295 lines
13 KiB
Go
295 lines
13 KiB
Go
// Copyright 2024 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 !nomdadm
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// +build !nomdadm
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package collector
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import (
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"log/slog"
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"os"
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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 testMdadmCollector struct {
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mc Collector
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}
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func (c testMdadmCollector) Collect(ch chan<- prometheus.Metric) {
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c.mc.Update(ch)
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}
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func (c testMdadmCollector) Describe(ch chan<- *prometheus.Desc) {
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prometheus.DescribeByCollect(c, ch)
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}
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func NewTestMdadmCollector(logger *slog.Logger) (prometheus.Collector, error) {
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mc, err := NewMdadmCollector(logger)
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if err != nil {
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return testMdadmCollector{}, err
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}
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return &testMdadmCollector{mc}, nil
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}
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func TestMdadmStats(t *testing.T) {
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*sysPath = "fixtures/sys"
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*procPath = "fixtures/proc"
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testcase := `# HELP node_md_blocks Total number of blocks on device.
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# TYPE node_md_blocks gauge
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node_md_blocks{device="md0"} 248896
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node_md_blocks{device="md00"} 4.186624e+06
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node_md_blocks{device="md10"} 3.14159265e+08
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node_md_blocks{device="md101"} 322560
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node_md_blocks{device="md11"} 4.190208e+06
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node_md_blocks{device="md12"} 3.886394368e+09
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node_md_blocks{device="md120"} 2.095104e+06
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node_md_blocks{device="md126"} 1.855870976e+09
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node_md_blocks{device="md127"} 3.12319552e+08
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node_md_blocks{device="md201"} 1.993728e+06
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node_md_blocks{device="md219"} 7932
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node_md_blocks{device="md3"} 5.853468288e+09
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node_md_blocks{device="md4"} 4.883648e+06
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node_md_blocks{device="md6"} 1.95310144e+08
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node_md_blocks{device="md7"} 7.813735424e+09
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node_md_blocks{device="md8"} 1.95310144e+08
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node_md_blocks{device="md9"} 523968
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# HELP node_md_blocks_synced Number of blocks synced on device.
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# TYPE node_md_blocks_synced gauge
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node_md_blocks_synced{device="md0"} 248896
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node_md_blocks_synced{device="md00"} 4.186624e+06
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node_md_blocks_synced{device="md10"} 3.14159265e+08
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node_md_blocks_synced{device="md101"} 322560
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node_md_blocks_synced{device="md11"} 0
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node_md_blocks_synced{device="md12"} 3.886394368e+09
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node_md_blocks_synced{device="md120"} 2.095104e+06
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node_md_blocks_synced{device="md126"} 1.855870976e+09
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node_md_blocks_synced{device="md127"} 3.12319552e+08
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node_md_blocks_synced{device="md201"} 114176
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node_md_blocks_synced{device="md219"} 7932
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node_md_blocks_synced{device="md3"} 5.853468288e+09
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node_md_blocks_synced{device="md4"} 4.883648e+06
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node_md_blocks_synced{device="md6"} 1.6775552e+07
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node_md_blocks_synced{device="md7"} 7.813735424e+09
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node_md_blocks_synced{device="md8"} 1.6775552e+07
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node_md_blocks_synced{device="md9"} 0
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# HELP node_md_degraded Number of degraded disks on device.
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# TYPE node_md_degraded gauge
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node_md_degraded{device="md0"} 0
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node_md_degraded{device="md1"} 0
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node_md_degraded{device="md10"} 0
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node_md_degraded{device="md4"} 0
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node_md_degraded{device="md5"} 1
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node_md_degraded{device="md6"} 1
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# HELP node_md_disks Number of active/failed/spare disks of device.
