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Implement oboard diagnostics admin API (#9024)

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- Implement a graph algorithm to test network bandwidth from every 
  node to every other node
- Saturate any network bandwidth adaptively, accounting for slow 
  and fast network capacity
- Implement parallel drive OBD tests
- Implement a paging mechanism for OBD test to provide periodic updates to client
- Implement Sys, Process, Host, Mem OBD Infos
This commit is contained in:
Sidhartha Mani
2020-03-26 21:07:39 -07:00
committed by GitHub
parent 2777956581
commit 0c80bf45d0
21 changed files with 2153 additions and 7 deletions
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160
cmd/peer-rest-server.go
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@@ -36,6 +36,7 @@ import (
objectlock "github.com/minio/minio/pkg/bucket/object/lock"
"github.com/minio/minio/pkg/bucket/policy"
"github.com/minio/minio/pkg/event"
"github.com/minio/minio/pkg/madmin"
trace "github.com/minio/minio/pkg/trace"
)
@@ -509,6 +510,157 @@ func (s *peerRESTServer) ServerInfoHandler(w http.ResponseWriter, r *http.Reques
logger.LogIf(ctx, gob.NewEncoder(w).Encode(info))
}
func (s *peerRESTServer) NetOBDInfoHandler(w http.ResponseWriter, r *http.Request) {
ctx := newContext(r, w, "NetOBDInfo")
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
// Use this trailer to send additional headers after sending body
w.Header().Set("Trailer", "FinalStatus")
w.Header().Set("Content-Type", "application/octet-stream")
w.WriteHeader(http.StatusOK)
n, err := io.Copy(ioutil.Discard, r.Body)
if err == io.ErrUnexpectedEOF {
w.Header().Set("FinalStatus", err.Error())
return
}
if err != nil && err != io.EOF {
logger.LogIf(ctx, err)
w.Header().Set("FinalStatus", err.Error())
return
}
if n != r.ContentLength {
err := fmt.Errorf("OBD: short read: expected %d found %d", r.ContentLength, n)
logger.LogIf(ctx, err)
w.Header().Set("FinalStatus", err.Error())
return
}
w.Header().Set("FinalStatus", "Success")
w.(http.Flusher).Flush()
}
func (s *peerRESTServer) DispatchNetOBDInfoHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
ctx := newContext(r, w, "DispatchNetOBDInfo")
info := globalNotificationSys.NetOBDInfo(ctx)
logger.LogIf(ctx, gob.NewEncoder(w).Encode(info))
w.(http.Flusher).Flush()
}
// DriveOBDInfoHandler - returns Drive OBD info.
func (s *peerRESTServer) DriveOBDInfoHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
ctx, cancel := context.WithCancel(newContext(r, w, "DriveOBDInfo"))
defer cancel()
infoSerial := getLocalDrivesOBD(ctx, false, globalEndpoints, r)
infoParallel := getLocalDrivesOBD(ctx, true, globalEndpoints, r)
errStr := ""
if infoSerial.Error != "" {
errStr = "serial: " + infoSerial.Error
}
if infoParallel.Error != "" {
errStr = errStr + " parallel: " + infoParallel.Error
}
info := madmin.ServerDrivesOBDInfo{
Addr: infoSerial.Addr,
Serial: infoSerial.Serial,
Parallel: infoParallel.Parallel,
Error: errStr,
}
defer w.(http.Flusher).Flush()
logger.LogIf(ctx, gob.NewEncoder(w).Encode(info))
}
// CPUOBDInfoHandler - returns CPU OBD info.
func (s *peerRESTServer) CPUOBDInfoHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
ctx, cancel := context.WithCancel(newContext(r, w, "CpuOBDInfo"))
defer cancel()
info := getLocalCPUOBDInfo(ctx)
defer w.(http.Flusher).Flush()
logger.LogIf(ctx, gob.NewEncoder(w).Encode(info))
}
// DiskHwOBDInfoHandler - returns Disk HW OBD info.
func (s *peerRESTServer) DiskHwOBDInfoHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
ctx, cancel := context.WithCancel(newContext(r, w, "DiskHwOBDInfo"))
defer cancel()
info := getLocalDiskHwOBD(ctx)
defer w.(http.Flusher).Flush()
logger.LogIf(ctx, gob.NewEncoder(w).Encode(info))
}
// OsOBDInfoHandler - returns Os OBD info.
func (s *peerRESTServer) OsOBDInfoHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
ctx, cancel := context.WithCancel(newContext(r, w, "OsOBDInfo"))
defer cancel()
info := getLocalOsInfoOBD(ctx)
defer w.(http.Flusher).Flush()
logger.LogIf(ctx, gob.NewEncoder(w).Encode(info))
}
// ProcOBDInfoHandler - returns Proc OBD info.
func (s *peerRESTServer) ProcOBDInfoHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
ctx, cancel := context.WithCancel(newContext(r, w, "ProcOBDInfo"))
defer cancel()
info := getLocalProcOBD(ctx)
defer w.(http.Flusher).Flush()
logger.LogIf(ctx, gob.NewEncoder(w).Encode(info))
}
// MemOBDInfoHandler - returns Mem OBD info.
func (s *peerRESTServer) MemOBDInfoHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
ctx, cancel := context.WithCancel(newContext(r, w, "MemOBDInfo"))
defer cancel()
info := getLocalMemOBD(ctx)
defer w.(http.Flusher).Flush()
logger.LogIf(ctx, gob.NewEncoder(w).Encode(info))
}
// DrivePerfInfoHandler - returns Drive Performance info.
func (s *peerRESTServer) DrivePerfInfoHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
@@ -1184,6 +1336,14 @@ func registerPeerRESTHandlers(router *mux.Router) {
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodServerInfo).HandlerFunc(httpTraceHdrs(server.ServerInfoHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodCPULoadInfo).HandlerFunc(httpTraceHdrs(server.CPULoadInfoHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodMemUsageInfo).HandlerFunc(httpTraceHdrs(server.MemUsageInfoHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodProcOBDInfo).HandlerFunc(httpTraceHdrs(server.ProcOBDInfoHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodMemOBDInfo).HandlerFunc(httpTraceHdrs(server.MemOBDInfoHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodOsInfoOBDInfo).HandlerFunc(httpTraceHdrs(server.OsOBDInfoHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodDiskHwOBDInfo).HandlerFunc(httpTraceHdrs(server.DiskHwOBDInfoHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodCPUOBDInfo).HandlerFunc(httpTraceHdrs(server.CPUOBDInfoHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodDriveOBDInfo).HandlerFunc(httpTraceHdrs(server.DriveOBDInfoHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodNetOBDInfo).HandlerFunc(httpTraceHdrs(server.NetOBDInfoHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodDispatchNetOBDInfo).HandlerFunc(httpTraceHdrs(server.DispatchNetOBDInfoHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodDrivePerfInfo).HandlerFunc(httpTraceHdrs(server.DrivePerfInfoHandler)).Queries(restQueries(peerRESTDrivePerfSize)...)
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodHardwareCPUInfo).HandlerFunc(httpTraceHdrs(server.CPUInfoHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodHardwareNetworkInfo).HandlerFunc(httpTraceHdrs(server.NetworkInfoHandler))