runc/cgroups/cgroups.go

42 lines
1.9 KiB
Go

package cgroups
import (
"errors"
"github.com/docker/libcontainer/devices"
)
var (
ErrNotFound = errors.New("mountpoint not found")
)
type FreezerState string
const (
Undefined FreezerState = ""
Frozen FreezerState = "FROZEN"
Thawed FreezerState = "THAWED"
)
type Cgroup struct {
Name string `json:"name,omitempty"`
Parent string `json:"parent,omitempty"` // name of parent cgroup or slice
AllowAllDevices bool `json:"allow_all_devices,omitempty"` // If this is true allow access to any kind of device within the container. If false, allow access only to devices explicitly listed in the allowed_devices list.
AllowedDevices []*devices.Device `json:"allowed_devices,omitempty"`
Memory int64 `json:"memory,omitempty"` // Memory limit (in bytes)
MemoryReservation int64 `json:"memory_reservation,omitempty"` // Memory reservation or soft_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)
CpuQuota int64 `json:"cpu_quota,omitempty"` // CPU hardcap limit (in usecs). Allowed cpu time in a given period.
CpuPeriod int64 `json:"cpu_period,omitempty"` // CPU period to be used for hardcapping (in usecs). 0 to use system default.
CpusetCpus string `json:"cpuset_cpus,omitempty"` // CPU to use
Freezer FreezerState `json:"freezer,omitempty"` // set the freeze value for the process
Slice string `json:"slice,omitempty"` // Parent slice to use for systemd
}
type ActiveCgroup interface {
Cleanup() error
Paths() (map[string]string, error)
}