| 1 | package console |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "errors" |
| 6 | "log" |
| 7 | "net/http" |
| 8 | "time" |
| 9 | |
| 10 | "github.com/carlosframework/platform/internal/objstore" |
| 11 | ) |
| 12 | |
| 13 | // Provision spends the account approval on one app. Grant owns retry and |
| 14 | // repair: a grant block without provisioning must still run the walk. |
| 15 | func (s *Server) handleAPIStoreProvision(w http.ResponseWriter, r *http.Request) { |
| 16 | actor, acct, app, ok := s.apiAccountApp(w, r) |
| 17 | if !ok { |
| 18 | return |
| 19 | } |
| 20 | if s.refuseTemporary(w, acct, app, "give it object storage") { |
| 21 | return |
| 22 | } |
| 23 | if s.cfg.Releases == nil { |
| 24 | storeNoBucket(w) |
| 25 | return |
| 26 | } |
| 27 | preCtx, preCancel := context.WithTimeout(r.Context(), storeTimeout) |
| 28 | defer preCancel() |
| 29 | if _, ok := s.storeProvisionApproval(preCtx, w, acct); !ok { |
| 30 | return |
| 31 | } |
| 32 | p, _ := principalFrom(r.Context()) |
| 33 | if !s.storeWalkGates(w, p) { |
| 34 | return |
| 35 | } |
| 36 | pub, ok := s.storeSealKey(w) |
| 37 | if !ok { |
| 38 | return |
| 39 | } |
| 40 | var req struct{} |
| 41 | if !readJSON(w, r, &req) { |
| 42 | return |
| 43 | } |
| 44 | env, ok := s.storeEnvParam(w, r) |
| 45 | if !ok { |
| 46 | return |
| 47 | } |
| 48 | defer s.storeWalks.lock(acct.Sqid, app, env)() |
| 49 | // The walk's deadline starts HERE rather than at the top of the handler. |
| 50 | // This is the door that queues in ordinary use, and a request that waited |
| 51 | // out a full-length walk ahead of it would otherwise reach the lock |
| 52 | // holding a spent context and fail its first Get for no reason at all. |
| 53 | ctx, cancel := context.WithTimeout(r.Context(), storeGrantTimeout) |
| 54 | defer cancel() |
| 55 | // A queued request may have waited while an operator revoked approval. |
| 56 | // An already-running walk completes; decline does not tear down estate. |
| 57 | e, ok := s.storeProvisionApproval(ctx, w, acct) |
| 58 | if !ok { |
| 59 | return |
| 60 | } |
| 61 | rec, err := claimAppCall(s, ctx, acct, app, "store-provision", func(ctx context.Context) (*objstore.Record, error) { |
| 62 | return objstore.GrantIn(ctx, s.cfg.Releases, s.cfg.StoreProvisioner, s.cfg.StoreDeployment, |
| 63 | pub, acct.Sqid, app, env, e.Decision.By, objstore.GrantSourceAccountApproval, "", time.Now()) |
| 64 | }) |
| 65 | switch { |
| 66 | case errors.Is(err, objstore.ErrNotDeclared): |
| 67 | jsonError(w, http.StatusConflict, "no store is declared for this app. run `carlos store create` first") |
| 68 | return |
| 69 | case errors.Is(err, objstore.ErrStoreNameTaken): |
| 70 | log.Printf("console: api store provision %s/%s: %v", acct.Sqid, app, err) |
| 71 | jsonError(w, http.StatusConflict, storeNameTakenMsg) |
| 72 | return |
| 73 | case err != nil: |
| 74 | log.Printf("console: api store provision %s/%s: %v", acct.Sqid, app, err) |
| 75 | jsonError(w, http.StatusBadGateway, "could not provision the store. re-run `carlos store create` to resume; after destroying a store, its bucket name may take time to become available again") |
| 76 | return |
| 77 | } |
| 78 | s.audit(acct, app, actor, "store-provision", "provisioned a store in bucket "+storeBucketName(rec)+storeEnvSuffix(env)+" (cli)") |
| 79 | s.bumpSerial(ctx) |
| 80 | s.storeWalkReply(ctx, w, acct, app, env, rec) |
| 81 | } |
| 82 | |
| 83 | func (s *Server) storeProvisionApproval(ctx context.Context, w http.ResponseWriter, acct *Account) (*objstore.Entitlement, bool) { |
| 84 | e, _, err := objstore.GetEntitlement(ctx, s.cfg.Releases, acct.Sqid) |
| 85 | if err != nil { |
| 86 | log.Printf("console: api store provision %s: read entitlement: %v", acct.Sqid, err) |
| 87 | jsonError(w, http.StatusBadGateway, "could not read the storage application. try again") |
| 88 | return nil, false |
| 89 | } |
| 90 | if !e.Approved() { |
| 91 | jsonError(w, http.StatusForbidden, "this account is not approved for object storage. run `carlos store apply` to ask for it") |
| 92 | return nil, false |
| 93 | } |
| 94 | return e, true |
| 95 | } |
| 96 | |
amadan