prometheusmetricshost-metricsmachine-metricsnode-metricsprocfsprometheus-exportersystem-informationsystem-metrics
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345 lines
19 KiB
345 lines
19 KiB
// 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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//go:build !nodiskstats |
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// +build !nodiskstats |
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package collector |
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import ( |
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"fmt" |
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"io" |
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"log/slog" |
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"strings" |
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"testing" |
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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 *slog.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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*udevDataPath = "fixtures/udev/data" |
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*diskstatsDeviceExclude = "^(z?ram|loop|fd|(h|s|v|xv)d[a-z]|nvme\\d+n\\d+p)\\d+$" |
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testcase := `# HELP node_disk_ata_rotation_rate_rpm ATA disk rotation rate in RPMs (0 for SSDs). |
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# TYPE node_disk_ata_rotation_rate_rpm gauge |
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node_disk_ata_rotation_rate_rpm{device="sda"} 7200 |
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node_disk_ata_rotation_rate_rpm{device="sdb"} 0 |
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node_disk_ata_rotation_rate_rpm{device="sdc"} 0 |
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# HELP node_disk_ata_write_cache ATA disk has a write cache. |
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# TYPE node_disk_ata_write_cache gauge |
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node_disk_ata_write_cache{device="sda"} 1 |
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node_disk_ata_write_cache{device="sdb"} 1 |
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node_disk_ata_write_cache{device="sdc"} 1 |
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# HELP node_disk_ata_write_cache_enabled ATA disk has its write cache enabled. |
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# TYPE node_disk_ata_write_cache_enabled gauge |
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node_disk_ata_write_cache_enabled{device="sda"} 0 |
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node_disk_ata_write_cache_enabled{device="sdb"} 1 |
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node_disk_ata_write_cache_enabled{device="sdc"} 0 |
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# HELP node_disk_device_mapper_info Info about disk device mapper. |
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# TYPE node_disk_device_mapper_info gauge |
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node_disk_device_mapper_info{device="dm-0",lv_layer="",lv_name="",name="nvme0n1_crypt",uuid="CRYPT-LUKS2-jolaulot80fy9zsiobkxyxo7y2dqeho2-nvme0n1_crypt",vg_name=""} 1 |
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node_disk_device_mapper_info{device="dm-1",lv_layer="",lv_name="swap_1",name="system-swap_1",uuid="LVM-wbGqQEBL9SxrW2DLntJwgg8fAv946hw3Tvjqh0v31fWgxEtD4BoHO0lROWFUY65T",vg_name="system"} 1 |
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node_disk_device_mapper_info{device="dm-2",lv_layer="",lv_name="root",name="system-root",uuid="LVM-NWEDo8q5ABDyJuC3F8veKNyWfYmeIBfFMS4MF3HakzUhkk7ekDm6fJTHkl2fYHe7",vg_name="system"} 1 |
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node_disk_device_mapper_info{device="dm-3",lv_layer="",lv_name="var",name="system-var",uuid="LVM-hrxHo0rlZ6U95ku5841Lpd17bS1Z7V7lrtEE60DVgE6YEOCdS9gcDGyonWim4hGP",vg_name="system"} 1 |
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node_disk_device_mapper_info{device="dm-4",lv_layer="",lv_name="tmp",name="system-tmp",uuid="LVM-XTNGOHjPWLHcxmJmVu5cWTXEtuzqDeBkdEHAZW5q9LxWQ2d4mb5CchUQzUPJpl8H",vg_name="system"} 1 |
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node_disk_device_mapper_info{device="dm-5",lv_layer="",lv_name="home",name="system-home",uuid="LVM-MtoJaWTpjWRXlUnNFlpxZauTEuYlMvGFutigEzCCrfj8CNh6jCRi5LQJXZCpLjPf",vg_name="system"} 1 |
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# 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_filesystem_info Info about disk filesystem. |
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# TYPE node_disk_filesystem_info gauge |
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node_disk_filesystem_info{device="dm-0",type="LVM2_member",usage="raid",uuid="c3C3uW-gD96-Yw69-c1CJ-5MwT-6ysM-mST0vB",version="LVM2 001"} 1 |
