RepoMirrors
/
node_exporter
mirror of https://github.com/prometheus/node_exporter
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Lnstat: expose metrics from /proc/net/stat (#1771) 

* Lnstat initial commit

Signed-off-by: Aleksei Zakharov <zaharov@selectel.ru>
Co-authored-by: Johannes 'fish' Ziemke <github@freigeist.org>
This commit is contained in:
Aleksei Zakharov 2021-09-28 11:24:18 +03:00 committed by GitHub
parent aeef1edd62
commit 0e6b23c338
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
8 changed files with 261 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
README.md
View File

@ -105,6 +105,7 @@ filesystem | Exposes filesystem statistics, such as disk space used. | Darwin, D
hwmon | Expose hardware monitoring and sensor data from `/sys/class/hwmon/`. | Linux
infiniband | Exposes network statistics specific to InfiniBand and Intel OmniPath configurations. | Linux
ipvs | Exposes IPVS status from `/proc/net/ip_vs` and stats from `/proc/net/ip_vs_stats`. | Linux
lnstat | Exposes stats from `/proc/net/stat/`. | Linux
loadavg | Exposes load average. | Darwin, Dragonfly, FreeBSD, Linux, NetBSD, OpenBSD, Solaris
mdadm | Exposes statistics about devices in `/proc/mdstat` (does nothing if no `/proc/mdstat` present). | Linux
meminfo | Exposes memory statistics. | Darwin, Dragonfly, FreeBSD, Linux, OpenBSD

