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Revert "Add metrics for nodes online and offline (#11050)"

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This reverts commit f60bbdf86b.
master
Harshavardhana 4 years ago
parent 6b7ced80fe
commit 4a564336fe
4 changed files with 31 additions and 88 deletions
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  1. 85
      cmd/metrics.go
  2. 19
      cmd/notification.go
  3. 13
      cmd/rest/client.go
  4. 2
      docs/metrics/prometheus/README.md

85
cmd/metrics.go
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@ -53,17 +53,6 @@ var (
)
)
const (
healMetricsNamespace = "self_heal"
gatewayNamespace = "gateway"
cacheNamespace = "cache"
s3Namespace = "s3"
bucketNamespace = "bucket"
minioNamespace = "minio"
diskNamespace = "disk"
interNodeNamespace = "internode"
)
func init() {
prometheus.MustRegister(httpRequestsDuration)
prometheus.MustRegister(newMinioCollector())
@ -97,7 +86,6 @@ func (c *minioCollector) Collect(ch chan<- prometheus.Metric) {
minioVersionInfo.WithLabelValues(Version, CommitID).Set(float64(1.0))
storageMetricsPrometheus(ch)
nodeHealthMetricsPrometheus(ch)
bucketUsageMetricsPrometheus(ch)
networkMetricsPrometheus(ch)
httpMetricsPrometheus(ch)
@ -106,26 +94,6 @@ func (c *minioCollector) Collect(ch chan<- prometheus.Metric) {
healingMetricsPrometheus(ch)
}
func nodeHealthMetricsPrometheus(ch chan<- prometheus.Metric) {
nodesUp, nodesDown := GetPeerOnlineCount()
ch <- prometheus.MustNewConstMetric(
prometheus.NewDesc(
prometheus.BuildFQName(minioNamespace, "nodes", "online"),
"Total number of MinIO nodes online",
nil, nil),
prometheus.GaugeValue,
float64(nodesUp),
)
ch <- prometheus.MustNewConstMetric(
prometheus.NewDesc(
prometheus.BuildFQName(minioNamespace, "nodes", "offline"),
"Total number of MinIO nodes offline",
nil, nil),
prometheus.GaugeValue,
float64(nodesDown),
)
}
// collects healing specific metrics for MinIO instance in Prometheus specific format
// and sends to given channel
func healingMetricsPrometheus(ch chan<- prometheus.Metric) {
@ -136,6 +104,7 @@ func healingMetricsPrometheus(ch chan<- prometheus.Metric) {
if !exists {
return
}
healMetricsNamespace := "self_heal"
var dur time.Duration
if !bgSeq.lastHealActivity.IsZero() {
@ -205,7 +174,7 @@ func gatewayMetricsPrometheus(ch chan<- prometheus.Metric) {
ch <- prometheus.MustNewConstMetric(
prometheus.NewDesc(
prometheus.BuildFQName(gatewayNamespace, globalGatewayName, "bytes_received"),
prometheus.BuildFQName("gateway", globalGatewayName, "bytes_received"),
"Total number of bytes received by current MinIO Gateway "+globalGatewayName+" backend",
nil, nil),
prometheus.CounterValue,
@ -213,7 +182,7 @@ func gatewayMetricsPrometheus(ch chan<- prometheus.Metric) {
)
ch <- prometheus.MustNewConstMetric(
prometheus.NewDesc(
prometheus.BuildFQName(gatewayNamespace, globalGatewayName, "bytes_sent"),
prometheus.BuildFQName("gateway", globalGatewayName, "bytes_sent"),
"Total number of bytes sent by current MinIO Gateway to "+globalGatewayName+" backend",
nil, nil),
prometheus.CounterValue,
@ -222,7 +191,7 @@ func gatewayMetricsPrometheus(ch chan<- prometheus.Metric) {
s := m.GetRequests()
ch <- prometheus.MustNewConstMetric(
prometheus.NewDesc(
prometheus.BuildFQName(gatewayNamespace, globalGatewayName, "requests"),
prometheus.BuildFQName("gateway", globalGatewayName, "requests"),
"Total number of requests made to "+globalGatewayName+" by current MinIO Gateway",
[]string{"method"}, nil),
prometheus.CounterValue,
@ -231,7 +200,7 @@ func gatewayMetricsPrometheus(ch chan<- prometheus.Metric) {
)
ch <- prometheus.MustNewConstMetric(
