mirror of
https://github.com/prometheus/node_exporter.git
synced 2024-12-03 15:31:05 +01:00
0aec407666
* Refactor diskstats_linux to use procfs. * Add `node_disk_info` metric. Signed-off-by: W. Andrew Denton <git@flying-snail.net> Co-authored-by: W. Andrew Denton <git@flying-snail.net>
307 lines
14 KiB
Go
307 lines
14 KiB
Go
// 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.
|
|
|
|
package collector
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"strings"
|
|
"testing"
|
|
|
|
"github.com/go-kit/log"
|
|
"github.com/prometheus/client_golang/prometheus"
|
|
"github.com/prometheus/client_golang/prometheus/testutil"
|
|
)
|
|
|
|
type testDiskStatsCollector struct {
|
|
dsc Collector
|
|
}
|
|
|
|
func (c testDiskStatsCollector) Collect(ch chan<- prometheus.Metric) {
|
|
c.dsc.Update(ch)
|
|
}
|
|
|
|
func (c testDiskStatsCollector) Describe(ch chan<- *prometheus.Desc) {
|
|
prometheus.DescribeByCollect(c, ch)
|
|
}
|
|
|
|
func NewTestDiskStatsCollector(logger log.Logger) (prometheus.Collector, error) {
|
|
dsc, err := NewDiskstatsCollector(logger)
|
|
if err != nil {
|
|
return testDiskStatsCollector{}, err
|
|
}
|
|
return testDiskStatsCollector{
|
|
dsc: dsc,
|
|
}, err
|
|
}
|
|
|
|
func TestDiskStats(t *testing.T) {
|
|
*sysPath = "fixtures/sys"
|
|
*procPath = "fixtures/proc"
|
|
*ignoredDevices = "^(ram|loop|fd|(h|s|v|xv)d[a-z]|nvme\\d+n\\d+p)\\d+$"
|
|
testcase := `# HELP node_disk_discard_time_seconds_total This is the total number of seconds spent by all discards.