179
collector/fixtures/e2e-output.txt
View File

@ -1252,6 +1252,184 @@ node_ksmd_run 1
# HELP node_ksmd_sleep_seconds ksmd 'sleep_millisecs' file.
# TYPE node_ksmd_sleep_seconds gauge
node_ksmd_sleep_seconds 0.02
# HELP node_lnstat_allocs_total linux network cache stats
# TYPE node_lnstat_allocs_total counter
node_lnstat_allocs_total{cpu="0",subsystem="arp_cache"} 1
node_lnstat_allocs_total{cpu="0",subsystem="ndisc_cache"} 240
node_lnstat_allocs_total{cpu="1",subsystem="arp_cache"} 13
node_lnstat_allocs_total{cpu="1",subsystem="ndisc_cache"} 252
# HELP node_lnstat_delete_list_total linux network cache stats
# TYPE node_lnstat_delete_list_total counter
node_lnstat_delete_list_total{cpu="0",subsystem="nf_conntrack"} 0
node_lnstat_delete_list_total{cpu="1",subsystem="nf_conntrack"} 0
node_lnstat_delete_list_total{cpu="2",subsystem="nf_conntrack"} 0
node_lnstat_delete_list_total{cpu="3",subsystem="nf_conntrack"} 0
# HELP node_lnstat_delete_total linux network cache stats
# TYPE node_lnstat_delete_total counter
node_lnstat_delete_total{cpu="0",subsystem="nf_conntrack"} 0
node_lnstat_delete_total{cpu="1",subsystem="nf_conntrack"} 0
node_lnstat_delete_total{cpu="2",subsystem="nf_conntrack"} 0
node_lnstat_delete_total{cpu="3",subsystem="nf_conntrack"} 0
# HELP node_lnstat_destroys_total linux network cache stats
# TYPE node_lnstat_destroys_total counter
node_lnstat_destroys_total{cpu="0",subsystem="arp_cache"} 2
node_lnstat_destroys_total{cpu="0",subsystem="ndisc_cache"} 241
node_lnstat_destroys_total{cpu="1",subsystem="arp_cache"} 14
node_lnstat_destroys_total{cpu="1",subsystem="ndisc_cache"} 253
# HELP node_lnstat_drop_total linux network cache stats
# TYPE node_lnstat_drop_total counter
node_lnstat_drop_total{cpu="0",subsystem="nf_conntrack"} 0
node_lnstat_drop_total{cpu="1",subsystem="nf_conntrack"} 0
node_lnstat_drop_total{cpu="2",subsystem="nf_conntrack"} 0
node_lnstat_drop_total{cpu="3",subsystem="nf_conntrack"} 0
# HELP node_lnstat_early_drop_total linux network cache stats
# TYPE node_lnstat_early_drop_total counter
node_lnstat_early_drop_total{cpu="0",subsystem="nf_conntrack"} 0
node_lnstat_early_drop_total{cpu="1",subsystem="nf_conntrack"} 0
node_lnstat_early_drop_total{cpu="2",subsystem="nf_conntrack"} 0
node_lnstat_early_drop_total{cpu="3",subsystem="nf_conntrack"} 0
# HELP node_lnstat_entries_total linux network cache stats
# TYPE node_lnstat_entries_total counter
node_lnstat_entries_total{cpu="0",subsystem="arp_cache"} 20
node_lnstat_entries_total{cpu="0",subsystem="ndisc_cache"} 36
node_lnstat_entries_total{cpu="0",subsystem="nf_conntrack"} 33
node_lnstat_entries_total{cpu="1",subsystem="arp_cache"} 20
node_lnstat_entries_total{cpu="1",subsystem="ndisc_cache"} 36
node_lnstat_entries_total{cpu="1",subsystem="nf_conntrack"} 33
node_lnstat_entries_total{cpu="2",subsystem="nf_conntrack"} 33
node_lnstat_entries_total{cpu="3",subsystem="nf_conntrack"} 33
# HELP node_lnstat_expect_create_total linux network cache stats
# TYPE node_lnstat_expect_create_total counter
node_lnstat_expect_create_total{cpu="0",subsystem="nf_conntrack"} 0
node_lnstat_expect_create_total{cpu="1",subsystem="nf_conntrack"} 0
node_lnstat_expect_create_total{cpu="2",subsystem="nf_conntrack"} 0
node_lnstat_expect_create_total{cpu="3",subsystem="nf_conntrack"} 0
# HELP node_lnstat_expect_delete_total linux network cache stats
# TYPE node_lnstat_expect_delete_total counter
node_lnstat_expect_delete_total{cpu="0",subsystem="nf_conntrack"} 0
node_lnstat_expect_delete_total{cpu="1",subsystem="nf_conntrack"} 0
node_lnstat_expect_delete_total{cpu="2",subsystem="nf_conntrack"} 0
node_lnstat_expect_delete_total{cpu="3",subsystem="nf_conntrack"} 0
# HELP node_lnstat_expect_new_total linux network cache stats
# TYPE node_lnstat_expect_new_total counter
node_lnstat_expect_new_total{cpu="0",subsystem="nf_conntrack"} 0
