TrueCloudLab/frostfs-http-gw
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[#44] add tracing support refactoring #53

Merged
alexvanin merged 1 commit from pogpp/frostfs-http-gw:feature/tracing_refactoring into master 2023-05-31 12:56:13 +00:00
Conversation 0 Commits 1 Files changed 9 +78 -137
9 changed files with 78 additions and 137 deletions
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62
app.go
View file

@ -17,6 +17,7 @@ import (
"git.frostfs.info/TrueCloudLab/frostfs-http-gw/metrics"
"git.frostfs.info/TrueCloudLab/frostfs-http-gw/resolver"
"git.frostfs.info/TrueCloudLab/frostfs-http-gw/response"
"git.frostfs.info/TrueCloudLab/frostfs-http-gw/tokens"
"git.frostfs.info/TrueCloudLab/frostfs-http-gw/tree"
"git.frostfs.info/TrueCloudLab/frostfs-http-gw/uploader"
"git.frostfs.info/TrueCloudLab/frostfs-http-gw/utils"
@ -37,6 +38,7 @@ import (
type (
app struct {
ctx context.Context
log *zap.Logger
logLevel zap.AtomicLevel
pool *pool.Pool
@ -60,7 +62,7 @@ type (
// App is an interface for the main gateway function.
App interface {
Wait()
Serve(context.Context)
Serve()
}
// Option is an application option.
@ -101,6 +103,7 @@ func newApp(ctx context.Context, opt ...Option) App {
)
a := &app{
ctx: ctx,
log: zap.L(),
cfg: viper.GetViper(),
webServer: new(fasthttp.Server),
@ -353,16 +356,16 @@ func (a *app) setHealthStatus() {
a.metrics.SetHealth(metrics.HealthStatusReady)
}
func (a *app) Serve(ctx context.Context) {
treeClient := a.initTree(ctx)
uploadRoutes := uploader.New(ctx, a.AppParams(), a.settings.Uploader)
downloadRoutes := downloader.New(ctx, a.AppParams(), a.settings.Downloader, treeClient)
func (a *app) Serve() {
treeClient := a.initTree(a.ctx)
uploadRoutes := uploader.New(a.AppParams(), a.settings.Uploader)
downloadRoutes := downloader.New(a.AppParams(), a.settings.Downloader, treeClient)
// Configure router.
a.configureRouter(uploadRoutes, downloadRoutes)
a.startServices()
a.initServers(ctx)
a.initServers(a.ctx)
for i := range a.servers {
go func(i int) {
@ -379,10 +382,10 @@ func (a *app) Serve(ctx context.Context) {
LOOP:
for {
select {
case <-ctx.Done():
case <-a.ctx.Done():
break LOOP
case <-sigs:
a.configReload(ctx)
a.configReload(a.ctx)
}
}
@ -477,28 +480,55 @@ func (a *app) configureRouter(uploadRoutes *uploader.Uploader, downloadRoutes *d
r.MethodNotAllowed = func(r *fasthttp.RequestCtx) {
response.Error(r, "Method Not Allowed", fasthttp.StatusMethodNotAllowed)
}
r.POST("/upload/{cid}", a.logger(uploadRoutes.Upload))
r.POST("/upload/{cid}", a.logger(a.tokenizer(a.tracer(uploadRoutes.Upload))))
a.log.Info("added path /upload/{cid}")
r.GET("/get/{cid}/{oid:*}", a.logger(downloadRoutes.DownloadByAddressOrBucketName))
r.HEAD("/get/{cid}/{oid:*}", a.logger(downloadRoutes.HeadByAddressOrBucketName))
r.GET("/get/{cid}/{oid:*}", a.logger(a.tokenizer(a.tracer(downloadRoutes.DownloadByAddressOrBucketName))))
r.HEAD("/get/{cid}/{oid:*}", a.logger(a.tokenizer(a.tracer(downloadRoutes.HeadByAddressOrBucketName))))
a.log.Info("added path /get/{cid}/{oid}")
r.GET("/get_by_attribute/{cid}/{attr_key}/{attr_val:*}", a.logger(downloadRoutes.DownloadByAttribute))
r.HEAD("/get_by_attribute/{cid}/{attr_key}/{attr_val:*}", a.logger(downloadRoutes.HeadByAttribute))
r.GET("/get_by_attribute/{cid}/{attr_key}/{attr_val:*}", a.logger(a.tokenizer(a.tracer(downloadRoutes.DownloadByAttribute))))
r.HEAD("/get_by_attribute/{cid}/{attr_key}/{attr_val:*}", a.logger(a.tokenizer(a.tracer(downloadRoutes.HeadByAttribute))))
a.log.Info("added path /get_by_attribute/{cid}/{attr_key}/{attr_val:*}")
r.GET("/zip/{cid}/{prefix:*}", a.logger(downloadRoutes.DownloadZipped))
r.GET("/zip/{cid}/{prefix:*}", a.logger(a.tokenizer(a.tracer(downloadRoutes.DownloadZipped))))
a.log.Info("added path /zip/{cid}/{prefix}")
a.webServer.Handler = r.Handler
}
func (a *app) logger(h fasthttp.RequestHandler) fasthttp.RequestHandler {
func (a *app) logger(req fasthttp.RequestHandler) fasthttp.RequestHandler {
return func(ctx *fasthttp.RequestCtx) {
a.log.Info("request", zap.String("remote", ctx.RemoteAddr().String()),
zap.ByteString("method", ctx.Method()),
zap.ByteString("path", ctx.Path()),
zap.ByteString("query", ctx.QueryArgs().QueryString()),
zap.Uint64("id", ctx.ID()))
h(ctx)
req(ctx)
}
}
func (a *app) tokenizer(req fasthttp.RequestHandler) fasthttp.RequestHandler {
return func(ctx *fasthttp.RequestCtx) {
appCtx, err := tokens.StoreBearerTokenAppCtx(ctx, a.ctx)
if err != nil {
a.log.Error("could not fetch and store bearer token", zap.Error(err))
response.Error(ctx, "could not fetch and store bearer token: "+err.Error(), fasthttp.StatusBadRequest)
}
utils.SetContextToRequest(appCtx, ctx)
req(ctx)
}
}
func (a *app) tracer(req fasthttp.RequestHandler) fasthttp.RequestHandler {
return func(ctx *fasthttp.RequestCtx) {
appCtx := utils.GetContextFromRequest(ctx)
appCtx, span := utils.StartHTTPServerSpan(appCtx, ctx, "REQUEST")
defer func() {
utils.SetHTTPTraceInfo(appCtx, span, ctx)
span.End()
}()
utils.SetContextToRequest(appCtx, ctx)
req(ctx)
}
}

