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[#151] index page: Add browse via native protocol

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Signed-off-by: Nikita Zinkevich <n.zinkevich@yadro.com>
This commit is contained in:
Nikita Zinkevich 2024-10-10 11:59:53 +03:00
parent 9c0b499ea6
commit 43764772aa
Signed by: nzinkevich
GPG key ID: 748EA1D0B2E6420A
16 changed files with 537 additions and 133 deletions
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300
internal/handler/browse.go
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@ -1,15 +1,21 @@
package handler
import (
"context"
"html/template"
"net/url"
"sort"
"strconv"
"strings"
"sync"
"time"
"git.frostfs.info/TrueCloudLab/frostfs-http-gw/internal/data"
"git.frostfs.info/TrueCloudLab/frostfs-http-gw/internal/logs"
"git.frostfs.info/TrueCloudLab/frostfs-http-gw/utils"
cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
"github.com/docker/go-units"
"github.com/valyala/fasthttp"
"go.uber.org/zap"
@ -25,19 +31,68 @@ const (
type (
BrowsePageData struct {
BucketName,
Prefix string
Objects []ResponseObject
HasErrors bool
Container string
Prefix string
Protocol string
Objects []ResponseObject
}
ResponseObject struct {
OID string
Created string
FileName string
FilePath string
Size string
IsDir bool
GetURL string
}
)
func newListObjectsResponseS3(attrs map[string]string) ResponseObject {
return ResponseObject{
Created: formatTimestamp(attrs[attrCreated]),
OID: attrs[attrOID],
FileName: attrs[attrFileName],
Size: attrs[attrSize],
IsDir: attrs[attrOID] == "",
}
}
func newListObjectsResponseNative(attrs map[string]string) ResponseObject {
filename := lastPathElement(attrs[object.AttributeFilePath])
if filename == "" {
filename = attrs[attrFileName]
}
return ResponseObject{
OID: attrs[attrOID],
Created: formatTimestamp(attrs[object.AttributeTimestamp] + "000"),
FileName: filename,
FilePath: attrs[object.AttributeFilePath],
Size: attrs[attrSize],
IsDir: false,
}
}
func getNextDir(filepath, prefix string) string {
restPath := strings.Replace(filepath, prefix, "", 1)
index := strings.Index(restPath, "/")
if index == -1 {
return ""
}
return restPath[:index]
}
func lastPathElement(path string) string {
if path == "" {
return path
}
index := strings.LastIndex(path, "/")
if index == len(path)-1 {
index = strings.LastIndex(path[:index], "/")
}
return path[index+1:]
}
func parseTimestamp(tstamp string) (time.Time, error) {
millis, err := strconv.ParseInt(tstamp, 10, 64)
if err != nil {
@ -47,16 +102,6 @@ func parseTimestamp(tstamp string) (time.Time, error) {
return time.UnixMilli(millis), nil
}
func NewResponseObject(nodes map[string]string) ResponseObject {
return ResponseObject{
OID: nodes[attrOID],
Created: nodes[attrCreated],
FileName: nodes[attrFileName],
Size: nodes[attrSize],
IsDir: nodes[attrOID] == "",
}
}
func formatTimestamp(strdate string) string {
date, err := parseTimestamp(strdate)
if err != nil || date.IsZero() {
@ -94,12 +139,9 @@ func trimPrefix(encPrefix string) string {
return prefix[:slashIndex]
}
func urlencode(prefix, filename string) string {
func urlencode(path string) string {
var res strings.Builder
path := filename
if prefix != "" {
path = strings.Join([]string{prefix, filename}, "/")