node_lnstat_expect_new_total{cpu="1",subsystem="nf_conntrack"} 0
node_lnstat_expect_new_total{cpu="2",subsystem="nf_conntrack"} 0
node_lnstat_expect_new_total{cpu="3",subsystem="nf_conntrack"} 0
# HELP node_lnstat_forced_gc_runs_total linux network cache stats
# TYPE node_lnstat_forced_gc_runs_total counter
node_lnstat_forced_gc_runs_total{cpu="0",subsystem="arp_cache"} 10
node_lnstat_forced_gc_runs_total{cpu="0",subsystem="ndisc_cache"} 249
node_lnstat_forced_gc_runs_total{cpu="1",subsystem="arp_cache"} 22
node_lnstat_forced_gc_runs_total{cpu="1",subsystem="ndisc_cache"} 261
# HELP node_lnstat_found_total linux network cache stats
# TYPE node_lnstat_found_total counter
node_lnstat_found_total{cpu="0",subsystem="nf_conntrack"} 0
node_lnstat_found_total{cpu="1",subsystem="nf_conntrack"} 0
node_lnstat_found_total{cpu="2",subsystem="nf_conntrack"} 0
node_lnstat_found_total{cpu="3",subsystem="nf_conntrack"} 0
# HELP node_lnstat_hash_grows_total linux network cache stats
# TYPE node_lnstat_hash_grows_total counter
node_lnstat_hash_grows_total{cpu="0",subsystem="arp_cache"} 3
node_lnstat_hash_grows_total{cpu="0",subsystem="ndisc_cache"} 242
node_lnstat_hash_grows_total{cpu="1",subsystem="arp_cache"} 15
node_lnstat_hash_grows_total{cpu="1",subsystem="ndisc_cache"} 254
# HELP node_lnstat_hits_total linux network cache stats
# TYPE node_lnstat_hits_total counter
node_lnstat_hits_total{cpu="0",subsystem="arp_cache"} 5
node_lnstat_hits_total{cpu="0",subsystem="ndisc_cache"} 244
node_lnstat_hits_total{cpu="1",subsystem="arp_cache"} 17
node_lnstat_hits_total{cpu="1",subsystem="ndisc_cache"} 256
# HELP node_lnstat_icmp_error_total linux network cache stats
# TYPE node_lnstat_icmp_error_total counter
node_lnstat_icmp_error_total{cpu="0",subsystem="nf_conntrack"} 0
node_lnstat_icmp_error_total{cpu="1",subsystem="nf_conntrack"} 0
node_lnstat_icmp_error_total{cpu="2",subsystem="nf_conntrack"} 0
node_lnstat_icmp_error_total{cpu="3",subsystem="nf_conntrack"} 0
# HELP node_lnstat_ignore_total linux network cache stats
# TYPE node_lnstat_ignore_total counter
node_lnstat_ignore_total{cpu="0",subsystem="nf_conntrack"} 22666
node_lnstat_ignore_total{cpu="1",subsystem="nf_conntrack"} 22180
node_lnstat_ignore_total{cpu="2",subsystem="nf_conntrack"} 22740
node_lnstat_ignore_total{cpu="3",subsystem="nf_conntrack"} 22152
# HELP node_lnstat_insert_failed_total linux network cache stats
# TYPE node_lnstat_insert_failed_total counter
node_lnstat_insert_failed_total{cpu="0",subsystem="nf_conntrack"} 0
node_lnstat_insert_failed_total{cpu="1",subsystem="nf_conntrack"} 0
node_lnstat_insert_failed_total{cpu="2",subsystem="nf_conntrack"} 0
node_lnstat_insert_failed_total{cpu="3",subsystem="nf_conntrack"} 0
# HELP node_lnstat_insert_total linux network cache stats
# TYPE node_lnstat_insert_total counter
node_lnstat_insert_total{cpu="0",subsystem="nf_conntrack"} 0
node_lnstat_insert_total{cpu="1",subsystem="nf_conntrack"} 0
node_lnstat_insert_total{cpu="2",subsystem="nf_conntrack"} 0
node_lnstat_insert_total{cpu="3",subsystem="nf_conntrack"} 0
# HELP node_lnstat_invalid_total linux network cache stats
# TYPE node_lnstat_invalid_total counter
node_lnstat_invalid_total{cpu="0",subsystem="nf_conntrack"} 3
node_lnstat_invalid_total{cpu="1",subsystem="nf_conntrack"} 2
node_lnstat_invalid_total{cpu="2",subsystem="nf_conntrack"} 1
node_lnstat_invalid_total{cpu="3",subsystem="nf_conntrack"} 47
# HELP node_lnstat_lookups_total linux network cache stats
# TYPE node_lnstat_lookups_total counter
node_lnstat_lookups_total{cpu="0",subsystem="arp_cache"} 4
node_lnstat_lookups_total{cpu="0",subsystem="ndisc_cache"} 243
node_lnstat_lookups_total{cpu="1",subsystem="arp_cache"} 16
node_lnstat_lookups_total{cpu="1",subsystem="ndisc_cache"} 255
# HELP node_lnstat_new_total linux network cache stats
# TYPE node_lnstat_new_total counter
node_lnstat_new_total{cpu="0",subsystem="nf_conntrack"} 0
