X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/46b3cec92aeb88a1b12f45b5484a1de0c7d137e6..cbd11b4bfd5bcc637abe0e7678239dd1e7a2fbd2:/services/keepstore/handlers.go diff --git a/services/keepstore/handlers.go b/services/keepstore/handlers.go index 84fa6a6a88..038e812c4f 100644 --- a/services/keepstore/handlers.go +++ b/services/keepstore/handlers.go @@ -10,10 +10,10 @@ package main import ( "bufio" "bytes" + "container/list" "crypto/md5" "encoding/json" "fmt" - "git.curoverse.com/arvados.git/services/keepstore/pull_list" "github.com/gorilla/mux" "io" "log" @@ -59,10 +59,12 @@ func MakeRESTRouter() *mux.Router { `/index/{prefix:[0-9a-f]{0,32}}`, IndexHandler).Methods("GET", "HEAD") rest.HandleFunc(`/status.json`, StatusHandler).Methods("GET", "HEAD") - // The PullHandler processes "PUT /pull" commands from Data Manager. - // It parses the JSON list of pull requests in the request body, and - // delivers them to the pull list manager for replication. + // The PullHandler and TrashHandler process "PUT /pull" and "PUT + // /trash" requests from Data Manager. Each handler parses the + // JSON list of block management requests in the message body, and + // delivers them to the pull queue or trash queue, respectively. rest.HandleFunc(`/pull`, PullHandler).Methods("PUT") + rest.HandleFunc(`/trash`, TrashHandler).Methods("PUT") // Any request which does not match any of these routes gets // 400 Bad Request. @@ -436,6 +438,11 @@ func DeleteHandler(resp http.ResponseWriter, req *http.Request) { If the JSON unmarshalling fails, return 400 Bad Request. */ +type PullRequest struct { + Locator string `json:"locator"` + Servers []string `json:"servers"` +} + func PullHandler(resp http.ResponseWriter, req *http.Request) { // Reject unauthorized requests. api_token := GetApiToken(req) @@ -446,9 +453,9 @@ func PullHandler(resp http.ResponseWriter, req *http.Request) { } // Parse the request body. - var plist []pull_list.PullRequest + var pr []PullRequest r := json.NewDecoder(req.Body) - if err := r.Decode(&plist); err != nil { + if err := r.Decode(&pr); err != nil { http.Error(resp, BadRequestError.Error(), BadRequestError.HTTPCode) log.Printf("%s %s: %s\n", req.Method, req.URL, err.Error()) return @@ -457,15 +464,62 @@ func PullHandler(resp http.ResponseWriter, req *http.Request) { // We have a properly formatted pull list sent from the data // manager. Report success and send the list to the pull list // manager for further handling. - log.Printf("%s %s: received %v\n", req.Method, req.URL, plist) + log.Printf("%s %s: received %v\n", req.Method, req.URL, pr) resp.WriteHeader(http.StatusOK) resp.Write([]byte( - fmt.Sprintf("Received %d pull requests\n", len(plist)))) + fmt.Sprintf("Received %d pull requests\n", len(pr)))) + + plist := list.New() + for _, p := range pr { + plist.PushBack(p) + } + + if pullq == nil { + pullq = NewWorkQueue() + } + pullq.ReplaceQueue(plist) +} + +type TrashRequest struct { + Locator string `json:"locator"` + BlockMtime int64 `json:"block_mtime"` +} + +func TrashHandler(resp http.ResponseWriter, req *http.Request) { + // Reject unauthorized requests. + api_token := GetApiToken(req) + if !IsDataManagerToken(api_token) { + http.Error(resp, UnauthorizedError.Error(), UnauthorizedError.HTTPCode) + log.Printf("%s %s: %s\n", req.Method, req.URL, UnauthorizedError.Error()) + return + } + + // Parse the request body. + var trash []TrashRequest + r := json.NewDecoder(req.Body) + if err := r.Decode(&trash); err != nil { + http.Error(resp, BadRequestError.Error(), BadRequestError.HTTPCode) + log.Printf("%s %s: %s\n", req.Method, req.URL, err.Error()) + return + } + + // We have a properly formatted trash list sent from the data + // manager. Report success and send the list to the trash work + // queue for further handling. + log.Printf("%s %s: received %v\n", req.Method, req.URL, trash) + resp.WriteHeader(http.StatusOK) + resp.Write([]byte( + fmt.Sprintf("Received %d trash requests\n", len(trash)))) + + tlist := list.New() + for _, t := range trash { + tlist.PushBack(t) + } - if pullmgr == nil { - pullmgr = pull_list.NewManager() + if trashq == nil { + trashq = NewWorkQueue() } - pullmgr.SetList(plist) + trashq.ReplaceQueue(tlist) } // ==============================