mirror of
https://github.com/prometheus/node_exporter.git
synced 2024-12-20 23:46:09 +01:00
333 lines
11 KiB
Go
333 lines
11 KiB
Go
// Copyright 2018 The Prometheus Authors
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
// +build solaris
|
|
|
|
package collector
|
|
|
|
import (
|
|
"strings"
|
|
|
|
"github.com/go-kit/kit/log"
|
|
"github.com/prometheus/client_golang/prometheus"
|
|
"github.com/siebenmann/go-kstat"
|
|
)
|
|
|
|
type zfsCollector struct {
|
|
abdstatsLinearCount *prometheus.Desc
|
|
abdstatsLinearDataSize *prometheus.Desc
|
|
abdstatsScatterChunkWaste *prometheus.Desc
|
|
abdstatsScatterCount *prometheus.Desc
|
|
abdstatsScatterDataSize *prometheus.Desc
|
|
abdstatsStructSize *prometheus.Desc
|
|
arcstatsAnonSize *prometheus.Desc
|
|
arcstatsC *prometheus.Desc
|
|
arcstatsCMax *prometheus.Desc
|
|
arcstatsCMin *prometheus.Desc
|
|
arcstatsDataSize *prometheus.Desc
|
|
arcstatsDemandDataHits *prometheus.Desc
|
|
arcstatsDemandDataMisses *prometheus.Desc
|
|
arcstatsDemandMetadataHits *prometheus.Desc
|
|
arcstatsDemandMetadataMisses *prometheus.Desc
|
|
arcstatsHeaderSize *prometheus.Desc
|
|
arcstatsHits *prometheus.Desc
|
|
arcstatsMisses *prometheus.Desc
|
|
arcstatsMFUGhostHits *prometheus.Desc
|
|
arcstatsMFUGhostSize *prometheus.Desc
|
|
arcstatsMFUSize *prometheus.Desc
|
|
arcstatsMRUGhostHits *prometheus.Desc
|
|
arcstatsMRUGhostSize *prometheus.Desc
|
|
arcstatsMRUSize *prometheus.Desc
|
|
arcstatsOtherSize *prometheus.Desc
|
|
arcstatsP *prometheus.Desc
|
|
arcstatsSize *prometheus.Desc
|
|
zfetchstatsHits *prometheus.Desc
|
|
zfetchstatsMisses *prometheus.Desc
|
|
logger log.Logger
|
|
}
|
|
|
|
const (
|
|
zfsCollectorSubsystem = "zfs"
|
|
)
|
|
|
|
func init() {
|
|
registerCollector("zfs", defaultEnabled, NewZfsCollector)
|
|
}
|
|
|
|
func NewZfsCollector(logger log.Logger) (Collector, error) {
|
|
return &zfsCollector{
|
|
abdstatsLinearCount: prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, zfsCollectorSubsystem, "abdstats_linear_count_total"),
|
|
"ZFS ARC buffer data linear count", nil, nil,
|
|
),
|
|
abdstatsLinearDataSize: prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, zfsCollectorSubsystem, "abdstats_linear_data_bytes"),
|
|
"ZFS ARC buffer data linear data size", nil, nil,
|
|
),
|
|
abdstatsScatterChunkWaste: prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, zfsCollectorSubsystem, "abdstats_scatter_chunk_waste_bytes"),
|
|
"ZFS ARC buffer data scatter chunk waste", nil, nil,
|
|
),
|
|
abdstatsScatterCount: prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, zfsCollectorSubsystem, "abdstats_scatter_count_total"),
|
|
"ZFS ARC buffer data scatter count", nil, nil,
|
|
),
|
|
abdstatsScatterDataSize: prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, zfsCollectorSubsystem, "abdstats_scatter_data_bytes"),
|
|
"ZFS ARC buffer data scatter data size", nil, nil,
|
|
),
|
|
abdstatsStructSize: prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, zfsCollectorSubsystem, "abdstats_struct_bytes"),
|
|
"ZFS ARC buffer data struct size", nil, nil,
|
|
),
|
|
arcstatsAnonSize: prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, zfsCollectorSubsystem, "arcstats_anon_bytes"),
|
|
"ZFS ARC anon size", nil, nil,
|
|
),
|
|
arcstatsC: prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, zfsCollectorSubsystem, "arcstats_c_bytes"),
|
|
"ZFS ARC target size", nil, nil,
|
|
),
|
|
arcstatsCMax: prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, zfsCollectorSubsystem, "arcstats_c_max_bytes"),
|
|
"ZFS ARC maximum size", nil, nil,
|
|
),
|
|
