mirror of
https://github.com/R0m1k3/Loki.git
synced 2026-10-16 03:39:29 +02:00
Lot 4 (socle) : store accessible à Rust, routeur /api côté façade
Le Go expose sa base à la façade par l'API interne : lecture, écriture, suppression d'une clé et lecture d'un bucket entier. Il reste l'unique propriétaire du fichier bbolt ; les écritures passent par putBytes/update et invalident son cache comme une écriture locale. Base illisible : 503, pour que Rust distingue « rien » de « pas pu lire ». Côté Rust : client du store (seul point de passage, que la migration finale de la base ne touchera qu'ici), routeur /api avec contexte partagé et garde d'authentification réutilisable ; /api/ping y emménage. Modules réservés aux aides portées ensuite (système, état du moteur, presets, chemins, GGUF). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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@@ -2,9 +2,12 @@ package loki
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import (
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"crypto/subtle"
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"io"
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"net/http"
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"os"
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"strings"
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bolt "go.etcd.io/bbolt"
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)
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// API interne entre la façade Rust (rust/loki-rs) et ce serveur.
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@@ -56,12 +59,107 @@ func withInternalAPI(next http.Handler) http.Handler {
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switch r.URL.Path {
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case "/internal/v1/auth":
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handleInternalAuth(w, r)
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case "/internal/v1/store":
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handleInternalStore(w, r)
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case "/internal/v1/store/all":
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handleInternalStoreAll(w, r)
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default:
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http.NotFound(w, r)
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}
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})
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}
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// --- Store ----------------------------------------------------------------
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//
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// Accès générique à la base pour les routes déjà portées en Rust (lot 4) : le
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// Go reste l'unique propriétaire du fichier bbolt jusqu'au lot qui le
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// migrera ; Rust lit et écrit À TRAVERS lui. Les écritures passent par
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// putBytes/update, donc invalident le cache de ce process comme une écriture
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// locale.
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//
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// GET /internal/v1/store?bucket=B&key=K 200 + valeur brute | 404 absente
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// PUT /internal/v1/store?bucket=B&key=K corps = valeur → 204
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// DELETE /internal/v1/store?bucket=B&key=K → 204
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// GET /internal/v1/store/all?bucket=B 200 + {"clé":"valeur",…}
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//
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// Base illisible : 503 — l'appelant distingue « rien » de « pas pu lire »,
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// comme getBytesErr.
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// internalStoreMaxPut borne une écriture : la plus grosse valeur légitime (le
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// journal d'une discussion) reste très en dessous.
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const internalStoreMaxPut = 64 << 20
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func handleInternalStore(w http.ResponseWriter, r *http.Request) {
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q := r.URL.Query()
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bucket, key := q.Get("bucket"), q.Get("key")
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if bucket == "" || key == "" {
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sendJSON(w, http.StatusBadRequest, map[string]any{"error": "bucket et key requis"})
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return
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}
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switch r.Method {
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case http.MethodGet:
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var val []byte
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var found bool
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err := view(bucket, func(b *bolt.Bucket) error {
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if v := b.Get([]byte(key)); v != nil {
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val, found = append([]byte(nil), v...), true
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}
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return nil
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})
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if err != nil {
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sendJSON(w, http.StatusServiceUnavailable, map[string]any{"error": err.Error()})
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return
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}
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if !found {
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http.NotFound(w, r)
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return
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}
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w.Header().Set("Content-Type", "application/octet-stream")
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w.Write(val)
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case http.MethodPut:
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val, err := io.ReadAll(io.LimitReader(r.Body, internalStoreMaxPut+1))
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if err != nil || len(val) > internalStoreMaxPut {
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sendJSON(w, http.StatusRequestEntityTooLarge, map[string]any{"error": "valeur trop grande ou illisible"})
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return
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}
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if err := putBytes(bucket, key, val); err != nil {
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sendJSON(w, http.StatusServiceUnavailable, map[string]any{"error": err.Error()})
