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Use uint64 in the ZFS collector (#714)

ZFS metrics can also be unsigned 64-bit integers that won't fit in
int64 and causes the whole collector to fail.
pull/780/head
Franz Pletz 7 years ago committed by Johannes 'fish' Ziemke
parent
commit
d432f9857e
  1. 4
      collector/zfs.go
  2. 12
      collector/zfs_linux.go
  3. 32
      collector/zfs_linux_test.go

4
collector/zfs.go

@ -75,7 +75,7 @@ func (s zfsSysctl) metricName() string {
return strings.Replace(parts[len(parts)-1], "-", "_", -1)
}
func (c *zfsCollector) constSysctlMetric(subsystem string, sysctl zfsSysctl, value int64) prometheus.Metric {
func (c *zfsCollector) constSysctlMetric(subsystem string, sysctl zfsSysctl, value uint64) prometheus.Metric {
metricName := sysctl.metricName()
return prometheus.MustNewConstMetric(
@ -90,7 +90,7 @@ func (c *zfsCollector) constSysctlMetric(subsystem string, sysctl zfsSysctl, val
)
}
func (c *zfsCollector) constPoolMetric(poolName string, sysctl zfsSysctl, value int64) prometheus.Metric {
func (c *zfsCollector) constPoolMetric(poolName string, sysctl zfsSysctl, value uint64) prometheus.Metric {
metricName := sysctl.metricName()
return prometheus.MustNewConstMetric(

12
collector/zfs_linux.go

@ -42,7 +42,7 @@ func (c *zfsCollector) updateZfsStats(subsystem string, ch chan<- prometheus.Met
}
defer file.Close()
return c.parseProcfsFile(file, c.linuxPathMap[subsystem], func(s zfsSysctl, v int64) {
return c.parseProcfsFile(file, c.linuxPathMap[subsystem], func(s zfsSysctl, v uint64) {
ch <- c.constSysctlMetric(subsystem, s, v)
})
}
@ -64,7 +64,7 @@ func (c *zfsCollector) updatePoolStats(ch chan<- prometheus.Metric) error {
return errZFSNotAvailable
}
err = c.parsePoolProcfsFile(file, zpoolPath, func(poolName string, s zfsSysctl, v int64) {
err = c.parsePoolProcfsFile(file, zpoolPath, func(poolName string, s zfsSysctl, v uint64) {
ch <- c.constPoolMetric(poolName, s, v)
})
file.Close()
@ -76,7 +76,7 @@ func (c *zfsCollector) updatePoolStats(ch chan<- prometheus.Metric) error {
return nil
}
func (c *zfsCollector) parseProcfsFile(reader io.Reader, fmtExt string, handler func(zfsSysctl, int64)) error {
func (c *zfsCollector) parseProcfsFile(reader io.Reader, fmtExt string, handler func(zfsSysctl, uint64)) error {
scanner := bufio.NewScanner(reader)
parseLine := false
@ -95,7 +95,7 @@ func (c *zfsCollector) parseProcfsFile(reader io.Reader, fmtExt string, handler
key := fmt.Sprintf("kstat.zfs.misc.%s.%s", fmtExt, parts[0])
value, err := strconv.ParseInt(parts[2], 10, 64)
value, err := strconv.ParseUint(parts[2], 10, 64)
if err != nil {
return fmt.Errorf("could not parse expected integer value for %q", key)
}
@ -109,7 +109,7 @@ func (c *zfsCollector) parseProcfsFile(reader io.Reader, fmtExt string, handler
return scanner.Err()
}
func (c *zfsCollector) parsePoolProcfsFile(reader io.Reader, zpoolPath string, handler func(string, zfsSysctl, int64)) error {
func (c *zfsCollector) parsePoolProcfsFile(reader io.Reader, zpoolPath string, handler func(string, zfsSysctl, uint64)) error {
scanner := bufio.NewScanner(reader)
parseLine := false
@ -139,7 +139,7 @@ func (c *zfsCollector) parsePoolProcfsFile(reader io.Reader, zpoolPath string, h
for i, field := range fields {
key := fmt.Sprintf("kstat.zfs.misc.%s.%s", zpoolFile, field)
value, err := strconv.ParseInt(line[i], 10, 64)
value, err := strconv.ParseUint(line[i], 10, 64)
if err != nil {
return fmt.Errorf("could not parse expected integer value for %q: %v", key, err)
}