77
downloader/download.go
View file

@ -28,8 +28,6 @@ import (
oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/pool"
"github.com/valyala/fasthttp"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/trace"
"go.uber.org/atomic"
"go.uber.org/zap"
)
@ -97,15 +95,10 @@ func receiveFile(ctx context.Context, req request, clnt *pool.Pool, objectAddres
start = time.Now()
filename string
)
if err = tokens.StoreBearerToken(req.RequestCtx); err != nil {
req.log.Error("could not fetch and store bearer token", zap.Error(err))
response.Error(req.RequestCtx, "could not fetch and store bearer token: "+err.Error(), fasthttp.StatusBadRequest)
return
}
var prm pool.PrmObjectGet
prm.SetAddress(objectAddress)
if btoken := bearerToken(req.RequestCtx); btoken != nil {
if btoken := bearerToken(ctx); btoken != nil {
prm.UseBearer(*btoken)
}
@ -208,7 +201,6 @@ func (r *request) handleFrostFSErr(err error, start time.Time) {
// Downloader is a download request handler.
type Downloader struct {
appCtx context.Context
log *zap.Logger
pool *pool.Pool
containerResolver *resolver.ContainerResolver
@ -230,9 +222,8 @@ func (s *Settings) SetZipCompression(val bool) {
}
// New creates an instance of Downloader using specified options.
func New(ctx context.Context, params *utils.AppParams, settings *Settings, tree *tree.Tree) *Downloader {
func New(params *utils.AppParams, settings *Settings, tree *tree.Tree) *Downloader {
return &Downloader{
appCtx: ctx,
log: params.Logger,
pool: params.Pool,
settings: settings,
@ -269,15 +260,7 @@ func (d *Downloader) byAddress(c *fasthttp.RequestCtx, f func(context.Context, r
log = d.log.With(zap.String("cid", idCnr), zap.String("oid", idObj))
)
ctx, span := utils.StartHTTPServerSpan(d.appCtx, c, "GET Object",
trace.WithAttributes(
attribute.String("cid", idCnr),
attribute.String("oid", idObj),
))
defer func() {
utils.SetHTTPTraceInfo(ctx, span, c)
span.End()
}()
ctx := utils.GetContextFromRequest(c)
cnrID, err := utils.GetContainerID(ctx, idCnr, d.containerResolver)
if err != nil {
@ -309,22 +292,7 @@ func (d *Downloader) byBucketname(req *fasthttp.RequestCtx, f func(context.Conte
log = d.log.With(zap.String("bucketname", bucketname), zap.String("key", key))
)
ctx, err := tokens.StoreBearerTokenAppCtx(req, d.appCtx)
if err != nil {
log.Error("could not fetch and store bearer token", zap.Error(err))
response.Error(req, "could not fetch and store bearer token: "+err.Error(), fasthttp.StatusBadRequest)
return
}
ctx, span := utils.StartHTTPServerSpan(ctx, req, "GET Object by bucket name",
trace.WithAttributes(
attribute.String("bucketname", bucketname),
attribute.String("objectKey", key),
))
defer func() {
utils.SetHTTPTraceInfo(ctx, span, req)
span.End()
}()
ctx := utils.GetContextFromRequest(req)
cnrID, err := utils.GetContainerID(ctx, bucketname, d.containerResolver)
if err != nil {
@ -366,16 +334,7 @@ func (d *Downloader) byAttribute(c *fasthttp.RequestCtx, f func(context.Context,
log = d.log.With(zap.String("cid", scid), zap.String("attr_key", key), zap.String("attr_val", val))
)
ctx, span := utils.StartHTTPServerSpan(d.appCtx, c, "GET Object",
trace.WithAttributes(
attribute.String("attr_key", key),
attribute.String("attr_val", val),
attribute.String("cid", scid),
