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prom: Add online and healing drives metrics per erasure set (#18700)

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This commit is contained in:
Anis Eleuch 2023-12-21 16:56:43 -08:00 committed by GitHub
parent 7c948adf88
commit 8432fd5ac2
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GPG Key ID: 4AEE18F83AFDEB23
18 changed files with 115 additions and 79 deletions
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6
cmd/admin-handlers.go
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@ -340,7 +340,7 @@ func (a adminAPIHandlers) StorageInfoHandler(w http.ResponseWriter, r *http.Requ
return
}
storageInfo := objectAPI.StorageInfo(ctx)
storageInfo := objectAPI.StorageInfo(ctx, true)
// Collect any disk healing.
healing, _ := getAggregatedBackgroundHealState(ctx, nil)
@ -1313,7 +1313,7 @@ func (a adminAPIHandlers) ObjectSpeedTestHandler(w http.ResponseWriter, r *http.
duration = time.Second * 10
}
storageInfo := objectAPI.StorageInfo(ctx)
storageInfo := objectAPI.StorageInfo(ctx, true)
sufficientCapacity, canAutotune, capacityErrMsg := validateObjPerfOptions(ctx, storageInfo, concurrent, size, autotune)
if !sufficientCapacity {
@ -2726,7 +2726,7 @@ func getClusterMetaInfo(ctx context.Context) []byte {
ci.Info.NoOfServers = len(globalEndpoints.Hostnames())
ci.Info.MinioVersion = Version
si := objectAPI.StorageInfo(ctx)
si := objectAPI.StorageInfo(ctx, true)
ci.Info.NoOfDrives = len(si.Disks)
for _, disk := range si.Disks {

2
cmd/admin-server-info.go
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@ -141,7 +141,7 @@ func getLocalServerProperty(endpointServerPools EndpointServerPools, r *http.Req
objLayer := newObjectLayerFn()
if objLayer != nil {
storageInfo := objLayer.LocalStorageInfo(GlobalContext)
storageInfo := objLayer.LocalStorageInfo(GlobalContext, true)
props.State = string(madmin.ItemOnline)
props.Disks = storageInfo.Disks
} else {

2
cmd/erasure-server-pool-rebalance.go
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@ -129,7 +129,7 @@ func (z *erasureServerPools) initRebalanceMeta(ctx context.Context, buckets []st
}
// Fetch disk capacity and available space.
si := z.StorageInfo(ctx)
si := z.StorageInfo(ctx, true)
diskStats := make([]struct {
AvailableSpace uint64
TotalSpace uint64

