[ARVADOS] created: 1.1.0-181-gb21dbd5

Git user git at public.curoverse.com
Fri Nov 24 16:53:35 EST 2017


        at  b21dbd5c2fec1c8c61d232b2cf7f0a68240d9203 (commit)


commit b21dbd5c2fec1c8c61d232b2cf7f0a68240d9203
Author: Tom Clegg <tclegg at veritasgenetics.com>
Date:   Fri Nov 24 16:52:36 2017 -0500

    12167: Clean up test suite logging.
    
    Arvados-DCO-1.1-Signed-off-by: Tom Clegg <tclegg at veritasgenetics.com>

diff --git a/services/keepproxy/keepproxy_test.go b/services/keepproxy/keepproxy_test.go
index 25619bb..eb2ed53 100644
--- a/services/keepproxy/keepproxy_test.go
+++ b/services/keepproxy/keepproxy_test.go
@@ -10,7 +10,6 @@ import (
 	"errors"
 	"fmt"
 	"io/ioutil"
-	"log"
 	"net/http"
 	"net/http/httptest"
 	"os"
@@ -55,7 +54,7 @@ func waitForListener() {
 		time.Sleep(ms * time.Millisecond)
 	}
 	if listener == nil {
-		log.Fatalf("Timed out waiting for listener to start")
+		panic("Timed out waiting for listener to start")
 	}
 }
 
@@ -226,14 +225,14 @@ func (s *ServerRequiredSuite) TestPutAskGet(c *C) {
 	{
 		_, _, err := kc.Ask(hash)
 		c.Check(err, Equals, keepclient.BlockNotFound)
-		log.Print("Finished Ask (expected BlockNotFound)")
+		c.Log("Finished Ask (expected BlockNotFound)")
 	}
 
 	{
 		reader, _, _, err := kc.Get(hash)
 		c.Check(reader, Equals, nil)
 		c.Check(err, Equals, keepclient.BlockNotFound)
-		log.Print("Finished Get (expected BlockNotFound)")
+		c.Log("Finished Get (expected BlockNotFound)")
 	}
 
 	// Note in bug #5309 among other errors keepproxy would set
@@ -252,14 +251,14 @@ func (s *ServerRequiredSuite) TestPutAskGet(c *C) {
 		c.Check(hash2, Matches, fmt.Sprintf(`^%s\+3(\+.+)?$`, hash))
 		c.Check(rep, Equals, 2)
 		c.Check(err, Equals, nil)
-		log.Print("Finished PutB (expected success)")
+		c.Log("Finished PutB (expected success)")
 	}
 
 	{
 		blocklen, _, err := kc.Ask(hash2)
 		c.Assert(err, Equals, nil)
 		c.Check(blocklen, Equals, int64(3))
-		log.Print("Finished Ask (expected success)")
+		c.Log("Finished Ask (expected success)")
 	}
 
 	{
@@ -268,7 +267,7 @@ func (s *ServerRequiredSuite) TestPutAskGet(c *C) {
 		all, err := ioutil.ReadAll(reader)
 		c.Check(all, DeepEquals, []byte("foo"))
 		c.Check(blocklen, Equals, int64(3))
-		log.Print("Finished Get (expected success)")
+		c.Log("Finished Get (expected success)")
 	}
 
 	{
@@ -278,7 +277,7 @@ func (s *ServerRequiredSuite) TestPutAskGet(c *C) {
 		c.Check(hash2, Matches, `^d41d8cd98f00b204e9800998ecf8427e\+0(\+.+)?$`)
 		c.Check(rep, Equals, 2)
 		c.Check(err, Equals, nil)
-		log.Print("Finished PutB zero block")
+		c.Log("Finished PutB zero block")
 	}
 
 	{
@@ -287,7 +286,7 @@ func (s *ServerRequiredSuite) TestPutAskGet(c *C) {
 		all, err := ioutil.ReadAll(reader)
 		c.Check(all, DeepEquals, []byte(""))
 		c.Check(blocklen, Equals, int64(0))
-		log.Print("Finished Get zero block")
+		c.Log("Finished Get zero block")
 	}
 }
 
