mdstat_test.go

Documentation: github.com/prometheus/procfs

     1  // Copyright 2018 The Prometheus Authors
     2  // Licensed under the Apache License, Version 2.0 (the "License");
     3  // you may not use this file except in compliance with the License.
     4  // You may obtain a copy of the License at
     5  //
     6  // http://www.apache.org/licenses/LICENSE-2.0
     7  //
     8  // Unless required by applicable law or agreed to in writing, software
     9  // distributed under the License is distributed on an "AS IS" BASIS,
    10  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package procfs
    15  
    16  import "testing"
    17  import "github.com/google/go-cmp/cmp"
    18  
    19  func TestFS_MDStat(t *testing.T) {
    20  	fs := getProcFixtures(t)
    21  	mdStats, err := fs.MDStat()
    22  
    23  	if err != nil {
    24  		t.Fatalf("parsing of reference-file failed entirely: %s", err)
    25  	}
    26  
    27  	refs := map[string]MDStat{
    28  		"md127": {Name: "md127", ActivityState: "active", DisksActive: 2, DisksTotal: 2, DisksFailed: 0, DisksDown: 0, DisksSpare: 0, BlocksTotal: 312319552, BlocksSynced: 312319552, BlocksSyncedPct: 0, BlocksSyncedFinishTime: 0, BlocksSyncedSpeed: 0, Devices: []string{"sdi2", "sdj2"}},
    29  		"md0":   {Name: "md0", ActivityState: "active", DisksActive: 2, DisksTotal: 2, DisksFailed: 0, DisksDown: 0, DisksSpare: 0, BlocksTotal: 248896, BlocksSynced: 248896, BlocksSyncedPct: 0, BlocksSyncedFinishTime: 0, BlocksSyncedSpeed: 0, Devices: []string{"sdi1", "sdj1"}},
    30  		"md4":   {Name: "md4", ActivityState: "inactive", DisksActive: 0, DisksTotal: 0, DisksFailed: 1, DisksDown: 0, DisksSpare: 1, BlocksTotal: 4883648, BlocksSynced: 4883648, BlocksSyncedPct: 0, BlocksSyncedFinishTime: 0, BlocksSyncedSpeed: 0, Devices: []string{"sda3", "sdb3"}},
    31  		"md6":   {Name: "md6", ActivityState: "recovering", DisksActive: 1, DisksTotal: 2, DisksFailed: 1, DisksDown: 1, DisksSpare: 1, BlocksTotal: 195310144, BlocksSynced: 16775552, BlocksSyncedPct: 8.5, BlocksSyncedFinishTime: 17, BlocksSyncedSpeed: 259783, Devices: []string{"sdb2", "sdc", "sda2"}},
    32  		"md3":   {Name: "md3", ActivityState: "active", DisksActive: 8, DisksTotal: 8, DisksFailed: 0, DisksDown: 0, DisksSpare: 2, BlocksTotal: 5853468288, BlocksSynced: 5853468288, BlocksSyncedPct: 0, BlocksSyncedFinishTime: 0, BlocksSyncedSpeed: 0, Devices: []string{"sda1", "sdh1", "sdg1", "sdf1", "sde1", "sdd1", "sdc1", "sdb1", "sdd1", "sdd2"}},
    33  		"md8":   {Name: "md8", ActivityState: "resyncing", DisksActive: 2, DisksTotal: 2, DisksFailed: 0, DisksDown: 0, DisksSpare: 2, BlocksTotal: 195310144, BlocksSynced: 16775552, BlocksSyncedPct: 8.5, BlocksSyncedFinishTime: 17, BlocksSyncedSpeed: 259783, Devices: []string{"sdb1", "sda1", "sdc", "sde"}},
    34  		"md7":   {Name: "md7", ActivityState: "active", DisksActive: 3, DisksTotal: 4, DisksFailed: 1, DisksDown: 1, DisksSpare: 0, BlocksTotal: 7813735424, BlocksSynced: 7813735424, BlocksSyncedPct: 0, BlocksSyncedFinishTime: 0, BlocksSyncedSpeed: 0, Devices: []string{"sdb1", "sde1", "sdd1", "sdc1"}},
    35  		"md9":   {Name: "md9", ActivityState: "resyncing", DisksActive: 4, DisksTotal: 4, DisksSpare: 1, DisksDown: 0, DisksFailed: 2, BlocksTotal: 523968, BlocksSynced: 0, BlocksSyncedPct: 0, BlocksSyncedFinishTime: 0, BlocksSyncedSpeed: 0, Devices: []string{"sdc2", "sdd2", "sdb2", "sda2", "sde", "sdf", "sdg"}},