prometheus.NewDesc(
prometheus.BuildFQName(gatewayNamespace, globalGatewayName, "requests"),
prometheus.BuildFQName("gateway", globalGatewayName, "requests"),
"Total number of requests made to "+globalGatewayName+" by current MinIO Gateway",
[]string{"method"}, nil),
prometheus.CounterValue,
@ -240,7 +209,7 @@ func gatewayMetricsPrometheus(ch chan<- prometheus.Metric) {
)
ch <- prometheus.MustNewConstMetric(
prometheus.NewDesc(
prometheus.BuildFQName(gatewayNamespace, globalGatewayName, "requests"),
prometheus.BuildFQName("gateway", globalGatewayName, "requests"),
"Total number of requests made to "+globalGatewayName+" by current MinIO Gateway",
[]string{"method"}, nil),
prometheus.CounterValue,
@ -249,7 +218,7 @@ func gatewayMetricsPrometheus(ch chan<- prometheus.Metric) {
)
ch <- prometheus.MustNewConstMetric(
prometheus.NewDesc(
prometheus.BuildFQName(gatewayNamespace, globalGatewayName, "requests"),
prometheus.BuildFQName("gateway", globalGatewayName, "requests"),
"Total number of requests made to "+globalGatewayName+" by current MinIO Gateway",
[]string{"method"}, nil),
prometheus.CounterValue,
@ -269,7 +238,7 @@ func cacheMetricsPrometheus(ch chan<- prometheus.Metric) {
ch <- prometheus.MustNewConstMetric(
prometheus.NewDesc(
prometheus.BuildFQName(cacheNamespace, "hits", "total"),
prometheus.BuildFQName("cache", "hits", "total"),
"Total number of disk cache hits in current MinIO instance",
nil, nil),
prometheus.CounterValue,
@ -277,7 +246,7 @@ func cacheMetricsPrometheus(ch chan<- prometheus.Metric) {
)
ch <- prometheus.MustNewConstMetric(
prometheus.NewDesc(
prometheus.BuildFQName(cacheNamespace, "misses", "total"),
prometheus.BuildFQName("cache", "misses", "total"),
"Total number of disk cache misses in current MinIO instance",
nil, nil),
prometheus.CounterValue,
@ -285,7 +254,7 @@ func cacheMetricsPrometheus(ch chan<- prometheus.Metric) {
)
ch <- prometheus.MustNewConstMetric(
prometheus.NewDesc(
prometheus.BuildFQName(cacheNamespace, "data", "served"),
prometheus.BuildFQName("cache", "data", "served"),
"Total number of bytes served from cache of current MinIO instance",
nil, nil),
prometheus.CounterValue,
@ -295,7 +264,7 @@ func cacheMetricsPrometheus(ch chan<- prometheus.Metric) {
// Cache disk usage percentage
ch <- prometheus.MustNewConstMetric(
prometheus.NewDesc(
prometheus.BuildFQName(cacheNamespace, "usage", "percent"),
prometheus.BuildFQName("cache", "usage", "percent"),
"Total percentage cache usage",
[]string{"disk"}, nil),
prometheus.GaugeValue,
@ -304,7 +273,7 @@ func cacheMetricsPrometheus(ch chan<- prometheus.Metric) {
)
ch <- prometheus.MustNewConstMetric(
prometheus.NewDesc(
prometheus.BuildFQName(cacheNamespace, "usage", "high"),
prometheus.BuildFQName("cache", "usage", "high"),
"Indicates cache usage is high or low, relative to current cache 'quota' settings",
[]string{"disk"}, nil),
prometheus.GaugeValue,
@ -342,7 +311,7 @@ func httpMetricsPrometheus(ch chan<- prometheus.Metric) {
for api, value := range httpStats.CurrentS3Requests.APIStats {
ch <- prometheus.MustNewConstMetric(
prometheus.NewDesc(
prometheus.BuildFQName(s3Namespace, "requests", "current"),
prometheus.BuildFQName("s3", "requests", "current"),
"Total number of running s3 requests in current MinIO server instance",
[]string{"api"}, nil),
prometheus.CounterValue,
@ -354,7 +323,7 @@ func httpMetricsPrometheus(ch chan<- prometheus.Metric) {
for api, value := range httpStats.TotalS3Requests.APIStats {
ch <- prometheus.MustNewConstMetric(
prometheus.NewDesc(
prometheus.BuildFQName(s3Namespace, "requests", "total"),
prometheus.BuildFQName("s3", "requests", "total"),