@@ -302,7 +301,7 @@ func (s *ServerRequiredSuite) TestPutAskGetForbidden(c *C) {
 		errNotFound, _ := err.(keepclient.ErrNotFound)
 		c.Check(errNotFound, NotNil)
 		c.Assert(strings.Contains(err.Error(), "HTTP 403"), Equals, true)
-		log.Print("Ask 1")
+		c.Log("Ask 1")
 	}
 
 	{
@@ -310,7 +309,7 @@ func (s *ServerRequiredSuite) TestPutAskGetForbidden(c *C) {
 		c.Check(hash2, Equals, "")
 		c.Check(rep, Equals, 0)
 		c.Check(err, FitsTypeOf, keepclient.InsufficientReplicasError(errors.New("")))
-		log.Print("PutB")
+		c.Log("PutB")
 	}
 
 	{
@@ -319,7 +318,7 @@ func (s *ServerRequiredSuite) TestPutAskGetForbidden(c *C) {
 		c.Check(errNotFound, NotNil)
 		c.Assert(strings.Contains(err.Error(), "HTTP 403"), Equals, true)
 		c.Check(blocklen, Equals, int64(0))
-		log.Print("Ask 2")
+		c.Log("Ask 2")
 	}
 
 	{
@@ -328,7 +327,7 @@ func (s *ServerRequiredSuite) TestPutAskGetForbidden(c *C) {
 		c.Check(errNotFound, NotNil)
 		c.Assert(strings.Contains(err.Error(), "HTTP 403"), Equals, true)
 		c.Check(blocklen, Equals, int64(0))
-		log.Print("Get")
+		c.Log("Get")
 	}
 }
 
@@ -343,7 +342,7 @@ func (s *ServerRequiredSuite) TestGetDisabled(c *C) {
 		errNotFound, _ := err.(keepclient.ErrNotFound)
 		c.Check(errNotFound, NotNil)
 		c.Assert(strings.Contains(err.Error(), "HTTP 400"), Equals, true)
-		log.Print("Ask 1")
+		c.Log("Ask 1")
 	}
 
 	{
@@ -351,7 +350,7 @@ func (s *ServerRequiredSuite) TestGetDisabled(c *C) {
 		c.Check(hash2, Matches, fmt.Sprintf(`^%s\+3(\+.+)?$`, hash))
 		c.Check(rep, Equals, 2)
 		c.Check(err, Equals, nil)
-		log.Print("PutB")
+		c.Log("PutB")
 	}
 
 	{
@@ -360,7 +359,7 @@ func (s *ServerRequiredSuite) TestGetDisabled(c *C) {
 		c.Check(errNotFound, NotNil)
 		c.Assert(strings.Contains(err.Error(), "HTTP 400"), Equals, true)
 		c.Check(blocklen, Equals, int64(0))
-		log.Print("Ask 2")
+		c.Log("Ask 2")
 	}
 
 	{
@@ -369,7 +368,7 @@ func (s *ServerRequiredSuite) TestGetDisabled(c *C) {
 		c.Check(errNotFound, NotNil)
 		c.Assert(strings.Contains(err.Error(), "HTTP 400"), Equals, true)
 		c.Check(blocklen, Equals, int64(0))
-		log.Print("Get")
+		c.Log("Get")
 	}
 }
 

commit f328939c83c4cd4dfd8ed9c389e1e1bdc3fea05d
Author: Tom Clegg <tclegg at veritasgenetics.com>
Date:   Fri Nov 24 16:46:58 2017 -0500

    12167: Propagate X-Request-ID through keepproxy and keepstore.
    