))
defer func() {
utils.SetHTTPTraceInfo(ctx, span, c)
span.End()
}()
ctx := utils.GetContextFromRequest(c)
containerID, err := utils.GetContainerID(ctx, scid, d.containerResolver)
if err != nil {
@ -384,7 +343,7 @@ func (d *Downloader) byAttribute(c *fasthttp.RequestCtx, f func(context.Context,
return
}
res, err := d.search(c, ctx, containerID, key, val, object.MatchStringEqual)
res, err := d.search(ctx, containerID, key, val, object.MatchStringEqual)
if err != nil {
log.Error("could not search for objects", zap.Error(err))
response.Error(c, "could not search for objects: "+err.Error(), fasthttp.StatusBadRequest)
@ -415,7 +374,7 @@ func (d *Downloader) byAttribute(c *fasthttp.RequestCtx, f func(context.Context,
f(ctx, *d.newRequest(c, log), d.pool, addrObj)
}
func (d *Downloader) search(c *fasthttp.RequestCtx, ctx context.Context, cid *cid.ID, key, val string, op object.SearchMatchType) (pool.ResObjectSearch, error) {
func (d *Downloader) search(ctx context.Context, cid *cid.ID, key, val string, op object.SearchMatchType) (pool.ResObjectSearch, error) {
filters := object.NewSearchFilters()
filters.AddRootFilter()
filters.AddFilter(key, val, op)
@ -423,7 +382,7 @@ func (d *Downloader) search(c *fasthttp.RequestCtx, ctx context.Context, cid *ci
var prm pool.PrmObjectSearch
prm.SetContainerID(*cid)
prm.SetFilters(filters)
if btoken := bearerToken(c); btoken != nil {
if btoken := bearerToken(ctx); btoken != nil {
prm.UseBearer(*btoken)
}
@ -461,15 +420,7 @@ func (d *Downloader) DownloadZipped(c *fasthttp.RequestCtx) {
prefix, _ := url.QueryUnescape(c.UserValue("prefix").(string))
log := d.log.With(zap.String("cid", scid), zap.String("prefix", prefix))
ctx, span := utils.StartHTTPServerSpan(d.appCtx, c, "DOWNLOAD ZIP Object",
trace.WithAttributes(
attribute.String("prefix", prefix),
attribute.String("cid", scid),
))
defer func() {
utils.SetHTTPTraceInfo(ctx, span, c)
span.End()
}()
ctx := utils.GetContextFromRequest(c)
containerID, err := utils.GetContainerID(ctx, scid, d.containerResolver)
if err != nil {
@ -478,12 +429,6 @@ func (d *Downloader) DownloadZipped(c *fasthttp.RequestCtx) {
return
}
if err = tokens.StoreBearerToken(c); err != nil {
log.Error("could not fetch and store bearer token", zap.Error(err))
response.Error(c, "could not fetch and store bearer token: "+err.Error(), fasthttp.StatusBadRequest)
return
}
// check if container exists here to be able to return 404 error,
// otherwise we get this error only in object iteration step
// and client get 200 OK.
@ -497,7 +442,7 @@ func (d *Downloader) DownloadZipped(c *fasthttp.RequestCtx) {
return
}
resSearch, err := d.search(c, ctx, containerID, object.AttributeFilePath, prefix, object.MatchCommonPrefix)
resSearch, err := d.search(ctx, containerID, object.AttributeFilePath, prefix, object.MatchCommonPrefix)
if err != nil {
log.Error("could not search for objects", zap.Error(err))
response.Error(c, "could not search for objects: "+err.Error(), fasthttp.StatusBadRequest)
@ -518,7 +463,7 @@ func (d *Downloader) DownloadZipped(c *fasthttp.RequestCtx) {
empty := true
called := false
btoken := bearerToken(c)
btoken := bearerToken(ctx)
addr.SetContainer(*containerID)
errIter := resSearch.Iterate(func(id oid.ID) bool {