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# TYPE node_md_disks gauge
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node_md_disks{device="md0",state="active"} 2
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node_md_disks{device="md0",state="failed"} 0
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node_md_disks{device="md0",state="spare"} 0
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node_md_disks{device="md00",state="active"} 1
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node_md_disks{device="md00",state="failed"} 0
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node_md_disks{device="md00",state="spare"} 0
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node_md_disks{device="md10",state="active"} 2
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node_md_disks{device="md10",state="failed"} 0
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node_md_disks{device="md10",state="spare"} 0
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node_md_disks{device="md101",state="active"} 3
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node_md_disks{device="md101",state="failed"} 0
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node_md_disks{device="md101",state="spare"} 0
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node_md_disks{device="md11",state="active"} 2
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node_md_disks{device="md11",state="failed"} 1
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node_md_disks{device="md11",state="spare"} 2
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node_md_disks{device="md12",state="active"} 2
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node_md_disks{device="md12",state="failed"} 0
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node_md_disks{device="md12",state="spare"} 0
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node_md_disks{device="md120",state="active"} 2
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node_md_disks{device="md120",state="failed"} 0
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node_md_disks{device="md120",state="spare"} 0
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node_md_disks{device="md126",state="active"} 2
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node_md_disks{device="md126",state="failed"} 0
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node_md_disks{device="md126",state="spare"} 0
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node_md_disks{device="md127",state="active"} 2
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node_md_disks{device="md127",state="failed"} 0
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node_md_disks{device="md127",state="spare"} 0
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node_md_disks{device="md201",state="active"} 2
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node_md_disks{device="md201",state="failed"} 0
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node_md_disks{device="md201",state="spare"} 0
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node_md_disks{device="md219",state="active"} 0
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node_md_disks{device="md219",state="failed"} 0
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node_md_disks{device="md219",state="spare"} 3
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node_md_disks{device="md3",state="active"} 8
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node_md_disks{device="md3",state="failed"} 0
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node_md_disks{device="md3",state="spare"} 2
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node_md_disks{device="md4",state="active"} 0
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node_md_disks{device="md4",state="failed"} 1
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node_md_disks{device="md4",state="spare"} 1
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node_md_disks{device="md6",state="active"} 1
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node_md_disks{device="md6",state="failed"} 1
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node_md_disks{device="md6",state="spare"} 1
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node_md_disks{device="md7",state="active"} 3
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node_md_disks{device="md7",state="failed"} 1
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node_md_disks{device="md7",state="spare"} 0
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node_md_disks{device="md8",state="active"} 2
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node_md_disks{device="md8",state="failed"} 0
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node_md_disks{device="md8",state="spare"} 2
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node_md_disks{device="md9",state="active"} 4
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node_md_disks{device="md9",state="failed"} 2
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node_md_disks{device="md9",state="spare"} 1
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# HELP node_md_disks_required Total number of disks of device.
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# TYPE node_md_disks_required gauge
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node_md_disks_required{device="md0"} 2
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node_md_disks_required{device="md00"} 1
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node_md_disks_required{device="md10"} 2
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node_md_disks_required{device="md101"} 3
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node_md_disks_required{device="md11"} 2
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node_md_disks_required{device="md12"} 2
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node_md_disks_required{device="md120"} 2
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node_md_disks_required{device="md126"} 2
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node_md_disks_required{device="md127"} 2
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node_md_disks_required{device="md201"} 2
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node_md_disks_required{device="md219"} 0
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node_md_disks_required{device="md3"} 8
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node_md_disks_required{device="md4"} 0
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node_md_disks_required{device="md6"} 2
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node_md_disks_required{device="md7"} 4
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node_md_disks_required{device="md8"} 2
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node_md_disks_required{device="md9"} 4
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# HELP node_md_raid_disks Number of raid disks on device.
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# TYPE node_md_raid_disks gauge
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node_md_raid_disks{device="md0"} 2
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node_md_raid_disks{device="md1"} 2
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node_md_raid_disks{device="md10"} 4
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node_md_raid_disks{device="md4"} 3
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node_md_raid_disks{device="md5"} 3
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node_md_raid_disks{device="md6"} 4
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# HELP node_md_state Indicates the state of md-device.