}
prefixParts := strings.Split(path, "/")
for _, prefixPart := range prefixParts {
prefixPart = "/" + url.PathEscape(prefixPart)
@ -112,46 +154,220 @@ func urlencode(prefix, filename string) string {
return res.String()
}
func (h *Handler) browseObjects(c *fasthttp.RequestCtx, bucketInfo *data.BucketInfo, prefix string) {
type GetObjectsResponse struct {
objects []ResponseObject
hasErrors bool
}
func (h *Handler) getDirObjectsS3(ctx context.Context, bucketInfo *data.BucketInfo, prefix string) (*GetObjectsResponse, error) {
nodes, _, err := h.tree.GetSubTreeByPrefix(ctx, bucketInfo, prefix, true)
if err != nil {
return nil, err
}
result := &GetObjectsResponse{
objects: make([]ResponseObject, 0, len(nodes)),
}
for _, node := range nodes {
meta := node.GetMeta()
if meta == nil {
continue
}
var attrs = make(map[string]string, len(meta))
for _, m := range meta {
attrs[m.GetKey()] = string(m.GetValue())
}
obj := newListObjectsResponseS3(attrs)
obj.FilePath = prefix + obj.FileName
obj.GetURL = "/get/" + bucketInfo.Name + urlencode(obj.FilePath)
result.objects = append(result.objects, obj)
}
return result, nil
}
func (h *Handler) getDirObjectsNative(ctx context.Context, bucketInfo *data.BucketInfo, prefix string) (*GetObjectsResponse, error) {
var basePath string
if ind := strings.LastIndex(prefix, "/"); ind != -1 {
basePath = prefix[:ind+1]
}
filters := object.NewSearchFilters()
filters.AddRootFilter()
if prefix != "" {
filters.AddFilter(object.AttributeFilePath, prefix, object.MatchCommonPrefix)
}
prm := PrmObjectSearch{
PrmAuth: PrmAuth{
BearerToken: bearerToken(ctx),
},
Container: bucketInfo.CID,
Filters: filters,
}
objectIDs, err := h.frostfs.SearchObjects(ctx, prm)
if err != nil {
return nil, err
}
defer objectIDs.Close()
resp, err := h.headDirObjects(ctx, bucketInfo.CID, objectIDs, basePath)
if err != nil {
return nil, err
}
log := utils.GetReqLogOrDefault(ctx, h.log)
dirs := make(map[string]struct{})
result := &GetObjectsResponse{
objects: make([]ResponseObject, 0, 100),
}
for objExt := range resp {
if objExt.Error != nil {
log.Error(logs.FailedToHeadObject, zap.Error(objExt.Error))
result.hasErrors = true
continue
}
if objExt.Object.IsDir {
if _, ok := dirs[objExt.Object.FileName]; ok {
continue
}
objExt.Object.GetURL = "/get/" + bucketInfo.CID.EncodeToString() + urlencode(objExt.Object.FilePath)
dirs[objExt.Object.FileName] = struct{}{}
} else {
objExt.Object.GetURL = "/get/" + bucketInfo.CID.EncodeToString() + "/" + objExt.Object.OID
}
result.objects = append(result.objects, objExt.Object)
}
return result, nil
}
type ResponseObjectExtended struct {
Object ResponseObject
Error error
}
func (h *Handler) headDirObjects(ctx context.Context, cnrID cid.ID, objectIDs ResObjectSearch, basePath string) (<-chan ResponseObjectExtended, error) {
res := make(chan ResponseObjectExtended)
go func() {
defer close(res)
log := utils.GetReqLogOrDefault(ctx, h.log).With(
zap.String("cid", cnrID.EncodeToString()),
zap.String("path", basePath),
)
var wg sync.WaitGroup
err := objectIDs.Iterate(func(id oid.ID) bool {
wg.Add(1)
err := h.workerPool.Submit(func() {
defer wg.Done()
var obj ResponseObjectExtended
obj.Object, obj.Error = h.headDirObject(ctx, cnrID, id, basePath)
res <- obj
})
