"time"
"git.arvados.org/arvados.git/sdk/go/arvados"
- "git.arvados.org/arvados.git/sdk/go/arvadosclient"
"git.arvados.org/arvados.git/sdk/go/ctxlog"
- "git.arvados.org/arvados.git/sdk/go/keepclient"
"github.com/AdRoll/goamz/s3"
)
return false
}
- var err error
- var fs arvados.CustomFileSystem
- var arvclient *arvadosclient.ArvadosClient
- if r.Method == http.MethodGet || r.Method == http.MethodHead {
- // Use a single session (cached FileSystem) across
- // multiple read requests.
- var sess *cachedSession
- fs, sess, err = h.Cache.GetSession(token)
- if err != nil {
- s3ErrorResponse(w, InternalError, err.Error(), r.URL.Path, http.StatusInternalServerError)
- return true
- }
- arvclient = sess.arvadosclient
- } else {
+ fs, sess, tokenUser, err := h.Cache.GetSession(token)
+ if err != nil {
+ s3ErrorResponse(w, InternalError, err.Error(), r.URL.Path, http.StatusInternalServerError)
+ return true
+ }
+ readfs := fs
+ if writeMethod[r.Method] {
// Create a FileSystem for this request, to avoid
// exposing incomplete write operations to concurrent
// requests.
- var kc *keepclient.KeepClient
- var release func()
- var client *arvados.Client
- arvclient, kc, client, release, err = h.getClients(r.Header.Get("X-Request-Id"), token)
- if err != nil {
- s3ErrorResponse(w, InternalError, err.Error(), r.URL.Path, http.StatusInternalServerError)
- return true
- }
- defer release()
- fs = client.SiteFileSystem(kc)
+ client := sess.client.WithRequestID(r.Header.Get("X-Request-Id"))
+ fs = client.SiteFileSystem(sess.keepclient)
fs.ForwardSlashNameSubstitution(h.Cluster.Collections.ForwardSlashNameSubstitution)
}
return true
}
- tokenUser, err := h.Cache.GetTokenUser(token)
if !h.userPermittedToUploadOrDownload(r.Method, tokenUser) {
http.Error(w, "Not permitted", http.StatusForbidden)
return true
}
- h.logUploadOrDownload(r, arvclient, fs, fspath, nil, tokenUser)
+ h.logUploadOrDownload(r, sess.arvadosclient, fs, fspath, nil, tokenUser)
// shallow copy r, and change URL path
r := *r
}
defer f.Close()
- tokenUser, err := h.Cache.GetTokenUser(token)
if !h.userPermittedToUploadOrDownload(r.Method, tokenUser) {
http.Error(w, "Not permitted", http.StatusForbidden)
return true
}
- h.logUploadOrDownload(r, arvclient, fs, fspath, nil, tokenUser)
+ h.logUploadOrDownload(r, sess.arvadosclient, fs, fspath, nil, tokenUser)
_, err = io.Copy(f, r.Body)
if err != nil {
return true
}
}
- err = fs.Sync()
+ err = h.syncCollection(fs, readfs, fspath)
if err != nil {
err = fmt.Errorf("sync failed: %w", err)
s3ErrorResponse(w, InternalError, err.Error(), r.URL.Path, http.StatusInternalServerError)
return true
}
- // Ensure a subsequent read operation will see the changes.
- h.Cache.ResetSession(token)
w.WriteHeader(http.StatusOK)
return true
case r.Method == http.MethodDelete:
s3ErrorResponse(w, InvalidArgument, err.Error(), r.URL.Path, http.StatusBadRequest)
return true
}
- err = fs.Sync()
+ err = h.syncCollection(fs, readfs, fspath)
if err != nil {
err = fmt.Errorf("sync failed: %w", err)
s3ErrorResponse(w, InternalError, err.Error(), r.URL.Path, http.StatusInternalServerError)
return true
}
- // Ensure a subsequent read operation will see the changes.
- h.Cache.ResetSession(token)
w.WriteHeader(http.StatusNoContent)
return true
default:
}
}
+// Save modifications to the indicated collection in srcfs, then (if
+// successful) ensure they are also reflected in dstfs.
+func (h *handler) syncCollection(srcfs, dstfs arvados.CustomFileSystem, path string) error {
+ coll, _ := h.determineCollection(srcfs, path)
+ if coll == nil || coll.UUID == "" {
+ return errors.New("could not determine collection to sync")
+ }
+ d, err := srcfs.OpenFile("by_id/"+coll.UUID, os.O_RDWR, 0777)
+ if err != nil {
+ return err
+ }
+ defer d.Close()
+ err = d.Sync()
+ if err != nil {
+ return err
+ }
+ snap, err := d.Snapshot()
+ if err != nil {
+ return err
+ }
+ dstd, err := dstfs.OpenFile("by_id/"+coll.UUID, os.O_RDWR, 0777)
+ if err != nil {
+ return err
+ }
+ defer dstd.Close()
+ return dstd.Splice(snap)
+}
+
func setFileInfoHeaders(header http.Header, fs arvados.CustomFileSystem, path string) error {
maybeEncode := func(s string) string {
for _, c := range s {
- if c > '\u007f' {
+ if c > '\u007f' || c < ' ' {
return mime.BEncoding.Encode("UTF-8", s)
}
}