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return
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}
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w.WriteHeader(http.StatusNoContent)
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case http.MethodDelete:
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err := update(bucket, func(b *bolt.Bucket) error { return b.Delete([]byte(key)) })
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if err != nil {
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sendJSON(w, http.StatusServiceUnavailable, map[string]any{"error": err.Error()})
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return
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}
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w.WriteHeader(http.StatusNoContent)
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default:
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w.Header().Set("Allow", "GET, PUT, DELETE")
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sendJSON(w, http.StatusMethodNotAllowed, map[string]any{"error": "méthode non permise"})
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}
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}
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func handleInternalStoreAll(w http.ResponseWriter, r *http.Request) {
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bucket := r.URL.Query().Get("bucket")
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if r.Method != http.MethodGet || bucket == "" {
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sendJSON(w, http.StatusBadRequest, map[string]any{"error": "GET ?bucket= attendu"})
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return
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}
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m := map[string]string{}
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err := view(bucket, func(b *bolt.Bucket) error {
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return b.ForEach(func(k, v []byte) error {
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m[string(k)] = string(v)
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return nil
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})
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})
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if err != nil {
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sendJSON(w, http.StatusServiceUnavailable, map[string]any{"error": err.Error()})
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return
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}
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sendJSON(w, http.StatusOK, m)
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}
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// handleInternalAuth : de quoi authentifier une requête de pilotage côté Rust.
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// Base illisible → 503 : la façade ferme alors l'accès, elle n'ouvre jamais
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// sur une panne d'E/S (cf. readWebKeyErr).
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@@ -2,6 +2,7 @@ package loki
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import (
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"encoding/json"
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"io"
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"net/http"
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"net/http/httptest"
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"strings"
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@@ -73,3 +74,59 @@ func TestAPIInterneLaisseLeResteAuMux(t *testing.T) {
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t.Fatalf("relais au mux : %q", w.Body.String())
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}
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}
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func appelStore(t *testing.T, method, path string, body string) *httptest.ResponseRecorder {
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t.Helper()
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var rd io.Reader
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if body != "" {
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rd = strings.NewReader(body)
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}
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r := httptest.NewRequest(method, path, rd)
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r.Header.Set(internalTokenHeader, jetonTest)
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w := httptest.NewRecorder()
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withInternalAPI(http.NotFoundHandler()).ServeHTTP(w, r)
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return w
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}
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func TestAPIInterneStore(t *testing.T) {
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testHome(t)
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t.Setenv(internalTokenEnv, jetonTest)
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if w := appelStore(t, "GET", "/internal/v1/store?bucket=state&key=absente", ""); w.Code != 404 {
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t.Fatalf("clé absente : %d", w.Code)
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}
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if w := appelStore(t, "PUT", "/internal/v1/store?bucket=state&key=k", "valeur\x00binaire"); w.Code != 204 {
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t.Fatalf("put : %d %s", w.Code, w.Body.String())
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}
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if got := getStr(bkState, "k"); got != "valeur\x00binaire" {
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t.Fatalf("écrit : %q", got)
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}
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w := appelStore(t, "GET", "/internal/v1/store?bucket=state&key=k", "")
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if w.Code != 200 || w.Body.String() != "valeur\x00binaire" {
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t.Fatalf("get : %d %q", w.Code, w.Body.String())
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}
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if err := putStr(bkConfig, "PORT", "8081"); err != nil {
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t.Fatal(err)
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}
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w = appelStore(t, "GET", "/internal/v1/store/all?bucket=config", "")
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var m map[string]string
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if err := json.Unmarshal(w.Body.Bytes(), &m); err != nil || m["PORT"] != "8081" {
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t.Fatalf("all : %d %s", w.Code, w.Body.String())
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}
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// Écriture via l'API = écriture locale : le cache de config est à jour.