    Arvados-DCO-1.1-Signed-off-by: Tom Clegg <tclegg at veritasgenetics.com>

diff --git a/sdk/go/httpserver/id_generator.go b/sdk/go/httpserver/id_generator.go
index 18fd91f..c744691 100644
--- a/sdk/go/httpserver/id_generator.go
+++ b/sdk/go/httpserver/id_generator.go
@@ -5,6 +5,7 @@
 package httpserver
 
 import (
+	"net/http"
 	"strconv"
 	"sync"
 	"time"
@@ -33,3 +34,15 @@ func (g *IDGenerator) Next() string {
 	g.mtx.Unlock()
 	return g.Prefix + strconv.FormatInt(id, 36)
 }
+
+// AddRequestIDs wraps an http.Handler, adding an X-Request-Id header
+// to each request that doesn't already have one.
+func AddRequestIDs(h http.Handler) http.Handler {
+	gen := &IDGenerator{Prefix: "req-"}
+	return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
+		if req.Header.Get("X-Request-Id") == "" {
+			req.Header.Set("X-Request-Id", gen.Next())
+		}
+		h.ServeHTTP(w, req)
+	})
+}
diff --git a/sdk/go/httpserver/logger.go b/sdk/go/httpserver/logger.go
new file mode 100644
index 0000000..a66b0c9
--- /dev/null
+++ b/sdk/go/httpserver/logger.go
@@ -0,0 +1,61 @@
+// Copyright (C) The Arvados Authors. All rights reserved.
+//
+// SPDX-License-Identifier: AGPL-3.0
+
+package httpserver
+
+import (
+	"context"
+	"net/http"
+	"time"
+
+	"git.curoverse.com/arvados.git/sdk/go/stats"
+	log "github.com/Sirupsen/logrus"
+)
+
+type contextKey struct {
+	name string
+}
+
+var requestTimeContextKey = contextKey{"requestTime"}
+
+// LogRequests wraps an http.Handler, logging each request and
+// response via logrus.
+func LogRequests(h http.Handler) http.Handler {
+	return http.HandlerFunc(func(wrapped http.ResponseWriter, req *http.Request) {
+		w := WrapResponseWriter(wrapped)
+		req = req.WithContext(context.WithValue(req.Context(), &requestTimeContextKey, time.Now()))
+		lgr := log.WithFields(log.Fields{
+			"RequestID":       req.Header.Get("X-Request-Id"),
+			"remoteAddr":      req.RemoteAddr,
+			"reqForwardedFor": req.Header.Get("X-Forwarded-For"),
+			"reqMethod":       req.Method,
+			"reqPath":         req.URL.Path[1:],
+			"reqBytes":        req.ContentLength,
+		})
+		logRequest(w, req, lgr)
+		defer logResponse(w, req, lgr)
+		h.ServeHTTP(w, req)
+	})
+}
+
+func logRequest(w ResponseWriter, req *http.Request, lgr *log.Entry) {
+	lgr.Info("request")
+}
+
+func logResponse(w ResponseWriter, req *http.Request, lgr *log.Entry) {
+	if tStart, ok := req.Context().Value(&requestTimeContextKey).(time.Time); ok {
+		tDone := time.Now()
+		lgr = lgr.WithFields(log.Fields{
+			"timeTotal": stats.Duration(tDone.Sub(tStart)),
+			// TODO: track WriteHeader timing
+			// "timeToStatus":  stats.Duration(w.sentHdr.Sub(tStart)),
+			// "timeWriteBody": stats.Duration(tDone.Sub(w.sentHdr)),
+		})
+	}
+	lgr.WithFields(log.Fields{
+		"respStatusCode": w.WroteStatus(),
+		"respStatus":     http.StatusText(w.WroteStatus()),
+		"respBytes":      w.WroteBodyBytes(),
+	}).Info("response")
+}
diff --git a/services/keepproxy/keepproxy.go b/services/keepproxy/keepproxy.go
index 3d1b447..e2a6221 100644
--- a/services/keepproxy/keepproxy.go
+++ b/services/keepproxy/keepproxy.go
@@ -10,7 +10,6 @@ import (
 	"fmt"
 	"io"
 	"io/ioutil"
-	"log"
 	"net"
 	"net/http"
 	"os"
@@ -25,7 +24,9 @@ import (
 	"git.curoverse.com/arvados.git/sdk/go/arvadosclient"
 	"git.curoverse.com/arvados.git/sdk/go/config"
 	"git.curoverse.com/arvados.git/sdk/go/health"
+	"git.curoverse.com/arvados.git/sdk/go/httpserver"
 	"git.curoverse.com/arvados.git/sdk/go/keepclient"
+	log "github.com/Sirupsen/logrus"
 	"github.com/coreos/go-systemd/daemon"
 	"github.com/ghodss/yaml"
 	"github.com/gorilla/mux"
@@ -55,7 +56,13 @@ var (
 	router   http.Handler
 )
 