"Total number of s3 requests in current MinIO server instance",
[]string{"api"}, nil),
prometheus.CounterValue,
@ -366,7 +335,7 @@ func httpMetricsPrometheus(ch chan<- prometheus.Metric) {
for api, value := range httpStats.TotalS3Errors.APIStats {
ch <- prometheus.MustNewConstMetric(
prometheus.NewDesc(
prometheus.BuildFQName(s3Namespace, "errors", "total"),
prometheus.BuildFQName("s3", "errors", "total"),
"Total number of s3 errors in current MinIO server instance",
[]string{"api"}, nil),
prometheus.CounterValue,
@ -384,7 +353,7 @@ func networkMetricsPrometheus(ch chan<- prometheus.Metric) {
// Network Sent/Received Bytes (internode)
ch <- prometheus.MustNewConstMetric(
prometheus.NewDesc(
prometheus.BuildFQName(interNodeNamespace, "tx", "bytes_total"),
prometheus.BuildFQName("internode", "tx", "bytes_total"),
"Total number of bytes sent to the other peer nodes by current MinIO server instance",
nil, nil),
prometheus.CounterValue,
@ -393,7 +362,7 @@ func networkMetricsPrometheus(ch chan<- prometheus.Metric) {
ch <- prometheus.MustNewConstMetric(
prometheus.NewDesc(
prometheus.BuildFQName(interNodeNamespace, "rx", "bytes_total"),
prometheus.BuildFQName("internode", "rx", "bytes_total"),
"Total number of internode bytes received by current MinIO server instance",
nil, nil),
prometheus.CounterValue,
@ -403,7 +372,7 @@ func networkMetricsPrometheus(ch chan<- prometheus.Metric) {
// Network Sent/Received Bytes (Outbound)
ch <- prometheus.MustNewConstMetric(
prometheus.NewDesc(
prometheus.BuildFQName(s3Namespace, "tx", "bytes_total"),
prometheus.BuildFQName("s3", "tx", "bytes_total"),
"Total number of s3 bytes sent by current MinIO server instance",
nil, nil),
prometheus.CounterValue,
@ -412,7 +381,7 @@ func networkMetricsPrometheus(ch chan<- prometheus.Metric) {
ch <- prometheus.MustNewConstMetric(
prometheus.NewDesc(
prometheus.BuildFQName(s3Namespace, "rx", "bytes_total"),
prometheus.BuildFQName("s3", "rx", "bytes_total"),
"Total number of s3 bytes received by current MinIO server instance",
nil, nil),
prometheus.CounterValue,
@ -452,7 +421,7 @@ func bucketUsageMetricsPrometheus(ch chan<- prometheus.Metric) {
// Total space used by bucket
ch <- prometheus.MustNewConstMetric(
prometheus.NewDesc(
prometheus.BuildFQName(bucketNamespace, "usage", "size"),
prometheus.BuildFQName("bucket", "usage", "size"),
"Total bucket size",
[]string{"bucket"}, nil),
prometheus.GaugeValue,
@ -461,7 +430,7 @@ func bucketUsageMetricsPrometheus(ch chan<- prometheus.Metric) {
)
ch <- prometheus.MustNewConstMetric(
prometheus.NewDesc(
prometheus.BuildFQName(bucketNamespace, "objects", "count"),
prometheus.BuildFQName("bucket", "objects", "count"),
"Total number of objects in a bucket",
[]string{"bucket"}, nil),
prometheus.GaugeValue,
@ -507,7 +476,7 @@ func bucketUsageMetricsPrometheus(ch chan<- prometheus.Metric) {
for k, v := range usageInfo.ObjectSizesHistogram {
ch <- prometheus.MustNewConstMetric(
prometheus.NewDesc(
prometheus.BuildFQName(bucketNamespace, "objects", "histogram"),
prometheus.BuildFQName("bucket", "objects", "histogram"),
"Total number of objects of different sizes in a bucket",
[]string{"bucket", "object_size"}, nil),
prometheus.GaugeValue,
@ -538,7 +507,7 @@ func storageMetricsPrometheus(ch chan<- prometheus.Metric) {
// MinIO Offline Disks per node
ch <- prometheus.MustNewConstMetric(
prometheus.NewDesc(
prometheus.BuildFQName(minioNamespace, "disks", "offline"),
prometheus.BuildFQName("minio", "disks", "offline"),
"Total number of offline disks in current MinIO server instance",
nil, nil),
prometheus.GaugeValue,
@ -548,7 +517,7 @@ func storageMetricsPrometheus(ch chan<- prometheus.Metric) {