node_lnstat_new_total{cpu="1",subsystem="nf_conntrack"} 0
node_lnstat_new_total{cpu="2",subsystem="nf_conntrack"} 0
node_lnstat_new_total{cpu="3",subsystem="nf_conntrack"} 0
# HELP node_lnstat_periodic_gc_runs_total linux network cache stats
# TYPE node_lnstat_periodic_gc_runs_total counter
node_lnstat_periodic_gc_runs_total{cpu="0",subsystem="arp_cache"} 9
node_lnstat_periodic_gc_runs_total{cpu="0",subsystem="ndisc_cache"} 248
node_lnstat_periodic_gc_runs_total{cpu="1",subsystem="arp_cache"} 21
node_lnstat_periodic_gc_runs_total{cpu="1",subsystem="ndisc_cache"} 260
# HELP node_lnstat_rcv_probes_mcast_total linux network cache stats
# TYPE node_lnstat_rcv_probes_mcast_total counter
node_lnstat_rcv_probes_mcast_total{cpu="0",subsystem="arp_cache"} 7
node_lnstat_rcv_probes_mcast_total{cpu="0",subsystem="ndisc_cache"} 246
node_lnstat_rcv_probes_mcast_total{cpu="1",subsystem="arp_cache"} 19
node_lnstat_rcv_probes_mcast_total{cpu="1",subsystem="ndisc_cache"} 258
# HELP node_lnstat_rcv_probes_ucast_total linux network cache stats
# TYPE node_lnstat_rcv_probes_ucast_total counter
node_lnstat_rcv_probes_ucast_total{cpu="0",subsystem="arp_cache"} 8
node_lnstat_rcv_probes_ucast_total{cpu="0",subsystem="ndisc_cache"} 247
node_lnstat_rcv_probes_ucast_total{cpu="1",subsystem="arp_cache"} 20
node_lnstat_rcv_probes_ucast_total{cpu="1",subsystem="ndisc_cache"} 259
# HELP node_lnstat_res_failed_total linux network cache stats
# TYPE node_lnstat_res_failed_total counter
node_lnstat_res_failed_total{cpu="0",subsystem="arp_cache"} 6
node_lnstat_res_failed_total{cpu="0",subsystem="ndisc_cache"} 245
node_lnstat_res_failed_total{cpu="1",subsystem="arp_cache"} 18
node_lnstat_res_failed_total{cpu="1",subsystem="ndisc_cache"} 257
# HELP node_lnstat_search_restart_total linux network cache stats
# TYPE node_lnstat_search_restart_total counter
node_lnstat_search_restart_total{cpu="0",subsystem="nf_conntrack"} 0
node_lnstat_search_restart_total{cpu="1",subsystem="nf_conntrack"} 2
node_lnstat_search_restart_total{cpu="2",subsystem="nf_conntrack"} 1
node_lnstat_search_restart_total{cpu="3",subsystem="nf_conntrack"} 4
# HELP node_lnstat_searched_total linux network cache stats
# TYPE node_lnstat_searched_total counter
node_lnstat_searched_total{cpu="0",subsystem="nf_conntrack"} 0
node_lnstat_searched_total{cpu="1",subsystem="nf_conntrack"} 0
node_lnstat_searched_total{cpu="2",subsystem="nf_conntrack"} 0
node_lnstat_searched_total{cpu="3",subsystem="nf_conntrack"} 0
# HELP node_lnstat_table_fulls_total linux network cache stats
# TYPE node_lnstat_table_fulls_total counter
node_lnstat_table_fulls_total{cpu="0",subsystem="arp_cache"} 12
node_lnstat_table_fulls_total{cpu="0",subsystem="ndisc_cache"} 251
node_lnstat_table_fulls_total{cpu="1",subsystem="arp_cache"} 24
node_lnstat_table_fulls_total{cpu="1",subsystem="ndisc_cache"} 263
# HELP node_lnstat_unresolved_discards_total linux network cache stats
# TYPE node_lnstat_unresolved_discards_total counter
node_lnstat_unresolved_discards_total{cpu="0",subsystem="arp_cache"} 11
node_lnstat_unresolved_discards_total{cpu="0",subsystem="ndisc_cache"} 250
node_lnstat_unresolved_discards_total{cpu="1",subsystem="arp_cache"} 23
node_lnstat_unresolved_discards_total{cpu="1",subsystem="ndisc_cache"} 262
# HELP node_load1 1m load average.
# TYPE node_load1 gauge
node_load1 0.21
@ -2803,6 +2981,7 @@ node_scrape_collector_success{collector="infiniband"} 1
node_scrape_collector_success{collector="interrupts"} 1
node_scrape_collector_success{collector="ipvs"} 1
node_scrape_collector_success{collector="ksmd"} 1
node_scrape_collector_success{collector="lnstat"} 1
node_scrape_collector_success{collector="loadavg"} 1
node_scrape_collector_success{collector="mdadm"} 1
node_scrape_collector_success{collector="meminfo"} 1

