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package varlinkapi
import (
"encoding/json"
"github.com/containers/libpod/pkg/adapter/shortcuts"
"github.com/containers/libpod/pkg/rootless"
"syscall"
"github.com/containers/libpod/cmd/podman/shared"
"github.com/containers/libpod/cmd/podman/varlink"
"github.com/containers/libpod/libpod"
)
// CreatePod ...
func (i *LibpodAPI) CreatePod(call iopodman.VarlinkCall, create iopodman.PodCreate) error {
var options []libpod.PodCreateOption
if create.InfraCommand != "" || create.InfraImage != "" {
return call.ReplyErrorOccurred("the infra-command and infra-image options are not supported yet")
}
if create.CgroupParent != "" {
options = append(options, libpod.WithPodCgroupParent(create.CgroupParent))
}
if len(create.Labels) > 0 {
options = append(options, libpod.WithPodLabels(create.Labels))
}
if create.Name != "" {
options = append(options, libpod.WithPodName(create.Name))
}
if len(create.Share) > 0 && !create.Infra {
return call.ReplyErrorOccurred("You cannot share kernel namespaces on the pod level without an infra container")
}
if len(create.Share) == 0 && create.Infra {
return call.ReplyErrorOccurred("You must share kernel namespaces to run an infra container")
}
if len(create.Publish) > 0 {
if !create.Infra {
return call.ReplyErrorOccurred("you must have an infra container to publish port bindings to the host")
}
if rootless.IsRootless() {
return call.ReplyErrorOccurred("rootless networking does not allow port binding to the host")
}
portBindings, err := shared.CreatePortBindings(create.Publish)
if err != nil {
return err
}
options = append(options, libpod.WithInfraContainerPorts(portBindings))
}
if create.Infra {
options = append(options, libpod.WithInfraContainer())
nsOptions, err := shared.GetNamespaceOptions(create.Share)
if err != nil {
return err
}
options = append(options, nsOptions...)
}
options = append(options, libpod.WithPodCgroups())
pod, err := i.Runtime.NewPod(getContext(), options...)
if err != nil {
return call.ReplyErrorOccurred(err.Error())
}
return call.ReplyCreatePod(pod.ID())
}
// ListPods ...
func (i *LibpodAPI) ListPods(call iopodman.VarlinkCall) error {
var (
listPods []iopodman.ListPodData
)
pods, err := i.Runtime.GetAllPods()
if err != nil {
return call.ReplyErrorOccurred(err.Error())
}
opts := shared.PsOptions{}
for _, pod := range pods {
listPod, err := makeListPod(pod, opts)
if err != nil {
return call.ReplyErrorOccurred(err.Error())
}
listPods = append(listPods, listPod)
}
return call.ReplyListPods(listPods)
}
// GetPod ...
func (i *LibpodAPI) GetPod(call iopodman.VarlinkCall, name string) error {
pod, err := i.Runtime.LookupPod(name)
if err != nil {
return call.ReplyPodNotFound(name, err.Error())
}
opts := shared.PsOptions{}
listPod, err := makeListPod(pod, opts)
if err != nil {
return call.ReplyErrorOccurred(err.Error())
}
return call.ReplyGetPod(listPod)
}
// InspectPod ...
func (i *LibpodAPI) InspectPod(call iopodman.VarlinkCall, name string) error {
pod, err := i.Runtime.LookupPod(name)
if err != nil {
return call.ReplyPodNotFound(name, err.Error())
}
inspectData, err := pod.Inspect()
if err != nil {
return call.ReplyErrorOccurred(err.Error())
}
b, err := json.Marshal(&inspectData)
if err != nil {
return call.ReplyErrorOccurred("unable to serialize")
}
return call.ReplyInspectPod(string(b))
}
// StartPod ...
func (i *LibpodAPI) StartPod(call iopodman.VarlinkCall, name string) error {
pod, err := i.Runtime.LookupPod(name)
if err != nil {
return call.ReplyPodNotFound(name, err.Error())
}
ctnrs, err := pod.AllContainers()
if err != nil {
return call.ReplyErrorOccurred(err.Error())
}
if 0 == len(ctnrs) {
return call.ReplyNoContainersInPod(name)
}
ctrErrs, err := pod.Start(getContext())
callErr := handlePodCall(call, pod, ctrErrs, err)
if callErr != nil {
return err
}
return call.ReplyStartPod(pod.ID())
}
// StopPod ...
func (i *LibpodAPI) StopPod(call iopodman.VarlinkCall, name string, timeout int64) error {
pod, err := i.Runtime.LookupPod(name)
if err != nil {
return call.ReplyPodNotFound(name, err.Error())
}
ctrErrs, err := pod.StopWithTimeout(getContext(), true, int(timeout))
callErr := handlePodCall(call, pod, ctrErrs, err)
if callErr != nil {
return err
}
return call.ReplyStopPod(pod.ID())
}
// RestartPod ...
