149 lines
3.7 KiB
Go
149 lines
3.7 KiB
Go
// +build freebsd
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package zfs
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import (
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"fmt"
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"testing"
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"github.com/influxdata/telegraf/testutil"
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"github.com/stretchr/testify/require"
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)
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// $ zpool list -Hp
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var zpool_output = []string{
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"freenas-boot 30601641984 2022177280 28579464704 - - 6 1.00x ONLINE -",
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"red1 8933531975680 1126164848640 7807367127040 - 8% 12 1.83x ONLINE /mnt",
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"temp1 2989297238016 1626309320704 1362987917312 - 38% 54 1.28x ONLINE /mnt",
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"temp2 2989297238016 626958278656 2362338959360 - 12% 20 1.00x ONLINE /mnt",
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}
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func mock_zpool() ([]string, error) {
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return zpool_output, nil
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}
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// sysctl -q kstat.zfs.misc.arcstats
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// sysctl -q kstat.zfs.misc.vdev_cache_stats
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var kstat_vdev_cache_stats_output = []string{
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"kstat.zfs.misc.vdev_cache_stats.misses: 87789",
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"kstat.zfs.misc.vdev_cache_stats.hits: 465583",
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"kstat.zfs.misc.vdev_cache_stats.delegations: 6952",
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}
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// sysctl -q kstat.zfs.misc.zfetchstats
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var kstat_zfetchstats_output = []string{
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"kstat.zfs.misc.zfetchstats.max_streams: 0",
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"kstat.zfs.misc.zfetchstats.misses: 0",
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"kstat.zfs.misc.zfetchstats.hits: 0",
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}
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func mock_sysctl(metric string) ([]string, error) {
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if metric == "vdev_cache_stats" {
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return kstat_vdev_cache_stats_output, nil
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}
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if metric == "zfetchstats" {
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return kstat_zfetchstats_output, nil
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}
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return []string{}, fmt.Errorf("Invalid arg")
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}
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func TestZfsPoolMetrics(t *testing.T) {
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var acc testutil.Accumulator
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z := &Zfs{
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KstatMetrics: []string{"vdev_cache_stats"},
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sysctl: mock_sysctl,
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zpool: mock_zpool,
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}
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err := z.Gather(&acc)
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require.NoError(t, err)
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require.False(t, acc.HasMeasurement("zfs_pool"))
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acc.Metrics = nil
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z = &Zfs{
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KstatMetrics: []string{"vdev_cache_stats"},
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PoolMetrics: true,
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sysctl: mock_sysctl,
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zpool: mock_zpool,
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}
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err = z.Gather(&acc)
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require.NoError(t, err)
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//one pool, all metrics
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tags := map[string]string{
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"pool": "freenas-boot",
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"health": "ONLINE",
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}
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poolMetrics := getFreeNasBootPoolMetrics()
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acc.AssertContainsTaggedFields(t, "zfs_pool", poolMetrics, tags)
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}
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func TestZfsGeneratesMetrics(t *testing.T) {
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var acc testutil.Accumulator
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z := &Zfs{
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KstatMetrics: []string{"vdev_cache_stats"},
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sysctl: mock_sysctl,
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zpool: mock_zpool,
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}
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err := z.Gather(&acc)
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require.NoError(t, err)
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//four pool, vdev_cache_stats metrics
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tags := map[string]string{
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"pools": "freenas-boot::red1::temp1::temp2",
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}
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intMetrics := getKstatMetricsVdevOnly()
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acc.AssertContainsTaggedFields(t, "zfs", intMetrics, tags)
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acc.Metrics = nil
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z = &Zfs{
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KstatMetrics: []string{"zfetchstats", "vdev_cache_stats"},
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sysctl: mock_sysctl,
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zpool: mock_zpool,
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}
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err = z.Gather(&acc)
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require.NoError(t, err)
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//four pool, vdev_cache_stats and zfetchstatus metrics
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intMetrics = getKstatMetricsVdevAndZfetch()
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acc.AssertContainsTaggedFields(t, "zfs", intMetrics, tags)
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}
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func getFreeNasBootPoolMetrics() map[string]interface{} {
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return map[string]interface{}{
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"allocated": int64(2022177280),
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"capacity": int64(6),
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"dedupratio": float64(1),
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"free": int64(28579464704),
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"size": int64(30601641984),
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"fragmentation": int64(0),
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}
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}
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func getKstatMetricsVdevOnly() map[string]interface{} {
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return map[string]interface{}{
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"vdev_cache_stats_misses": int64(87789),
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"vdev_cache_stats_hits": int64(465583),
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"vdev_cache_stats_delegations": int64(6952),
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}
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}
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func getKstatMetricsVdevAndZfetch() map[string]interface{} {
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return map[string]interface{}{
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"vdev_cache_stats_misses": int64(87789),
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"vdev_cache_stats_hits": int64(465583),
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"vdev_cache_stats_delegations": int64(6952),
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"zfetchstats_max_streams": int64(0),
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"zfetchstats_misses": int64(0),
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"zfetchstats_hits": int64(0),
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}
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}
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