You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
123 lines
6.4 KiB
123 lines
6.4 KiB
// Copyright 2019 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.
|
|
|
|
//go:build !nobtrfs
|
|
// +build !nobtrfs
|
|
|
|
package collector
|
|
|
|
import (
|
|
"strings"
|
|
"testing"
|
|
|
|
"github.com/prometheus/procfs/btrfs"
|
|
)
|
|
|
|
var expectedBtrfsMetrics = [][]btrfsMetric{
|
|
{
|
|
{name: "info", value: 1, extraLabel: []string{"label"}, extraLabelValue: []string{"fixture"}},
|
|
{name: "global_rsv_size_bytes", value: 1.6777216e+07},
|
|
{name: "reserved_bytes", value: 0, extraLabel: []string{"block_group_type"}, extraLabelValue: []string{"data"}},
|
|
{name: "used_bytes", value: 8.08189952e+08, extraLabel: []string{"block_group_type", "mode"}, extraLabelValue: []string{"data", "raid0"}},
|
|
{name: "size_bytes", value: 2.147483648e+09, extraLabel: []string{"block_group_type", "mode"}, extraLabelValue: []string{"data", "raid0"}},
|
|
{name: "allocation_ratio", value: 1, extraLabel: []string{"block_group_type", "mode"}, extraLabelValue: []string{"data", "raid0"}},
|
|
{name: "reserved_bytes", value: 0, extraLabel: []string{"block_group_type"}, extraLabelValue: []string{"metadata"}},
|
|
{name: "used_bytes", value: 933888, extraLabel: []string{"block_group_type", "mode"}, extraLabelValue: []string{"metadata", "raid1"}},
|
|
{name: "size_bytes", value: 1.073741824e+09, extraLabel: []string{"block_group_type", "mode"}, extraLabelValue: []string{"metadata", "raid1"}},
|
|
{name: "allocation_ratio", value: 2, extraLabel: []string{"block_group_type", "mode"}, extraLabelValue: []string{"metadata", "raid1"}},
|
|
{name: "reserved_bytes", value: 0, extraLabel: []string{"block_group_type"}, extraLabelValue: []string{"system"}},
|
|
{name: "used_bytes", value: 16384, extraLabel: []string{"block_group_type", "mode"}, extraLabelValue: []string{"system", "raid1"}},
|
|
{name: "size_bytes", value: 8.388608e+06, extraLabel: []string{"block_group_type", "mode"}, extraLabelValue: []string{"system", "raid1"}},
|
|
{name: "allocation_ratio", value: 2, extraLabel: []string{"block_group_type", "mode"}, extraLabelValue: []string{"system", "raid1"}},
|
|
{name: "device_size_bytes", value: 1.073741824e+10, extraLabel: []string{"device"}, extraLabelValue: []string{"loop25"}},
|
|
{name: "device_size_bytes", value: 1.073741824e+10, extraLabel: []string{"device"}, extraLabelValue: []string{"loop26"}},
|
|
},
|
|
{
|
|
{name: "info", value: 1, extraLabel: []string{"label"}, extraLabelValue: []string{""}},
|
|
{name: "global_rsv_size_bytes", value: 1.6777216e+07},
|
|
{name: "reserved_bytes", value: 0, extraLabel: []string{"block_group_type"}, extraLabelValue: []string{"data"}},
|
|
{name: "used_bytes", value: 0, extraLabel: []string{"block_group_type", "mode"}, extraLabelValue: []string{"data", "raid5"}},
|
|
{name: "size_bytes", value: 6.44087808e+08, extraLabel: []string{"block_group_type", "mode"}, extraLabelValue: []string{"data", "raid5"}},
|
|
{name: "allocation_ratio", value: 1.3333333333333333, extraLabel: []string{"block_group_type", "mode"}, extraLabelValue: []string{"data", "raid5"}},
|
|
