node_exporter/collector/zfs_linux_test.go

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// Copyright 2016 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 collector
import (
"os"
"path/filepath"
"testing"
)
func TestArcstatsParsing(t *testing.T) {
arcstatsFile, err := os.Open("fixtures/proc/spl/kstat/zfs/arcstats")
if err != nil {
t.Fatal(err)
}
defer arcstatsFile.Close()
c := zfsCollector{}
if err != nil {
t.Fatal(err)
}
handlerCalled := false
err = c.parseProcfsFile(arcstatsFile, "arcstats", func(s zfsSysctl, v uint64) {
if s != zfsSysctl("kstat.zfs.misc.arcstats.hits") {
return
}
handlerCalled = true
if v != uint64(8772612) {
t.Fatalf("Incorrect value parsed from procfs data")
}
})
if err != nil {
t.Fatal(err)
}
if !handlerCalled {
t.Fatal("Arcstats parsing handler was not called for some expected sysctls")
}
}
func TestZfetchstatsParsing(t *testing.T) {
zfetchstatsFile, err := os.Open("fixtures/proc/spl/kstat/zfs/zfetchstats")
if err != nil {
t.Fatal(err)
}
defer zfetchstatsFile.Close()
c := zfsCollector{}
if err != nil {
t.Fatal(err)
}
handlerCalled := false
err = c.parseProcfsFile(zfetchstatsFile, "zfetchstats", func(s zfsSysctl, v uint64) {
if s != zfsSysctl("kstat.zfs.misc.zfetchstats.hits") {
return
}
handlerCalled = true
if v != uint64(7067992) {
t.Fatalf("Incorrect value parsed from procfs data")
}
})
if err != nil {
t.Fatal(err)
}
if !handlerCalled {
t.Fatal("Zfetchstats parsing handler was not called for some expected sysctls")
}
}
func TestZilParsing(t *testing.T) {
zilFile, err := os.Open("fixtures/proc/spl/kstat/zfs/zil")
if err != nil {
t.Fatal(err)
}
defer zilFile.Close()
c := zfsCollector{}
if err != nil {
t.Fatal(err)
}
handlerCalled := false
err = c.parseProcfsFile(zilFile, "zil", func(s zfsSysctl, v uint64) {
if s != zfsSysctl("kstat.zfs.misc.zil.zil_commit_count") {
return
}
handlerCalled = true
if v != uint64(10) {
t.Fatalf("Incorrect value parsed from procfs data")
}
})
if err != nil {
t.Fatal(err)
}
if !handlerCalled {
t.Fatal("Zil parsing handler was not called for some expected sysctls")
}
}
func TestVdevCacheStatsParsing(t *testing.T) {
vdevCacheStatsFile, err := os.Open("fixtures/proc/spl/kstat/zfs/vdev_cache_stats")
if err != nil {
t.Fatal(err)
}
defer vdevCacheStatsFile.Close()
c := zfsCollector{}
if err != nil {
t.Fatal(err)
}
handlerCalled := false
err = c.parseProcfsFile(vdevCacheStatsFile, "vdev_cache_stats", func(s zfsSysctl, v uint64) {
if s != zfsSysctl("kstat.zfs.misc.vdev_cache_stats.delegations") {
return
}
handlerCalled = true
if v != uint64(40) {
t.Fatalf("Incorrect value parsed from procfs data")
}
})
if err != nil {
t.Fatal(err)
}
if !handlerCalled {
t.Fatal("VdevCacheStats parsing handler was not called for some expected sysctls")
}
}
func TestXuioStatsParsing(t *testing.T) {
xuioStatsFile, err := os.Open("fixtures/proc/spl/kstat/zfs/xuio_stats")
if err != nil {
t.Fatal(err)
}
defer xuioStatsFile.Close()
c := zfsCollector{}
if err != nil {
t.Fatal(err)
}
handlerCalled := false
err = c.parseProcfsFile(xuioStatsFile, "xuio_stats", func(s zfsSysctl, v uint64) {
if s != zfsSysctl("kstat.zfs.misc.xuio_stats.onloan_read_buf") {
return
}
handlerCalled = true
if v != uint64(32) {
t.Fatalf("Incorrect value parsed from procfs data")
}
})
if err != nil {
t.Fatal(err)
}
if !handlerCalled {
t.Fatal("XuioStats parsing handler was not called for some expected sysctls")
}
}
func TestFmParsing(t *testing.T) {
fmFile, err := os.Open("fixtures/proc/spl/kstat/zfs/fm")
if err != nil {
t.Fatal(err)
}
defer fmFile.Close()
c := zfsCollector{}
if err != nil {
t.Fatal(err)
}
handlerCalled := false
err = c.parseProcfsFile(fmFile, "fm", func(s zfsSysctl, v uint64) {
if s != zfsSysctl("kstat.zfs.misc.fm.erpt-dropped") {
return
}
handlerCalled = true
if v != uint64(18) {
t.Fatalf("Incorrect value parsed from procfs data")
}
})
if err != nil {
t.Fatal(err)
}
if !handlerCalled {
t.Fatal("Fm parsing handler was not called for some expected sysctls")
}
}
func TestDmuTxParsing(t *testing.T) {
dmuTxFile, err := os.Open("fixtures/proc/spl/kstat/zfs/dmu_tx")
if err != nil {
t.Fatal(err)
}
defer dmuTxFile.Close()
c := zfsCollector{}
if err != nil {
t.Fatal(err)
}
handlerCalled := false
err = c.parseProcfsFile(dmuTxFile, "dmu_tx", func(s zfsSysctl, v uint64) {
if s != zfsSysctl("kstat.zfs.misc.dmu_tx.dmu_tx_assigned") {
return
}
handlerCalled = true
if v != uint64(3532844) {