21
downloader/head.go
View file

@ -7,16 +7,11 @@ import (
"strconv"
"time"
"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/pkg/tracing"
"git.frostfs.info/TrueCloudLab/frostfs-http-gw/response"
"git.frostfs.info/TrueCloudLab/frostfs-http-gw/tokens"
"git.frostfs.info/TrueCloudLab/frostfs-http-gw/utils"
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/pool"
"github.com/valyala/fasthttp"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/trace"
"go.uber.org/zap"
)
@ -30,23 +25,9 @@ const (
)
func headObject(ctx context.Context, req request, clnt *pool.Pool, objectAddress oid.Address) {
ctx, span := tracing.StartSpanFromContext(ctx, "HEAD Object", trace.WithAttributes(
attribute.String("cid", objectAddress.Container().EncodeToString()),
attribute.String("oid", objectAddress.Object().EncodeToString()),
))
defer func() {
utils.SetHTTPTraceInfo(ctx, span, req.RequestCtx)
span.End()
}()
var start = time.Now()
if err := tokens.StoreBearerToken(req.RequestCtx); err != nil {
req.log.Error("could not fetch and store bearer token", zap.Error(err))
response.Error(req.RequestCtx, "could not fetch and store bearer token", fasthttp.StatusBadRequest)
return
}
btoken := bearerToken(req.RequestCtx)
btoken := bearerToken(ctx)
var prm pool.PrmObjectHead
prm.SetAddress(objectAddress)

2
main.go
View file

@ -12,6 +12,6 @@ func main() {
logger, atomicLevel := newLogger(v)
application := newApp(globalContext, WithLogger(logger, atomicLevel), WithConfig(v))
go application.Serve(globalContext)
go application.Serve()
application.Wait()
}

12
tokens/bearer-token.go
View file

@ -48,18 +48,6 @@ func BearerTokenFromCookie(h *fasthttp.RequestHeader) []byte {
return auth
}
// StoreBearerToken extracts a bearer token from the header or cookie and stores
// it in the request context.
func StoreBearerToken(ctx *fasthttp.RequestCtx) error {
tkn, err := fetchBearerToken(ctx)
if err != nil {
return err
}
// This is an analog of context.WithValue.
ctx.SetUserValue(bearerTokenKey, tkn)
return nil
}
// StoreBearerTokenAppCtx extracts a bearer token from the header or cookie and stores
// it in the application context.
func StoreBearerTokenAppCtx(ctx *fasthttp.RequestCtx, appCtx context.Context) (context.Context, error) {

