cgroups

Documentation

Index

• Variables
• func FindCgroupMountpoint(subsystem string) (string, error)
• func GetInitCgroupDir(subsystem string) (string, error)
• func GetThisCgroupDir(subsystem string) (string, error)
• type ActiveCgroup
• type Cgroup
  • func (c *Cgroup) Apply(pid int) (ActiveCgroup, error)
• type DeviceAllow

Variables

var (
	ErrNotFound = errors.New("mountpoint not found")
)

Functions

func FindCgroupMountpoint

func FindCgroupMountpoint(subsystem string) (string, error)

https://www.kernel.org/doc/Documentation/cgroups/cgroups.txt

func GetInitCgroupDir

func GetInitCgroupDir(subsystem string) (string, error)

func GetThisCgroupDir

func GetThisCgroupDir(subsystem string) (string, error)

Returns the relative path to the cgroup docker is running in.

Types

type ActiveCgroup

type ActiveCgroup interface {
	Cleanup() error
}

type Cgroup

type Cgroup struct {
	Name   string `json:"name,omitempty"`
	Parent string `json:"parent,omitempty"`

	DeviceAccess bool   `json:"device_access,omitempty"` // name of parent cgroup or slice
	Memory       int64  `json:"memory,omitempty"`        // Memory limit (in bytes)
	MemorySwap   int64  `json:"memory_swap,omitempty"`   // Total memory usage (memory + swap); set `-1' to disable swap
	CpuShares    int64  `json:"cpu_shares,omitempty"`    // CPU shares (relative weight vs. other containers)
	CpusetCpus   string `json:"cpuset_cpus,omitempty"`   // CPU to use

	UnitProperties [][2]string `json:"unit_properties,omitempty"` // systemd unit properties
}

func (*Cgroup) Apply

func (c *Cgroup) Apply(pid int) (ActiveCgroup, error)

type DeviceAllow

type DeviceAllow struct {
	Node        string
	Permissions string
}