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_ = ReadConfig()
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if w := appelStore(t, "PUT", "/internal/v1/store?bucket=config&key=PORT", "9000"); w.Code != 204 {
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t.Fatalf("put config : %d", w.Code)
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}
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if LLMPort() != 9000 {
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t.Fatalf("cache non invalidé : port %d", LLMPort())
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}
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if w := appelStore(t, "DELETE", "/internal/v1/store?bucket=state&key=k", ""); w.Code != 204 {
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t.Fatalf("delete : %d", w.Code)
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}
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if getStr(bkState, "k") != "" {
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t.Fatal("clé non supprimée")
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}
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if w := appelStore(t, "GET", "/internal/v1/store?bucket=state", ""); w.Code != 400 {
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t.Fatalf("sans clé : %d", w.Code)
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}
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}
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@@ -0,0 +1,73 @@
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//! Routes `/api/*` servies par Rust. Toute route listée dans [`handles`] est
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//! traitée ici ; les autres partent au Go.
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//!
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//! Chaque route de pilotage passe par [`Ctx::guard`], port de
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//! `requireWebAuth` (clé relue à chaque requête, fermeture sur erreur).
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use bytes::Bytes;
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use hyper::body::Incoming;
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use hyper::header::HeaderMap;
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use hyper::{Method, Request, Response, StatusCode};
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use serde_json::json;
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use crate::auth::{self, HostEnv, InternalClient};
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use crate::engine;
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use crate::proxy::Body;
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use crate::store::Store;
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/// Ce dont les routes ont besoin, partagé par toutes les connexions.
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pub struct Ctx {
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pub store: Store,
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pub internal: InternalClient,
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pub host_env: HostEnv,
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/// `$LOKI_HOME` et nom du service moteur (fichiers PID / journal).
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pub engine: engine::Paths,
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}
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impl Ctx {
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/// `Ok` = requête autorisée (avec la version du Go, pour `/api/ping`) ;
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/// sinon la réponse de refus.
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pub async fn guard(&self, headers: &HeaderMap) -> Result<String, Box<Response<Body>>> {
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let info = self.internal.auth().await;
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if let Some(refus) = auth::authorize(headers, &info, &self.host_env) {
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return Err(Box::new(refus));
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}
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Ok(info.map(|i| i.version).unwrap_or_default())
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}
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}
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/// Cette route est-elle servie par Rust ?
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pub fn handles(_method: &Method, path: &str) -> bool {
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matches!(path, "/api/ping")
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}
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pub async fn serve(ctx: &Ctx, req: Request<Incoming>) -> Response<Body> {
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let (parts, _body) = req.into_parts();
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let version = match ctx.guard(&parts.headers).await {
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Ok(v) => v,
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Err(refus) => return *refus,
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};
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match parts.uri.path() {
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// Vérifie la connectivité ET la clé (200 = bonne clé, 401 = mauvaise).
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"/api/ping" => auth::json(
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StatusCode::OK,
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&json!({ "ok": true, "service": "loki", "version": version }),
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),
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_ => not_found(),
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}
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}
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fn not_found() -> Response<Body> {
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auth::json(StatusCode::NOT_FOUND, &json!({ "error": "route inconnue" }))
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}
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/// Lecture bornée du corps d'une requête (routes POST portées).
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#[allow(dead_code)]
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pub async fn read_body(body: Incoming, max: usize) -> Result<Bytes, String> {
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use http_body_util::{BodyExt, Limited};
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Limited::new(body, max)
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.collect()
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.await
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.map(|c| c.to_bytes())
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.map_err(|e| e.to_string())
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}
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@@ -0,0 +1 @@
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//! Lot 4 : module en cours de portage.
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@@ -0,0 +1 @@
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//! Lot 4 : module en cours de portage.
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@@ -7,9 +7,16 @@
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//! - `auth` : authentification de l'API de pilotage (lot 2) ;
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//! - `update` : mise à jour des binaires au démarrage du conteneur.
