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mdstat_test.go
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mdstat_test.go
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// Copyright 2018 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 procfs
import "testing"
import "github.com/google/go-cmp/cmp"
func TestFS_MDStat(t *testing.T) {
fs := getProcFixtures(t)
mdStats, err := fs.MDStat()
if err != nil {
t.Fatalf("parsing of reference-file failed entirely: %s", err)
}
refs := map[string]MDStat{
"md127": {
Name: "md127",
ActivityState: "active",
DisksActive: 2,
DisksTotal: 2,
DisksFailed: 0,
DisksDown: 0,
DisksSpare: 0,
BlocksTotal: 312319552,
BlocksSynced: 312319552,
BlocksToBeSynced: 312319552,
BlocksSyncedPct: 0,
BlocksSyncedFinishTime: 0,
BlocksSyncedSpeed: 0,
Devices: []string{"sdi2", "sdj2"}},
"md0": {
Name: "md0",
ActivityState: "active",
DisksActive: 2,
DisksTotal: 2,
DisksFailed: 0,
DisksDown: 0,
DisksSpare: 0,
BlocksTotal: 248896,
BlocksSynced: 248896,
BlocksToBeSynced: 248896,
BlocksSyncedPct: 0,
BlocksSyncedFinishTime: 0,
BlocksSyncedSpeed: 0,
Devices: []string{"sdi1", "sdj1"}},
"md4": {
Name: "md4",
ActivityState: "inactive",
DisksActive: 0,
DisksTotal: 0,
DisksFailed: 1,
DisksDown: 0,
DisksSpare: 1,
BlocksTotal: 4883648,
BlocksSynced: 4883648,
BlocksToBeSynced: 4883648,
BlocksSyncedPct: 0,
BlocksSyncedFinishTime: 0,
BlocksSyncedSpeed: 0,
Devices: []string{"sda3", "sdb3"}},
"md6": {
Name: "md6",
ActivityState: "recovering",
DisksActive: 1,
DisksTotal: 2,
DisksFailed: 1,
DisksDown: 1,
DisksSpare: 1,
BlocksTotal: 195310144,
BlocksSynced: 16775552,
BlocksToBeSynced: 195310144,
BlocksSyncedPct: 8.5,
BlocksSyncedFinishTime: 17,
BlocksSyncedSpeed: 259783,
Devices: []string{"sdb2", "sdc", "sda2"}},
"md3": {
Name: "md3",
ActivityState: "active",
DisksActive: 8,
DisksTotal: 8,
DisksFailed: 0,
DisksDown: 0,
DisksSpare: 2,
BlocksTotal: 5853468288,
BlocksSynced: 5853468288,
BlocksToBeSynced: 5853468288,
BlocksSyncedPct: 0,
BlocksSyncedFinishTime: 0,
BlocksSyncedSpeed: 0,
Devices: []string{"sda1", "sdh1", "sdg1", "sdf1", "sde1", "sdd1", "sdc1", "sdb1", "sdd1", "sdd2"}},
"md8": {
Name: "md8",
ActivityState: "resyncing",
DisksActive: 2,
DisksTotal: 2,
DisksFailed: 0,
DisksDown: 0,
DisksSpare: 2,
BlocksTotal: 195310144,
BlocksSynced: 16775552,
BlocksToBeSynced: 195310144,
BlocksSyncedPct: 8.5,
BlocksSyncedFinishTime: 17,
BlocksSyncedSpeed: 259783,
Devices: []string{"sdb1", "sda1", "sdc", "sde"}},
"md7": {
Name: "md7",
ActivityState: "active",
DisksActive: 3,
DisksTotal: 4,
DisksFailed: 1,
DisksDown: 1,
DisksSpare: 0,
BlocksTotal: 7813735424,
BlocksSynced: 7813735424,
BlocksToBeSynced: 7813735424,
BlocksSyncedPct: 0,
BlocksSyncedFinishTime: 0,
BlocksSyncedSpeed: 0,
Devices: []string{"sdb1", "sde1", "sdd1", "sdc1"}},
"md9": {
Name: "md9",
ActivityState: "resyncing",
DisksActive: 4,
DisksTotal: 4,
DisksSpare: 1,
DisksDown: 0,
DisksFailed: 2,
BlocksTotal: 523968,
BlocksSynced: 0,
BlocksToBeSynced: 523968,
BlocksSyncedPct: 0,
BlocksSyncedFinishTime: 0,
BlocksSyncedSpeed: 0,
Devices: []string{"sdc2", "sdd2", "sdb2", "sda2", "sde", "sdf", "sdg"}},
"md10": {
Name: "md10",
ActivityState: "active",
DisksActive: 2,
DisksTotal: 2,
DisksFailed: 0,
DisksDown: 0,
DisksSpare: 0,
BlocksTotal: 314159265,
BlocksSynced: 314159265,