|
|
# TYPE node_disk_discard_time_seconds_total counter
|
|
node_disk_discard_time_seconds_total{device="sdb"} 11.13
|
|
node_disk_discard_time_seconds_total{device="sdc"} 11.13
|
|
# HELP node_disk_discarded_sectors_total The total number of sectors discarded successfully.
|
|
# TYPE node_disk_discarded_sectors_total counter
|
|
node_disk_discarded_sectors_total{device="sdb"} 1.925173784e+09
|
|
node_disk_discarded_sectors_total{device="sdc"} 1.25173784e+08
|
|
# HELP node_disk_discards_completed_total The total number of discards completed successfully.
|
|
# TYPE node_disk_discards_completed_total counter
|
|
node_disk_discards_completed_total{device="sdb"} 68851
|
|
node_disk_discards_completed_total{device="sdc"} 18851
|
|
# HELP node_disk_discards_merged_total The total number of discards merged.
|
|
# TYPE node_disk_discards_merged_total counter
|
|
node_disk_discards_merged_total{device="sdb"} 0
|
|
node_disk_discards_merged_total{device="sdc"} 0
|
|
# HELP node_disk_flush_requests_time_seconds_total This is the total number of seconds spent by all flush requests.
|
|
# TYPE node_disk_flush_requests_time_seconds_total counter
|
|
node_disk_flush_requests_time_seconds_total{device="sdc"} 1.944
|
|
# HELP node_disk_flush_requests_total The total number of flush requests completed successfully
|
|
# TYPE node_disk_flush_requests_total counter
|
|
node_disk_flush_requests_total{device="sdc"} 1555
|
|
# HELP node_disk_info Info of /sys/block/<block_device>.
|
|
# TYPE node_disk_info gauge
|
|
node_disk_info{device="dm-0",major="252",minor="0"} 1
|
|
node_disk_info{device="dm-1",major="252",minor="1"} 1
|
|
node_disk_info{device="dm-2",major="252",minor="2"} 1
|
|
node_disk_info{device="dm-3",major="252",minor="3"} 1
|
|
node_disk_info{device="dm-4",major="252",minor="4"} 1
|
|
node_disk_info{device="dm-5",major="252",minor="5"} 1
|
|
node_disk_info{device="mmcblk0",major="179",minor="0"} 1
|
|
node_disk_info{device="mmcblk0p1",major="179",minor="1"} 1
|
|
node_disk_info{device="mmcblk0p2",major="179",minor="2"} 1
|
|
node_disk_info{device="nvme0n1",major="259",minor="0"} 1
|
|
node_disk_info{device="sda",major="8",minor="0"} 1
|
|
node_disk_info{device="sdb",major="8",minor="0"} 1
|
|
node_disk_info{device="sdc",major="8",minor="0"} 1
|
|
node_disk_info{device="sr0",major="11",minor="0"} 1
|
|
node_disk_info{device="vda",major="254",minor="0"} 1
|
|
# HELP node_disk_io_now The number of I/Os currently in progress.
|
|
# TYPE node_disk_io_now gauge
|
|
node_disk_io_now{device="dm-0"} 0
|
|
node_disk_io_now{device="dm-1"} 0
|
|
node_disk_io_now{device="dm-2"} 0
|
|
node_disk_io_now{device="dm-3"} 0
|
|
node_disk_io_now{device="dm-4"} 0
|
|
node_disk_io_now{device="dm-5"} 0
|
|
node_disk_io_now{device="mmcblk0"} 0
|
|
node_disk_io_now{device="mmcblk0p1"} 0
|
|
node_disk_io_now{device="mmcblk0p2"} 0
|
|
node_disk_io_now{device="nvme0n1"} 0
|
|
node_disk_io_now{device="sda"} 0
|
|
node_disk_io_now{device="sdb"} 0
|
|
node_disk_io_now{device="sdc"} 0
|
|
node_disk_io_now{device="sr0"} 0
|
|
node_disk_io_now{device="vda"} 0
|
|
# HELP node_disk_io_time_seconds_total Total seconds spent doing I/Os.
|
|
# TYPE node_disk_io_time_seconds_total counter
|
|
node_disk_io_time_seconds_total{device="dm-0"} 11325.968
|
|
node_disk_io_time_seconds_total{device="dm-1"} 0.076
|
|
node_disk_io_time_seconds_total{device="dm-2"} 65.4
|
|
node_disk_io_time_seconds_total{device="dm-3"} 0.016
|
|
node_disk_io_time_seconds_total{device="dm-4"} 0.024
|
|