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pub mod api;
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pub mod auth;
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pub mod child;
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pub mod engine;
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pub mod engstatus;
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pub mod gguf;
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pub mod paths;
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pub mod presets;
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pub mod proxy;
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pub mod store;
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pub mod sysinfo;
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pub mod ui;
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pub mod update;
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@@ -135,6 +135,7 @@ fn serve() -> ExitCode {
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backend,
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internal_token: token,
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host_env: auth::HostEnv::from_env(),
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engine: engine::Paths::from_env(),
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};
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let res = proxy::serve(listener, cfg, shutdown_signal()).await;
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eprintln!("[loki-rs] arrêt demandé — arrêt du serveur Go");
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@@ -0,0 +1 @@
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//! Lot 4 : module en cours de portage.
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@@ -0,0 +1 @@
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//! Lot 4 : module en cours de portage.
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+16
-22
@@ -1,5 +1,5 @@
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//! Façade HTTP : reçoit tout le trafic public. Les routes déjà réécrites en
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//! Rust sont servies ici (lot 2 : UI statique, `/api/ping`) ; tout le reste
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//! Rust sont servies ici (UI statique, routes de `api.rs`) ; tout le reste
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//! est relayé au serveur Go (`loki web` sur 127.0.0.1).
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//!
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//! Règles, héritées de `web_server.go` :
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@@ -27,7 +27,10 @@ use std::sync::Arc;
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use std::time::Duration;
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use tokio::net::TcpListener;
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use crate::auth::{self, HostEnv, INTERNAL_HEADER, InternalClient};
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use crate::api;
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use crate::auth::{HostEnv, INTERNAL_HEADER, InternalClient};
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use crate::engine;
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use crate::store::Store;
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use crate::ui;
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pub type Body = BoxBody<Bytes, hyper::Error>;
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@@ -53,13 +56,14 @@ pub struct Config {
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/// Jeton de l'API interne du Go (`LOKI_INTERNAL_TOKEN`).
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pub internal_token: String,
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pub host_env: HostEnv,
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/// `$LOKI_HOME` et service moteur, pour les routes portées.
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pub engine: engine::Paths,
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}
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struct Proxy {
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client: Client<HttpConnector, Incoming>,
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backend: SocketAddr,
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internal: InternalClient,
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host_env: HostEnv,
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ctx: api::Ctx,
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}
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/// Sert la façade sur `listener` jusqu'à ce que `shutdown` se termine.
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@@ -72,8 +76,12 @@ pub async fn serve(
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let proxy = Arc::new(Proxy {
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client,
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backend: cfg.backend,
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internal: InternalClient::new(cfg.backend, cfg.internal_token),
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host_env: cfg.host_env,
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ctx: api::Ctx {
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store: Store::new(cfg.backend, cfg.internal_token.clone()),
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internal: InternalClient::new(cfg.backend, cfg.internal_token),
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host_env: cfg.host_env,
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engine: cfg.engine,
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},
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});
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tokio::pin!(shutdown);
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loop {
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@@ -123,26 +131,12 @@ impl Proxy {
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if let Some(resp) = ui::serve(req.method(), path, req.headers()) {
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return resp;
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}
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if path == "/api/ping" {
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return self.ping(req.headers()).await;
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if api::handles(req.method(), path) {
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return api::serve(&self.ctx, req).await;
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}
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self.forward(req).await
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}
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/// `/api/ping` : vérifie la connectivité ET la clé (200 = bonne clé,
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/// 401 = mauvaise clé), comme `handlePing`.
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async fn ping(&self, headers: &HeaderMap) -> Response<Body> {
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let info = self.internal.auth().await;
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if let Some(refus) = auth::authorize(headers, &info, &self.host_env) {
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return refus;
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}
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let version = info.map(|i| i.version).unwrap_or_default();
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auth::json(
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StatusCode::OK,
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&serde_json::json!({ "ok": true, "service": "loki", "version": version }),
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)
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}
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/// Relais vers le Go (HTTP, SSE, WebSocket).
