// Copyright 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" "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) } // TODO: Test cases to capture in future: // WriteMostly devices // Journal devices // Replacement devices // Global hotspares refs := map[string]MDStat{ "md127": { Name: "md127", Type: "raid1", 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: []MDStatComponent{{Name: "sdi2", DescriptorIndex: 0}, {Name: "sdj2", DescriptorIndex: 1}}}, "md0": { Name: "md0", Type: "raid1", 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: []MDStatComponent{{Name: "sdi1", DescriptorIndex: 0}, {Name: "sdj1", DescriptorIndex: 1}}}, "md4": { Name: "md4", Type: "raid1", 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: []MDStatComponent{{Name: "sda3", Faulty: true, DescriptorIndex: 0}, {Name: "sdb3", Spare: true, DescriptorIndex: 1}}}, "md6": { Name: "md6", Type: "raid1", 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: []MDStatComponent{{Name: "sdb2", DescriptorIndex: 2, Faulty: true}, {Name: "sdc", DescriptorIndex: 1, Spare: true}, {Name: "sda2", DescriptorIndex: 0}}}, "md3": { Name: "md3", Type: "raid6", 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: []MDStatComponent{{Name: "sda1", DescriptorIndex: 8}, {Name: "sdh1", DescriptorIndex: 7}, {Name: "sdg1", DescriptorIndex: 6}, {Name: "sdf1", DescriptorIndex: 5}, {Name: "sde1", DescriptorIndex: 11}, {Name: "sdd1", DescriptorIndex: 3}, {Name: "sdc1", DescriptorIndex: 10}, {Name: "sdb1", DescriptorIndex: 9}, {Name: "sdd1", DescriptorIndex: 10, Spare: true}, {Name: "sdd2", DescriptorIndex: 11, Spare: true}}}, "md8": { Name: "md8", Type: "raid1", 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: []MDStatComponent{{Name: "sdb1", DescriptorIndex: 1}, {Name: "sda1", DescriptorIndex: 0}, {Name: "sdc", DescriptorIndex: 2, Spare: true}, {Name: "sde", DescriptorIndex: 3, Spare: true}}}, "md7": { Name: "md7", Type: "raid6", 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: []MDStatComponent{{Name: "sdb1", DescriptorIndex: 0}, {Name: "sde1", DescriptorIndex: 3}, {Name: "sdd1", DescriptorIndex: 2}, {Name: "sdc1", DescriptorIndex: 1, Faulty: true}}}, "md9": { Name: "md9", Type: "raid1", 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: []MDStatComponent{{Name: "sdc2", DescriptorIndex: 2}, {Name: "sdd2", DescriptorIndex: 3}, {Name: "sdb2", DescriptorIndex: 1}, {Name: "sda2", DescriptorIndex: 0}, {Name: "sde", DescriptorIndex: 4, Faulty: true}, {Name: "sdf", DescriptorIndex: 5, Faulty: true}, {Name: "sdg", DescriptorIndex: 6, Spare: true}}}, "md10": { Name: "md10", Type: "raid0", 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: []MDStatComponent{{Name: "sda1", DescriptorIndex: 0}, {Name: "sdb1", DescriptorIndex: 1}}}, "md11": { Name: "md11", Type: "raid1", 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: []MDStatComponent{{Name: "sdb2", DescriptorIndex: 0}, {Name: "sdc2", DescriptorIndex: 1}, {Name: "sdc3", DescriptorIndex: 2, Faulty: true}, {Name: "hda", DescriptorIndex: 4, Spare: true}, {Name: "ssdc2", DescriptorIndex: 3, Spare: true}}}, "md12": { Name: "md12", Type: "raid0", 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: []MDStatComponent{{Name: "sdc2", DescriptorIndex: 0}, {Name: "sdd2", DescriptorIndex: 1}}}, "md120": { Name: "md120", Type: "linear", 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: []MDStatComponent{{Name: "sda1", DescriptorIndex: 1}, {Name: "sdb1", DescriptorIndex: 0}}}, "md126": { Name: "md126", Type: "raid0", 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: []MDStatComponent{{Name: "sdb", DescriptorIndex: 1}, {Name: "sdc", DescriptorIndex: 0}}}, "md219": { Name: "md219", Type: "unknown", 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: []MDStatComponent{{Name: "sdb", DescriptorIndex: 2, Spare: true}, {Name: "sdc", DescriptorIndex: 1, Spare: true}, {Name: "sda", DescriptorIndex: 0, Spare: true}}}, "md00": { Name: "md00", Type: "raid0", 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: []MDStatComponent{{Name: "xvdb", DescriptorIndex: 0}}}, "md101": { Name: "md101", Type: "raid0", 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: []MDStatComponent{{Name: "sdb", DescriptorIndex: 2}, {Name: "sdd", DescriptorIndex: 1}, {Name: "sdc", DescriptorIndex: 0}}}, "md201": { Name: "md201", Type: "raid1", 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: []MDStatComponent{{Name: "sda3", DescriptorIndex: 0}, {Name: "sdb3", DescriptorIndex: 1}}}, "md42": { Name: "md42", Type: "raid5", ActivityState: "reshaping", DisksActive: 2, DisksTotal: 3, DisksFailed: 0, DisksDown: 1, DisksSpare: 1, BlocksTotal: 1953381440, BlocksSynced: 1096879076, BlocksToBeSynced: 1953381440, BlocksSyncedPct: 56.1, BlocksSyncedFinishTime: 1868.1, BlocksSyncedSpeed: 7640, Devices: []MDStatComponent{{Name: "sda1", DescriptorIndex: 3, Spare: true}, {Name: "sdd1", DescriptorIndex: 0}, {Name: "sde1", DescriptorIndex: 1}}}, } 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{ // Test invalid Personality and format []byte(` Personalities : [invalid] md3 : invalid 314159265 blocks 64k chunks unused devices: `), // Test extra blank line []byte(` md12 : active raid0 sdc2[0] sdd2[1] 3886394368 blocks super 1.2 512k chunks `), // test for impossible component state []byte(` md127 : active raid1 sdi2[0] sdj2[1](Z) 312319552 blocks [2/2] [UU] `), // test for malformed component state []byte(` md127 : active raid1 sdi2[0] sdj2[X] 312319552 blocks [2/2] [UU] `), } for _, invalid := range invalidMount { _, err := parseMDStat(invalid) if err == nil { t.Fatalf("parsing of invalid reference file did not find any errors") } } }