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Fix uname collector for arm/ppc64/ppc64le architectures

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The syscall.Utsname struct under arm/ppc64/ppc64le uses uint8 type
instead of int8.
This commit is contained in:
Tobias Schmidt 2015-10-03 02:22:15 -04:00
commit 52f79e699d
3 changed files with 62 additions and 20 deletions
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28
collector/uname_linux.go
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@ -46,31 +46,19 @@ func newUnameCollector() (Collector, error) {
return &unameCollector{}, nil
}
func intArrayToString(array [65]int8) string {
var str string
for _, a := range array {
if a == 0 {
break
}
str += string(a)
}
return str
}
func (c unameCollector) Update(ch chan<- prometheus.Metric) error {
var uname syscall.Utsname
if err := syscall.Uname(&uname); err != nil {
return err
}
labelValues := []string{
intArrayToString(uname.Sysname),
intArrayToString(uname.Release),
intArrayToString(uname.Version),
intArrayToString(uname.Machine),
intArrayToString(uname.Nodename),
intArrayToString(uname.Domainname),
}
ch <- prometheus.MustNewConstMetric(unameDesc, prometheus.GaugeValue, 1, labelValues...)
ch <- prometheus.MustNewConstMetric(unameDesc, prometheus.GaugeValue, 1,
unameToString(uname.Sysname),
unameToString(uname.Release),
unameToString(uname.Version),
unameToString(uname.Machine),
unameToString(uname.Nodename),
unameToString(uname.Domainname),
)
return nil
}