78
cmd/erasure-server-pool.go
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@ -613,7 +613,7 @@ func (z *erasureServerPools) BackendInfo() (b madmin.BackendInfo) {
return
}
func (z *erasureServerPools) LocalStorageInfo(ctx context.Context) StorageInfo {
func (z *erasureServerPools) LocalStorageInfo(ctx context.Context, metrics bool) StorageInfo {
var storageInfo StorageInfo
storageInfos := make([]StorageInfo, len(z.serverPools))
@ -621,7 +621,7 @@ func (z *erasureServerPools) LocalStorageInfo(ctx context.Context) StorageInfo {
for index := range z.serverPools {
index := index
g.Go(func() error {
storageInfos[index] = z.serverPools[index].LocalStorageInfo(ctx)
storageInfos[index] = z.serverPools[index].LocalStorageInfo(ctx, metrics)
return nil
}, index)
}
@ -637,8 +637,8 @@ func (z *erasureServerPools) LocalStorageInfo(ctx context.Context) StorageInfo {
return storageInfo
}
func (z *erasureServerPools) StorageInfo(ctx context.Context) StorageInfo {
return globalNotificationSys.StorageInfo(z)
func (z *erasureServerPools) StorageInfo(ctx context.Context, metrics bool) StorageInfo {
return globalNotificationSys.StorageInfo(z, metrics)
}
func (z *erasureServerPools) NSScanner(ctx context.Context, updates chan<- DataUsageInfo, wantCycle uint32, healScanMode madmin.HealScanMode) error {
@ -2285,6 +2285,7 @@ type HealthResult struct {
Maintenance bool
PoolID, SetID int
HealthyDrives int
HealingDrives int
WriteQuorum int
}
WriteQuorum int
@ -2331,29 +2332,36 @@ func (z *erasureServerPools) ReadHealth(ctx context.Context) bool {
// can be used to query scenarios if health may be lost
// if this node is taken down by an external orchestrator.
func (z *erasureServerPools) Health(ctx context.Context, opts HealthOptions) HealthResult {
erasureSetUpCount := make([][]int, len(z.serverPools))
reqInfo := (&logger.ReqInfo{}).AppendTags("maintenance", strconv.FormatBool(opts.Maintenance))
type setInfo struct {
online int
healing int
}
var drivesHealing int
erasureSetUpCount := make([][]setInfo, len(z.serverPools))
for i := range z.serverPools {
erasureSetUpCount[i] = make([]int, len(z.serverPools[i].sets))
erasureSetUpCount[i] = make([]setInfo, len(z.serverPools[i].sets))
}
diskIDs := globalNotificationSys.GetLocalDiskIDs(ctx)
if !opts.Maintenance {
diskIDs = append(diskIDs, getLocalDiskIDs(z))
}
storageInfo := z.StorageInfo(ctx, false)
for _, localDiskIDs := range diskIDs {
for _, id := range localDiskIDs {
poolIdx, setIdx, _, err := z.getPoolAndSet(id)
if err != nil {
logger.LogIf(ctx, err)
continue
for _, disk := range storageInfo.Disks {
if disk.PoolIndex > -1 && disk.SetIndex > -1 {
if disk.State == madmin.DriveStateOk {
si := erasureSetUpCount[disk.PoolIndex][disk.SetIndex]
si.online++
if disk.Healing {
si.healing++
drivesHealing++
}
erasureSetUpCount[disk.PoolIndex][disk.SetIndex] = si
}
erasureSetUpCount[poolIdx][setIdx]++
}
}
reqInfo := (&logger.ReqInfo{}).AppendTags("maintenance", strconv.FormatBool(opts.Maintenance))
b := z.BackendInfo()
poolWriteQuorums := make([]int, len(b.StandardSCData))
for i, data := range b.StandardSCData {
@ -2363,23 +2371,10 @@ func (z *erasureServerPools) Health(ctx context.Context, opts HealthOptions) Hea
}
}
var aggHealStateResult madmin.BgHealState
// Check if disks are healing on in-case of VMware vsphere deployments.
if opts.Maintenance && opts.DeploymentType == vmware {
// check if local disks are being healed, if they are being healed
// we need to tell healthy status as 'false' so that this server
// is not taken down for maintenance
var err error
aggHealStateResult, err = getAggregatedBackgroundHealState(ctx, nil)
if err != nil {
logger.LogIf(logger.SetReqInfo(ctx, reqInfo), fmt.Errorf("Unable to verify global heal status: %w", err))
return HealthResult{
Healthy: false,
}
}
if len(aggHealStateResult.HealDisks) > 0 {
logger.LogIf(logger.SetReqInfo(ctx, reqInfo), fmt.Errorf("Total drives to be healed %d", len(aggHealStateResult.HealDisks)))
if drivesHealing > 0 {
logger.LogIf(logger.SetReqInfo(ctx, reqInfo), fmt.Errorf("Total drives to be healed %d", drivesHealing))
}
}
@ -2407,18 +2402,19 @@ func (z *erasureServerPools) Health(ctx context.Context, opts HealthOptions) Hea
for poolIdx := range erasureSetUpCount {
for setIdx := range erasureSetUpCount[poolIdx] {
result.ESHealth = append(result.ESHealth, struct {
Maintenance bool
PoolID, SetID int
HealthyDrives, WriteQuorum int
Maintenance bool
PoolID, SetID int
HealthyDrives, HealingDrives, WriteQuorum int
}{
Maintenance: opts.Maintenance,
SetID: setIdx,
PoolID: poolIdx,
HealthyDrives: erasureSetUpCount[poolIdx][setIdx],
HealthyDrives: erasureSetUpCount[poolIdx][setIdx].online,
HealingDrives: erasureSetUpCount[poolIdx][setIdx].healing,
WriteQuorum: poolWriteQuorums[poolIdx],
})
if erasureSetUpCount[poolIdx][setIdx] < poolWriteQuorums[poolIdx] {
if erasureSetUpCount[poolIdx][setIdx].online < poolWriteQuorums[poolIdx] {
logger.LogIf(logger.SetReqInfo(ctx, reqInfo),
fmt.Errorf("Write quorum may be lost on pool: %d, set: %d, expected write quorum: %d",
poolIdx, setIdx, poolWriteQuorums[poolIdx]))
@ -2428,8 +2424,8 @@ func (z *erasureServerPools) Health(ctx context.Context, opts HealthOptions) Hea
}
if opts.Maintenance {
result.Healthy = result.Healthy && len(aggHealStateResult.HealDisks) == 0
result.HealingDrives = len(aggHealStateResult.HealDisks)
result.Healthy = result.Healthy && drivesHealing == 0
result.HealingDrives = drivesHealing
}
return result