+const rfc3339NanoFixed = "2006-01-02T15:04:05.000000000Z07:00"
+
 func main() {
+	log.SetFormatter(&log.JSONFormatter{
+		TimestampFormat: rfc3339NanoFixed,
+	})
+
 	cfg := DefaultConfig()
 
 	flagset := flag.NewFlagSet("keepproxy", flag.ExitOnError)
@@ -164,7 +171,7 @@ func main() {
 
 	// Start serving requests.
 	router = MakeRESTRouter(!cfg.DisableGet, !cfg.DisablePut, kc, time.Duration(cfg.Timeout), cfg.ManagementToken)
-	http.Serve(listener, router)
+	http.Serve(listener, httpserver.AddRequestIDs(httpserver.LogRequests(router)))
 
 	log.Println("shutting down")
 }
@@ -596,7 +603,8 @@ func (h *proxyHandler) makeKeepClient(req *http.Request) *keepclient.KeepClient
 			Timeout:   h.timeout,
 			Transport: h.transport,
 		},
-		proto: req.Proto,
+		proto:     req.Proto,
+		requestID: req.Header.Get("X-Request-Id"),
 	}
 	return &kc
 }
diff --git a/services/keepproxy/proxy_client.go b/services/keepproxy/proxy_client.go
index 0faf4ae..3fa2671 100644
--- a/services/keepproxy/proxy_client.go
+++ b/services/keepproxy/proxy_client.go
@@ -13,11 +13,13 @@ import (
 var viaAlias = "keepproxy"
 
 type proxyClient struct {
-	client keepclient.HTTPClient
-	proto  string
+	client    keepclient.HTTPClient
+	proto     string
+	requestID string
 }
 
 func (pc *proxyClient) Do(req *http.Request) (*http.Response, error) {
 	req.Header.Add("Via", pc.proto+" "+viaAlias)
+	req.Header.Add("X-Request-Id", pc.requestID)
 	return pc.client.Do(req)
 }
diff --git a/services/keepstore/keepstore.go b/services/keepstore/keepstore.go
index 921176d..e422179 100644
--- a/services/keepstore/keepstore.go
+++ b/services/keepstore/keepstore.go
@@ -147,11 +147,11 @@ func main() {
 	// Start a round-robin VolumeManager with the volumes we have found.
 	KeepVM = MakeRRVolumeManager(theConfig.Volumes)
 
-	// Middleware stack: logger, MaxRequests limiter, method handlers
+	// Middleware/handler stack
 	router := MakeRESTRouter()
 	limiter := httpserver.NewRequestLimiter(theConfig.MaxRequests, router)
 	router.limiter = limiter
-	http.Handle("/", &LoggingRESTRouter{router: limiter})
+	http.Handle("/", httpserver.AddRequestIDs(httpserver.LogRequests(limiter)))
 