node_disk_io_time_seconds_total{device="dm-5"} 58.848
|
|
node_disk_io_time_seconds_total{device="mmcblk0"} 0.136
|
|
node_disk_io_time_seconds_total{device="mmcblk0p1"} 0.024
|
|
node_disk_io_time_seconds_total{device="mmcblk0p2"} 0.068
|
|
node_disk_io_time_seconds_total{device="nvme0n1"} 222.766
|
|
node_disk_io_time_seconds_total{device="sda"} 9653.880000000001
|
|
node_disk_io_time_seconds_total{device="sdb"} 60.730000000000004
|
|
node_disk_io_time_seconds_total{device="sdc"} 10.73
|
|
node_disk_io_time_seconds_total{device="sr0"} 0
|
|
node_disk_io_time_seconds_total{device="vda"} 41614.592000000004
|
|
# HELP node_disk_io_time_weighted_seconds_total The weighted # of seconds spent doing I/Os.
|
|
# TYPE node_disk_io_time_weighted_seconds_total counter
|
|
node_disk_io_time_weighted_seconds_total{device="dm-0"} 1.206301256e+06
|
|
node_disk_io_time_weighted_seconds_total{device="dm-1"} 0.084
|
|
node_disk_io_time_weighted_seconds_total{device="dm-2"} 129.416
|
|
node_disk_io_time_weighted_seconds_total{device="dm-3"} 0.10400000000000001
|
|
node_disk_io_time_weighted_seconds_total{device="dm-4"} 0.044
|
|
node_disk_io_time_weighted_seconds_total{device="dm-5"} 105.632
|
|
node_disk_io_time_weighted_seconds_total{device="mmcblk0"} 0.156
|
|
node_disk_io_time_weighted_seconds_total{device="mmcblk0p1"} 0.024
|
|
node_disk_io_time_weighted_seconds_total{device="mmcblk0p2"} 0.068
|
|
node_disk_io_time_weighted_seconds_total{device="nvme0n1"} 1032.546
|
|
node_disk_io_time_weighted_seconds_total{device="sda"} 82621.804
|
|
node_disk_io_time_weighted_seconds_total{device="sdb"} 67.07000000000001
|
|
node_disk_io_time_weighted_seconds_total{device="sdc"} 17.07
|
|
node_disk_io_time_weighted_seconds_total{device="sr0"} 0
|
|
node_disk_io_time_weighted_seconds_total{device="vda"} 2.0778722280000001e+06
|
|
# HELP node_disk_read_bytes_total The total number of bytes read successfully.
|
|
# TYPE node_disk_read_bytes_total counter
|
|
node_disk_read_bytes_total{device="dm-0"} 5.13708655616e+11
|
|
node_disk_read_bytes_total{device="dm-1"} 1.589248e+06
|
|
node_disk_read_bytes_total{device="dm-2"} 1.578752e+08
|
|
node_disk_read_bytes_total{device="dm-3"} 1.98144e+06
|
|
node_disk_read_bytes_total{device="dm-4"} 529408
|
|
node_disk_read_bytes_total{device="dm-5"} 4.3150848e+07
|
|
node_disk_read_bytes_total{device="mmcblk0"} 798720
|
|
node_disk_read_bytes_total{device="mmcblk0p1"} 81920
|
|
node_disk_read_bytes_total{device="mmcblk0p2"} 389120
|
|
node_disk_read_bytes_total{device="nvme0n1"} 2.377714176e+09
|
|
node_disk_read_bytes_total{device="sda"} 5.13713216512e+11
|
|
node_disk_read_bytes_total{device="sdb"} 4.944782848e+09
|
|
node_disk_read_bytes_total{device="sdc"} 8.48782848e+08
|
|
node_disk_read_bytes_total{device="sr0"} 0
|
|
node_disk_read_bytes_total{device="vda"} 1.6727491584e+10
|
|
# HELP node_disk_read_time_seconds_total The total number of seconds spent by all reads.
|
|
# TYPE node_disk_read_time_seconds_total counter
|
|
node_disk_read_time_seconds_total{device="dm-0"} 46229.572
|
|
node_disk_read_time_seconds_total{device="dm-1"} 0.084
|
|
node_disk_read_time_seconds_total{device="dm-2"} 6.5360000000000005
|
|
node_disk_read_time_seconds_total{device="dm-3"} 0.10400000000000001
|
|
node_disk_read_time_seconds_total{device="dm-4"} 0.028
|
|
node_disk_read_time_seconds_total{device="dm-5"} 0.924
|
|
node_disk_read_time_seconds_total{device="mmcblk0"} 0.156
|
|
node_disk_read_time_seconds_total{device="mmcblk0p1"} 0.024
|
|
node_disk_read_time_seconds_total{device="mmcblk0p2"} 0.068
