Add some basic doc for SysInfo

Signed-off-by: Eric Rafaloff <erafaloff@gmail.com>
This commit is contained in:
Eric Rafaloff 2015-03-26 23:05:07 -04:00
parent 756b8f2fde
commit 01bbc3fbb9
2 changed files with 4 additions and 1 deletions

1
pkg/sysinfo/README.md Normal file
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@ -0,0 +1 @@
SysInfo stores information about which features a kernel supports.

View file

@ -9,6 +9,7 @@ import (
"github.com/docker/libcontainer/cgroups"
)
// SysInfo stores information about which features a kernel supports.
type SysInfo struct {
MemoryLimit bool
SwapLimit bool
@ -16,6 +17,7 @@ type SysInfo struct {
AppArmor bool
}
// Returns a new SysInfo, using the filesystem to detect which features the kernel supports.
func New(quiet bool) *SysInfo {
sysInfo := &SysInfo{}
if cgroupMemoryMountpoint, err := cgroups.FindCgroupMountpoint("memory"); err != nil {
@ -37,7 +39,7 @@ func New(quiet bool) *SysInfo {
}
}
// Check if AppArmor seems to be enabled on this system.
// Check if AppArmor is supported
if _, err := os.Stat("/sys/kernel/security/apparmor"); os.IsNotExist(err) {
sysInfo.AppArmor = false
} else {