func (rh *RootHandler) serveDiscovery(rw http.ResponseWriter, req *http.Request) {
d := &camtypes.Discovery{
BlobRoot: rh.BlobRoot,
JSONSignRoot: rh.JSONSignRoot,
HelpRoot: rh.helpRoot,
ImporterRoot: rh.importerRoot,
SearchRoot: rh.SearchRoot,
StatusRoot: rh.statusRoot,
OwnerName: rh.OwnerName,
UserName: rh.Username,
AuthToken: auth.Token(),
ThumbVersion: images.ThumbnailVersion(),
}
if gener, ok := rh.Storage.(blobserver.Generationer); ok {
initTime, gen, err := gener.StorageGeneration()
if err != nil {
d.StorageGenerationError = err.Error()
} else {
d.StorageInitTime = types.Time3339(initTime)
d.StorageGeneration = gen
}
} else {
log.Printf("Storage type %T is not a blobserver.Generationer; not sending storageGeneration", rh.Storage)
}
if rh.ui != nil {
d.UIDiscovery = rh.ui.discovery()
}
if rh.sigh != nil {
d.Signing = rh.sigh.Discovery(rh.JSONSignRoot)
}
if len(rh.sync) > 0 {
syncHandlers := make([]camtypes.SyncHandlerDiscovery, 0, len(rh.sync))
for _, sh := range rh.sync {
syncHandlers = append(syncHandlers, sh.discovery())
}
d.SyncHandlers = syncHandlers
}
discoveryHelper(rw, req, d)
}
func (sh *SyncHandler) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
if req.Method == "POST" {
if req.FormValue("mode") == "validate" {
token := req.FormValue("token")
if xsrftoken.Valid(token, auth.Token(), "user", "runFullValidate") {
sh.startFullValidation()
http.Redirect(rw, req, "./", http.StatusFound)
return
}
}
http.Error(rw, "Bad POST request", http.StatusBadRequest)
return
}
// TODO: remove this lock and instead just call currentStatus,
// and transition to using that here.
sh.mu.Lock()
defer sh.mu.Unlock()
f := func(p string, a ...interface{}) {
fmt.Fprintf(rw, p, a...)
}
now := time.Now()
f("<h1>Sync Status (for %s to %s)</h1>", sh.fromName, sh.toName)
f("<p><b>Current status: </b>%s</p>", html.EscapeString(sh.status))
if sh.idle {
return
}
f("<h2>Stats:</h2><ul>")
f("<li>Source: %s</li>", html.EscapeString(storageDesc(sh.from)))
f("<li>Target: %s</li>", html.EscapeString(storageDesc(sh.to)))
f("<li>Blobs synced: %d</li>", sh.totalCopies)
f("<li>Bytes synced: %d</li>", sh.totalCopyBytes)
f("<li>Blobs yet to copy: %d</li>", len(sh.needCopy))
f("<li>Bytes yet to copy: %d</li>", sh.bytesRemain)
if !sh.recentCopyTime.IsZero() {
f("<li>Most recent copy: %s (%v ago)</li>", sh.recentCopyTime.Format(time.RFC3339), now.Sub(sh.recentCopyTime))
}
clarification := ""
if len(sh.needCopy) == 0 && sh.totalErrors > 0 {
clarification = "(all since resolved)"
}
f("<li>Previous copy errors: %d %s</li>", sh.totalErrors, clarification)
f("</ul>")
f("<h2>Validation</h2>")
if len(sh.vshards) == 0 {
f("Validation disabled")
token := xsrftoken.Generate(auth.Token(), "user", "runFullValidate")
f("<form method='POST'><input type='hidden' name='mode' value='validate'><input type='hidden' name='token' value='%s'><input type='submit' value='Start validation'></form>", token)
} else {
f("<p>Background scan of source and destination to ensure that the destination has everything the source does, or is at least enqueued to sync.</p>")
f("<ul>")
f("<li>Shards complete: %d/%d (%.1f%%)</li>",
sh.vshardDone,
len(sh.vshards),
100*float64(sh.vshardDone)/float64(len(sh.vshards)))
f("<li>Source blobs seen: %d</li>", sh.vsrcCount)
f("<li>Source bytes seen: %d</li>", sh.vsrcBytes)
f("<li>Dest blobs seen: %d</li>", sh.vdestCount)
f("<li>Dest bytes seen: %d</li>", sh.vdestBytes)
f("<li>Blobs found missing & enqueued: %d</li>", sh.vmissing)
if len(sh.vshardErrs) > 0 {
f("<li>Validation errors:<ul>\n")
for _, e := range sh.vshardErrs {
f(" <li>%s</li>\n", html.EscapeString(e))
}
f("</li>\n")
}
f("</ul>")
}
if len(sh.copying) > 0 {
f("<h2>Currently Copying</h2><ul>")
copying := make([]blob.Ref, 0, len(sh.copying))
for br := range sh.copying {
copying = append(copying, br)
}
sort.Sort(blob.ByRef(copying))
for _, br := range copying {
f("<li>%s</li>\n", sh.copying[br])
}
f("</ul>")
}
recentErrors := make([]blob.Ref, 0, len(sh.recentErrors))
for _, br := range sh.recentErrors {
if _, ok := sh.needCopy[br]; ok {
// Only show it in the web UI if it's still a problem. Blobs that
// have since succeeded just confused people.
recentErrors = append(recentErrors, br)
}
}
if len(recentErrors) > 0 {
f("<h2>Recent Errors</h2><p>Blobs that haven't successfully copied over yet, and their last errors:</p><ul>")
for _, br := range recentErrors {
fail := sh.lastFail[br]
f("<li>%s: %s: %s</li>\n",
br,
fail.when.Format(time.RFC3339),
html.EscapeString(fail.err.Error()))
}
f("</ul>")
}
}