if err != nil {
wg.Done()
log.Warn(logs.FailedToSumbitTaskToPool, zap.Error(err))
}
select {
case <-ctx.Done():
return true
default:
return false
}
})
if err != nil {
log.Error(logs.FailedToIterateOverResponse, zap.Error(err))
}
wg.Wait()
}()
return res, nil
}
func (h *Handler) headDirObject(ctx context.Context, cnrID cid.ID, objID oid.ID, basePath string) (ResponseObject, error) {
addr := newAddress(cnrID, objID)
obj, err := h.frostfs.HeadObject(ctx, PrmObjectHead{
PrmAuth: PrmAuth{BearerToken: bearerToken(ctx)},
Address: addr,
})
if err != nil {
return ResponseObject{}, err
}
attrs := loadAttributes(obj.Attributes())
attrs[attrOID] = objID.EncodeToString()
if multipartSize, ok := attrs[attributeMultipartObjectSize]; ok {
attrs[attrSize] = multipartSize
} else {
attrs[attrSize] = strconv.FormatUint(obj.PayloadSize(), 10)
}
dirname := getNextDir(attrs[object.AttributeFilePath], basePath)
if dirname == "" {
return newListObjectsResponseNative(attrs), nil
}
return ResponseObject{
FileName: dirname,
FilePath: basePath + dirname,
IsDir: true,
}, nil
}
type browseParams struct {
bucketInfo *data.BucketInfo
prefix string
isNative bool
listObjects func(ctx context.Context, bucketName *data.BucketInfo, prefix string) (*GetObjectsResponse, error)
}
func (h *Handler) browseObjects(c *fasthttp.RequestCtx, p browseParams) {
const S3Protocol = "s3"
const FrostfsProtocol = "frostfs"
ctx := utils.GetContextFromRequest(c)
reqLog := utils.GetReqLogOrDefault(ctx, h.log)
log := reqLog.With(zap.String("bucket", bucketInfo.Name))
nodes, err := h.listObjects(ctx, bucketInfo, prefix)
log := reqLog.With(
zap.String("bucket", p.bucketInfo.Name),
zap.String("container", p.bucketInfo.CID.EncodeToString()),
zap.String("prefix", p.prefix),
)
resp, err := p.listObjects(ctx, p.bucketInfo, p.prefix)
if err != nil {
logAndSendBucketError(c, log, err)
return
}
respObjects := make([]ResponseObject, len(nodes))
for i, node := range nodes {
respObjects[i] = NewResponseObject(node)
}
sort.Slice(respObjects, func(i, j int) bool {
if respObjects[i].IsDir == respObjects[j].IsDir {
return respObjects[i].FileName < respObjects[j].FileName
objects := resp.objects
sort.Slice(objects, func(i, j int) bool {
if objects[i].IsDir == objects[j].IsDir {
return objects[i].FileName < objects[j].FileName
}
return respObjects[i].IsDir
return objects[i].IsDir
})
indexTemplate := h.config.IndexPageTemplate()
tmpl, err := template.New("index").Funcs(template.FuncMap{
"formatTimestamp": formatTimestamp,
"formatSize": formatSize,
"trimPrefix": trimPrefix,
"urlencode": urlencode,
"parentDir": parentDir,
}).Parse(indexTemplate)
"formatSize": formatSize,
"trimPrefix": trimPrefix,
"urlencode": urlencode,
"parentDir": parentDir,
}).Parse(h.config.IndexPageTemplate())
if err != nil {
logAndSendBucketError(c, log, err)
return
}
bucketName := p.bucketInfo.Name
protocol := S3Protocol
if p.isNative {
bucketName = p.bucketInfo.CID.EncodeToString()
protocol = FrostfsProtocol
}
if err = tmpl.Execute(c, &BrowsePageData{
BucketName: bucketInfo.Name,
Prefix: prefix,
Objects: respObjects,
Container: bucketName,
Prefix: p.prefix,
Objects: objects,
Protocol: protocol,
HasErrors: resp.hasErrors,
}); err != nil {
logAndSendBucketError(c, log, err)
return