4
cmd/erasure-sets.go
View File

@ -597,7 +597,7 @@ func (s *erasureSets) StorageInfo(ctx context.Context) StorageInfo {
}
// StorageInfo - combines output of StorageInfo across all erasure coded object sets.
func (s *erasureSets) LocalStorageInfo(ctx context.Context) StorageInfo {
func (s *erasureSets) LocalStorageInfo(ctx context.Context, metrics bool) StorageInfo {
var storageInfo StorageInfo
storageInfos := make([]StorageInfo, len(s.sets))
@ -606,7 +606,7 @@ func (s *erasureSets) LocalStorageInfo(ctx context.Context) StorageInfo {
for index := range s.sets {
index := index
g.Go(func() error {
storageInfos[index] = s.sets[index].LocalStorageInfo(ctx)
storageInfos[index] = s.sets[index].LocalStorageInfo(ctx, metrics)
return nil
}, index)
}

14
cmd/erasure.go
View File

@ -160,7 +160,7 @@ func getOnlineOfflineDisksStats(disksInfo []madmin.Disk) (onlineDisks, offlineDi
}
// getDisksInfo - fetch disks info across all other storage API.
func getDisksInfo(disks []StorageAPI, endpoints []Endpoint) (disksInfo []madmin.Disk) {
func getDisksInfo(disks []StorageAPI, endpoints []Endpoint, metrics bool) (disksInfo []madmin.Disk) {
disksInfo = make([]madmin.Disk, len(disks))
g := errgroup.WithNErrs(len(disks))
@ -178,7 +178,7 @@ func getDisksInfo(disks []StorageAPI, endpoints []Endpoint) (disksInfo []madmin.
disksInfo[index] = di
return nil
}
info, err := disks[index].DiskInfo(context.TODO(), true)
info, err := disks[index].DiskInfo(context.TODO(), metrics)
di.DrivePath = info.MountPath
di.TotalSpace = info.Total
di.UsedSpace = info.Used
@ -225,8 +225,8 @@ func getDisksInfo(disks []StorageAPI, endpoints []Endpoint) (disksInfo []madmin.
}
// Get an aggregated storage info across all disks.
func getStorageInfo(disks []StorageAPI, endpoints []Endpoint) StorageInfo {
disksInfo := getDisksInfo(disks, endpoints)
func getStorageInfo(disks []StorageAPI, endpoints []Endpoint, metrics bool) StorageInfo {
disksInfo := getDisksInfo(disks, endpoints, metrics)
// Sort so that the first element is the smallest.
sort.Slice(disksInfo, func(i, j int) bool {
@ -245,11 +245,11 @@ func getStorageInfo(disks []StorageAPI, endpoints []Endpoint) StorageInfo {
func (er erasureObjects) StorageInfo(ctx context.Context) StorageInfo {
disks := er.getDisks()
endpoints := er.getEndpoints()
return getStorageInfo(disks, endpoints)
return getStorageInfo(disks, endpoints, true)
}
// LocalStorageInfo - returns underlying local storage statistics.
func (er erasureObjects) LocalStorageInfo(ctx context.Context) StorageInfo {
func (er erasureObjects) LocalStorageInfo(ctx context.Context, metrics bool) StorageInfo {
disks := er.getDisks()
endpoints := er.getEndpoints()
@ -263,7 +263,7 @@ func (er erasureObjects) LocalStorageInfo(ctx context.Context) StorageInfo {
}
}
return getStorageInfo(localDisks, localEndpoints)
return getStorageInfo(localDisks, localEndpoints, metrics)
}
// getOnlineDisksWithHealing - returns online disks and overall healing status.

2
cmd/global-heal.go
View File

@ -97,7 +97,7 @@ func getLocalBackgroundHealStatus(ctx context.Context, o ObjectLayer) (madmin.Bg
return status, true
}
si := o.LocalStorageInfo(ctx)
si := o.LocalStorageInfo(ctx, true)
indexed := make(map[string][]madmin.Disk)
for _, disk := range si.Disks {

2
cmd/metrics-realtime.go
View File

@ -136,7 +136,7 @@ func collectLocalDisksMetrics(disks map[string]struct{}) map[string]madmin.DiskM
return metrics
}
storageInfo := objLayer.LocalStorageInfo(GlobalContext)
storageInfo := objLayer.LocalStorageInfo(GlobalContext, true)
for _, d := range storageInfo.Disks {
if len(disks) != 0 {
_, ok := disks[d.Endpoint]