{name: "reserved_bytes", value: 0, extraLabel: []string{"block_group_type"}, extraLabelValue: []string{"metadata"}},
|
|
{name: "used_bytes", value: 114688, extraLabel: []string{"block_group_type", "mode"}, extraLabelValue: []string{"metadata", "raid6"}},
|
|
{name: "size_bytes", value: 4.29391872e+08, extraLabel: []string{"block_group_type", "mode"}, extraLabelValue: []string{"metadata", "raid6"}},
|
|
{name: "allocation_ratio", value: 2, extraLabel: []string{"block_group_type", "mode"}, extraLabelValue: []string{"metadata", "raid6"}},
|
|
{name: "reserved_bytes", value: 0, extraLabel: []string{"block_group_type"}, extraLabelValue: []string{"system"}},
|
|
{name: "used_bytes", value: 16384, extraLabel: []string{"block_group_type", "mode"}, extraLabelValue: []string{"system", "raid6"}},
|
|
{name: "size_bytes", value: 1.6777216e+07, extraLabel: []string{"block_group_type", "mode"}, extraLabelValue: []string{"system", "raid6"}},
|
|
{name: "allocation_ratio", value: 2, extraLabel: []string{"block_group_type", "mode"}, extraLabelValue: []string{"system", "raid6"}},
|
|
{name: "device_size_bytes", value: 1.073741824e+10, extraLabel: []string{"device"}, extraLabelValue: []string{"loop22"}},
|
|
{name: "device_size_bytes", value: 1.073741824e+10, extraLabel: []string{"device"}, extraLabelValue: []string{"loop23"}},
|
|
{name: "device_size_bytes", value: 1.073741824e+10, extraLabel: []string{"device"}, extraLabelValue: []string{"loop24"}},
|
|
{name: "device_size_bytes", value: 1.073741824e+10, extraLabel: []string{"device"}, extraLabelValue: []string{"loop25"}},
|
|
},
|
|
}
|
|
|
|
func checkMetric(exp, got *btrfsMetric) bool {
|
|
if exp.name != got.name ||
|
|
exp.value != got.value ||
|
|
len(exp.extraLabel) != len(got.extraLabel) ||
|
|
len(exp.extraLabelValue) != len(got.extraLabelValue) {
|
|
return false
|
|
}
|
|
|
|
for i := range exp.extraLabel {
|
|
if exp.extraLabel[i] != got.extraLabel[i] {
|
|
return false
|
|
}
|
|
|
|
// Devices (loopXX) can appear in random order, so just check the first 4 characters.
|
|
if strings.HasPrefix(got.extraLabelValue[i], "loop") &&
|
|
exp.extraLabelValue[i][:4] == got.extraLabelValue[i][:4] {
|
|
continue
|
|
}
|
|
|
|
if exp.extraLabelValue[i] != got.extraLabelValue[i] {
|
|
return false
|
|
}
|
|
}
|
|
|
|
return true
|
|
}
|
|
|
|
func TestBtrfs(t *testing.T) {
|
|
fs, err := btrfs.NewFS("fixtures/sys")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
collector := &btrfsCollector{fs: fs}
|
|
|
|
stats, err := collector.fs.Stats()
|
|
if err != nil {
|
|
t.Fatalf("Failed to retrieve Btrfs stats: %v", err)
|
|
}
|
|
if len(stats) != len(expectedBtrfsMetrics) {
|
|
t.Fatalf("Unexpected number of Btrfs stats: expected %v, got %v", len(expectedBtrfsMetrics), len(stats))
|
|
}
|
|
|
|
for i, s := range stats {
|
|
metrics := collector.getMetrics(s, nil)
|
|
if len(metrics) != len(expectedBtrfsMetrics[i]) {
|
|
t.Fatalf("Unexpected number of Btrfs metrics: expected %v, got %v", len(expectedBtrfsMetrics[i]), len(metrics))
|
|
}
|
|
|
|
for j, m := range metrics {
|
|
exp := expectedBtrfsMetrics[i][j]
|
|
if !checkMetric(&exp, &m) {
|
|
t.Errorf("Incorrect btrfs metric: expected %#v, got: %#v", exp, m)
|
|
}
|
|
}
|
|
}
|
|
}
|