// MinIO Total Disks per node
ch <- prometheus.MustNewConstMetric(
prometheus.NewDesc(
prometheus.BuildFQName(minioNamespace, "disks", "total"),
prometheus.BuildFQName("minio", "disks", "total"),
"Total number of disks for current MinIO server instance",
nil, nil),
prometheus.GaugeValue,
@ -559,7 +528,7 @@ func storageMetricsPrometheus(ch chan<- prometheus.Metric) {
// Total disk usage by the disk
ch <- prometheus.MustNewConstMetric(
prometheus.NewDesc(
prometheus.BuildFQName(diskNamespace, "storage", "used"),
prometheus.BuildFQName("disk", "storage", "used"),
"Total disk storage used on the disk",
[]string{"disk"}, nil),
prometheus.GaugeValue,
@ -570,7 +539,7 @@ func storageMetricsPrometheus(ch chan<- prometheus.Metric) {
// Total available space in the disk
ch <- prometheus.MustNewConstMetric(
prometheus.NewDesc(
prometheus.BuildFQName(diskNamespace, "storage", "available"),
prometheus.BuildFQName("disk", "storage", "available"),
"Total available space left on the disk",
[]string{"disk"}, nil),
prometheus.GaugeValue,
@ -581,7 +550,7 @@ func storageMetricsPrometheus(ch chan<- prometheus.Metric) {
// Total storage space of the disk
ch <- prometheus.MustNewConstMetric(
prometheus.NewDesc(
prometheus.BuildFQName(diskNamespace, "storage", "total"),
prometheus.BuildFQName("disk", "storage", "total"),
"Total space on the disk",
[]string{"disk"}, nil),
prometheus.GaugeValue,

19
cmd/notification.go
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@ -51,8 +51,8 @@ type NotificationSys struct {
targetResCh chan event.TargetIDResult
bucketRulesMap map[string]event.RulesMap
bucketRemoteTargetRulesMap map[string]map[event.TargetID]event.RulesMap
peerClients []*peerRESTClient // Excludes self
allPeerClients []*peerRESTClient // Includes nil client for self
peerClients []*peerRESTClient
allPeerClients []*peerRESTClient
}
// GetARNList - returns available ARNs.
@ -1288,21 +1288,6 @@ func NewNotificationSys(endpoints EndpointServerPools) *NotificationSys {
}
}
// GetPeerOnlineCount gets the count of online and offline nodes.
func GetPeerOnlineCount() (nodesOnline, nodesOffline int) {
nodesOnline = 1
nodesOffline = 0
servers := globalNotificationSys.ServerInfo()
for _, s := range servers {
if s.State == "online" {
nodesOnline++
continue
}
nodesOffline++
}
return
}
type eventArgs struct {
EventName event.Name
BucketName string

13
cmd/rest/client.go
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@ -200,22 +200,13 @@ func (c *Client) MarkOffline() {
if atomic.LoadInt32(&c.connected) == closed {
return
}
if c.CheckOnlineStatus() {
if c.HealthCheckFn() {
atomic.CompareAndSwapInt32(&c.connected, offline, online)
logger.Info("Client %s online", c.url.String())
return
}
time.Sleep(time.Duration(r.Float64() * float64(c.HealthCheckInterval)))
}
}()
}
}
// CheckOnlineStatus checks if a client is online.
func (c *Client) CheckOnlineStatus() bool {
if c.HealthCheckFn != nil {
if c.HealthCheckFn() {
return true
}
}
return false
}

2
docs/metrics/prometheus/README.md
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@ -136,8 +136,6 @@ The list of metrics and its definition are as follows. (NOTE: instance here is o
| `minio_version_info` | Current MinIO version with its commit-id |
| `minio_disks_offline` | Total number of offline disks on current MinIO instance |
| `minio_disks_total` | Total number of disks on current MinIO instance |
| `minio_nodes_online` | Total number of MinIO nodes online |
| `minio_nodes_offline` | Total number of MinIO nodes offline |
### Disk metrics are labeled by 'disk' which indentifies each disk
| name | description |

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