48
cmd/metrics-v2.go
View File

@ -3133,7 +3133,7 @@ func getLocalStorageMetrics() *MetricsGroup {
}
metrics = make([]Metric, 0, 50)
storageInfo := objLayer.LocalStorageInfo(ctx)
storageInfo := objLayer.LocalStorageInfo(ctx, true)
onlineDrives, offlineDrives := getOnlineOfflineDisksStats(storageInfo.Disks)
totalDrives := onlineDrives.Merge(offlineDrives)
@ -3235,12 +3235,32 @@ func getClusterHealthStatusMD() MetricDescription {
}
}
func getClusterErasureSetToleranceMD() MetricDescription {
func getClusterErasureSetWriteQuorumMD() MetricDescription {
return MetricDescription{
Namespace: clusterMetricNamespace,
Subsystem: "health",
Name: "erasure_set_tolerance",
Help: "Get erasure set tolerance status",
Name: "erasure_set_write_quorum",
Help: "Get the write quorum for this erasure set",
Type: gaugeMetric,
}
}
func getClusterErasureSetOnlineDrivesMD() MetricDescription {
return MetricDescription{
Namespace: clusterMetricNamespace,
Subsystem: "health",
Name: "erasure_set_online_drives",
Help: "Get the count of the online drives in this erasure set",
Type: gaugeMetric,
}
}
func getClusterErasureSetHealingDrivesMD() MetricDescription {
return MetricDescription{
Namespace: clusterMetricNamespace,
Subsystem: "health",
Name: "erasure_set_healing_drives",
Help: "Get the count of healing drives of this erasure set",
Type: gaugeMetric,
}
}
@ -3256,11 +3276,11 @@ func getClusterHealthMetrics() *MetricsGroup {
return
}
metrics = make([]Metric, 0, 2)
opts := HealthOptions{}
result := objLayer.Health(ctx, opts)
metrics = make([]Metric, 0, 2+3*len(result.ESHealth))
metrics = append(metrics, Metric{
Description: getClusterWriteQuorumMD(),
Value: float64(result.WriteQuorum),
@ -3282,9 +3302,19 @@ func getClusterHealthMetrics() *MetricsGroup {
"set": strconv.Itoa(h.SetID),
}
metrics = append(metrics, Metric{
Description: getClusterErasureSetToleranceMD(),
Description: getClusterErasureSetWriteQuorumMD(),
VariableLabels: labels,
Value: float64(h.HealthyDrives - h.WriteQuorum),
Value: float64(h.WriteQuorum),
})
metrics = append(metrics, Metric{
Description: getClusterErasureSetOnlineDrivesMD(),
VariableLabels: labels,
Value: float64(h.HealthyDrives),
})
metrics = append(metrics, Metric{
Description: getClusterErasureSetHealingDrivesMD(),
VariableLabels: labels,
Value: float64(h.HealingDrives),
})
}
@ -3378,7 +3408,7 @@ func getClusterStorageMetrics() *MetricsGroup {
// Fetch disk space info, ignore errors
metrics = make([]Metric, 0, 10)
storageInfo := objLayer.StorageInfo(ctx)
storageInfo := objLayer.StorageInfo(ctx, true)
onlineDrives, offlineDrives := getOnlineOfflineDisksStats(storageInfo.Disks)
totalDrives := onlineDrives.Merge(offlineDrives)

2
cmd/metrics.go
View File

@ -406,7 +406,7 @@ func storageMetricsPrometheus(ch chan<- prometheus.Metric) {
float64(GetTotalCapacityFree(server.Disks)),
)
sinfo := objLayer.StorageInfo(GlobalContext)
sinfo := objLayer.StorageInfo(GlobalContext, true)
// Report total usable capacity
ch <- prometheus.MustNewConstMetric(

6
cmd/notification.go
View File

@ -988,7 +988,7 @@ func getOfflineDisks(offlineHost string, endpoints EndpointServerPools) []madmin
}
// StorageInfo returns disk information across all peers
func (sys *NotificationSys) StorageInfo(objLayer ObjectLayer) StorageInfo {
func (sys *NotificationSys) StorageInfo(objLayer ObjectLayer, metrics bool) StorageInfo {
var storageInfo StorageInfo
replies := make([]StorageInfo, len(sys.peerClients))
@ -1000,7 +1000,7 @@ func (sys *NotificationSys) StorageInfo(objLayer ObjectLayer) StorageInfo {
wg.Add(1)
go func(client *peerRESTClient, idx int) {
defer wg.Done()
info, err := client.LocalStorageInfo()
info, err := client.LocalStorageInfo(metrics)
if err != nil {
info.Disks = getOfflineDisks(client.host.String(), globalEndpoints)
}
@ -1010,7 +1010,7 @@ func (sys *NotificationSys) StorageInfo(objLayer ObjectLayer) StorageInfo {
wg.Wait()
// Add local to this server.
replies = append(replies, objLayer.LocalStorageInfo(GlobalContext))
replies = append(replies, objLayer.LocalStorageInfo(GlobalContext, metrics))
storageInfo.Backend = objLayer.BackendInfo()
for _, sinfo := range replies {