BlocksToBeSynced: 314159265,
BlocksSyncedPct: 0,
BlocksSyncedFinishTime: 0,
BlocksSyncedSpeed: 0,
Devices: []string{"sda1", "sdb1"}},
"md11": {
Name: "md11",
ActivityState: "resyncing",
DisksActive: 2,
DisksTotal: 2,
DisksFailed: 1,
DisksDown: 0,
DisksSpare: 2,
BlocksTotal: 4190208,
BlocksSynced: 0,
BlocksToBeSynced: 4190208,
BlocksSyncedPct: 0,
BlocksSyncedFinishTime: 0,
BlocksSyncedSpeed: 0,
Devices: []string{"sdb2", "sdc2", "sdc3", "hda", "ssdc2"}},
"md12": {
Name: "md12",
ActivityState: "active",
DisksActive: 2,
DisksTotal: 2,
DisksSpare: 0,
DisksDown: 0,
DisksFailed: 0,
BlocksTotal: 3886394368,
BlocksSynced: 3886394368,
BlocksToBeSynced: 3886394368,
BlocksSyncedPct: 0,
BlocksSyncedFinishTime: 0,
BlocksSyncedSpeed: 0,
Devices: []string{"sdc2", "sdd2"}},
"md120": {
Name: "md120",
ActivityState: "active",
DisksActive: 2,
DisksTotal: 2,
DisksFailed: 0,
DisksDown: 0,
DisksSpare: 0,
BlocksTotal: 2095104,
BlocksSynced: 2095104,
BlocksToBeSynced: 2095104,
BlocksSyncedPct: 0,
BlocksSyncedFinishTime: 0,
BlocksSyncedSpeed: 0,
Devices: []string{"sda1", "sdb1"}},
"md126": {
Name: "md126",
ActivityState: "active",
DisksActive: 2,
DisksTotal: 2,
DisksFailed: 0,
DisksDown: 0,
DisksSpare: 0,
BlocksTotal: 1855870976,
BlocksSynced: 1855870976,
BlocksToBeSynced: 1855870976,
BlocksSyncedPct: 0,
BlocksSyncedFinishTime: 0,
BlocksSyncedSpeed: 0,
Devices: []string{"sdb", "sdc"}},
"md219": {
Name: "md219",
ActivityState: "inactive",
DisksTotal: 0,
DisksFailed: 0,
DisksActive: 0,
DisksDown: 0,
DisksSpare: 3,
BlocksTotal: 7932,
BlocksSynced: 7932,
BlocksToBeSynced: 7932,
BlocksSyncedPct: 0,
BlocksSyncedFinishTime: 0,
BlocksSyncedSpeed: 0,
Devices: []string{"sdc", "sda"}},
"md00": {
Name: "md00",
ActivityState: "active",
DisksActive: 1,
DisksTotal: 1,
DisksFailed: 0,
DisksDown: 0,
DisksSpare: 0,
BlocksTotal: 4186624,
BlocksSynced: 4186624,
BlocksToBeSynced: 4186624,
BlocksSyncedPct: 0,
BlocksSyncedFinishTime: 0,
BlocksSyncedSpeed: 0,
Devices: []string{"xvdb"}},
"md101": {
Name: "md101",
ActivityState: "active",
DisksActive: 3,
DisksTotal: 3,
DisksFailed: 0,
DisksDown: 0,
DisksSpare: 0,
BlocksTotal: 322560,
BlocksSynced: 322560,
BlocksToBeSynced: 322560,
BlocksSyncedPct: 0,
BlocksSyncedFinishTime: 0,
BlocksSyncedSpeed: 0,
Devices: []string{"sdb", "sdd", "sdc"}},
"md201": {
Name: "md201",
ActivityState: "checking",
DisksActive: 2,
DisksTotal: 2,
DisksFailed: 0,
DisksDown: 0,
DisksSpare: 0,
BlocksTotal: 1993728,
BlocksSynced: 114176,
BlocksToBeSynced: 1993728,
BlocksSyncedPct: 5.7,
BlocksSyncedFinishTime: 0.2,
BlocksSyncedSpeed: 114176,
Devices: []string{"sda3", "sdb3"}},
}
if want, have := len(refs), len(mdStats); want != have {
t.Errorf("want %d parsed md-devices, have %d", want, have)
}
for _, md := range mdStats {
if want, have := refs[md.Name], md; !cmp.Equal(want, have) {
t.Errorf("%s: want %v, have %v", md.Name, want, have)
}
}
}
func TestInvalidMdstat(t *testing.T) {
invalidMount := [][]byte{[]byte(`
Personalities : [invalid]
md3 : invalid
314159265 blocks 64k chunks
unused devices: <none>
`),
[]byte(`
md12 : active raid0 sdc2[0] sdd2[1]
3886394368 blocks super 1.2 512k chunks
`)}
for _, invalid := range invalidMount {
_, err := parseMDStat(invalid)
if err == nil {
t.Fatalf("parsing of invalid reference file did not find any errors")
}
}
}