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|
package define
import (
"fmt"
"github.com/opencontainers/runtime-spec/specs-go"
)
// Valid restart policy types.
const (
// RestartPolicyNone indicates that no restart policy has been requested
// by a container.
RestartPolicyNone = ""
// RestartPolicyNo is identical in function to RestartPolicyNone.
RestartPolicyNo = "no"
// RestartPolicyAlways unconditionally restarts the container.
RestartPolicyAlways = "always"
// RestartPolicyOnFailure restarts the container on non-0 exit code,
// with an optional maximum number of retries.
RestartPolicyOnFailure = "on-failure"
// RestartPolicyUnlessStopped unconditionally restarts unless stopped
// by the user. It is identical to Always except with respect to
// handling of system restart, which Podman does not yet support.
RestartPolicyUnlessStopped = "unless-stopped"
)
// RestartPolicyMap maps between restart-policy valid values to restart policy types
var RestartPolicyMap = map[string]string{
"none": RestartPolicyNone,
RestartPolicyNo: RestartPolicyNo,
RestartPolicyAlways: RestartPolicyAlways,
RestartPolicyOnFailure: RestartPolicyOnFailure,
RestartPolicyUnlessStopped: RestartPolicyUnlessStopped,
}
// Validate that the given string is a valid restart policy.
func ValidateRestartPolicy(policy string) error {
switch policy {
case RestartPolicyNone, RestartPolicyNo, RestartPolicyOnFailure, RestartPolicyAlways, RestartPolicyUnlessStopped:
return nil
default:
return fmt.Errorf("%q is not a valid restart policy: %w", policy, ErrInvalidArg)
}
}
// InitContainerTypes
const (
// AlwaysInitContainer is an init container that runs on each
// pod start (including restart)
AlwaysInitContainer = "always"
// OneShotInitContainer is a container that only runs as init once
// and is then deleted.
OneShotInitContainer = "once"
// ContainerInitPath is the default path of the mounted container init.
ContainerInitPath = "/run/podman-init"
)
// Kubernetes Kinds
const (
// A Pod kube yaml spec
K8sKindPod = "pod"
// A Deployment kube yaml spec
K8sKindDeployment = "deployment"
// A DaemonSet kube yaml spec
K8sKindDaemonSet = "daemonset"
// a Job kube yaml spec
K8sKindJob = "job"
)
type WeightDevice struct {
Path string
Weight uint16
}
type ThrottleDevice struct {
Path string
Rate uint64
}
type UpdateContainerDevicesLimits struct {
// Block IO weight (relative device weight) in the form:
// ```[{"Path": "device_path", "Weight": weight}]```
BlkIOWeightDevice []WeightDevice `json:",omitempty"`
// Limit read rate (bytes per second) from a device, in the form:
// ```[{"Path": "device_path", "Rate": rate}]```
DeviceReadBPs []ThrottleDevice `json:",omitempty"`
// Limit write rate (bytes per second) to a device, in the form:
// ```[{"Path": "device_path", "Rate": rate}]```
DeviceWriteBPs []ThrottleDevice `json:",omitempty"`
// Limit read rate (IO per second) from a device, in the form:
// ```[{"Path": "device_path", "Rate": rate}]```
DeviceReadIOPs []ThrottleDevice `json:",omitempty"`
// Limit write rate (IO per second) to a device, in the form:
// ```[{"Path": "device_path", "Rate": rate}]```
DeviceWriteIOPs []ThrottleDevice `json:",omitempty"`
}
func (d *WeightDevice) addToLinuxWeightDevice(wd map[string]specs.LinuxWeightDevice) {
wd[d.Path] = specs.LinuxWeightDevice{
Weight: &d.Weight,
LeafWeight: nil,
}
}
func LinuxWeightDeviceToWeightDevice(path string, d specs.LinuxWeightDevice) WeightDevice {
return WeightDevice{Path: path, Weight: *d.Weight}
}
func (d *ThrottleDevice) addToLinuxThrottleDevice(td map[string]specs.LinuxThrottleDevice) {
td[d.Path] = specs.LinuxThrottleDevice{Rate: d.Rate}
}
func LinuxThrottleDevicesToThrottleDevices(path string, d specs.LinuxThrottleDevice) ThrottleDevice {
return ThrottleDevice{Path: path, Rate: d.Rate}
}
func (u *UpdateContainerDevicesLimits) SetBlkIOWeightDevice(wd map[string]specs.LinuxWeightDevice) {
for path, dev := range wd {
u.BlkIOWeightDevice = append(u.BlkIOWeightDevice, LinuxWeightDeviceToWeightDevice(path, dev))
}
}
func copyLinuxThrottleDevicesFromMapToThrottleDevicesArray(source map[string]specs.LinuxThrottleDevice, dest []ThrottleDevice) []ThrottleDevice {
for path, dev := range source {
dest = append(dest, LinuxThrottleDevicesToThrottleDevices(path, dev))
}
return dest
}
func (u *UpdateContainerDevicesLimits) SetDeviceReadBPs(td map[string]specs.LinuxThrottleDevice) {
u.DeviceReadBPs = copyLinuxThrottleDevicesFromMapToThrottleDevicesArray(td, u.DeviceReadBPs)
}
func (u *UpdateContainerDevicesLimits) SetDeviceWriteBPs(td map[string]specs.LinuxThrottleDevice) {
u.DeviceWriteBPs = copyLinuxThrottleDevicesFromMapToThrottleDevicesArray(td, u.DeviceWriteBPs)
}
func (u *UpdateContainerDevicesLimits) SetDeviceReadIOPs(td map[string]specs.LinuxThrottleDevice) {
u.DeviceReadIOPs = copyLinuxThrottleDevicesFromMapToThrottleDevicesArray(td, u.DeviceReadIOPs)
}
func (u *UpdateContainerDevicesLimits) SetDeviceWriteIOPs(td map[string]specs.LinuxThrottleDevice) {
u.DeviceWriteIOPs = copyLinuxThrottleDevicesFromMapToThrottleDevicesArray(td, u.DeviceWriteIOPs)
}
func (u *UpdateContainerDevicesLimits) GetMapOfLinuxWeightDevice() map[string]specs.LinuxWeightDevice {
wd := make(map[string]specs.LinuxWeightDevice)
for _, dev := range u.BlkIOWeightDevice {
dev.addToLinuxWeightDevice(wd)
}
return wd
}
func getMapOfLinuxThrottleDevices(source []ThrottleDevice) map[string]specs.LinuxThrottleDevice {
td := make(map[string]specs.LinuxThrottleDevice)
for _, dev := range source {
dev.addToLinuxThrottleDevice(td)
}
return td
}
func (u *UpdateContainerDevicesLimits) GetMapOfDeviceReadBPs() map[string]specs.LinuxThrottleDevice {
return getMapOfLinuxThrottleDevices(u.DeviceReadBPs)
}
func (u *UpdateContainerDevicesLimits) GetMapOfDeviceWriteBPs() map[string]specs.LinuxThrottleDevice {
return getMapOfLinuxThrottleDevices(u.DeviceWriteBPs)
}
func (u *UpdateContainerDevicesLimits) GetMapOfDeviceReadIOPs() map[string]specs.LinuxThrottleDevice {
return getMapOfLinuxThrottleDevices(u.DeviceReadIOPs)
}
func (u *UpdateContainerDevicesLimits) GetMapOfDeviceWriteIOPs() map[string]specs.LinuxThrottleDevice {
return getMapOfLinuxThrottleDevices(u.DeviceWriteIOPs)
}
|