func (i *LibpodAPI) RestartPod(call iopodman.VarlinkCall, name string) error {
pod, err := i.Runtime.LookupPod(name)
if err != nil {
return call.ReplyPodNotFound(name, err.Error())
}
ctnrs, err := pod.AllContainers()
if err != nil {
return call.ReplyErrorOccurred(err.Error())
}
if 0 == len(ctnrs) {
return call.ReplyNoContainersInPod(name)
}
ctrErrs, err := pod.Restart(getContext())
callErr := handlePodCall(call, pod, ctrErrs, err)
if callErr != nil {
return err
}
return call.ReplyRestartPod(pod.ID())
}
// KillPod kills the running containers in a pod. If you want to use the default SIGTERM signal,
// just send a -1 for the signal arg.
func (i *LibpodAPI) KillPod(call iopodman.VarlinkCall, name string, signal int64) error {
killSignal := uint(syscall.SIGTERM)
if signal != -1 {
killSignal = uint(signal)
}
pod, err := i.Runtime.LookupPod(name)
if err != nil {
return call.ReplyPodNotFound(name, err.Error())
}
ctrErrs, err := pod.Kill(killSignal)
callErr := handlePodCall(call, pod, ctrErrs, err)
if callErr != nil {
return err
}
return call.ReplyKillPod(pod.ID())
}
// PausePod ...
func (i *LibpodAPI) PausePod(call iopodman.VarlinkCall, name string) error {
pod, err := i.Runtime.LookupPod(name)
if err != nil {
return call.ReplyPodNotFound(name, err.Error())
}
ctrErrs, err := pod.Pause()
callErr := handlePodCall(call, pod, ctrErrs, err)
if callErr != nil {
return err
}
return call.ReplyPausePod(pod.ID())
}
// UnpausePod ...
func (i *LibpodAPI) UnpausePod(call iopodman.VarlinkCall, name string) error {
pod, err := i.Runtime.LookupPod(name)
if err != nil {
return call.ReplyPodNotFound(name, err.Error())
}
ctrErrs, err := pod.Unpause()
callErr := handlePodCall(call, pod, ctrErrs, err)
if callErr != nil {
return err
}
return call.ReplyUnpausePod(pod.ID())
}
// RemovePod ...
func (i *LibpodAPI) RemovePod(call iopodman.VarlinkCall, name string, force bool) error {
ctx := getContext()
pod, err := i.Runtime.LookupPod(name)
if err != nil {
return call.ReplyPodNotFound(name, err.Error())
}
if err = i.Runtime.RemovePod(ctx, pod, force, force); err != nil {
return call.ReplyErrorOccurred(err.Error())
}
return call.ReplyRemovePod(pod.ID())
}
// GetPodStats ...
func (i *LibpodAPI) GetPodStats(call iopodman.VarlinkCall, name string) error {
pod, err := i.Runtime.LookupPod(name)
if err != nil {
return call.ReplyPodNotFound(name, err.Error())
}
prevStats := make(map[string]*libpod.ContainerStats)
podStats, err := pod.GetPodStats(prevStats)
if err != nil {
return call.ReplyErrorOccurred(err.Error())
}
if len(podStats) == 0 {
return call.ReplyNoContainerRunning()
}
containersStats := make([]iopodman.ContainerStats, 0)
for ctrID, containerStats := range podStats {
cs := iopodman.ContainerStats{
Id: ctrID,
Name: containerStats.Name,
Cpu: containerStats.CPU,
Cpu_nano: int64(containerStats.CPUNano),
System_nano: int64(containerStats.SystemNano),
Mem_usage: int64(containerStats.MemUsage),
Mem_limit: int64(containerStats.MemLimit),
Mem_perc: containerStats.MemPerc,
Net_input: int64(containerStats.NetInput),
Net_output: int64(containerStats.NetOutput),
Block_input: int64(containerStats.BlockInput),
Block_output: int64(containerStats.BlockOutput),
Pids: int64(containerStats.PIDs),
}
containersStats = append(containersStats, cs)
}
return call.ReplyGetPodStats(pod.ID(), containersStats)
}
// GetPodsByContext returns a slice of pod ids based on all, latest, or a list
func (i *LibpodAPI) GetPodsByContext(call iopodman.VarlinkCall, all, latest bool, input []string) error {
var podids []string
pods, err := shortcuts.GetPodsByContext(all, latest, input, i.Runtime)
if err != nil {
return call.ReplyErrorOccurred(err.Error())
}
for _, p := range pods {
podids = append(podids, p.ID())
}
return call.ReplyGetPodsByContext(podids)
}
// PodStateData returns a container's state data in string format
func (i *LibpodAPI) PodStateData(call iopodman.VarlinkCall, name string) error {
pod, err := i.Runtime.LookupPod(name)
if err != nil {
return call.ReplyErrorOccurred(err.Error())
}
data, err := pod.Inspect()
if err != nil {
return call.ReplyErrorOccurred("unable to obtain pod state")
}
b, err := json.Marshal(data)
if err != nil {
return call.ReplyErrorOccurred("unable to serialize pod inspect data")
}
return call.ReplyPodStateData(string(b))
}
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