|
|
node_disk_read_time_seconds_total{device="nvme0n1"} 21.650000000000002
|
|
node_disk_read_time_seconds_total{device="sda"} 18492.372
|
|
node_disk_read_time_seconds_total{device="sdb"} 0.084
|
|
node_disk_read_time_seconds_total{device="sdc"} 0.014
|
|
node_disk_read_time_seconds_total{device="sr0"} 0
|
|
node_disk_read_time_seconds_total{device="vda"} 8655.768
|
|
# HELP node_disk_reads_completed_total The total number of reads completed successfully.
|
|
# TYPE node_disk_reads_completed_total counter
|
|
node_disk_reads_completed_total{device="dm-0"} 5.9910002e+07
|
|
node_disk_reads_completed_total{device="dm-1"} 388
|
|
node_disk_reads_completed_total{device="dm-2"} 11571
|
|
node_disk_reads_completed_total{device="dm-3"} 3870
|
|
node_disk_reads_completed_total{device="dm-4"} 392
|
|
node_disk_reads_completed_total{device="dm-5"} 3729
|
|
node_disk_reads_completed_total{device="mmcblk0"} 192
|
|
node_disk_reads_completed_total{device="mmcblk0p1"} 17
|
|
node_disk_reads_completed_total{device="mmcblk0p2"} 95
|
|
node_disk_reads_completed_total{device="nvme0n1"} 47114
|
|
node_disk_reads_completed_total{device="sda"} 2.5354637e+07
|
|
node_disk_reads_completed_total{device="sdb"} 326552
|
|
node_disk_reads_completed_total{device="sdc"} 126552
|
|
node_disk_reads_completed_total{device="sr0"} 0
|
|
node_disk_reads_completed_total{device="vda"} 1.775784e+06
|
|
# HELP node_disk_reads_merged_total The total number of reads merged.
|
|
# TYPE node_disk_reads_merged_total counter
|
|
node_disk_reads_merged_total{device="dm-0"} 0
|
|
node_disk_reads_merged_total{device="dm-1"} 0
|
|
node_disk_reads_merged_total{device="dm-2"} 0
|
|
node_disk_reads_merged_total{device="dm-3"} 0
|
|
node_disk_reads_merged_total{device="dm-4"} 0
|
|
node_disk_reads_merged_total{device="dm-5"} 0
|
|
node_disk_reads_merged_total{device="mmcblk0"} 3
|
|
node_disk_reads_merged_total{device="mmcblk0p1"} 3
|
|
node_disk_reads_merged_total{device="mmcblk0p2"} 0
|
|
node_disk_reads_merged_total{device="nvme0n1"} 4
|
|
node_disk_reads_merged_total{device="sda"} 3.4367663e+07
|
|
node_disk_reads_merged_total{device="sdb"} 841
|
|
node_disk_reads_merged_total{device="sdc"} 141
|
|
node_disk_reads_merged_total{device="sr0"} 0
|
|
node_disk_reads_merged_total{device="vda"} 15386
|
|
# HELP node_disk_write_time_seconds_total This is the total number of seconds spent by all writes.
|
|
# TYPE node_disk_write_time_seconds_total counter
|
|
node_disk_write_time_seconds_total{device="dm-0"} 1.1585578e+06
|
|
node_disk_write_time_seconds_total{device="dm-1"} 0
|
|
node_disk_write_time_seconds_total{device="dm-2"} 122.884
|
|
node_disk_write_time_seconds_total{device="dm-3"} 0
|
|
node_disk_write_time_seconds_total{device="dm-4"} 0.016
|
|
node_disk_write_time_seconds_total{device="dm-5"} 104.684
|
|
node_disk_write_time_seconds_total{device="mmcblk0"} 0
|
|
node_disk_write_time_seconds_total{device="mmcblk0p1"} 0
|
|
node_disk_write_time_seconds_total{device="mmcblk0p2"} 0
|
|
node_disk_write_time_seconds_total{device="nvme0n1"} 1011.053
|
|
node_disk_write_time_seconds_total{device="sda"} 63877.96
|
|
node_disk_write_time_seconds_total{device="sdb"} 5.007
|
|
node_disk_write_time_seconds_total{device="sdc"} 1.0070000000000001
|
|
node_disk_write_time_seconds_total{device="sr0"} 0
|
|
node_disk_write_time_seconds_total{device="vda"} 2.069221364e+06
|
|
# HELP node_disk_writes_completed_total The total number of writes completed successfully.
|
|
