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Add a custom healthcheck function for online status (#9858)

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- Add changes to ensure remote disks are not
  incorrectly taken online if their order has
  changed or are incorrect disks.
- Bring changes to peer to detect disconnection
  with separate Health handler, to avoid a
  rather expensive call GetLocakDiskIDs()
- Follow up on the same changes for Lockers
  as well
This commit is contained in:
Harshavardhana
2020-06-17 14:49:26 -07:00
committed by GitHub
parent 16d7b90adf
commit 7ed1077879
11 changed files with 87 additions and 22 deletions
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6
cmd/lock-rest-server.go
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@@ -78,6 +78,11 @@ func getLockArgs(r *http.Request) (args dsync.LockArgs, err error) {
return args, nil
}
// HealthHandler returns success if request is authenticated.
func (l *lockRESTServer) HealthHandler(w http.ResponseWriter, r *http.Request) {
l.IsValid(w, r)
}
// LockHandler - Acquires a lock.
func (l *lockRESTServer) LockHandler(w http.ResponseWriter, r *http.Request) {
if !l.IsValid(w, r) {
@@ -345,6 +350,7 @@ func registerLockRESTHandlers(router *mux.Router, endpointZones EndpointZones) {
}
subrouter := router.PathPrefix(path.Join(lockRESTPrefix, endpoint.Path)).Subrouter()
subrouter.Methods(http.MethodPost).Path(lockRESTVersionPrefix + lockRESTMethodHealth).HandlerFunc(httpTraceHdrs(lockServer.HealthHandler)).Queries(queries...)
subrouter.Methods(http.MethodPost).Path(lockRESTVersionPrefix + lockRESTMethodLock).HandlerFunc(httpTraceHdrs(lockServer.LockHandler)).Queries(queries...)
subrouter.Methods(http.MethodPost).Path(lockRESTVersionPrefix + lockRESTMethodRLock).HandlerFunc(httpTraceHdrs(lockServer.RLockHandler)).Queries(queries...)
subrouter.Methods(http.MethodPost).Path(lockRESTVersionPrefix + lockRESTMethodUnlock).HandlerFunc(httpTraceHdrs(lockServer.UnlockHandler)).Queries(queries...)