4
cmd/object-api-interface.go
View File

@ -228,8 +228,8 @@ type ObjectLayer interface {
Shutdown(context.Context) error
NSScanner(ctx context.Context, updates chan<- DataUsageInfo, wantCycle uint32, scanMode madmin.HealScanMode) error
BackendInfo() madmin.BackendInfo
StorageInfo(ctx context.Context) StorageInfo
LocalStorageInfo(ctx context.Context) StorageInfo
StorageInfo(ctx context.Context, metrics bool) StorageInfo
LocalStorageInfo(ctx context.Context, metrics bool) StorageInfo
// Bucket operations.
MakeBucket(ctx context.Context, bucket string, opts MakeBucketOptions) error

6
cmd/peer-rest-client.go
View File

@ -102,8 +102,10 @@ func (client *peerRESTClient) GetLocks() (lockMap map[string][]lockRequesterInfo
}
// LocalStorageInfo - fetch server information for a remote node.
func (client *peerRESTClient) LocalStorageInfo() (info StorageInfo, err error) {
respBody, err := client.call(peerRESTMethodLocalStorageInfo, nil, nil, -1)
func (client *peerRESTClient) LocalStorageInfo(metrics bool) (info StorageInfo, err error) {
values := make(url.Values)
values.Set(peerRESTMetrics, strconv.FormatBool(metrics))
respBody, err := client.call(peerRESTMethodLocalStorageInfo, values, nil, -1)
if err != nil {
return
}

3
cmd/peer-rest-common.go
View File

@ -18,7 +18,7 @@
package cmd
const (
peerRESTVersion = "v33" // Add SRMetrics
peerRESTVersion = "v34" // Add metrics flag to LocalStorageInfo call
peerRESTVersionPrefix = SlashSeparator + peerRESTVersion
peerRESTPrefix = minioReservedBucketPath + "/peer"
@ -106,6 +106,7 @@ const (
peerRESTJobID = "job-id"
peerRESTDepID = "depID"
peerRESTStartRebalance = "start-rebalance"
peerRESTMetrics = "metrics"
peerRESTListenBucket = "bucket"
peerRESTListenPrefix = "prefix"

9
cmd/peer-rest-server.go
View File

@ -345,7 +345,14 @@ func (s *peerRESTServer) LocalStorageInfoHandler(w http.ResponseWriter, r *http.
return
}
logger.LogIf(ctx, gob.NewEncoder(w).Encode(objLayer.LocalStorageInfo(r.Context())))
metrics, err := strconv.ParseBool(r.Form.Get(peerRESTMetrics))
if err != nil {
s.writeErrorResponse(w, err)
return
}
logger.LogIf(ctx, gob.NewEncoder(w).Encode(objLayer.LocalStorageInfo(r.Context(), metrics)))
}
// ServerInfoHandler - returns Server Info

2
cmd/rebalance-admin.go
View File

@ -55,7 +55,7 @@ func rebalanceStatus(ctx context.Context, z *erasureServerPools) (r rebalanceAdm
}
// Compute disk usage percentage
si := z.StorageInfo(ctx)
si := z.StorageInfo(ctx, true)
diskStats := make([]struct {
AvailableSpace uint64
TotalSpace uint64

2
cmd/server-startup-msg.go
View File

@ -55,7 +55,7 @@ func printStartupMessage(apiEndpoints []string, err error) {
// Object layer is initialized then print StorageInfo.
objAPI := newObjectLayerFn()
if objAPI != nil {
printStorageInfo(objAPI.StorageInfo(GlobalContext))
printStorageInfo(objAPI.StorageInfo(GlobalContext, true))
}
// Prints credential, region and browser access.

2
cmd/veeam-sos-api.go
View File

@ -163,7 +163,7 @@ func veeamSOSAPIGetObject(ctx context.Context, bucket, object string, rs *HTTPRa
}
if quotaSize == 0 {
info := objAPI.StorageInfo(ctx)
info := objAPI.StorageInfo(ctx, true)
info.Backend = objAPI.BackendInfo()
ci.Capacity = int64(GetTotalUsableCapacity(info.Disks, info))