int    `json:"total_time,omitempty"`
+	TurnAroundTime     int    `json:"turn_around_time,omitempty"`
 	Referer            string `json:"Referer,omitempty"`
-	UserAgent          string        `json:"user_agent,omitempty"`
 	VersionId          string `json:"version_id,omitempty"`
 	CipherSuite        string `json:"cipher_suite,omitempty"`
 	AuthenticationType string `json:"auth_type,omitempty"`
@@ -47,14 +48,21 @@ type AccessLogHTTP struct {
 const tag = "s3.access"
 
 var (
-	logger   *fluent.Fluent
+	Logger   *fluent.Fluent
 	hostname = os.Getenv("HOSTNAME")
 )
 
-func init() {
+func InitAuditLog(config string) {
+	configContent, readErr := os.ReadFile(config)
+	if readErr != nil {
+		glog.Fatalf("fail to read fluent config %s : %v", config, readErr)
+	}
+	var fluentConfig fluent.Config
+	if err := json.Unmarshal(configContent, &fluentConfig); err != nil {
+		glog.Fatalf("fail to parse fluent config %s : %v", config, err)
+	}
 	var err error
-
-	logger, err = fluent.New(fluent.Config{})
+	Logger, err = fluent.New(fluentConfig)
 	if err != nil {
 		glog.Fatalf("fail to load fluent config: %v", err)
 	}
@@ -64,16 +72,9 @@ func getREST(httpMetod string, resourceType string) string {
 	return fmt.Sprintf("REST.%s.%s", httpMetod, resourceType)
 }
 
-func getResourceType(object string, query string, metod string) (string, bool) {
-	if len(object) > 0 {
-		switch query {
-		case "tagging":
-			return getREST(metod, "OBJECTTAGGING"), true
-		default:
-			return getREST(metod, "OBJECT"), false
-		}
-	} else {
-		switch query {
+func getResourceType(object string, query_key string, metod string) (string, bool) {
+	if object == "/" {
+		switch query_key {
 		case "delete":
 			return "BATCH.DELETE.OBJECT", true
 		case "tagging":
@@ -87,6 +88,13 @@ func getResourceType(object string, query string, metod string) (string, bool) {
 		default:
 			return getREST(metod, "BUCKET"), false
 		}
+	} else {
+		switch query_key {
+		case "tagging":
+			return getREST(metod, "OBJECTTAGGING"), true
+		default:
+			return getREST(metod, "OBJECT"), false
+		}
 	}
 }
 
@@ -94,40 +102,69 @@ func getOperation(object string, r *http.Request) string {
 	queries := r.URL.Query()
 	var operation string
 	var queryFound bool
-	for query, _ := range queries {
-		if operation, queryFound = getResourceType(object, query, r.Method); queryFound {
+	for key, _ := range queries {
+		operation, queryFound = getResourceType(object, key, r.Method)
+		if queryFound {
 			return operation
 		}
 	}
+	if len(queries) == 0 {
+		operation, _ = getResourceType(object, "", r.Method)
+	}
 	return operation
 }
 
-func GetAccessLog(r *http.Request, s3errCode ErrorCode) AccessLog {
+func GetAccessHttpLog(r *http.Request, statusCode int, s3errCode ErrorCode) AccessLogHTTP {
+	return AccessLogHTTP{
+		RequestURI: r.RequestURI,
+		Referer:    r.Header.Get("Referer"),
+	}
+}
+
+func GetAccessLog(r *http.Request, HTTPStatusCode int, s3errCode ErrorCode) *AccessLog {
 	bucket, key := xhttp.GetBucketAndObject(r)
 	var errorCode string
 	if s3errCode != ErrNone {
 		errorCode = GetAPIError(s3errCode).Code
 	}
-	return AccessLog{
-		HostHeader: r.Header.Get("Host"),
+	remoteIP := r.Header.Get("X-Real-IP")
+	if len(remoteIP) == 0 {
+		remoteIP = r.RemoteAddr
+	}
+	hostHeader := r.Header.Get("Host")
+	if len(hostHeader) == 0 {
+		hostHeader = r.URL.Hostname()
+	}
+	return &AccessLog{
+		HostHeader: hostHeader,
 		RequestID:  r.Header.Get("X-Request-ID"),
-		RemoteIP:   r.Header.Get("X-Real-IP"),
+		RemoteIP:   remoteIP,
 		Requester:  r.Header.Get(xhttp.AmzIdentityId),
+		UserAgent:  r.Header.Get("UserAgent"),
 		HostId:     hostname,
 		Bucket:     bucket,
-		Time:       time.Now(),
+		HTTPStatus: HTTPStatusCode,
+		Time:       time.Now().Unix(),
 		Key:        key,
 		Operation:  getOperation(key, r),
 		ErrorCode:  errorCode,
 	}
 }
 
-func PostLog(r *http.Request, errorCode ErrorCode) {
-	if logger == nil {
+func PostLog(r *http.Request, HTTPStatusCode int, errorCode ErrorCode) {
+	if Logger == nil {
 		return
 	}
-	err := logger.Post(tag, GetAccessLog(r, errorCode))
-	if err != nil {
-		glog.Error("Error while posting log: ", err)
+	if err := Logger.Post(tag, *GetAccessLog(r, HTTPStatusCode, errorCode)); err != nil {
+		glog.Warning("Error while posting log: ", err)
+	}
+}
+
+func PostAccessLog(log *AccessLog) {
+	if Logger == nil || log == nil {
+		return
+	}
+	if err := Logger.Post(tag, *log); err != nil {
+		glog.Warning("Error while posting log: ", err)
 	}
 }

weed/s3api/s3err/error_handler.go

@@ -25,7 +25,7 @@ func WriteXMLResponse(w http.ResponseWriter, r *http.Request, statusCode int, re
 
 func WriteEmptyResponse(w http.ResponseWriter, r *http.Request, statusCode int) {
 	WriteResponse(w, r, statusCode, []byte{}, mimeNone)
-	PostLog(r, ErrNone)
+	PostLog(r, statusCode, ErrNone)
 }
 
 func WriteErrorResponse(w http.ResponseWriter, r *http.Request, errorCode ErrorCode) {
@@ -40,7 +40,7 @@ func WriteErrorResponse(w http.ResponseWriter, r *http.Request, errorCode ErrorC
 	errorResponse := getRESTErrorResponse(apiError, r.URL.Path, bucket, object)
 	encodedErrorResponse := EncodeXMLResponse(errorResponse)
 	WriteResponse(w, r, apiError.HTTPStatusCode, encodedErrorResponse, MimeXML)
-	PostLog(r, errorCode)
+	PostLog(r, apiError.HTTPStatusCode, errorCode)
 }
 
 func getRESTErrorResponse(err APIError, resource string, bucket, object string) RESTErrorResponse {