307 lines
14 KiB
Go
307 lines
14 KiB
Go
// Copyright 2015 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package collector
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import (
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"fmt"
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"os"
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"strings"
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"testing"
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"github.com/go-kit/log"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/testutil"
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)
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type testDiskStatsCollector struct {
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dsc Collector
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}
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func (c testDiskStatsCollector) Collect(ch chan<- prometheus.Metric) {
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c.dsc.Update(ch)
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}
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func (c testDiskStatsCollector) Describe(ch chan<- *prometheus.Desc) {
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prometheus.DescribeByCollect(c, ch)
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}
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func NewTestDiskStatsCollector(logger log.Logger) (prometheus.Collector, error) {
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dsc, err := NewDiskstatsCollector(logger)
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if err != nil {
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return testDiskStatsCollector{}, err
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}
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return testDiskStatsCollector{
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dsc: dsc,
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}, err
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}
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func TestDiskStats(t *testing.T) {
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*sysPath = "fixtures/sys"
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*procPath = "fixtures/proc"
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*ignoredDevices = "^(ram|loop|fd|(h|s|v|xv)d[a-z]|nvme\\d+n\\d+p)\\d+$"
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testcase := `# HELP node_disk_discard_time_seconds_total This is the total number of seconds spent by all discards.
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# TYPE node_disk_discard_time_seconds_total counter
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node_disk_discard_time_seconds_total{device="sdb"} 11.13
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node_disk_discard_time_seconds_total{device="sdc"} 11.13
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# HELP node_disk_discarded_sectors_total The total number of sectors discarded successfully.
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# TYPE node_disk_discarded_sectors_total counter
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node_disk_discarded_sectors_total{device="sdb"} 1.925173784e+09
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node_disk_discarded_sectors_total{device="sdc"} 1.25173784e+08
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# HELP node_disk_discards_completed_total The total number of discards completed successfully.
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# TYPE node_disk_discards_completed_total counter
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node_disk_discards_completed_total{device="sdb"} 68851
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node_disk_discards_completed_total{device="sdc"} 18851
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# HELP node_disk_discards_merged_total The total number of discards merged.
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# TYPE node_disk_discards_merged_total counter
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node_disk_discards_merged_total{device="sdb"} 0
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node_disk_discards_merged_total{device="sdc"} 0
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# HELP node_disk_flush_requests_time_seconds_total This is the total number of seconds spent by all flush requests.
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# TYPE node_disk_flush_requests_time_seconds_total counter
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node_disk_flush_requests_time_seconds_total{device="sdc"} 1.944
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# HELP node_disk_flush_requests_total The total number of flush requests completed successfully
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# TYPE node_disk_flush_requests_total counter
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node_disk_flush_requests_total{device="sdc"} 1555
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# HELP node_disk_info Info of /sys/block/<block_device>.
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# TYPE node_disk_info gauge
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node_disk_info{device="dm-0",major="252",minor="0"} 1
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node_disk_info{device="dm-1",major="252",minor="1"} 1
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node_disk_info{device="dm-2",major="252",minor="2"} 1
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node_disk_info{device="dm-3",major="252",minor="3"} 1
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node_disk_info{device="dm-4",major="252",minor="4"} 1
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node_disk_info{device="dm-5",major="252",minor="5"} 1
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node_disk_info{device="mmcblk0",major="179",minor="0"} 1
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node_disk_info{device="mmcblk0p1",major="179",minor="1"} 1
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node_disk_info{device="mmcblk0p2",major="179",minor="2"} 1
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node_disk_info{device="nvme0n1",major="259",minor="0"} 1
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node_disk_info{device="sda",major="8",minor="0"} 1
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node_disk_info{device="sdb",major="8",minor="0"} 1
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node_disk_info{device="sdc",major="8",minor="0"} 1
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node_disk_info{device="sr0",major="11",minor="0"} 1
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node_disk_info{device="vda",major="254",minor="0"} 1
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# HELP node_disk_io_now The number of I/Os currently in progress.
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# TYPE node_disk_io_now gauge
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node_disk_io_now{device="dm-0"} 0
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node_disk_io_now{device="dm-1"} 0
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node_disk_io_now{device="dm-2"} 0
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node_disk_io_now{device="dm-3"} 0
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node_disk_io_now{device="dm-4"} 0
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node_disk_io_now{device="dm-5"} 0
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node_disk_io_now{device="mmcblk0"} 0
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node_disk_io_now{device="mmcblk0p1"} 0
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node_disk_io_now{device="mmcblk0p2"} 0
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node_disk_io_now{device="nvme0n1"} 0
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node_disk_io_now{device="sda"} 0
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node_disk_io_now{device="sdb"} 0
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node_disk_io_now{device="sdc"} 0
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node_disk_io_now{device="sr0"} 0
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node_disk_io_now{device="vda"} 0
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# HELP node_disk_io_time_seconds_total Total seconds spent doing I/Os.
