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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/peer-rest-server.go
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@@ -729,6 +729,11 @@ func getLocalDiskIDs(z *erasureZones) []string {
return ids
}
// HealthHandler - returns true of health
func (s *peerRESTServer) HealthHandler(w http.ResponseWriter, r *http.Request) {
s.IsValid(w, r)
}
// GetLocalDiskIDs - Return disk IDs of all the local disks.
func (s *peerRESTServer) GetLocalDiskIDs(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
@@ -1020,6 +1025,7 @@ func (s *peerRESTServer) IsValid(w http.ResponseWriter, r *http.Request) bool {
func registerPeerRESTHandlers(router *mux.Router) {
server := &peerRESTServer{}
subrouter := router.PathPrefix(peerRESTPrefix).Subrouter()
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodHealth).HandlerFunc(httpTraceHdrs(server.HealthHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodGetLocks).HandlerFunc(httpTraceHdrs(server.GetLocksHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodServerInfo).HandlerFunc(httpTraceHdrs(server.ServerInfoHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodProcOBDInfo).HandlerFunc(httpTraceHdrs(server.ProcOBDInfoHandler))