56 lines
2.1 KiB
Go
56 lines
2.1 KiB
Go
package cgroups
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import (
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"fmt"
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"github.com/docker/libcontainer/devices"
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)
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type FreezerState string
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const (
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Undefined FreezerState = ""
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Frozen FreezerState = "FROZEN"
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Thawed FreezerState = "THAWED"
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)
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type NotFoundError struct {
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Subsystem string
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}
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func (e *NotFoundError) Error() string {
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return fmt.Sprintf("mountpoint for %s not found", e.Subsystem)
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}
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func NewNotFoundError(sub string) error {
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return &NotFoundError{
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Subsystem: sub,
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}
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}
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func IsNotFound(err error) bool {
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if err == nil {
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return false
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}
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_, ok := err.(*NotFoundError)
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return ok
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}
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type Cgroup struct {
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Name string `json:"name,omitempty"`
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Parent string `json:"parent,omitempty"` // name of parent cgroup or slice
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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.
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AllowedDevices []*devices.Device `json:"allowed_devices,omitempty"`
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Memory int64 `json:"memory,omitempty"` // Memory limit (in bytes)
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MemoryReservation int64 `json:"memory_reservation,omitempty"` // Memory reservation or soft_limit (in bytes)
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MemorySwap int64 `json:"memory_swap,omitempty"` // Total memory usage (memory + swap); set `-1' to disable swap
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CpuShares int64 `json:"cpu_shares,omitempty"` // CPU shares (relative weight vs. other containers)
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CpuQuota int64 `json:"cpu_quota,omitempty"` // CPU hardcap limit (in usecs). Allowed cpu time in a given period.
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CpuPeriod int64 `json:"cpu_period,omitempty"` // CPU period to be used for hardcapping (in usecs). 0 to use system default.
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CpusetCpus string `json:"cpuset_cpus,omitempty"` // CPU to use
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Freezer FreezerState `json:"freezer,omitempty"` // set the freeze value for the process
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Slice string `json:"slice,omitempty"` // Parent slice to use for systemd
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}
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