t.Fatalf("Incorrect value parsed from procfs data")
}
})
if err != nil {
t.Fatal(err)
}
if !handlerCalled {
t.Fatal("DmuTx parsing handler was not called for some expected sysctls")
}
}
func TestZpoolParsing(t *testing.T) {
zpoolPaths, err := filepath.Glob("fixtures/proc/spl/kstat/zfs/*/io")
if err != nil {
t.Fatal(err)
}
c := zfsCollector{}
if err != nil {
t.Fatal(err)
}
handlerCalled := false
for _, zpoolPath := range zpoolPaths {
file, err := os.Open(zpoolPath)
if err != nil {
t.Fatal(err)
}
err = c.parsePoolProcfsFile(file, zpoolPath, func(poolName string, s zfsSysctl, v uint64) {
if s != zfsSysctl("kstat.zfs.misc.io.nread") {
return
}
handlerCalled = true
if v != uint64(1884160) && v != uint64(2826240) {
t.Fatalf("Incorrect value parsed from procfs data %v", v)
}
})
file.Close()
if err != nil {
t.Fatal(err)
}
}
if !handlerCalled {
t.Fatal("Zpool parsing handler was not called for some expected sysctls")
}
}
func TestZpoolObjsetParsing(t *testing.T) {
zpoolPaths, err := filepath.Glob("fixtures/proc/spl/kstat/zfs/*/objset-*")
if err != nil {
t.Fatal(err)
}
c := zfsCollector{}
if err != nil {
t.Fatal(err)
}
handlerCalled := false
for _, zpoolPath := range zpoolPaths {
file, err := os.Open(zpoolPath)
if err != nil {
t.Fatal(err)
}
err = c.parsePoolObjsetFile(file, zpoolPath, func(poolName string, datasetName string, s zfsSysctl, v uint64) {
if s != zfsSysctl("kstat.zfs.misc.objset.writes") {
return
}
handlerCalled = true
if v != uint64(0) && v != uint64(4) && v != uint64(10) {
t.Fatalf("Incorrect value parsed from procfs data %v", v)
}
})
file.Close()
if err != nil {
t.Fatal(err)
}
}
if !handlerCalled {
t.Fatal("Zpool parsing handler was not called for some expected sysctls")
}
}
func TestAbdstatsParsing(t *testing.T) {
abdstatsFile, err := os.Open("fixtures/proc/spl/kstat/zfs/abdstats")
if err != nil {
t.Fatal(err)
}
defer abdstatsFile.Close()
c := zfsCollector{}
if err != nil {
t.Fatal(err)
}
handlerCalled := false
err = c.parseProcfsFile(abdstatsFile, "abdstats", func(s zfsSysctl, v uint64) {
if s != zfsSysctl("kstat.zfs.misc.abdstats.linear_data_size") {
return
}
handlerCalled = true
if v != uint64(223232) {
t.Fatalf("Incorrect value parsed from procfs abdstats data")
}
})
if err != nil {
t.Fatal(err)
}
if !handlerCalled {
t.Fatal("ABDStats parsing handler was not called for some expected sysctls")
}
}
func TestDbufstatsParsing(t *testing.T) {
dbufstatsFile, err := os.Open("fixtures/proc/spl/kstat/zfs/dbuf_stats")
if err != nil {
t.Fatal(err)
}
defer dbufstatsFile.Close()
c := zfsCollector{}
if err != nil {
t.Fatal(err)
}
handlerCalled := false
err = c.parseProcfsFile(dbufstatsFile, "dbufstats", func(s zfsSysctl, v uint64) {
if s != zfsSysctl("kstat.zfs.misc.dbufstats.hash_hits") {
return
}
handlerCalled = true
if v != uint64(108807) {
t.Fatalf("Incorrect value parsed from procfs dbufstats data")
}
})
if err != nil {
t.Fatal(err)
}
if !handlerCalled {
t.Fatal("DbufStats parsing handler was not called for some expected sysctls")
}
}
func TestDnodestatsParsing(t *testing.T) {
dnodestatsFile, err := os.Open("fixtures/proc/spl/kstat/zfs/dnodestats")
if err != nil {
t.Fatal(err)
}
defer dnodestatsFile.Close()
c := zfsCollector{}
if err != nil {
t.Fatal(err)
}
handlerCalled := false
err = c.parseProcfsFile(dnodestatsFile, "dnodestats", func(s zfsSysctl, v uint64) {
if s != zfsSysctl("kstat.zfs.misc.dnodestats.dnode_hold_alloc_hits") {
return
}
handlerCalled = true
if v != uint64(37617) {
t.Fatalf("Incorrect value parsed from procfs dnodestats data")
}
})
if err != nil {
t.Fatal(err)
}
if !handlerCalled {
t.Fatal("Dnodestats parsing handler was not called for some expected sysctls")
}
}
func TestVdevMirrorstatsParsing(t *testing.T) {
vdevMirrorStatsFile, err := os.Open("fixtures/proc/spl/kstat/zfs/vdev_mirror_stats")
if err != nil {
t.Fatal(err)
}
defer vdevMirrorStatsFile.Close()
c := zfsCollector{}
if err != nil {
t.Fatal(err)
}
handlerCalled := false
err = c.parseProcfsFile(vdevMirrorStatsFile, "vdev_mirror_stats", func(s zfsSysctl, v uint64) {
if s != zfsSysctl("kstat.zfs.misc.vdev_mirror_stats.preferred_not_found") {
return
}
handlerCalled = true
if v != uint64(94) {
t.Fatalf("Incorrect value parsed from procfs vdev_mirror_stats data")
}
})
if err != nil {
t.Fatal(err)
}
if !handlerCalled {
t.Fatal("VdevMirrorStats parsing handler was not called for some expected sysctls")
}
}