requirements_unix.go

// +build !windows

package main

import (
	"github.com/docker/docker/pkg/sysinfo"
)

var (
	// SysInfo stores information about which features a kernel supports.
	SysInfo      *sysinfo.SysInfo
	cpuCfsPeriod = testRequirement{
		func() bool {
			return SysInfo.CPUCfsPeriod
		},
		"Test requires an environment that supports cgroup cfs period.",
	}
	cpuCfsQuota = testRequirement{
		func() bool {
			return SysInfo.CPUCfsQuota
		},
		"Test requires an environment that supports cgroup cfs quota.",
	}
	cpuShare = testRequirement{
		func() bool {
			return SysInfo.CPUShares
		},
		"Test requires an environment that supports cgroup cpu shares.",
	}
	oomControl = testRequirement{
		func() bool {
			return SysInfo.OomKillDisable
		},
		"Test requires Oom control enabled.",
	}
	kernelMemorySupport = testRequirement{
		func() bool {
			return SysInfo.KernelMemory
		},
		"Test requires an environment that supports cgroup kernel memory.",
	}
	memoryLimitSupport = testRequirement{
		func() bool {
			return SysInfo.MemoryLimit
		},
		"Test requires an environment that supports cgroup memory limit.",
	}
	memoryReservationSupport = testRequirement{
		func() bool {
			return SysInfo.MemoryReservation
		},
		"Test requires an environment that supports cgroup memory reservation.",
	}
	swapMemorySupport = testRequirement{
		func() bool {
			return SysInfo.SwapLimit
		},
		"Test requires an environment that supports cgroup swap memory limit.",
	}
	memorySwappinessSupport = testRequirement{
		func() bool {
			return SysInfo.MemorySwappiness
		},
		"Test requires an environment that supports cgroup memory swappiness.",
	}
	blkioWeight = testRequirement{
		func() bool {
			return SysInfo.BlkioWeight
		},
		"Test requires an environment that supports blkio weight.",
	}
	cgroupCpuset = testRequirement{
		func() bool {
			return SysInfo.Cpuset
		},
		"Test requires an environment that supports cgroup cpuset.",
	}
)

func init() {
	SysInfo = sysinfo.New(true)
}