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Add cluster notification metrics in metrics-v3 (#19533)

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Signed-off-by: Bala.FA <bala@minio.io>
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Bala FA 2024-04-24 09:40:35 +05:30 committed by GitHub
parent f3a52cc195
commit 14cdadfb56
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51
cmd/metrics-v3-cluster-notification.go Normal file
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@ -0,0 +1,51 @@
// Copyright (c) 2024 MinIO, Inc.
//
// # This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package cmd
import (
"context"
)
const (
notificationCurrentSendInProgress = "current_send_in_progress"
notificationEventsErrorsTotal = "events_errors_total"
notificationEventsSentTotal = "events_sent_total"
notificationEventsSkippedTotal = "events_skipped_total"
)
var (
notificationCurrentSendInProgressMD = NewCounterMD(notificationCurrentSendInProgress, "Number of concurrent async Send calls active to all targets")
notificationEventsErrorsTotalMD = NewCounterMD(notificationEventsErrorsTotal, "Events that were failed to be sent to the targets")
notificationEventsSentTotalMD = NewCounterMD(notificationEventsSentTotal, "Total number of events sent to the targets")
notificationEventsSkippedTotalMD = NewCounterMD(notificationEventsSkippedTotal, "Events that were skipped to be sent to the targets due to the in-memory queue being full")
)
// loadClusterNotificationMetrics - `MetricsLoaderFn` for cluster notification metrics.
func loadClusterNotificationMetrics(_ context.Context, m MetricValues, _ *metricsCache) error {
if globalEventNotifier == nil {
return nil
}
nstats := globalEventNotifier.targetList.Stats()
m.Set(notificationCurrentSendInProgress, float64(nstats.CurrentSendCalls))
m.Set(notificationEventsErrorsTotal, float64(nstats.EventsErrorsTotal))
m.Set(notificationEventsSentTotal, float64(nstats.TotalEvents))
m.Set(notificationEventsSkippedTotal, float64(nstats.EventsSkipped))
return nil
}

12
cmd/metrics-v3.go
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@ -45,6 +45,7 @@ const (
clusterUsageBucketsCollectorPath collectorPath = "/cluster/usage/buckets"
clusterErasureSetCollectorPath collectorPath = "/cluster/erasure-set"
clusterAuditCollectorPath collectorPath = "/cluster/audit"
clusterNotificationCollectorPath collectorPath = "/cluster/notification"
)
const (
@ -243,6 +244,16 @@ func newMetricGroups(r *prometheus.Registry) *metricsV3Collection {
loadClusterAuditMetrics,
)
clusterNotificationMG := NewMetricsGroup(clusterNotificationCollectorPath,
[]MetricDescriptor{
notificationCurrentSendInProgressMD,
notificationEventsErrorsTotalMD,
notificationEventsSentTotalMD,
notificationEventsSkippedTotalMD,
},
loadClusterNotificationMetrics,
)
allMetricGroups := []*MetricsGroup{
apiRequestsMG,
apiBucketMG,
@ -257,6 +268,7 @@ func newMetricGroups(r *prometheus.Registry) *metricsV3Collection {
clusterUsageBucketsMG,
clusterErasureSetMG,
clusterAuditMG,
clusterNotificationMG,
}
// Bucket metrics are special, they always include the bucket label. These

9
docs/metrics/v3.md
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@ -221,3 +221,12 @@ The standard metrics groups for ProcessCollector and GoCollector are not shown b
| `minio_cluster_erasure_set_online_drives_count` | `gauge` | Count of online drives in the erasure set in a pool | `pool_id,set_id` |
| `minio_cluster_erasure_set_healing_drives_count` | `gauge` | Count of healing drives in the erasure set in a pool | `pool_id,set_id` |
| `minio_cluster_erasure_set_health` | `gauge` | Health of the erasure set in a pool (1=healthy, 0=unhealthy) | `pool_id,set_id` |
### `/cluster/notification`
| Name | Type | Help | Labels |
|-------------------------------------------------------|-----------|------------------------------------------------------------------------------------------|--------|
| `minio_cluster_notification_current_send_in_progress` | `counter` | Number of concurrent async Send calls active to all targets | |
| `minio_cluster_notification_events_errors_total` | `counter` | Events that were failed to be sent to the targets | |
| `minio_cluster_notification_events_sent_total` | `counter` | Total number of events sent to the targets | |
| `minio_cluster_notification_events_skipped_total` | `counter` | Events that were skipped to be sent to the targets due to the in-memory queue being full | |