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# TYPE node_disk_io_time_seconds_total counter
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node_disk_io_time_seconds_total{device="dm-0"} 11325.968
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node_disk_io_time_seconds_total{device="dm-1"} 0.076
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node_disk_io_time_seconds_total{device="dm-2"} 65.4
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node_disk_io_time_seconds_total{device="dm-3"} 0.016
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node_disk_io_time_seconds_total{device="dm-4"} 0.024
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node_disk_io_time_seconds_total{device="dm-5"} 58.848
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node_disk_io_time_seconds_total{device="mmcblk0"} 0.136
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node_disk_io_time_seconds_total{device="mmcblk0p1"} 0.024
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node_disk_io_time_seconds_total{device="mmcblk0p2"} 0.068
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node_disk_io_time_seconds_total{device="nvme0n1"} 222.766
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node_disk_io_time_seconds_total{device="sda"} 9653.880000000001
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node_disk_io_time_seconds_total{device="sdb"} 60.730000000000004
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node_disk_io_time_seconds_total{device="sdc"} 10.73
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node_disk_io_time_seconds_total{device="sr0"} 0
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node_disk_io_time_seconds_total{device="vda"} 41614.592000000004
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# HELP node_disk_io_time_weighted_seconds_total The weighted # of seconds spent doing I/Os.
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# TYPE node_disk_io_time_weighted_seconds_total counter
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node_disk_io_time_weighted_seconds_total{device="dm-0"} 1.206301256e+06
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node_disk_io_time_weighted_seconds_total{device="dm-1"} 0.084
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node_disk_io_time_weighted_seconds_total{device="dm-2"} 129.416
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node_disk_io_time_weighted_seconds_total{device="dm-3"} 0.10400000000000001
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node_disk_io_time_weighted_seconds_total{device="dm-4"} 0.044
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node_disk_io_time_weighted_seconds_total{device="dm-5"} 105.632
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node_disk_io_time_weighted_seconds_total{device="mmcblk0"} 0.156
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node_disk_io_time_weighted_seconds_total{device="mmcblk0p1"} 0.024
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node_disk_io_time_weighted_seconds_total{device="mmcblk0p2"} 0.068
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node_disk_io_time_weighted_seconds_total{device="nvme0n1"} 1032.546
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node_disk_io_time_weighted_seconds_total{device="sda"} 82621.804
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node_disk_io_time_weighted_seconds_total{device="sdb"} 67.07000000000001
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node_disk_io_time_weighted_seconds_total{device="sdc"} 17.07
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node_disk_io_time_weighted_seconds_total{device="sr0"} 0
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node_disk_io_time_weighted_seconds_total{device="vda"} 2.0778722280000001e+06
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# HELP node_disk_read_bytes_total The total number of bytes read successfully.
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# TYPE node_disk_read_bytes_total counter
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node_disk_read_bytes_total{device="dm-0"} 5.13708655616e+11
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node_disk_read_bytes_total{device="dm-1"} 1.589248e+06
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node_disk_read_bytes_total{device="dm-2"} 1.578752e+08
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node_disk_read_bytes_total{device="dm-3"} 1.98144e+06
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node_disk_read_bytes_total{device="dm-4"} 529408
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node_disk_read_bytes_total{device="dm-5"} 4.3150848e+07
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node_disk_read_bytes_total{device="mmcblk0"} 798720
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node_disk_read_bytes_total{device="mmcblk0p1"} 81920
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node_disk_read_bytes_total{device="mmcblk0p2"} 389120
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node_disk_read_bytes_total{device="nvme0n1"} 2.377714176e+09
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node_disk_read_bytes_total{device="sda"} 5.13713216512e+11
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node_disk_read_bytes_total{device="sdb"} 4.944782848e+09
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node_disk_read_bytes_total{device="sdc"} 8.48782848e+08
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node_disk_read_bytes_total{device="sr0"} 0
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node_disk_read_bytes_total{device="vda"} 1.6727491584e+10
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# HELP node_disk_read_time_seconds_total The total number of seconds spent by all reads.