arcstatsCMin: prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, zfsCollectorSubsystem, "arcstats_c_min_bytes"),
|
|
"ZFS ARC minimum size", nil, nil,
|
|
),
|
|
arcstatsDataSize: prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, zfsCollectorSubsystem, "arcstats_data_bytes"),
|
|
"ZFS ARC data size", nil, nil,
|
|
),
|
|
arcstatsDemandDataHits: prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, zfsCollectorSubsystem, "arcstats_demand_data_hits_total"),
|
|
"ZFS ARC demand data hits", nil, nil,
|
|
),
|
|
arcstatsDemandDataMisses: prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, zfsCollectorSubsystem, "arcstats_demand_data_misses_total"),
|
|
"ZFS ARC demand data misses", nil, nil,
|
|
),
|
|
arcstatsDemandMetadataHits: prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, zfsCollectorSubsystem, "arcstats_demand_metadata_hits_total"),
|
|
"ZFS ARC demand metadata hits", nil, nil,
|
|
),
|
|
arcstatsDemandMetadataMisses: prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, zfsCollectorSubsystem, "arcstats_demand_metadata_misses_total"),
|
|
"ZFS ARC demand metadata misses", nil, nil,
|
|
),
|
|
arcstatsHeaderSize: prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, zfsCollectorSubsystem, "arcstats_hdr_bytes"),
|
|
"ZFS ARC header size", nil, nil,
|
|
),
|
|
arcstatsHits: prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, zfsCollectorSubsystem, "arcstats_hits_total"),
|
|
"ZFS ARC hits", nil, nil,
|
|
),
|
|
arcstatsMisses: prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, zfsCollectorSubsystem, "arcstats_misses_total"),
|
|
"ZFS ARC misses", nil, nil,
|
|
),
|
|
arcstatsMFUGhostHits: prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, zfsCollectorSubsystem, "arcstats_mfu_ghost_hits_total"),
|
|
"ZFS ARC MFU ghost hits", nil, nil,
|
|
),
|
|
arcstatsMFUGhostSize: prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, zfsCollectorSubsystem, "arcstats_mfu_ghost_size"),
|
|
"ZFS ARC MFU ghost size", nil, nil,
|
|
),
|
|
arcstatsMFUSize: prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, zfsCollectorSubsystem, "arcstats_mfu_bytes"),
|
|
"ZFS ARC MFU size", nil, nil,
|
|
),
|
|
arcstatsMRUGhostHits: prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, zfsCollectorSubsystem, "arcstats_mru_ghost_hits_total"),
|
|
"ZFS ARC MRU ghost hits", nil, nil,
|
|
),
|
|
arcstatsMRUGhostSize: prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, zfsCollectorSubsystem, "arcstats_mru_ghost_bytes"),
|
|
"ZFS ARC MRU ghost size", nil, nil,
|
|
),
|
|
arcstatsMRUSize: prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, zfsCollectorSubsystem, "arcstats_mru_bytes"),
|
|
"ZFS ARC MRU size", nil, nil,
|
|
),
|
|
arcstatsOtherSize: prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, zfsCollectorSubsystem, "arcstats_other_bytes"),
|
|
"ZFS ARC other size", nil, nil,
|
|
),
|
|
arcstatsP: prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, zfsCollectorSubsystem, "arcstats_p_bytes"),
|
|
"ZFS ARC MRU target size", nil, nil,
|
|
),
|
|
arcstatsSize: prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, zfsCollectorSubsystem, "arcstats_size_bytes"),
|
|
"ZFS ARC size", nil, nil,
|
|
),
|
|
zfetchstatsHits: prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, zfsCollectorSubsystem, "zfetchstats_hits_total"),
|
|
"ZFS cache fetch hits", nil, nil,
|
|
),
|
|
zfetchstatsMisses: prometheus.NewDesc(
|
|
prometheus.BuildFQName(namespace, zfsCollectorSubsystem, "zfetchstats_misses_total"),
|
|
"ZFS cache fetch misses", nil, nil,
|
|
),
|
|
logger: logger,
|
|
}, nil
|
|
}
|
|
|
|
func (c *zfsCollector) updateZfsAbdStats(ch chan<- prometheus.Metric) error {
