mirror of
https://github.com/prometheus/node_exporter.git
synced 2025-03-05 21:00:12 -08:00
I have no idea how the code in node_exporter prometheus compiles.
This commit is contained in:
matt durham
parent
f491eb14df
commit
a372120527
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@ -18,13 +18,9 @@ package collector
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import (
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"fmt"
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"strings"
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"github.com/go-kit/log"
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"github.com/go-kit/log/level"
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"github.com/prometheus/client_golang/prometheus"
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"golang.org/x/sys/unix"
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)
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type zfsCollector struct {
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@ -37,7 +33,7 @@ const (
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)
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func init() {
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registerCollector(zfsCollectorSubsystem, defaultEnabled, NewZfsCollector)
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registerCollector("zfs", defaultEnabled, NewZfsCollector)
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}
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func NewZfsCollector(config *NodeCollectorConfig, logger log.Logger) (Collector, error) {
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@ -49,7 +45,6 @@ func NewZfsCollector(config *NodeCollectorConfig, logger log.Logger) (Collector,
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mib: "kstat.zfs.misc.abdstats.linear_cnt",
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dataType: bsdSysctlTypeUint64,
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valueType: prometheus.CounterValue,
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labels: nil,
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},
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{
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name: "abdstats_linear_data_bytes",
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@ -57,7 +52,6 @@ func NewZfsCollector(config *NodeCollectorConfig, logger log.Logger) (Collector,
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mib: "kstat.zfs.misc.abdstats.linear_data_size",
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dataType: bsdSysctlTypeUint64,
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valueType: prometheus.GaugeValue,
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labels: nil,
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},
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{
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name: "abdstats_scatter_chunk_waste_bytes",
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@ -65,7 +59,6 @@ func NewZfsCollector(config *NodeCollectorConfig, logger log.Logger) (Collector,
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mib: "kstat.zfs.misc.abdstats.scatter_chunk_waste",
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dataType: bsdSysctlTypeUint64,
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valueType: prometheus.GaugeValue,
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labels: nil,
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},
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{
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name: "abdstats_scatter_count_total",
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@ -73,7 +66,6 @@ func NewZfsCollector(config *NodeCollectorConfig, logger log.Logger) (Collector,
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mib: "kstat.zfs.misc.abdstats.scatter_cnt",
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dataType: bsdSysctlTypeUint64,
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valueType: prometheus.CounterValue,
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labels: nil,
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},
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{
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name: "abdstats_scatter_data_bytes",
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@ -81,7 +73,6 @@ func NewZfsCollector(config *NodeCollectorConfig, logger log.Logger) (Collector,
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mib: "kstat.zfs.misc.abdstats.scatter_data_size",
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dataType: bsdSysctlTypeUint64,
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valueType: prometheus.GaugeValue,
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labels: nil,
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},
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{
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name: "abdstats_struct_bytes",
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@ -89,7 +80,6 @@ func NewZfsCollector(config *NodeCollectorConfig, logger log.Logger) (Collector,
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mib: "kstat.zfs.misc.abdstats.struct_size",
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dataType: bsdSysctlTypeUint64,
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valueType: prometheus.GaugeValue,
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labels: nil,
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},
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{
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name: "arcstats_anon_bytes",
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@ -97,7 +87,6 @@ func NewZfsCollector(config *NodeCollectorConfig, logger log.Logger) (Collector,
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mib: "kstat.zfs.misc.arcstats.anon_size",
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dataType: bsdSysctlTypeUint64,
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valueType: prometheus.GaugeValue,
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labels: nil,
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},
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{
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name: "arcstats_c_bytes",
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@ -105,7 +94,6 @@ func NewZfsCollector(config *NodeCollectorConfig, logger log.Logger) (Collector,
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mib: "kstat.zfs.misc.arcstats.c",
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dataType: bsdSysctlTypeUint64,
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valueType: prometheus.GaugeValue,
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labels: nil,
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},
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{
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name: "arcstats_c_max_bytes",
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@ -113,7 +101,6 @@ func NewZfsCollector(config *NodeCollectorConfig, logger log.Logger) (Collector,
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mib: "kstat.zfs.misc.arcstats.c_max",
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dataType: bsdSysctlTypeUint64,
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valueType: prometheus.GaugeValue,
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labels: nil,
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},
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{
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name: "arcstats_c_min_bytes",
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@ -121,7 +108,6 @@ func NewZfsCollector(config *NodeCollectorConfig, logger log.Logger) (Collector,
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mib: "kstat.zfs.misc.arcstats.c_min",
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dataType: bsdSysctlTypeUint64,
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valueType: prometheus.GaugeValue,
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labels: nil,
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},
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{
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name: "arcstats_data_bytes",
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@ -129,7 +115,6 @@ func NewZfsCollector(config *NodeCollectorConfig, logger log.Logger) (Collector,
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mib: "kstat.zfs.misc.arcstats.data_size",
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dataType: bsdSysctlTypeUint64,
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valueType: prometheus.GaugeValue,
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labels: nil,
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},
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{
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name: "arcstats_demand_data_hits_total",
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@ -137,7 +122,6 @@ func NewZfsCollector(config *NodeCollectorConfig, logger log.Logger) (Collector,
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mib: "kstat.zfs.misc.arcstats.demand_data_hits",