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# TYPE node_disk_read_time_seconds_total counter
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node_disk_read_time_seconds_total{device="dm-0"} 46229.572
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node_disk_read_time_seconds_total{device="dm-1"} 0.084
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node_disk_read_time_seconds_total{device="dm-2"} 6.5360000000000005
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node_disk_read_time_seconds_total{device="dm-3"} 0.10400000000000001
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node_disk_read_time_seconds_total{device="dm-4"} 0.028
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node_disk_read_time_seconds_total{device="dm-5"} 0.924
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node_disk_read_time_seconds_total{device="mmcblk0"} 0.156
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node_disk_read_time_seconds_total{device="mmcblk0p1"} 0.024
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node_disk_read_time_seconds_total{device="mmcblk0p2"} 0.068
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node_disk_read_time_seconds_total{device="nvme0n1"} 21.650000000000002
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node_disk_read_time_seconds_total{device="sda"} 18492.372
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node_disk_read_time_seconds_total{device="sdb"} 0.084
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node_disk_read_time_seconds_total{device="sdc"} 0.014
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node_disk_read_time_seconds_total{device="sr0"} 0
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node_disk_read_time_seconds_total{device="vda"} 8655.768
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# HELP node_disk_reads_completed_total The total number of reads completed successfully.
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# TYPE node_disk_reads_completed_total counter
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node_disk_reads_completed_total{device="dm-0"} 5.9910002e+07
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node_disk_reads_completed_total{device="dm-1"} 388
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node_disk_reads_completed_total{device="dm-2"} 11571
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node_disk_reads_completed_total{device="dm-3"} 3870
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node_disk_reads_completed_total{device="dm-4"} 392
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node_disk_reads_completed_total{device="dm-5"} 3729
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node_disk_reads_completed_total{device="mmcblk0"} 192
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node_disk_reads_completed_total{device="mmcblk0p1"} 17
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node_disk_reads_completed_total{device="mmcblk0p2"} 95
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node_disk_reads_completed_total{device="nvme0n1"} 47114
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node_disk_reads_completed_total{device="sda"} 2.5354637e+07
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node_disk_reads_completed_total{device="sdb"} 326552
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node_disk_reads_completed_total{device="sdc"} 126552
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node_disk_reads_completed_total{device="sr0"} 0
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node_disk_reads_completed_total{device="vda"} 1.775784e+06
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# HELP node_disk_reads_merged_total The total number of reads merged.
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# TYPE node_disk_reads_merged_total counter
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node_disk_reads_merged_total{device="dm-0"} 0
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node_disk_reads_merged_total{device="dm-1"} 0
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node_disk_reads_merged_total{device="dm-2"} 0
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node_disk_reads_merged_total{device="dm-3"} 0
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node_disk_reads_merged_total{device="dm-4"} 0
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node_disk_reads_merged_total{device="dm-5"} 0
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node_disk_reads_merged_total{device="mmcblk0"} 3
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node_disk_reads_merged_total{device="mmcblk0p1"} 3
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node_disk_reads_merged_total{device="mmcblk0p2"} 0
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node_disk_reads_merged_total{device="nvme0n1"} 4
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node_disk_reads_merged_total{device="sda"} 3.4367663e+07
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node_disk_reads_merged_total{device="sdb"} 841
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node_disk_reads_merged_total{device="sdc"} 141
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node_disk_reads_merged_total{device="sr0"} 0
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node_disk_reads_merged_total{device="vda"} 15386
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# HELP node_disk_write_time_seconds_total This is the total number of seconds spent by all writes.
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# TYPE node_disk_write_time_seconds_total counter
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node_disk_write_time_seconds_total{device="dm-0"} 1.1585578e+06
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node_disk_write_time_seconds_total{device="dm-1"} 0
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node_disk_write_time_seconds_total{device="dm-2"} 122.884
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node_disk_write_time_seconds_total{device="dm-3"} 0
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node_disk_write_time_seconds_total{device="dm-4"} 0.016
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node_disk_write_time_seconds_total{device="dm-5"} 104.684
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node_disk_write_time_seconds_total{device="mmcblk0"} 0
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node_disk_write_time_seconds_total{device="mmcblk0p1"} 0
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node_disk_write_time_seconds_total{device="mmcblk0p2"} 0
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node_disk_write_time_seconds_total{device="nvme0n1"} 1011.053
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node_disk_write_time_seconds_total{device="sda"} 63877.96
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node_disk_write_time_seconds_total{device="sdb"} 5.007
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node_disk_write_time_seconds_total{device="sdc"} 1.0070000000000001
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node_disk_write_time_seconds_total{device="sr0"} 0
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node_disk_write_time_seconds_total{device="vda"} 2.069221364e+06
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# HELP node_disk_writes_completed_total The total number of writes completed successfully.
