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feat: introduce pool-level rebalance (#15483)

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This commit is contained in:
Krishnan Parthasarathi
2022-10-25 12:36:57 -07:00
committed by GitHub
parent ce8456a1a9
commit 4523da6543
20 changed files with 3328 additions and 137 deletions
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56
cmd/peer-rest-server.go
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@@ -1048,6 +1048,60 @@ func (s *peerRESTServer) ReloadPoolMetaHandler(w http.ResponseWriter, r *http.Re
}
}
func (s *peerRESTServer) StopRebalanceHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("invalid request"))
return
}
objAPI := newObjectLayerFn()
if objAPI == nil {
s.writeErrorResponse(w, errServerNotInitialized)
return
}
pools, ok := objAPI.(*erasureServerPools)
if !ok {
s.writeErrorResponse(w, errors.New("not a multiple pools setup"))
return
}
pools.StopRebalance()
}
func (s *peerRESTServer) LoadRebalanceMetaHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("invalid request"))
return
}
objAPI := newObjectLayerFn()
if objAPI == nil {
s.writeErrorResponse(w, errServerNotInitialized)
return
}
pools, ok := objAPI.(*erasureServerPools)
if !ok {
s.writeErrorResponse(w, errors.New("not a multiple pools setup"))
return
}
startRebalanceStr := r.Form.Get(peerRESTStartRebalance)
startRebalance, err := strconv.ParseBool(startRebalanceStr)
if err != nil {
s.writeErrorResponse(w, err)
return
}
if err := pools.loadRebalanceMeta(r.Context()); err != nil {
s.writeErrorResponse(w, err)
return
}
if startRebalance {
go pools.StartRebalance()
}
}
func (s *peerRESTServer) LoadTransitionTierConfigHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("invalid request"))
@@ -1352,5 +1406,7 @@ func registerPeerRESTHandlers(router *mux.Router) {
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodDevNull).HandlerFunc(httpTraceHdrs(server.DevNull))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodReloadSiteReplicationConfig).HandlerFunc(httpTraceHdrs(server.ReloadSiteReplicationConfigHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodReloadPoolMeta).HandlerFunc(httpTraceHdrs(server.ReloadPoolMetaHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodLoadRebalanceMeta).HandlerFunc(httpTraceHdrs(server.LoadRebalanceMetaHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodStopRebalance).HandlerFunc(httpTraceHdrs(server.StopRebalanceHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodGetLastDayTierStats).HandlerFunc(httpTraceHdrs(server.GetLastDayTierStatsHandler))
}