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requirements_unix.go
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/
requirements_unix.go
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// +build !windows
package main
import (
"io/ioutil"
"path"
"github.com/opencontainers/runc/libcontainer/cgroups"
)
var (
cpuCfsPeriod = testRequirement{
func() bool {
cgroupCPUMountpoint, err := cgroups.FindCgroupMountpoint("cpu")
if err != nil {
return false
}
if _, err := ioutil.ReadFile(path.Join(cgroupCPUMountpoint, "cpu.cfs_period_us")); err != nil {
return false
}
return true
},
"Test requires an environment that supports cgroup cfs period.",
}
cpuCfsQuota = testRequirement{
func() bool {
cgroupCPUMountpoint, err := cgroups.FindCgroupMountpoint("cpu")
if err != nil {
return false
}
if _, err := ioutil.ReadFile(path.Join(cgroupCPUMountpoint, "cpu.cfs_quota_us")); err != nil {
return false
}
return true
},
"Test requires an environment that supports cgroup cfs quota.",
}
oomControl = testRequirement{
func() bool {
cgroupMemoryMountpoint, err := cgroups.FindCgroupMountpoint("memory")
if err != nil {
return false
}
if _, err := ioutil.ReadFile(path.Join(cgroupMemoryMountpoint, "memory.memsw.limit_in_bytes")); err != nil {
return false
}
if _, err = ioutil.ReadFile(path.Join(cgroupMemoryMountpoint, "memory.oom_control")); err != nil {
return false
}
return true
},
"Test requires Oom control enabled.",
}
)