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# TYPE node_disk_writes_completed_total counter
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node_disk_writes_completed_total{device="dm-0"} 3.9231014e+07
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node_disk_writes_completed_total{device="dm-1"} 74
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node_disk_writes_completed_total{device="dm-2"} 153522
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node_disk_writes_completed_total{device="dm-3"} 0
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node_disk_writes_completed_total{device="dm-4"} 38
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node_disk_writes_completed_total{device="dm-5"} 98918
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node_disk_writes_completed_total{device="mmcblk0"} 0
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node_disk_writes_completed_total{device="mmcblk0p1"} 0
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node_disk_writes_completed_total{device="mmcblk0p2"} 0
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node_disk_writes_completed_total{device="nvme0n1"} 1.07832e+06
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node_disk_writes_completed_total{device="sda"} 2.8444756e+07
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node_disk_writes_completed_total{device="sdb"} 41822
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node_disk_writes_completed_total{device="sdc"} 11822
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node_disk_writes_completed_total{device="sr0"} 0
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node_disk_writes_completed_total{device="vda"} 6.038856e+06
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# HELP node_disk_writes_merged_total The number of writes merged.
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# TYPE node_disk_writes_merged_total counter
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node_disk_writes_merged_total{device="dm-0"} 0
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node_disk_writes_merged_total{device="dm-1"} 0
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node_disk_writes_merged_total{device="dm-2"} 0
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node_disk_writes_merged_total{device="dm-3"} 0
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node_disk_writes_merged_total{device="dm-4"} 0
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node_disk_writes_merged_total{device="dm-5"} 0
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node_disk_writes_merged_total{device="mmcblk0"} 0
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node_disk_writes_merged_total{device="mmcblk0p1"} 0
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node_disk_writes_merged_total{device="mmcblk0p2"} 0
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node_disk_writes_merged_total{device="nvme0n1"} 43950
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node_disk_writes_merged_total{device="sda"} 1.1134226e+07
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node_disk_writes_merged_total{device="sdb"} 2895
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node_disk_writes_merged_total{device="sdc"} 1895
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node_disk_writes_merged_total{device="sr0"} 0
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node_disk_writes_merged_total{device="vda"} 2.0711856e+07
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# HELP node_disk_written_bytes_total The total number of bytes written successfully.
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# TYPE node_disk_written_bytes_total counter
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node_disk_written_bytes_total{device="dm-0"} 2.5891680256e+11
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node_disk_written_bytes_total{device="dm-1"} 303104
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node_disk_written_bytes_total{device="dm-2"} 2.607828992e+09
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node_disk_written_bytes_total{device="dm-3"} 0
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node_disk_written_bytes_total{device="dm-4"} 70144
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node_disk_written_bytes_total{device="dm-5"} 5.89664256e+08
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node_disk_written_bytes_total{device="mmcblk0"} 0
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node_disk_written_bytes_total{device="mmcblk0p1"} 0
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node_disk_written_bytes_total{device="mmcblk0p2"} 0
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node_disk_written_bytes_total{device="nvme0n1"} 2.0199236096e+10
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node_disk_written_bytes_total{device="sda"} 2.58916880384e+11
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node_disk_written_bytes_total{device="sdb"} 1.01012736e+09
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node_disk_written_bytes_total{device="sdc"} 8.852736e+07
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node_disk_written_bytes_total{device="sr0"} 0
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node_disk_written_bytes_total{device="vda"} 1.0938236928e+11
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`
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logger := log.NewLogfmtLogger(os.Stderr)
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collector, err := NewDiskstatsCollector(logger)
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if err != nil {
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panic(err)
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}
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c, err := NewTestDiskStatsCollector(logger)
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if err != nil {
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t.Fatal(err)
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}
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reg := prometheus.NewRegistry()
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reg.MustRegister(c)
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sink := make(chan prometheus.Metric)
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go func() {
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err = collector.Update(sink)
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if err != nil {
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panic(fmt.Errorf("failed to update collector: %s", err))
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}
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close(sink)
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}()
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err = testutil.GatherAndCompare(reg, strings.NewReader(testcase))
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if err != nil {
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t.Fatal(err)
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}
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}
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