Add admin api to return sys config info (#12988)

The intention is to list values of sys config that can potentially
impact the performance of minio.

At present, it will return max value configured for rlimit

Signed-off-by: Shireesh Anjal <shireesh@minio.io>

Co-authored-by: Harshavardhana <harsha@minio.io>
This commit is contained in:
Shireesh Anjal 2021-08-25 05:39:37 +05:30 committed by GitHub
parent fecb1b0489
commit ce05e67a0c
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 81 additions and 7 deletions

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@ -1567,6 +1567,22 @@ func (a adminAPIHandlers) HealthInfoHandler(w http.ResponseWriter, r *http.Reque
}
}
getAndWriteSysConfig := func() {
if query.Get(string(madmin.HealthDataTypeSysConfig)) == "true" {
localSysConfig := madmin.GetSysConfig(deadlinedCtx, globalLocalNodeName)
anonymizeAddr(&localSysConfig)
healthInfo.Sys.SysConfig = append(healthInfo.Sys.SysConfig, localSysConfig)
partialWrite(healthInfo)
peerSysConfig := globalNotificationSys.GetSysConfig(deadlinedCtx)
for _, sc := range peerSysConfig {
anonymizeAddr(&sc)
healthInfo.Sys.SysConfig = append(healthInfo.Sys.SysConfig, sc)
}
partialWrite(healthInfo)
}
}
getAndWriteSysServices := func() {
if query.Get(string(madmin.HealthDataTypeSysServices)) == "true" {
localSysServices := madmin.GetSysServices(deadlinedCtx, globalLocalNodeName)
@ -1575,9 +1591,9 @@ func (a adminAPIHandlers) HealthInfoHandler(w http.ResponseWriter, r *http.Reque
partialWrite(healthInfo)
peerSysServices := globalNotificationSys.GetSysServices(deadlinedCtx)
for _, sli := range peerSysServices {
anonymizeAddr(&sli)
healthInfo.Sys.SysServices = append(healthInfo.Sys.SysServices, sli)
for _, ss := range peerSysServices {
anonymizeAddr(&ss)
healthInfo.Sys.SysServices = append(healthInfo.Sys.SysServices, ss)
}
partialWrite(healthInfo)
}
@ -1758,6 +1774,7 @@ func (a adminAPIHandlers) HealthInfoHandler(w http.ResponseWriter, r *http.Reque
getAndWriteNetPerfInfo()
getAndWriteSysErrors()
getAndWriteSysServices()
getAndWriteSysConfig()
if query.Get("minioinfo") == "true" {
infoMessage := getServerInfo(ctx, r)

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@ -1051,6 +1051,32 @@ func (sys *NotificationSys) GetOSInfo(ctx context.Context) []madmin.OSInfo {
return reply
}
// GetSysConfig - Get information about system config
// (only the config that are of concern to minio)
func (sys *NotificationSys) GetSysConfig(ctx context.Context) []madmin.SysConfig {
reply := make([]madmin.SysConfig, len(sys.peerClients))
g := errgroup.WithNErrs(len(sys.peerClients))
for index, client := range sys.peerClients {
if client == nil {
continue
}
index := index
g.Go(func() error {
var err error
reply[index], err = sys.peerClients[index].GetSysConfig(ctx)
return err
}, index)
}
for index, err := range g.Wait() {
if err != nil {
sys.addNodeErr(&reply[index], sys.peerClients[index], err)
}
}
return reply
}
// GetSysServices - Get information about system services
// (only the services that are of concern to minio)
func (sys *NotificationSys) GetSysServices(ctx context.Context) []madmin.SysServices {

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@ -411,7 +411,18 @@ func (client *peerRESTClient) GetSELinuxInfo(ctx context.Context) (info madmin.S
return info, err
}
// GetSysErrors - fetch memory information for a remote node.
// GetSysConfig - fetch sys config for a remote node.
func (client *peerRESTClient) GetSysConfig(ctx context.Context) (info madmin.SysConfig, err error) {
respBody, err := client.callWithContext(ctx, peerRESTMethodSysConfig, nil, nil, -1)
if err != nil {
return
}
defer http.DrainBody(respBody)
err = gob.NewDecoder(respBody).Decode(&info)
return info, err
}
// GetSysErrors - fetch sys errors for a remote node.
func (client *peerRESTClient) GetSysErrors(ctx context.Context) (info madmin.SysErrors, err error) {
respBody, err := client.callWithContext(ctx, peerRESTMethodSysErrors, nil, nil, -1)
if err != nil {

