+// Copyright (C) The Arvados Authors. All rights reserved.
+//
+// SPDX-License-Identifier: AGPL-3.0
+
package main
// REST handlers for Keep are implemented here.
"crypto/md5"
"encoding/json"
"fmt"
- "github.com/gorilla/mux"
"io"
"net/http"
"os"
"sync"
"time"
+ "github.com/gorilla/mux"
+
+ "git.curoverse.com/arvados.git/sdk/go/health"
"git.curoverse.com/arvados.git/sdk/go/httpserver"
log "github.com/Sirupsen/logrus"
)
rest.HandleFunc(`/{hash:[0-9a-f]{32}}`, PutBlockHandler).Methods("PUT")
rest.HandleFunc(`/{hash:[0-9a-f]{32}}`, DeleteHandler).Methods("DELETE")
// List all blocks stored here. Privileged client only.
- rest.HandleFunc(`/index`, IndexHandler).Methods("GET", "HEAD")
+ rest.HandleFunc(`/index`, rtr.IndexHandler).Methods("GET", "HEAD")
// List blocks stored here whose hash has the given prefix.
// Privileged client only.
- rest.HandleFunc(`/index/{prefix:[0-9a-f]{0,32}}`, IndexHandler).Methods("GET", "HEAD")
+ rest.HandleFunc(`/index/{prefix:[0-9a-f]{0,32}}`, rtr.IndexHandler).Methods("GET", "HEAD")
// Internals/debugging info (runtime.MemStats)
rest.HandleFunc(`/debug.json`, rtr.DebugHandler).Methods("GET", "HEAD")
// List volumes: path, device number, bytes used/avail.
rest.HandleFunc(`/status.json`, rtr.StatusHandler).Methods("GET", "HEAD")
+ // List mounts: UUID, readonly, tier, device ID, ...
+ rest.HandleFunc(`/mounts`, rtr.MountsHandler).Methods("GET")
+ rest.HandleFunc(`/mounts/{uuid}/blocks`, rtr.IndexHandler).Methods("GET")
+ rest.HandleFunc(`/mounts/{uuid}/blocks/`, rtr.IndexHandler).Methods("GET")
+
// Replace the current pull queue.
rest.HandleFunc(`/pull`, PullHandler).Methods("PUT")
// Untrash moves blocks from trash back into store
rest.HandleFunc(`/untrash/{hash:[0-9a-f]{32}}`, UntrashHandler).Methods("PUT")
+ rest.Handle("/_health/{check}", &health.Handler{
+ Token: theConfig.ManagementToken,
+ Prefix: "/_health/",
+ }).Methods("GET")
+
// Any request which does not match any of these routes gets
// 400 Bad Request.
rest.NotFoundHandler = http.HandlerFunc(BadRequestHandler)
resp.Write([]byte(returnHash + "\n"))
}
-// IndexHandler is a HandleFunc to address /index and /index/{prefix} requests.
-func IndexHandler(resp http.ResponseWriter, req *http.Request) {
- // Reject unauthorized requests.
+// IndexHandler responds to "/index", "/index/{prefix}", and
+// "/mounts/{uuid}/blocks" requests.
+func (rtr *router) IndexHandler(resp http.ResponseWriter, req *http.Request) {
if !IsSystemAuth(GetAPIToken(req)) {
http.Error(resp, UnauthorizedError.Error(), UnauthorizedError.HTTPCode)
return
}
prefix := mux.Vars(req)["prefix"]
+ if prefix == "" {
+ req.ParseForm()
+ prefix = req.Form.Get("prefix")
+ }
- for _, vol := range KeepVM.AllReadable() {
- if err := vol.IndexTo(prefix, resp); err != nil {
+ uuid := mux.Vars(req)["uuid"]
+
+ var vols []Volume
+ if uuid == "" {
+ vols = KeepVM.AllReadable()
+ } else if v := KeepVM.Lookup(uuid, false); v == nil {
+ http.Error(resp, "mount not found", http.StatusNotFound)
+ return
+ } else {
+ vols = []Volume{v}
+ }
+
+ for _, v := range vols {
+ if err := v.IndexTo(prefix, resp); err != nil {
// The only errors returned by IndexTo are
// write errors returned by resp.Write(),
// which probably means the client has
resp.Write([]byte{'\n'})
}
+// MountsHandler responds to "GET /mounts" requests.
+func (rtr *router) MountsHandler(resp http.ResponseWriter, req *http.Request) {
+ err := json.NewEncoder(resp).Encode(KeepVM.Mounts())
+ if err != nil {
+ http.Error(resp, err.Error(), http.StatusInternalServerError)
+ }
+}
+
// PoolStatus struct
type PoolStatus struct {
- Alloc uint64 `json:"BytesAllocated"`
+ Alloc uint64 `json:"BytesAllocatedCumulative"`
Cap int `json:"BuffersMax"`
Len int `json:"BuffersInUse"`
}
type PullRequest struct {
Locator string `json:"locator"`
Servers []string `json:"servers"`
+
+ // Destination mount, or "" for "anywhere"
+ MountUUID string
}
// PullHandler processes "PUT /pull" requests for the data manager.
type TrashRequest struct {
Locator string `json:"locator"`
BlockMtime int64 `json:"block_mtime"`
+
+ // Target mount, or "" for "everywhere"
+ MountUUID string
}
// TrashHandler processes /trash requests.