|
|
var metricType prometheus.ValueType
|
|
|
|
tok, err := kstat.Open()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
defer tok.Close()
|
|
|
|
ksZFSInfo, err := tok.Lookup("zfs", 0, "abdstats")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
for k, v := range map[string]*prometheus.Desc{
|
|
"linear_cnt": c.abdstatsLinearCount,
|
|
"linear_data_size": c.abdstatsLinearDataSize,
|
|
"scatter_chunk_waste": c.abdstatsScatterChunkWaste,
|
|
"scatter_cnt": c.abdstatsScatterCount,
|
|
"scatter_data_size": c.abdstatsScatterDataSize,
|
|
"struct_size": c.abdstatsStructSize,
|
|
} {
|
|
ksZFSInfoValue, err := ksZFSInfo.GetNamed(k)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if strings.HasSuffix(k, "_cnt") {
|
|
metricType = prometheus.CounterValue
|
|
} else {
|
|
metricType = prometheus.GaugeValue
|
|
}
|
|
|
|
ch <- prometheus.MustNewConstMetric(
|
|
v,
|
|
metricType,
|
|
float64(ksZFSInfoValue.UintVal),
|
|
)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (c *zfsCollector) updateZfsArcStats(ch chan<- prometheus.Metric) error {
|
|
var metricType prometheus.ValueType
|
|
|
|
tok, err := kstat.Open()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
defer tok.Close()
|
|
|
|
ksZFSInfo, err := tok.Lookup("zfs", 0, "arcstats")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
for k, v := range map[string]*prometheus.Desc{
|
|
"anon_size": c.arcstatsAnonSize,
|
|
"c": c.arcstatsC,
|
|
"c_max": c.arcstatsCMax,
|
|
"c_min": c.arcstatsCMin,
|
|
"data_size": c.arcstatsDataSize,
|
|
"demand_data_hits": c.arcstatsDemandDataHits,
|
|
"demand_data_misses": c.arcstatsDemandDataMisses,
|
|
"demand_metadata_hits": c.arcstatsDemandMetadataHits,
|
|
"demand_metadata_misses": c.arcstatsDemandMetadataMisses,
|
|
"hdr_size": c.arcstatsHeaderSize,
|
|
"hits": c.arcstatsHits,
|
|
"misses": c.arcstatsMisses,
|
|
"mfu_ghost_hits": c.arcstatsMFUGhostHits,
|
|
"mfu_ghost_size": c.arcstatsMFUGhostSize,
|
|
"mfu_size": c.arcstatsMFUSize,
|
|
"mru_ghost_hits": c.arcstatsMRUGhostHits,
|
|
"mru_ghost_size": c.arcstatsMRUGhostSize,
|
|
"mru_size": c.arcstatsMRUSize,
|
|
"other_size": c.arcstatsOtherSize,
|
|
"p": c.arcstatsP,
|
|
"size": c.arcstatsSize,
|
|
} {
|
|
ksZFSInfoValue, err := ksZFSInfo.GetNamed(k)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if strings.HasSuffix(k, "_hits") || strings.HasSuffix(k, "_misses") {
|
|
metricType = prometheus.CounterValue
|
|
} else {
|
|
metricType = prometheus.GaugeValue
|
|
}
|
|
|
|
ch <- prometheus.MustNewConstMetric(
|
|
v,
|
|
metricType,
|
|
float64(ksZFSInfoValue.UintVal),
|
|
)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (c *zfsCollector) updateZfsFetchStats(ch chan<- prometheus.Metric) error {
|
|
tok, err := kstat.Open()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
defer tok.Close()
|
|
|
|
ksZFSInfo, err := tok.Lookup("zfs", 0, "zfetchstats")
|
|
|
|
for k, v := range map[string]*prometheus.Desc{
|
|
"hits": c.zfetchstatsHits,
|
|
"misses": c.zfetchstatsMisses,
|
|
} {
|
|
ksZFSInfoValue, err := ksZFSInfo.GetNamed(k)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
ch <- prometheus.MustNewConstMetric(
|
|
v,
|
|
prometheus.CounterValue,
|
|
float64(ksZFSInfoValue.UintVal),
|
|
)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (c *zfsCollector) Update(ch chan<- prometheus.Metric) error {
|
|
if err := c.updateZfsAbdStats(ch); err != nil {
|
|
return err
|
|
}
|
|
if err := c.updateZfsArcStats(ch); err != nil {
|
|
return err
|
|
}
|
|
if err := c.updateZfsFetchStats(ch); err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}
|