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@ -36,6 +36,7 @@ const (
peerRESTMethodProcInfo = "/procinfo"
peerRESTMethodSysErrors = "/syserrors"
peerRESTMethodSysServices = "/sysservices"
peerRESTMethodSysConfig = "/sysconfig"
peerRESTMethodDispatchNetInfo = "/dispatchnetinfo"
peerRESTMethodDeleteBucketMetadata = "/deletebucketmetadata"
peerRESTMethodLoadBucketMetadata = "/loadbucketmetadata"

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@ -510,6 +510,24 @@ func (s *peerRESTServer) GetMemInfoHandler(w http.ResponseWriter, r *http.Reques
logger.LogIf(ctx, gob.NewEncoder(w).Encode(info))
}
// GetSysConfigHandler - returns system config information.
// (only the config that are of concern to minio)
func (s *peerRESTServer) GetSysConfigHandler(w http.ResponseWriter, r *http.Request) {
if !s.IsValid(w, r) {
fmt.Println("Invalid request")
s.writeErrorResponse(w, errors.New("Invalid request"))
return
}
ctx, cancel := context.WithCancel(r.Context())
defer cancel()
info := madmin.GetSysConfig(ctx, r.Host)
defer w.(http.Flusher).Flush()
logger.LogIf(ctx, gob.NewEncoder(w).Encode(info))
}
// GetSysServicesHandler - returns system services information.
// (only the services that are of concern to minio)
func (s *peerRESTServer) GetSysServicesHandler(w http.ResponseWriter, r *http.Request) {
@ -1320,6 +1338,7 @@ func registerPeerRESTHandlers(router *mux.Router) {
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodMemInfo).HandlerFunc(httpTraceHdrs(server.GetMemInfoHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodSysErrors).HandlerFunc(httpTraceHdrs(server.GetSysErrorsHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodSysServices).HandlerFunc(httpTraceHdrs(server.GetSysServicesHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodSysConfig).HandlerFunc(httpTraceHdrs(server.GetSysConfigHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodOsInfo).HandlerFunc(httpTraceHdrs(server.GetOSInfoHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodDiskHwInfo).HandlerFunc(httpTraceHdrs(server.GetPartitionsHandler))
subrouter.Methods(http.MethodPost).Path(peerRESTVersionPrefix + peerRESTMethodCPUInfo).HandlerFunc(httpTraceHdrs(server.GetCPUsHandler))

2
go.mod
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@ -45,7 +45,7 @@ require (
github.com/minio/csvparser v1.0.0
github.com/minio/highwayhash v1.0.2
github.com/minio/kes v0.14.0
github.com/minio/madmin-go v1.0.21-0.20210820144629-f47e578ef886
github.com/minio/madmin-go v1.1.0
github.com/minio/minio-go/v7 v7.0.13-0.20210823191913-cee488b95ff2
github.com/minio/parquet-go v1.0.0
github.com/minio/pkg v1.0.11

4
go.sum
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@ -1025,8 +1025,8 @@ github.com/minio/kes v0.14.0 h1:plCGm4LwR++T1P1sXsJbyFRX54CE1WRuo9PAPj6MC3Q=
github.com/minio/kes v0.14.0/go.mod h1:OUensXz2BpgMfiogslKxv7Anyx/wj+6bFC6qA7BQcfA=
github.com/minio/madmin-go v1.0.12/go.mod h1:BK+z4XRx7Y1v8SFWXsuLNqQqnq5BO/axJ8IDJfgyvfs=
github.com/minio/madmin-go v1.0.17/go.mod h1:4nl9hvLWFnwCjkLfZSsZXEHgDODa2XSG6xGlIZyQ2oA=
github.com/minio/madmin-go v1.0.21-0.20210820144629-f47e578ef886 h1:sZ22LseOBW5OQIih+fi0v+JBDU4RiaqLbEM3t3JF80I=
github.com/minio/madmin-go v1.0.21-0.20210820144629-f47e578ef886/go.mod h1:4nl9hvLWFnwCjkLfZSsZXEHgDODa2XSG6xGlIZyQ2oA=
github.com/minio/madmin-go v1.1.0 h1:Y7YOPQafIVBpW0kwYzlt7FGi0GV23dlr/u3jRRrB4cw=
github.com/minio/madmin-go v1.1.0/go.mod h1:4nl9hvLWFnwCjkLfZSsZXEHgDODa2XSG6xGlIZyQ2oA=
github.com/minio/mc v0.0.0-20210626002108-cebf3318546f h1:hyFvo5hSFw2K417YvDr/vAKlgCG69uTuhZW/5LNdL0U=
github.com/minio/mc v0.0.0-20210626002108-cebf3318546f/go.mod h1:tuaonkPjVApCXkbtKENHBtsqUf7YTV33qmFrC+Pgp5g=
github.com/minio/md5-simd v1.1.0/go.mod h1:XpBqgZULrMYD3R+M28PcmP0CkI7PEMzB3U77ZrKZ0Gw=