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node_disk_filesystem_info{device="dm-1",type="swap",usage="other",uuid="5272bb60-04b5-49cd-b730-be57c7604450",version="1"} 1 |
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node_disk_filesystem_info{device="dm-2",type="ext4",usage="filesystem",uuid="3deafd0d-faff-4695-8d15-51061ae1f51b",version="1.0"} 1 |
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node_disk_filesystem_info{device="dm-3",type="ext4",usage="filesystem",uuid="5c772222-f7d4-4c8e-87e8-e97df6b7a45e",version="1.0"} 1 |
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node_disk_filesystem_info{device="dm-4",type="ext4",usage="filesystem",uuid="a9479d44-60e1-4015-a1e5-bb065e6dd11b",version="1.0"} 1 |
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node_disk_filesystem_info{device="dm-5",type="ext4",usage="filesystem",uuid="b05b726a-c718-4c4d-8641-7c73a7696d83",version="1.0"} 1 |
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node_disk_filesystem_info{device="mmcblk0p1",type="vfat",usage="filesystem",uuid="6284-658D",version="FAT32"} 1 |
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node_disk_filesystem_info{device="mmcblk0p2",type="ext4",usage="filesystem",uuid="83324ce8-a6f3-4e35-ad64-dbb3d6b87a32",version="1.0"} 1 |
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node_disk_filesystem_info{device="sda",type="LVM2_member",usage="raid",uuid="cVVv6j-HSA2-IY33-1Jmj-dO2H-YL7w-b4Oxqw",version="LVM2 001"} 1 |
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node_disk_filesystem_info{device="sdc",type="LVM2_member",usage="raid",uuid="QFy9W7-Brj3-hQ6v-AF8i-3Zqg-n3Vs-kGY4vb",version="LVM2 001"} 1 |
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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",model="",path="",revision="",serial="",wwn=""} 1 |
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node_disk_info{device="dm-1",major="252",minor="1",model="",path="",revision="",serial="",wwn=""} 1 |
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node_disk_info{device="dm-2",major="252",minor="2",model="",path="",revision="",serial="",wwn=""} 1 |
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node_disk_info{device="dm-3",major="252",minor="3",model="",path="",revision="",serial="",wwn=""} 1 |
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node_disk_info{device="dm-4",major="252",minor="4",model="",path="",revision="",serial="",wwn=""} 1 |
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node_disk_info{device="dm-5",major="252",minor="5",model="",path="",revision="",serial="",wwn=""} 1 |
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node_disk_info{device="mmcblk0",major="179",minor="0",model="",path="platform-df2969f3.mmc",revision="",serial="",wwn=""} 1 |
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node_disk_info{device="mmcblk0p1",major="179",minor="1",model="",path="platform-df2969f3.mmc",revision="",serial="",wwn=""} 1 |
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node_disk_info{device="mmcblk0p2",major="179",minor="2",model="",path="platform-df2969f3.mmc",revision="",serial="",wwn=""} 1 |
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node_disk_info{device="nvme0n1",major="259",minor="0",model="SAMSUNG EHFTF55LURSY-000Y9",path="pci-0000:02:00.0-nvme-1",revision="4NBTUY95",serial="S252B6CU1HG3M1",wwn="eui.p3vbbiejx5aae2r3"} 1 |
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node_disk_info{device="sda",major="8",minor="0",model="TOSHIBA_KSDB4U86",path="pci-0000:3b:00.0-sas-phy7-lun-0",revision="0102",serial="2160A0D5FVGG",wwn="0x7c72382b8de36a64"} 1 |
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node_disk_info{device="sdb",major="8",minor="16",model="SuperMicro_SSD",path="pci-0000:00:1f.2-ata-1",revision="0R",serial="SMC0E1B87ABBB16BD84E",wwn="0xe1b87abbb16bd84e"} 1 |
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node_disk_info{device="sdc",major="8",minor="32",model="INTEL_SSDS9X9SI0",path="pci-0000:00:1f.2-ata-4",revision="0100",serial="3EWB5Y25CWQWA7EH1U",wwn="0x58907ddc573a5de"} 1 |
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node_disk_info{device="sr0",major="11",minor="0",model="Virtual_CDROM0",path="pci-0000:00:14.0-usb-0:1.1:1.0-scsi-0:0:0:0",revision="1.00",serial="AAAABBBBCCCC1",wwn=""} 1 |
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node_disk_info{device="vda",major="254",minor="0",model="",path="pci-0000:00:06.0",revision="",serial="",wwn=""} 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 |
|
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 := slog.New(slog.NewTextHandler(io.Discard, nil)) |
|
collector, err := NewDiskstatsCollector(logger) |
|
if err != nil { |
|
t.Fatal(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) |
|
} |
|
}
|
|
|