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# TYPE node_md_state gauge
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node_md_state{device="md0",state="active"} 1
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node_md_state{device="md0",state="check"} 0
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node_md_state{device="md0",state="inactive"} 0
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node_md_state{device="md0",state="recovering"} 0
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node_md_state{device="md0",state="resync"} 0
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node_md_state{device="md00",state="active"} 1
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node_md_state{device="md00",state="check"} 0
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node_md_state{device="md00",state="inactive"} 0
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node_md_state{device="md00",state="recovering"} 0
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node_md_state{device="md00",state="resync"} 0
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node_md_state{device="md10",state="active"} 1
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node_md_state{device="md10",state="check"} 0
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node_md_state{device="md10",state="inactive"} 0
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node_md_state{device="md10",state="recovering"} 0
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node_md_state{device="md10",state="resync"} 0
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node_md_state{device="md101",state="active"} 1
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node_md_state{device="md101",state="check"} 0
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node_md_state{device="md101",state="inactive"} 0
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node_md_state{device="md101",state="recovering"} 0
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node_md_state{device="md101",state="resync"} 0
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node_md_state{device="md11",state="active"} 0
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node_md_state{device="md11",state="check"} 0
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node_md_state{device="md11",state="inactive"} 0
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node_md_state{device="md11",state="recovering"} 0
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node_md_state{device="md11",state="resync"} 1
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node_md_state{device="md12",state="active"} 1
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node_md_state{device="md12",state="check"} 0
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node_md_state{device="md12",state="inactive"} 0
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node_md_state{device="md12",state="recovering"} 0
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node_md_state{device="md12",state="resync"} 0
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node_md_state{device="md120",state="active"} 1
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node_md_state{device="md120",state="check"} 0
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node_md_state{device="md120",state="inactive"} 0
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node_md_state{device="md120",state="recovering"} 0
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node_md_state{device="md120",state="resync"} 0
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node_md_state{device="md126",state="active"} 1
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node_md_state{device="md126",state="check"} 0
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node_md_state{device="md126",state="inactive"} 0
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node_md_state{device="md126",state="recovering"} 0
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node_md_state{device="md126",state="resync"} 0
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node_md_state{device="md127",state="active"} 1
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node_md_state{device="md127",state="check"} 0
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node_md_state{device="md127",state="inactive"} 0
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node_md_state{device="md127",state="recovering"} 0
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node_md_state{device="md127",state="resync"} 0
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node_md_state{device="md201",state="active"} 0
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node_md_state{device="md201",state="check"} 1
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node_md_state{device="md201",state="inactive"} 0
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node_md_state{device="md201",state="recovering"} 0
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node_md_state{device="md201",state="resync"} 0
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node_md_state{device="md219",state="active"} 0
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node_md_state{device="md219",state="check"} 0
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node_md_state{device="md219",state="inactive"} 1
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node_md_state{device="md219",state="recovering"} 0
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node_md_state{device="md219",state="resync"} 0
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node_md_state{device="md3",state="active"} 1
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node_md_state{device="md3",state="check"} 0
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node_md_state{device="md3",state="inactive"} 0
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node_md_state{device="md3",state="recovering"} 0
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node_md_state{device="md3",state="resync"} 0
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node_md_state{device="md4",state="active"} 0
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node_md_state{device="md4",state="check"} 0
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node_md_state{device="md4",state="inactive"} 1
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node_md_state{device="md4",state="recovering"} 0
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node_md_state{device="md4",state="resync"} 0
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node_md_state{device="md6",state="active"} 0
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node_md_state{device="md6",state="check"} 0
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node_md_state{device="md6",state="inactive"} 0
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node_md_state{device="md6",state="recovering"} 1
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node_md_state{device="md6",state="resync"} 0
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node_md_state{device="md7",state="active"} 1
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node_md_state{device="md7",state="check"} 0
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node_md_state{device="md7",state="inactive"} 0
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node_md_state{device="md7",state="recovering"} 0
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node_md_state{device="md7",state="resync"} 0
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node_md_state{device="md8",state="active"} 0
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node_md_state{device="md8",state="check"} 0
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node_md_state{device="md8",state="inactive"} 0
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node_md_state{device="md8",state="recovering"} 0
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node_md_state{device="md8",state="resync"} 1
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node_md_state{device="md9",state="active"} 0
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node_md_state{device="md9",state="check"} 0
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node_md_state{device="md9",state="inactive"} 0
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node_md_state{device="md9",state="recovering"} 0
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node_md_state{device="md9",state="resync"} 1
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`
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logger := slog.New(slog.NewTextHandler(os.Stderr, &slog.HandlerOptions{
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Level: slog.LevelError,
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AddSource: true,
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}))
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collector, err := NewMdadmCollector(logger)
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if err != nil {
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panic(err)
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}
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c, err := NewTestMdadmCollector(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(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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