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async fn forward(&self, mut req: Request<Incoming>) -> Response<Body> {
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let upgrade = upgrade_protocol(req.headers());
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@@ -0,0 +1,136 @@
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//! Accès à la base de Loki À TRAVERS le Go (`/internal/v1/store`, voir
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//! `web_internal.go`). Le Go reste l'unique propriétaire du fichier bbolt
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//! jusqu'au lot qui le migrera ; ce module est l'unique point de passage
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//! côté Rust, pour que cette migration ne touche qu'ici.
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use bytes::Bytes;
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use http_body_util::{BodyExt, Full};
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use hyper::{Method, Request, StatusCode};
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use hyper_util::client::legacy::{Client, connect::HttpConnector};
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use hyper_util::rt::TokioExecutor;
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use std::collections::HashMap;
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use std::net::SocketAddr;
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use std::time::Duration;
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|
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use crate::auth::INTERNAL_HEADER;
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|
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pub const BK_CONFIG: &str = "config";
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pub const BK_PREFS: &str = "prefs";
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pub const BK_STATE: &str = "state";
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|
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#[derive(Clone)]
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pub struct Store {
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client: Client<HttpConnector, Full<Bytes>>,
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backend: SocketAddr,
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token: String,
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}
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|
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impl Store {
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pub fn new(backend: SocketAddr, token: String) -> Self {
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Store {
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client: Client::builder(TokioExecutor::new()).build_http(),
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backend,
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token,
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}
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}
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|
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async fn call(
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&self,
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method: Method,
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path: &str,
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body: Vec<u8>,
|
||||
) -> Result<(StatusCode, Bytes), String> {
|
||||
let req = Request::builder()
|
||||
.method(method)
|
||||
.uri(format!("http://{}{path}", self.backend))
|
||||
.header(INTERNAL_HEADER, &self.token)
|
||||
.body(Full::new(Bytes::from(body)))
|
||||
.map_err(|e| e.to_string())?;
|
||||
let fut = async {
|
||||
let resp = self.client.request(req).await.map_err(|e| e.to_string())?;
|
||||
let status = resp.status();
|
||||
let body = resp
|
||||
.into_body()
|
||||
.collect()
|
||||
.await
|
||||
.map_err(|e| e.to_string())?
|
||||
.to_bytes();
|
||||
Ok((status, body))
|
||||
};
|
||||
tokio::time::timeout(Duration::from_secs(10), fut)
|
||||
.await
|
||||
.map_err(|_| "store : délai dépassé".to_string())?
|
||||
}
|
||||
|
||||
/// Valeur brute ; `Ok(None)` = absente, `Err` = pas pu lire (à distinguer
|
||||
/// pour les secrets : comme `getBytesErr`).
|
||||
pub async fn get(&self, bucket: &str, key: &str) -> Result<Option<Vec<u8>>, String> {
|
||||
let path = format!("/internal/v1/store?bucket={}&key={}", enc(bucket), enc(key));
|
||||
match self.call(Method::GET, &path, Vec::new()).await? {
|
||||
(StatusCode::OK, b) => Ok(Some(b.to_vec())),
|
||||
(StatusCode::NOT_FOUND, _) => Ok(None),
|
||||
(s, b) => Err(format!("store {s} : {}", String::from_utf8_lossy(&b))),
|
||||
}
|
||||
}
|
||||
|
||||
/// Comme `getStr` du Go : erreur ou absence → "".