6
tokens/bearer-token_test.go
View file

@ -3,6 +3,7 @@
package tokens
import (
"context"
"encoding/base64"
"testing"
@ -153,10 +154,11 @@ func Test_checkAndPropagateBearerToken(t *testing.T) {
ctx := makeTestRequest(t64, "")
// Expect to see the token within the context.
require.NoError(t, StoreBearerToken(ctx))
appCtx, err := StoreBearerTokenAppCtx(ctx, context.Background())
require.NoError(t, err)
// Expect to see the same token without errors.
actual, err := LoadBearerToken(ctx)
actual, err := LoadBearerToken(appCtx)
require.NoError(t, err)
require.Equal(t, tkn, actual)
}

23
uploader/upload.go
View file

@ -18,8 +18,6 @@ import (
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/pool"
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/user"
"github.com/valyala/fasthttp"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/trace"
"go.uber.org/atomic"
"go.uber.org/zap"
)
@ -31,7 +29,6 @@ const (
// Uploader is an upload request handler.
type Uploader struct {
appCtx context.Context
log *zap.Logger
pool *pool.Pool
ownerID *user.ID
@ -54,9 +51,8 @@ func (s *Settings) SetDefaultTimestamp(val bool) {
// New creates a new Uploader using specified logger, connection pool and
// other options.
func New(ctx context.Context, params *utils.AppParams, settings *Settings) *Uploader {
func New(params *utils.AppParams, settings *Settings) *Uploader {
return &Uploader{
appCtx: ctx,
log: params.Logger,
pool: params.Pool,
ownerID: params.Owner,
@ -77,20 +73,7 @@ func (u *Uploader) Upload(req *fasthttp.RequestCtx) {
drainBuf = make([]byte, drainBufSize)
)
if err := tokens.StoreBearerToken(req); err != nil {
log.Error("could not fetch bearer token", zap.Error(err))
response.Error(req, "could not fetch bearer token", fasthttp.StatusBadRequest)
return
}
ctx, span := utils.StartHTTPServerSpan(u.appCtx, req, "UPLOAD Object",
trace.WithAttributes(
attribute.String("cid", scid),
))
defer func() {
utils.SetHTTPTraceInfo(ctx, span, req)
span.End()
}()
ctx := utils.GetContextFromRequest(req)
idCnr, err := utils.GetContainerID(ctx, scid, u.containerResolver)
if err != nil {
@ -162,7 +145,7 @@ func (u *Uploader) Upload(req *fasthttp.RequestCtx) {
timestamp.SetValue(strconv.FormatInt(time.Now().Unix(), 10))
attributes = append(attributes, *timestamp)
}
id, bt := u.fetchOwnerAndBearerToken(req)
id, bt := u.fetchOwnerAndBearerToken(ctx)
obj := object.New()
obj.SetContainerID(*idCnr)

1
utils/tracing.go
View file

@ -77,6 +77,7 @@ func StartHTTPServerSpan(ctx context.Context, req *fasthttp.RequestCtx, operatio
attribute.String("http.path", string(req.Path())),
semconv.HTTPMethod(string(req.Method())),
semconv.RPCService("frostfs-http-gw"),
attribute.String("http.query", req.QueryArgs().String()),
), trace.WithSpanKind(trace.SpanKindServer))
return tracing.StartSpanFromContext(ctx, operationName, opts...)
}

11
utils/util.go
View file

@ -7,6 +7,7 @@ import (
"git.frostfs.info/TrueCloudLab/frostfs-http-gw/resolver"
cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/pool"
"github.com/valyala/fasthttp"
)
// GetContainerID decode container id, if it's not a valid container id
@ -43,3 +44,13 @@ func GetEpochDurations(ctx context.Context, p *pool.Pool) (*EpochDurations, erro
}
return res, nil
}
// SetContextToRequest adds new context to fasthttp request.
func SetContextToRequest(ctx context.Context, c *fasthttp.RequestCtx) {
c.SetUserValue("context", ctx)
}
// GetContextFromRequest returns main context from fasthttp request context.
func GetContextFromRequest(c *fasthttp.RequestCtx) context.Context {
return c.UserValue("context").(context.Context)
}