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admin: add KMS status API (#12429)

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This commit adds an admin API for fetching
the KMS status information (default key ID, endpoints, ...).

With this commit the server exposes REST endpoint:
```
GET <admin-api>/kms/status
```

Signed-off-by: Andreas Auernhammer <hi@aead.dev>
This commit is contained in:
Andreas Auernhammer 2021-06-12 00:04:26 +02:00 committed by GitHub
parent f982303b4b
commit a43f2097ff
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2 changed files with 39 additions and 0 deletions
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38
cmd/admin-handlers.go
View file

@ -1289,6 +1289,44 @@ func (a adminAPIHandlers) KMSCreateKeyHandler(w http.ResponseWriter, r *http.Req
writeSuccessResponseHeadersOnly(w)
}
// KMSKeyStatusHandler - GET /minio/admin/v3/kms/status
func (a adminAPIHandlers) KMSStatusHandler(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "KMSStatus")
defer logger.AuditLog(ctx, w, r, mustGetClaimsFromToken(r))
objectAPI, _ := validateAdminReq(ctx, w, r, iampolicy.KMSKeyStatusAdminAction)
if objectAPI == nil {
return
}
if GlobalKMS == nil {
writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrKMSNotConfigured), r.URL)
return
}
stat, err := GlobalKMS.Stat()
if err != nil {
writeCustomErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrInternalError), err.Error(), r.URL)
return
}
status := madmin.KMSStatus{
Name: stat.Name,
DefaultKeyID: stat.DefaultKey,
Endpoints: make(map[string]madmin.ItemState, len(stat.Endpoints)),
}
for _, endpoint := range stat.Endpoints {
status.Endpoints[endpoint] = madmin.ItemOnline // TODO(aead): Implement an online check for mTLS
}
resp, err := json.Marshal(status)
if err != nil {
writeCustomErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrInternalError), err.Error(), r.URL)
return
}
writeSuccessResponseJSON(w, resp)
}
// KMSKeyStatusHandler - GET /minio/admin/v3/kms/key/status?key-id=<master-key-id>
func (a adminAPIHandlers) KMSKeyStatusHandler(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "KMSKeyStatus")

1
cmd/admin-router.go
View file

@ -201,6 +201,7 @@ func registerAdminRouter(router *mux.Router, enableConfigOps, enableIAMOps bool)
// -- KMS APIs --
//
adminRouter.Methods(http.MethodPost).Path(adminVersion + "/kms/status").HandlerFunc(httpTraceAll(adminAPI.KMSStatusHandler))
adminRouter.Methods(http.MethodPost).Path(adminVersion+"/kms/key/create").HandlerFunc(httpTraceAll(adminAPI.KMSCreateKeyHandler)).Queries("key-id", "{key-id:.*}")
adminRouter.Methods(http.MethodGet).Path(adminVersion + "/kms/key/status").HandlerFunc(httpTraceAll(adminAPI.KMSKeyStatusHandler))