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dataType: bsdSysctlTypeUint64,
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valueType: prometheus.CounterValue,
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labels: nil,
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},
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{
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name: "arcstats_demand_data_misses_total",
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@ -145,7 +129,6 @@ func NewZfsCollector(config *NodeCollectorConfig, logger log.Logger) (Collector,
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mib: "kstat.zfs.misc.arcstats.demand_data_misses",
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dataType: bsdSysctlTypeUint64,
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valueType: prometheus.CounterValue,
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labels: nil,
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},
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{
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name: "arcstats_demand_metadata_hits_total",
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@ -153,7 +136,6 @@ func NewZfsCollector(config *NodeCollectorConfig, logger log.Logger) (Collector,
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mib: "kstat.zfs.misc.arcstats.demand_metadata_hits",
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dataType: bsdSysctlTypeUint64,
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valueType: prometheus.CounterValue,
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labels: nil,
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},
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{
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name: "arcstats_demand_metadata_misses_total",
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@ -161,7 +143,6 @@ func NewZfsCollector(config *NodeCollectorConfig, logger log.Logger) (Collector,
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mib: "kstat.zfs.misc.arcstats.demand_metadata_misses",
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dataType: bsdSysctlTypeUint64,
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valueType: prometheus.CounterValue,
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labels: nil,
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},
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{
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name: "arcstats_hdr_bytes",
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@ -169,7 +150,6 @@ func NewZfsCollector(config *NodeCollectorConfig, logger log.Logger) (Collector,
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mib: "kstat.zfs.misc.arcstats.hdr_size",
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dataType: bsdSysctlTypeUint64,
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valueType: prometheus.GaugeValue,
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labels: nil,
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},
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{
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name: "arcstats_hits_total",
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@ -177,7 +157,6 @@ func NewZfsCollector(config *NodeCollectorConfig, logger log.Logger) (Collector,
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mib: "kstat.zfs.misc.arcstats.hits",
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dataType: bsdSysctlTypeUint64,
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valueType: prometheus.CounterValue,
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labels: nil,
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},
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{
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name: "arcstats_misses_total",
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@ -185,7 +164,6 @@ func NewZfsCollector(config *NodeCollectorConfig, logger log.Logger) (Collector,
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mib: "kstat.zfs.misc.arcstats.misses",
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dataType: bsdSysctlTypeUint64,
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valueType: prometheus.CounterValue,
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labels: nil,
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},
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{
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name: "arcstats_mfu_ghost_hits_total",
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@ -193,7 +171,6 @@ func NewZfsCollector(config *NodeCollectorConfig, logger log.Logger) (Collector,
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mib: "kstat.zfs.misc.arcstats.mfu_ghost_hits",
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dataType: bsdSysctlTypeUint64,
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valueType: prometheus.CounterValue,
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labels: nil,
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},
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{
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name: "arcstats_mfu_ghost_size",
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@ -201,7 +178,6 @@ func NewZfsCollector(config *NodeCollectorConfig, logger log.Logger) (Collector,
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mib: "kstat.zfs.misc.arcstats.mfu_ghost_size",
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dataType: bsdSysctlTypeUint64,
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valueType: prometheus.GaugeValue,
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labels: nil,
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},
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{
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name: "arcstats_mfu_bytes",
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@ -209,7 +185,6 @@ func NewZfsCollector(config *NodeCollectorConfig, logger log.Logger) (Collector,
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mib: "kstat.zfs.misc.arcstats.mfu_size",
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dataType: bsdSysctlTypeUint64,
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valueType: prometheus.GaugeValue,
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labels: nil,
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},
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{
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name: "arcstats_mru_ghost_hits_total",
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@ -217,7 +192,6 @@ func NewZfsCollector(config *NodeCollectorConfig, logger log.Logger) (Collector,
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mib: "kstat.zfs.misc.arcstats.mru_ghost_hits",
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dataType: bsdSysctlTypeUint64,
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valueType: prometheus.CounterValue,
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labels: nil,
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},
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{
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name: "arcstats_mru_ghost_bytes",
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@ -225,7 +199,6 @@ func NewZfsCollector(config *NodeCollectorConfig, logger log.Logger) (Collector,
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mib: "kstat.zfs.misc.arcstats.mru_ghost_size",
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dataType: bsdSysctlTypeUint64,
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valueType: prometheus.GaugeValue,
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labels: nil,
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},
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{
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name: "arcstats_mru_bytes",
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@ -233,7 +206,6 @@ func NewZfsCollector(config *NodeCollectorConfig, logger log.Logger) (Collector,
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mib: "kstat.zfs.misc.arcstats.mru_size",
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dataType: bsdSysctlTypeUint64,
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valueType: prometheus.GaugeValue,
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labels: nil,
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},
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{
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name: "arcstats_other_bytes",
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@ -241,37 +213,13 @@ func NewZfsCollector(config *NodeCollectorConfig, logger log.Logger) (Collector,
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mib: "kstat.zfs.misc.arcstats.other_size",
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dataType: bsdSysctlTypeUint64,
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valueType: prometheus.GaugeValue,
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labels: nil,
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},
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// when FreeBSD 14.0+, `meta/pm/pd` install of `p`.
