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Merge pull request #731 from bpradipt/ppc64_uuid

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Handle system UUID retrieval for Power(ppc64) Systems
This commit is contained in:
Rohit Jnagal 2015-05-27 22:26:08 -07:00
commit a6b21f65a2
1 changed files with 14 additions and 5 deletions
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19
utils/sysfs/sysfs.go
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@ -24,10 +24,11 @@ import (
)
const (
blockDir = "/sys/block"
cacheDir = "/sys/devices/system/cpu/cpu"
netDir = "/sys/class/net"
dmiDir = "/sys/class/dmi"
blockDir = "/sys/block"
cacheDir = "/sys/devices/system/cpu/cpu"
netDir = "/sys/class/net"
dmiDir = "/sys/class/dmi"
ppcDevTree = "/proc/device-tree"
)
type CacheInfo struct {
@ -235,7 +236,15 @@ func (self *realSysFs) GetCacheInfo(id int, name string) (CacheInfo, error) {
func (self *realSysFs) GetSystemUUID() (string, error) {
id, err := ioutil.ReadFile(path.Join(dmiDir, "id", "product_uuid"))
if err != nil {
return "", err
//If running on baremetal Power then UID is /proc/device-tree/system-id
id, err = ioutil.ReadFile(path.Join(ppcDevTree, "system-id"))
if err != nil {
//If running on a KVM guest on Power then UUID is /proc/device-tree/vm,uuid
id, err = ioutil.ReadFile(path.Join(ppcDevTree, "vm,uuid"))
if err != nil {
return "", err
}
}
}
return strings.TrimSpace(string(id)), nil
}