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Fix golint warning on pkg/sysinfo

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Signed-off-by: Hu Keping <hukeping@huawei.com>
This commit is contained in:
Hu Keping 2015-07-22 18:31:34 +08:00
parent 8cd8bc1365
commit 001fc3cf5f
4 changed files with 41 additions and 21 deletions
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42
sysinfo/sysinfo.go
View file

@ -3,23 +3,43 @@ package sysinfo
// SysInfo stores information about which features a kernel supports. // SysInfo stores information about which features a kernel supports.
// TODO Windows: Factor out platform specific capabilities. // TODO Windows: Factor out platform specific capabilities.
type SysInfo struct { type SysInfo struct {
// Whether the kernel supports AppArmor or not
AppArmor bool AppArmor bool
*cgroupMemInfo *cgroupMemInfo
*cgroupCpuInfo *cgroupCPUInfo
IPv4ForwardingDisabled bool
BridgeNfCallIptablesDisabled bool // Whether IPv4 forwarding is supported or not, if this was disabled, networking will not work
BridgeNfCallIp6tablesDisabled bool IPv4ForwardingDisabled bool
CgroupDevicesEnabled bool
// Whether bridge-nf-call-iptables is supported or not
BridgeNfCallIptablesDisabled bool
// Whether bridge-nf-call-ip6tables is supported or not
BridgeNfCallIP6tablesDisabled bool
// Whether the cgroup has the mountpoint of "devices" or not
CgroupDevicesEnabled bool
} }
type cgroupMemInfo struct { type cgroupMemInfo struct {
MemoryLimit bool // Whether memory limit is supported or not
SwapLimit bool MemoryLimit bool
OomKillDisable bool
// Whether swap limit is supported or not
SwapLimit bool
// Whether OOM killer disalbe is supported or not
OomKillDisable bool
// Whether memory swappiness is supported or not
MemorySwappiness bool MemorySwappiness bool
} }
type cgroupCpuInfo struct { type cgroupCPUInfo struct {
CpuCfsPeriod bool // Whether CPU CFS(Completely Fair Scheduler) period is supported or not
CpuCfsQuota bool CPUCfsPeriod bool
// Whether CPU CFS(Completely Fair Scheduler) quota is supported or not
CPUCfsQuota bool
} }

2
sysinfo/sysinfo_freebsd.go
View file

@ -1,6 +1,6 @@
package sysinfo package sysinfo
// TODO FreeBSD // New returns an empty SysInfo for freebsd for now.
func New(quiet bool) *SysInfo { func New(quiet bool) *SysInfo {
sysInfo := &SysInfo{} sysInfo := &SysInfo{}
return sysInfo return sysInfo

16
sysinfo/sysinfo_linux.go
View file

@ -14,14 +14,14 @@ import (
func New(quiet bool) *SysInfo { func New(quiet bool) *SysInfo {
sysInfo := &SysInfo{} sysInfo := &SysInfo{}
sysInfo.cgroupMemInfo = checkCgroupMem(quiet) sysInfo.cgroupMemInfo = checkCgroupMem(quiet)
sysInfo.cgroupCpuInfo = checkCgroupCpu(quiet) sysInfo.cgroupCPUInfo = checkCgroupCPU(quiet)
_, err := cgroups.FindCgroupMountpoint("devices") _, err := cgroups.FindCgroupMountpoint("devices")
sysInfo.CgroupDevicesEnabled = err == nil sysInfo.CgroupDevicesEnabled = err == nil
sysInfo.IPv4ForwardingDisabled = !readProcBool("/proc/sys/net/ipv4/ip_forward") sysInfo.IPv4ForwardingDisabled = !readProcBool("/proc/sys/net/ipv4/ip_forward")
sysInfo.BridgeNfCallIptablesDisabled = !readProcBool("/proc/sys/net/bridge/bridge-nf-call-iptables") sysInfo.BridgeNfCallIptablesDisabled = !readProcBool("/proc/sys/net/bridge/bridge-nf-call-iptables")
sysInfo.BridgeNfCallIp6tablesDisabled = !readProcBool("/proc/sys/net/bridge/bridge-nf-call-ip6tables") sysInfo.BridgeNfCallIP6tablesDisabled = !readProcBool("/proc/sys/net/bridge/bridge-nf-call-ip6tables")
// Check if AppArmor is supported. // Check if AppArmor is supported.
if _, err := os.Stat("/sys/kernel/security/apparmor"); !os.IsNotExist(err) { if _, err := os.Stat("/sys/kernel/security/apparmor"); !os.IsNotExist(err) {
@ -58,8 +58,8 @@ func checkCgroupMem(quiet bool) *cgroupMemInfo {
return info return info
} }
func checkCgroupCpu(quiet bool) *cgroupCpuInfo { func checkCgroupCPU(quiet bool) *cgroupCPUInfo {
info := &cgroupCpuInfo{} info := &cgroupCPUInfo{}
mountPoint, err := cgroups.FindCgroupMountpoint("cpu") mountPoint, err := cgroups.FindCgroupMountpoint("cpu")
if err != nil { if err != nil {
if !quiet { if !quiet {
@ -68,13 +68,13 @@ func checkCgroupCpu(quiet bool) *cgroupCpuInfo {
return info return info
} }
info.CpuCfsPeriod = cgroupEnabled(mountPoint, "cpu.cfs_period_us") info.CPUCfsPeriod = cgroupEnabled(mountPoint, "cpu.cfs_period_us")
if !quiet && !info.CpuCfsPeriod { if !quiet && !info.CPUCfsPeriod {
logrus.Warn("Your kernel does not support cgroup cfs period") logrus.Warn("Your kernel does not support cgroup cfs period")
} }
info.CpuCfsQuota = cgroupEnabled(mountPoint, "cpu.cfs_quota_us") info.CPUCfsQuota = cgroupEnabled(mountPoint, "cpu.cfs_quota_us")
if !quiet && !info.CpuCfsQuota { if !quiet && !info.CPUCfsQuota {
logrus.Warn("Your kernel does not support cgroup cfs quotas") logrus.Warn("Your kernel does not support cgroup cfs quotas")
} }
return info return info

2
sysinfo/sysinfo_windows.go
View file

@ -1,6 +1,6 @@
package sysinfo package sysinfo
// TODO Windows // New returns an empty SysInfo for windows for now.
func New(quiet bool) *SysInfo { func New(quiet bool) *SysInfo {
sysInfo := &SysInfo{} sysInfo := &SysInfo{}
return sysInfo return sysInfo