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{
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name: "arcstats_p_bytes",
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description: "ZFS ARC MRU target size",
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mib: "kstat.zfs.misc.arcstats.p",
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dataType: bsdSysctlTypeUint64,
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valueType: prometheus.GaugeValue,
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labels: nil,
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},
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{
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name: "arcstats_meta_bytes",
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description: "ZFS ARC metadata target frac ",
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mib: "kstat.zfs.misc.arcstats.meta",
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dataType: bsdSysctlTypeUint64,
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valueType: prometheus.GaugeValue,
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},
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{
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name: "arcstats_pd_bytes",
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description: "ZFS ARC data MRU target frac",
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mib: "kstat.zfs.misc.arcstats.pd",
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dataType: bsdSysctlTypeUint64,
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valueType: prometheus.GaugeValue,
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},
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{
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name: "arcstats_pm_bytes",
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description: "ZFS ARC meta MRU target frac",
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mib: "kstat.zfs.misc.arcstats.pm",
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dataType: bsdSysctlTypeUint64,
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valueType: prometheus.GaugeValue,
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},
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{
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name: "arcstats_size_bytes",
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@ -279,7 +227,6 @@ func NewZfsCollector(config *NodeCollectorConfig, logger log.Logger) (Collector,
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mib: "kstat.zfs.misc.arcstats.size",
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dataType: bsdSysctlTypeUint64,
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valueType: prometheus.GaugeValue,
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labels: nil,
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},
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{
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name: "zfetchstats_hits_total",
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@ -287,7 +234,6 @@ func NewZfsCollector(config *NodeCollectorConfig, logger log.Logger) (Collector,
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mib: "kstat.zfs.misc.zfetchstats.hits",
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dataType: bsdSysctlTypeUint64,
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valueType: prometheus.CounterValue,
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labels: nil,
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},
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{
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name: "zfetchstats_misses_total",
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@ -295,7 +241,6 @@ func NewZfsCollector(config *NodeCollectorConfig, logger log.Logger) (Collector,
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mib: "kstat.zfs.misc.zfetchstats.misses",
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dataType: bsdSysctlTypeUint64,
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valueType: prometheus.CounterValue,
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labels: nil,
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},
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},
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logger: logger,
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@ -306,9 +251,7 @@ func (c *zfsCollector) Update(ch chan<- prometheus.Metric) error {
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for _, m := range c.sysctls {
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v, err := m.Value()
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if err != nil {
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// debug logging
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level.Debug(c.logger).Log("name", m.name, "couldn't get sysctl:", err)
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continue
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return fmt.Errorf("couldn't get sysctl: %w", err)
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}
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ch <- prometheus.MustNewConstMetric(
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@ -321,42 +264,3 @@ func (c *zfsCollector) Update(ch chan<- prometheus.Metric) error {
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return nil
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}
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func (c *zfsCollector) parseFreeBSDPoolObjsetStats() error {
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sysCtlMetrics := []string{
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"nunlinked", "nunlinks", "nread", "reads", "nwritten", "writes",
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}
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zfsPoolMibPrefix := "kstat.zfs.pool.dataset"
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zfsDatasetsNames := []string{}
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zfsDatasets, err := unix.Sysctl(zfsPoolMibPrefix)
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if err != nil {
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return fmt.Errorf("couldn't get sysctl: %w", err)
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}
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for dataset, _ := range zfsDatasets {
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if strings.HasSuffix(dataset, ".dataset_name") {
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zfsDatasetsNames = append(zfsDatasetsNames, strings.SplitAfter(dataset, ".")[3])
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}
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}
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for _, zpoolDataset := range zfsDatasetsNames {
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zfsDatasetLabels := map[string]string{
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"dataset": zpoolDataset,
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"zpool": strings.SplitAfter(zpoolDataset, "/")[0],
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}
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for metric := range sysCtlMetrics {
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c.sysctls = append(c.sysctls, bsdSysctl{
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name: fmt.SprintF("node_zfs_zpool_dataset_%s", metric),
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description: fmt.SprintF("node_zfs_zpool_dataset_%s", metric),
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mib: fmt.Sprintf("%s.%s.%s", zfsPoolMibPrefix, poolObj, metric),
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dataType: bsdSysctlTypeUint64,
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valueType: prometheus.CounterValue,
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labels: zfsDatasetLabels,
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})
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}
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}
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return nil
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}
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