 	// Set up a TCP listener.
 	listener, err := net.Listen("tcp", theConfig.Listen)
diff --git a/services/keepstore/logging_router.go b/services/keepstore/logging_router.go
deleted file mode 100644
index 63c28a2..0000000
--- a/services/keepstore/logging_router.go
+++ /dev/null
@@ -1,111 +0,0 @@
-// Copyright (C) The Arvados Authors. All rights reserved.
-//
-// SPDX-License-Identifier: AGPL-3.0
-
-package main
-
-// LoggingRESTRouter
-// LoggingResponseWriter
-
-import (
-	"context"
-	"net/http"
-	"strings"
-	"time"
-
-	"git.curoverse.com/arvados.git/sdk/go/httpserver"
-	"git.curoverse.com/arvados.git/sdk/go/stats"
-	log "github.com/Sirupsen/logrus"
-)
-
-// LoggingResponseWriter has anonymous fields ResponseWriter and ResponseBody
-type LoggingResponseWriter struct {
-	Status int
-	Length int
-	http.ResponseWriter
-	ResponseBody string
-	sentHdr      time.Time
-}
-
-// CloseNotify implements http.CloseNotifier.
-func (resp *LoggingResponseWriter) CloseNotify() <-chan bool {
-	wrapped, ok := resp.ResponseWriter.(http.CloseNotifier)
-	if !ok {
-		// If upstream doesn't implement CloseNotifier, we can
-		// satisfy the interface by returning a channel that
-		// never sends anything (the interface doesn't
-		// guarantee that anything will ever be sent on the
-		// channel even if the client disconnects).
-		return nil
-	}
-	return wrapped.CloseNotify()
-}
-
-// WriteHeader writes header to ResponseWriter
-func (resp *LoggingResponseWriter) WriteHeader(code int) {
-	if resp.sentHdr == zeroTime {
-		resp.sentHdr = time.Now()
-	}
-	resp.Status = code
-	resp.ResponseWriter.WriteHeader(code)
-}
-
-var zeroTime time.Time
-
-func (resp *LoggingResponseWriter) Write(data []byte) (int, error) {
-	if resp.Length == 0 && len(data) > 0 && resp.sentHdr == zeroTime {
-		resp.sentHdr = time.Now()
-	}
-	resp.Length += len(data)
-	if resp.Status >= 400 {
-		resp.ResponseBody += string(data)
-	}
-	return resp.ResponseWriter.Write(data)
-}
-
-// LoggingRESTRouter is used to add logging capabilities to mux.Router
-type LoggingRESTRouter struct {
-	router      http.Handler
-	idGenerator httpserver.IDGenerator
-}
-
-func (loggingRouter *LoggingRESTRouter) ServeHTTP(wrappedResp http.ResponseWriter, req *http.Request) {
-	tStart := time.Now()
-
-	// Attach a requestID-aware logger to the request context.
-	lgr := log.WithField("RequestID", loggingRouter.idGenerator.Next())
-	ctx := context.WithValue(req.Context(), "logger", lgr)
-	req = req.WithContext(ctx)
-
-	lgr = lgr.WithFields(log.Fields{
-		"remoteAddr":      req.RemoteAddr,
-		"reqForwardedFor": req.Header.Get("X-Forwarded-For"),
-		"reqMethod":       req.Method,
-		"reqPath":         req.URL.Path[1:],
-		"reqBytes":        req.ContentLength,
-	})
-	lgr.Debug("request")
-
-	resp := LoggingResponseWriter{http.StatusOK, 0, wrappedResp, "", zeroTime}
-	loggingRouter.router.ServeHTTP(&resp, req)
-	tDone := time.Now()
-
-	statusText := http.StatusText(resp.Status)
-	if resp.Status >= 400 {
-		statusText = strings.Replace(resp.ResponseBody, "\n", "", -1)
-	}
-	if resp.sentHdr == zeroTime {
-		// Nobody changed status or wrote any data, i.e., we
-		// returned a 200 response with no body.
-		resp.sentHdr = tDone
-	}
-
-	lgr.WithFields(log.Fields{
-		"timeTotal":      stats.Duration(tDone.Sub(tStart)),
-		"timeToStatus":   stats.Duration(resp.sentHdr.Sub(tStart)),
-		"timeWriteBody":  stats.Duration(tDone.Sub(resp.sentHdr)),
-		"respStatusCode": resp.Status,
-		"respStatus":     statusText,
-		"respBytes":      resp.Length,
-	}).Info("response")
-}
diff --git a/services/keepstore/s3_volume.go b/services/keepstore/s3_volume.go
index e6a53d0..61e69f9 100644
--- a/services/keepstore/s3_volume.go
+++ b/services/keepstore/s3_volume.go
@@ -45,6 +45,8 @@ var (
 	s3RaceWindow    time.Duration
 
 	s3ACL = s3.Private
+
+	zeroTime time.Time
 )
 
 const (

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