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metrics: collect the metrics of nydusd events
Collect the metrics of nydus daemon events, including INIT, RUNNING and DIED. Signed-off-by: Bin Tang <tangbin.bin@bytedance.com>
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,27 @@ | ||
/* | ||
* Copyright (c) 2022. Nydus Developers. All rights reserved. | ||
* | ||
* SPDX-License-Identifier: Apache-2.0 | ||
*/ | ||
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package daemon | ||
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import ( | ||
"github.com/prometheus/client_golang/prometheus" | ||
) | ||
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var ( | ||
daemonIDLabel = "daemon_id" | ||
timeLabel = "time" | ||
eventLabel = "event" | ||
) | ||
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var ( | ||
NydusdEvent = prometheus.NewCounterVec( | ||
prometheus.CounterOpts{ | ||
Name: "nydusd_lifetime_events", | ||
Help: "The lifetime events of nydus daemon.", | ||
}, | ||
[]string{daemonIDLabel, timeLabel, eventLabel}, | ||
) | ||
) |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,41 @@ | ||
package exporter | ||
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import ( | ||
"time" | ||
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"github.com/containerd/nydus-snapshotter/pkg/daemon/types" | ||
"github.com/containerd/nydus-snapshotter/pkg/metrics/exporter/daemon" | ||
"github.com/containerd/nydus-snapshotter/pkg/metrics/exporter/fs" | ||
"github.com/pkg/errors" | ||
) | ||
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func RecordFsMetrics(m *types.FsMetrics, imageRef string) error { | ||
if _, err := getExporter(); err != nil { | ||
return err | ||
} | ||
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fs.ReadCount.WithLabelValues(imageRef).Set(float64(m.DataRead)) | ||
fs.OpenFdCount.WithLabelValues(imageRef).Set(float64(m.NrOpens)) | ||
fs.OpenFdMaxCount.WithLabelValues(imageRef).Set(float64(m.NrMaxOpens)) | ||
fs.LastFopTimestamp.WithLabelValues(imageRef).Set(float64(m.LastFopTp)) | ||
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for _, h := range fs.MetricHists { | ||
o, err := h.ToConstHistogram(m, imageRef) | ||
if err != nil { | ||
return errors.Wrapf(err, "failed to new const histogram for %s", h.Desc.String()) | ||
} | ||
h.Save(o) | ||
} | ||
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return nil | ||
} | ||
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func RecordDaemonEvent(daemonID string, event string) error { | ||
if _, err := getExporter(); err != nil { | ||
return err | ||
} | ||
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daemon.NydusdEvent.WithLabelValues(daemonID, time.Now().Format("2006-01-02 15:04:05.000"), event).Inc() | ||
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return nil | ||
} |
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