32
collector/zfs_linux_test.go

@ -32,7 +32,7 @@ func TestArcstatsParsing(t *testing.T) {
}
handlerCalled := false
err = c.parseProcfsFile(arcstatsFile, "arcstats", func(s zfsSysctl, v int64) {
err = c.parseProcfsFile(arcstatsFile, "arcstats", func(s zfsSysctl, v uint64) {
if s != zfsSysctl("kstat.zfs.misc.arcstats.hits") {
return
@ -40,7 +40,7 @@ func TestArcstatsParsing(t *testing.T) {
handlerCalled = true
if v != int64(8772612) {
if v != uint64(8772612) {
t.Fatalf("Incorrect value parsed from procfs data")
}
@ -68,7 +68,7 @@ func TestZfetchstatsParsing(t *testing.T) {
}
handlerCalled := false
err = c.parseProcfsFile(zfetchstatsFile, "zfetchstats", func(s zfsSysctl, v int64) {
err = c.parseProcfsFile(zfetchstatsFile, "zfetchstats", func(s zfsSysctl, v uint64) {
if s != zfsSysctl("kstat.zfs.misc.zfetchstats.hits") {
return
@ -76,7 +76,7 @@ func TestZfetchstatsParsing(t *testing.T) {
handlerCalled = true
if v != int64(7067992) {
if v != uint64(7067992) {
t.Fatalf("Incorrect value parsed from procfs data")
}
@ -104,7 +104,7 @@ func TestZilParsing(t *testing.T) {
}
handlerCalled := false
err = c.parseProcfsFile(zilFile, "zil", func(s zfsSysctl, v int64) {
err = c.parseProcfsFile(zilFile, "zil", func(s zfsSysctl, v uint64) {
if s != zfsSysctl("kstat.zfs.misc.zil.zil_commit_count") {
return
@ -112,7 +112,7 @@ func TestZilParsing(t *testing.T) {
handlerCalled = true
if v != int64(10) {
if v != uint64(10) {
t.Fatalf("Incorrect value parsed from procfs data")
}
@ -140,7 +140,7 @@ func TestVdevCacheStatsParsing(t *testing.T) {
}
handlerCalled := false
err = c.parseProcfsFile(vdevCacheStatsFile, "vdev_cache_stats", func(s zfsSysctl, v int64) {
err = c.parseProcfsFile(vdevCacheStatsFile, "vdev_cache_stats", func(s zfsSysctl, v uint64) {
if s != zfsSysctl("kstat.zfs.misc.vdev_cache_stats.delegations") {
return
@ -148,7 +148,7 @@ func TestVdevCacheStatsParsing(t *testing.T) {
handlerCalled = true
if v != int64(40) {
if v != uint64(40) {
t.Fatalf("Incorrect value parsed from procfs data")
}
@ -176,7 +176,7 @@ func TestXuioStatsParsing(t *testing.T) {
}
handlerCalled := false
err = c.parseProcfsFile(xuioStatsFile, "xuio_stats", func(s zfsSysctl, v int64) {
err = c.parseProcfsFile(xuioStatsFile, "xuio_stats", func(s zfsSysctl, v uint64) {
if s != zfsSysctl("kstat.zfs.misc.xuio_stats.onloan_read_buf") {
return
@ -184,7 +184,7 @@ func TestXuioStatsParsing(t *testing.T) {
handlerCalled = true
if v != int64(32) {
if v != uint64(32) {
t.Fatalf("Incorrect value parsed from procfs data")
}
@ -212,7 +212,7 @@ func TestFmParsing(t *testing.T) {
}
handlerCalled := false
err = c.parseProcfsFile(fmFile, "fm", func(s zfsSysctl, v int64) {
err = c.parseProcfsFile(fmFile, "fm", func(s zfsSysctl, v uint64) {
if s != zfsSysctl("kstat.zfs.misc.fm.erpt-dropped") {
return
@ -220,7 +220,7 @@ func TestFmParsing(t *testing.T) {
handlerCalled = true
if v != int64(18) {
if v != uint64(18) {
t.Fatalf("Incorrect value parsed from procfs data")
}
@ -248,7 +248,7 @@ func TestDmuTxParsing(t *testing.T) {
}
handlerCalled := false
err = c.parseProcfsFile(dmuTxFile, "dmu_tx", func(s zfsSysctl, v int64) {
err = c.parseProcfsFile(dmuTxFile, "dmu_tx", func(s zfsSysctl, v uint64) {
if s != zfsSysctl("kstat.zfs.misc.dmu_tx.dmu_tx_assigned") {
return
@ -256,7 +256,7 @@ func TestDmuTxParsing(t *testing.T) {
handlerCalled = true
if v != int64(3532844) {
if v != uint64(3532844) {
t.Fatalf("Incorrect value parsed from procfs data")
}
@ -289,14 +289,14 @@ func TestZpoolParsing(t *testing.T) {
t.Fatal(err)
}
err = c.parsePoolProcfsFile(file, zpoolPath, func(poolName string, s zfsSysctl, v int64) {
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 != int64(1884160) && v != int64(2826240) {
if v != uint64(1884160) && v != uint64(2826240) {
t.Fatalf("Incorrect value parsed from procfs data %v", v)
}

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