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