|
||||
pub async fn get_str(&self, bucket: &str, key: &str) -> String {
|
||||
match self.get(bucket, key).await {
|
||||
Ok(Some(v)) => String::from_utf8_lossy(&v).into_owned(),
|
||||
_ => String::new(),
|
||||
}
|
||||
}
|
||||
|
||||
pub async fn put(&self, bucket: &str, key: &str, val: Vec<u8>) -> Result<(), String> {
|
||||
let path = format!("/internal/v1/store?bucket={}&key={}", enc(bucket), enc(key));
|
||||
match self.call(Method::PUT, &path, val).await? {
|
||||
(StatusCode::NO_CONTENT, _) => Ok(()),
|
||||
(s, b) => Err(format!("store {s} : {}", String::from_utf8_lossy(&b))),
|
||||
}
|
||||
}
|
||||
|
||||
pub async fn del(&self, bucket: &str, key: &str) -> Result<(), String> {
|
||||
let path = format!("/internal/v1/store?bucket={}&key={}", enc(bucket), enc(key));
|
||||
match self.call(Method::DELETE, &path, Vec::new()).await? {
|
||||
(StatusCode::NO_CONTENT, _) => Ok(()),
|
||||
(s, b) => Err(format!("store {s} : {}", String::from_utf8_lossy(&b))),
|
||||
}
|
||||
}
|
||||
|
||||
pub async fn all(&self, bucket: &str) -> Result<HashMap<String, String>, String> {
|
||||
let path = format!("/internal/v1/store/all?bucket={}", enc(bucket));
|
||||
match self.call(Method::GET, &path, Vec::new()).await? {
|
||||
(StatusCode::OK, b) => serde_json::from_slice(&b).map_err(|e| e.to_string()),
|
||||
(s, b) => Err(format!("store {s} : {}", String::from_utf8_lossy(&b))),
|
||||
}
|
||||
}
|
||||
|
||||
/// `ReadConfig()` du Go : la configuration du moteur ; base illisible →
|
||||
/// configuration vide (comme `allKV`).
|
||||
pub async fn config(&self) -> HashMap<String, String> {
|
||||
self.all(BK_CONFIG).await.unwrap_or_default()
|
||||
}
|
||||
}
|
||||
|
||||
/// Encodage d'un paramètre de requête (RFC 3986, caractères non réservés
|
||||
/// conservés).
|
||||
pub fn enc(s: &str) -> String {
|
||||
let mut out = String::with_capacity(s.len());
|
||||
for b in s.bytes() {
|
||||
if b.is_ascii_alphanumeric() || matches!(b, b'-' | b'_' | b'.' | b'~') {
|
||||
out.push(b as char);
|
||||
} else {
|
||||
out.push_str(&format!("%{b:02X}"));
|
||||
}
|
||||
}
|
||||
out
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
#[test]
|
||||
fn encodage() {
|
||||
assert_eq!(super::enc("sysprompt:a b/é"), "sysprompt%3Aa%20b%2F%C3%A9");
|
||||
assert_eq!(super::enc("PORT"), "PORT");
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1 @@
|
||||
//! Lot 4 : module en cours de portage.
|
||||
@@ -89,6 +89,10 @@ async fn banc(cle: Option<&str>) -> Banc {
|
||||
hostname: None,
|
||||
trusted: vec!["loki.exemple.fr".into()],
|
||||
},
|
||||
engine: loki_rs::engine::Paths {
|
||||
home: std::env::temp_dir(),
|
||||
service: "loki-engine".into(),
|
||||
},
|
||||
};
|
||||
tokio::spawn(loki_rs::proxy::serve(l, cfg, async move {
|
||||
let _ = rx.await;
|
||||
|
||||
@@ -95,6 +95,10 @@ async fn facade(backend: SocketAddr) -> (SocketAddr, oneshot::Sender<()>) {
|
||||
backend,
|
||||
internal_token: "jeton-de-test".into(),
|
||||
host_env: Default::default(),
|
||||
engine: loki_rs::engine::Paths {
|
||||
home: std::env::temp_dir(),
|
||||
service: "loki-engine".into(),
|
||||
},
|
||||
};
|
||||
tokio::spawn(loki_rs::proxy::serve(l, cfg, async move {
|
||||
let _ = rx.await;
|
||||
|
||||
Reference in new issue
Block a user