3
collector/fixtures/proc/net/stat/arp_cache Normal file
View File

@ -0,0 +1,3 @@
entries allocs destroys hash_grows lookups hits res_failed rcv_probes_mcast rcv_probes_ucast periodic_gc_runs forced_gc_runs unresolved_discards table_fulls
00000014 00000001 00000002 00000003 00000004 00000005 00000006 00000007 00000008 00000009 0000000a 0000000b 0000000c
00000014 0000000d 0000000e 0000000f 00000010 00000011 00000012 00000013 00000014 00000015 00000016 00000017 00000018

3
collector/fixtures/proc/net/stat/ndisc_cache Normal file
View File

@ -0,0 +1,3 @@
entries allocs destroys hash_grows lookups hits res_failed rcv_probes_mcast rcv_probes_ucast periodic_gc_runs forced_gc_runs unresolved_discards table_fulls
00000024 000000f0 000000f1 000000f2 000000f3 000000f4 000000f5 000000f6 000000f7 000000f8 000000f9 000000fa 000000fb
00000024 000000fc 000000fd 000000fe 000000ff 00000100 00000101 00000102 00000103 00000104 00000105 00000106 00000107

71
collector/lnstat_linux.go Normal file
View File

@ -0,0 +1,71 @@
// Copyright 2015 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 !nolnstat
package collector
import (
"fmt"
"strconv"
"github.com/go-kit/log"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/procfs"
)
type lnstatCollector struct {
logger log.Logger
}
func init() {
registerCollector("lnstat", defaultEnabled, NewLnstatCollector)
}
func NewLnstatCollector(logger log.Logger) (Collector, error) {
return &lnstatCollector{logger}, nil
}
func (c *lnstatCollector) Update(ch chan<- prometheus.Metric) error {
const (
subsystem = "lnstat"
)
fs, err := procfs.NewFS(*procPath)
if err != nil {
return fmt.Errorf("failed to open procfs: %w", err)
}
netStats, err := fs.NetStat()
if err != nil {
return fmt.Errorf("Lnstat error: %s", err)
}
for _, netStatFile := range netStats {
labelNames := []string{"subsystem", "cpu"}
for header, stats := range netStatFile.Stats {
for cpu, value := range stats {
labelValues := []string{netStatFile.Filename, strconv.Itoa(cpu)}
ch <- prometheus.MustNewConstMetric(
prometheus.NewDesc(
prometheus.BuildFQName(namespace, subsystem, header+"_total"),
"linux network cache stats",
labelNames, nil,
),
prometheus.CounterValue, float64(value), labelValues...,
)
}
}
}
return nil
}

1
end-to-end-test.sh
View File

@ -21,6 +21,7 @@ enabled_collectors=$(cat << COLLECTORS
interrupts
ipvs
ksmd
lnstat
loadavg
mdadm
meminfo

2
go.mod
View File

@ -17,7 +17,7 @@ require (
github.com/prometheus/client_model v0.2.0
github.com/prometheus/common v0.29.0
github.com/prometheus/exporter-toolkit v0.6.0
github.com/prometheus/procfs v0.7.2
github.com/prometheus/procfs v0.7.3
github.com/safchain/ethtool v0.0.0-20210803160452-9aa261dae9b1
github.com/siebenmann/go-kstat v0.0.0-20210513183136-173c9b0a9973 // indirect
github.com/soundcloud/go-runit v0.0.0-20150630195641-06ad41a06c4a

4
go.sum
View File

@ -240,8 +240,8 @@ github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R
github.com/prometheus/procfs v0.0.2/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
github.com/prometheus/procfs v0.1.3/go.mod h1:lV6e/gmhEcM9IjHGsFOCxxuZ+z1YqCvr4OA4YeYWdaU=
github.com/prometheus/procfs v0.6.0/go.mod h1:cz+aTbrPOrUb4q7XlbU9ygM+/jj0fzG6c1xBZuNvfVA=
github.com/prometheus/procfs v0.7.2 h1:zE6zJjRS9S916ptrZ326OU0++1XRwHgxkvCFflxx6Fo=
github.com/prometheus/procfs v0.7.2/go.mod h1:cz+aTbrPOrUb4q7XlbU9ygM+/jj0fzG6c1xBZuNvfVA=
github.com/prometheus/procfs v0.7.3 h1:4jVXhlkAyzOScmCkXBTOLRLTz8EeU+eyjrwB/EPq0VU=
github.com/prometheus/procfs v0.7.3/go.mod h1:cz+aTbrPOrUb4q7XlbU9ygM+/jj0fzG6c1xBZuNvfVA=
github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
github.com/safchain/ethtool v0.0.0-20210803160452-9aa261dae9b1 h1:ZFfeKAhIQiiOrQaI3/znw0gOmYpO28Tcu1YaqMa/jtQ=
github.com/safchain/ethtool v0.0.0-20210803160452-9aa261dae9b1/go.mod h1:Z0q5wiBQGYcxhMZ6gUqHn6pYNLypFAvaL3UvgZLR0U4=