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Add metrics for observing IAM sync operations (#14680)
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parent
c7962118f8
commit
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14
cmd/iam.go
14
cmd/iam.go
@ -29,6 +29,7 @@ import (
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"sort"
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"strings"
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"sync"
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"sync/atomic"
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"time"
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humanize "github.com/dustin/go-humanize"
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@ -77,6 +78,12 @@ type IAMSys struct {
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// configLoaded will be closed and remain so after first load.
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configLoaded chan struct{}
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// metrics
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LastRefreshTimeUnixNano uint64
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LastRefreshDurationMilliseconds uint64
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TotalRefreshSuccesses uint64
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TotalRefreshFailures uint64
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}
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// IAMUserType represents a user type inside MinIO server
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@ -184,10 +191,17 @@ func (sys *IAMSys) Initialized() bool {
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// Load - loads all credentials, policies and policy mappings.
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func (sys *IAMSys) Load(ctx context.Context) error {
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loadStartTime := time.Now()
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err := sys.store.LoadIAMCache(ctx)
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if err != nil {
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atomic.AddUint64(&sys.TotalRefreshFailures, 1)
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return err
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}
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loadDuration := time.Since(loadStartTime)
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atomic.StoreUint64(&sys.LastRefreshDurationMilliseconds, uint64(loadDuration.Milliseconds()))
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atomic.StoreUint64(&sys.LastRefreshTimeUnixNano, uint64(loadStartTime.Add(loadDuration).UnixNano()))
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atomic.AddUint64(&sys.TotalRefreshSuccesses, 1)
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select {
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case <-sys.configLoaded:
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@ -62,6 +62,7 @@ func init() {
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getS3TTFBMetric(),
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getILMNodeMetrics(),
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getScannerNodeMetrics(),
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getIAMNodeMetrics(),
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}
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allMetricsGroups := func() (allMetrics []*MetricsGroup) {
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@ -121,6 +122,7 @@ const (
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quotaSubsystem MetricSubsystem = "quota"
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ilmSubsystem MetricSubsystem = "ilm"
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scannerSubsystem MetricSubsystem = "scanner"
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iamSubsystem MetricSubsystem = "iam"
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)
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// MetricName are the individual names for the metric.
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@ -1266,6 +1268,62 @@ func getScannerNodeMetrics() *MetricsGroup {
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return mg
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}
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func getIAMNodeMetrics() *MetricsGroup {
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mg := &MetricsGroup{}
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mg.RegisterRead(func(_ context.Context) (metrics []Metric) {
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lastSyncTime := atomic.LoadUint64(&globalIAMSys.LastRefreshTimeUnixNano)
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var sinceLastSyncMillis uint64
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if lastSyncTime != 0 {
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sinceLastSyncMillis = (uint64(time.Now().UnixNano()) - lastSyncTime) / uint64(time.Millisecond)
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}
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metrics = []Metric{
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{
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Description: MetricDescription{
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Namespace: nodeMetricNamespace,
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Subsystem: iamSubsystem,
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Name: "last_sync_duration_millis",
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Help: "Last successful IAM data sync duration in milliseconds",
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Type: gaugeMetric,
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},
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Value: float64(atomic.LoadUint64(&globalIAMSys.LastRefreshDurationMilliseconds)),
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},
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{
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Description: MetricDescription{
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Namespace: nodeMetricNamespace,
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Subsystem: iamSubsystem,
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Name: "since_last_sync_millis",
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Help: "Time (in milliseconds) since last successful IAM data sync. This is set to 0 until the first sync after server start.",
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Type: gaugeMetric,
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},
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Value: float64(sinceLastSyncMillis),
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},
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{
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Description: MetricDescription{
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Namespace: nodeMetricNamespace,
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Subsystem: iamSubsystem,
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Name: "sync_successes",
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Help: "Number of successful IAM data syncs since server start.",
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Type: counterMetric,
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},
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Value: float64(atomic.LoadUint64(&globalIAMSys.TotalRefreshSuccesses)),
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},
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{
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Description: MetricDescription{
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Namespace: nodeMetricNamespace,
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Subsystem: iamSubsystem,
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Name: "sync_failures",
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Help: "Number of failed IAM data syncs since server start.",
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Type: counterMetric,
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},
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Value: float64(atomic.LoadUint64(&globalIAMSys.TotalRefreshFailures)),
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},
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}
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return metrics
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})
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return mg
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}
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func getMinioVersionMetrics() *MetricsGroup {
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mg := &MetricsGroup{}
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mg.RegisterRead(func(_ context.Context) (metrics []Metric) {
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