    36  		"md10":  {Name: "md10", ActivityState: "active", DisksActive: 2, DisksTotal: 2, DisksFailed: 0, DisksDown: 0, DisksSpare: 0, BlocksTotal: 314159265, BlocksSynced: 314159265, BlocksSyncedPct: 0, BlocksSyncedFinishTime: 0, BlocksSyncedSpeed: 0, Devices: []string{"sda1", "sdb1"}},
    37  		"md11":  {Name: "md11", ActivityState: "resyncing", DisksActive: 2, DisksTotal: 2, DisksFailed: 1, DisksDown: 0, DisksSpare: 2, BlocksTotal: 4190208, BlocksSynced: 0, BlocksSyncedPct: 0, BlocksSyncedFinishTime: 0, BlocksSyncedSpeed: 0, Devices: []string{"sdb2", "sdc2", "sdc3", "hda", "ssdc2"}},
    38  		"md12":  {Name: "md12", ActivityState: "active", DisksActive: 2, DisksTotal: 2, DisksSpare: 0, DisksDown: 0, DisksFailed: 0, BlocksTotal: 3886394368, BlocksSynced: 3886394368, BlocksSyncedPct: 0, BlocksSyncedFinishTime: 0, BlocksSyncedSpeed: 0, Devices: []string{"sdc2", "sdd2"}},
    39  		"md120": {Name: "md120", ActivityState: "active", DisksActive: 2, DisksTotal: 2, DisksFailed: 0, DisksDown: 0, DisksSpare: 0, BlocksTotal: 2095104, BlocksSynced: 2095104, BlocksSyncedPct: 0, BlocksSyncedFinishTime: 0, BlocksSyncedSpeed: 0, Devices: []string{"sda1", "sdb1"}},
    40  		"md126": {Name: "md126", ActivityState: "active", DisksActive: 2, DisksTotal: 2, DisksFailed: 0, DisksDown: 0, DisksSpare: 0, BlocksTotal: 1855870976, BlocksSynced: 1855870976, BlocksSyncedPct: 0, BlocksSyncedFinishTime: 0, BlocksSyncedSpeed: 0, Devices: []string{"sdb", "sdc"}},
    41  		"md219": {Name: "md219", ActivityState: "inactive", DisksTotal: 0, DisksFailed: 0, DisksActive: 0, DisksDown: 0, DisksSpare: 3, BlocksTotal: 7932, BlocksSynced: 7932, BlocksSyncedPct: 0, BlocksSyncedFinishTime: 0, BlocksSyncedSpeed: 0, Devices: []string{"sdc", "sda"}},
    42  		"md00":  {Name: "md00", ActivityState: "active", DisksActive: 1, DisksTotal: 1, DisksFailed: 0, DisksDown: 0, DisksSpare: 0, BlocksTotal: 4186624, BlocksSynced: 4186624, BlocksSyncedPct: 0, BlocksSyncedFinishTime: 0, BlocksSyncedSpeed: 0, Devices: []string{"xvdb"}},
    43  		"md101": {Name: "md101", ActivityState: "active", DisksActive: 3, DisksTotal: 3, DisksFailed: 0, DisksDown: 0, DisksSpare: 0, BlocksTotal: 322560, BlocksSynced: 322560, BlocksSyncedPct: 0, BlocksSyncedFinishTime: 0, BlocksSyncedSpeed: 0, Devices: []string{"sdb", "sdd", "sdc"}},
    44  		"md201": {Name: "md201", ActivityState: "checking", DisksActive: 2, DisksTotal: 2, DisksFailed: 0, DisksDown: 0, DisksSpare: 0, BlocksTotal: 1993728, BlocksSynced: 114176, BlocksSyncedPct: 5.7, BlocksSyncedFinishTime: 0.2, BlocksSyncedSpeed: 114176, Devices: []string{"sda3", "sdb3"}},
    45  	}
    46  
    47  	if want, have := len(refs), len(mdStats); want != have {
    48  		t.Errorf("want %d parsed md-devices, have %d", want, have)
    49  	}
    50  	for _, md := range mdStats {
    51  		if want, have := refs[md.Name], md; !cmp.Equal(want, have) {
    52  			t.Errorf("%s: want %v, have %v", md.Name, want, have)
    53  		}
    54  	}
    55  
    56  }
    57  
    58  func TestInvalidMdstat(t *testing.T) {
    59  	invalidMount := [][]byte{[]byte(`
    60  Personalities : [invalid]
    61  md3 : invalid
    62        314159265 blocks 64k chunks
    63  
    64  unused devices: <none>
    65  `),
    66  		[]byte(`
    67  md12 : active raid0 sdc2[0] sdd2[1]
    68  
    69        3886394368 blocks super 1.2 512k chunks
    70  `)}
    71  
    72  	for _, invalid := range invalidMount {
    73  		_, err := parseMDStat(invalid)
    74  		if err == nil {
    75  			t.Fatalf("parsing of invalid reference file did not find any errors")
    76  		}
    77  	}
    78  }
    79
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