# TYPE node_disk_writes_completed_total counter
|
|
node_disk_writes_completed_total{device="dm-0"} 3.9231014e+07
|
|
node_disk_writes_completed_total{device="dm-1"} 74
|
|
node_disk_writes_completed_total{device="dm-2"} 153522
|
|
node_disk_writes_completed_total{device="dm-3"} 0
|
|
node_disk_writes_completed_total{device="dm-4"} 38
|
|
node_disk_writes_completed_total{device="dm-5"} 98918
|
|
node_disk_writes_completed_total{device="mmcblk0"} 0
|
|
node_disk_writes_completed_total{device="mmcblk0p1"} 0
|
|
node_disk_writes_completed_total{device="mmcblk0p2"} 0
|
|
node_disk_writes_completed_total{device="nvme0n1"} 1.07832e+06
|
|
node_disk_writes_completed_total{device="sda"} 2.8444756e+07
|
|
node_disk_writes_completed_total{device="sdb"} 41822
|
|
node_disk_writes_completed_total{device="sdc"} 11822
|
|
node_disk_writes_completed_total{device="sr0"} 0
|
|
node_disk_writes_completed_total{device="vda"} 6.038856e+06
|
|
# HELP node_disk_writes_merged_total The number of writes merged.
|
|
# TYPE node_disk_writes_merged_total counter
|
|
node_disk_writes_merged_total{device="dm-0"} 0
|
|
node_disk_writes_merged_total{device="dm-1"} 0
|
|
node_disk_writes_merged_total{device="dm-2"} 0
|
|
node_disk_writes_merged_total{device="dm-3"} 0
|
|
node_disk_writes_merged_total{device="dm-4"} 0
|
|
node_disk_writes_merged_total{device="dm-5"} 0
|
|
node_disk_writes_merged_total{device="mmcblk0"} 0
|
|
node_disk_writes_merged_total{device="mmcblk0p1"} 0
|
|
node_disk_writes_merged_total{device="mmcblk0p2"} 0
|
|
node_disk_writes_merged_total{device="nvme0n1"} 43950
|
|
node_disk_writes_merged_total{device="sda"} 1.1134226e+07
|
|
node_disk_writes_merged_total{device="sdb"} 2895
|
|
node_disk_writes_merged_total{device="sdc"} 1895
|
|
node_disk_writes_merged_total{device="sr0"} 0
|
|
node_disk_writes_merged_total{device="vda"} 2.0711856e+07
|
|
# HELP node_disk_written_bytes_total The total number of bytes written successfully.
|
|
# TYPE node_disk_written_bytes_total counter
|
|
node_disk_written_bytes_total{device="dm-0"} 2.5891680256e+11
|
|
node_disk_written_bytes_total{device="dm-1"} 303104
|
|
node_disk_written_bytes_total{device="dm-2"} 2.607828992e+09
|
|
node_disk_written_bytes_total{device="dm-3"} 0
|
|
node_disk_written_bytes_total{device="dm-4"} 70144
|
|
node_disk_written_bytes_total{device="dm-5"} 5.89664256e+08
|
|
node_disk_written_bytes_total{device="mmcblk0"} 0
|
|
node_disk_written_bytes_total{device="mmcblk0p1"} 0
|
|
node_disk_written_bytes_total{device="mmcblk0p2"} 0
|
|
node_disk_written_bytes_total{device="nvme0n1"} 2.0199236096e+10
|
|
node_disk_written_bytes_total{device="sda"} 2.58916880384e+11
|
|
node_disk_written_bytes_total{device="sdb"} 1.01012736e+09
|
|
node_disk_written_bytes_total{device="sdc"} 8.852736e+07
|
|
node_disk_written_bytes_total{device="sr0"} 0
|
|
node_disk_written_bytes_total{device="vda"} 1.0938236928e+11
|
|
`
|
|
|
|
logger := log.NewLogfmtLogger(os.Stderr)
|
|
collector, err := NewDiskstatsCollector(logger)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
c, err := NewTestDiskStatsCollector(logger)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
reg := prometheus.NewRegistry()
|
|
reg.MustRegister(c)
|
|
|
|
sink := make(chan prometheus.Metric)
|
|
go func() {
|
|
err = collector.Update(sink)
|
|
if err != nil {
|
|
panic(fmt.Errorf("failed to update collector: %s", err))
|
|
}
|
|
close(sink)
|
|
}()
|
|
|
|
err = testutil.GatherAndCompare(reg, strings.NewReader(testcase))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|