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.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)) }