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// +build !remoteclient
package adapter
import (
"context"
"github.com/pkg/errors"
"io"
"io/ioutil"
"os"
"strconv"
"github.com/containers/image/types"
"github.com/containers/libpod/cmd/podman/cliconfig"
"github.com/containers/libpod/cmd/podman/libpodruntime"
"github.com/containers/libpod/libpod"
"github.com/containers/libpod/libpod/image"
"github.com/containers/libpod/pkg/rootless"
)
// LocalRuntime describes a typical libpod runtime
type LocalRuntime struct {
*libpod.Runtime
Remote bool
}
// ContainerImage ...
type ContainerImage struct {
*image.Image
}
// Container ...
type Container struct {
*libpod.Container
}
// GetRuntime returns a LocalRuntime struct with the actual runtime embedded in it
func GetRuntime(c *cliconfig.PodmanCommand) (*LocalRuntime, error) {
runtime, err := libpodruntime.GetRuntime(c)
if err != nil {
return nil, err
}
return &LocalRuntime{
Runtime: runtime,
}, nil
}
// GetImages returns a slice of images in containerimages
func (r *LocalRuntime) GetImages() ([]*ContainerImage, error) {
var containerImages []*ContainerImage
images, err := r.Runtime.ImageRuntime().GetImages()
if err != nil {
return nil, err
}
for _, i := range images {
containerImages = append(containerImages, &ContainerImage{i})
}
return containerImages, nil
}
// NewImageFromLocal returns a containerimage representation of a image from local storage
func (r *LocalRuntime) NewImageFromLocal(name string) (*ContainerImage, error) {
img, err := r.Runtime.ImageRuntime().NewFromLocal(name)
if err != nil {
return nil, err
}
return &ContainerImage{img}, nil
}
// LoadFromArchiveReference calls into local storage to load an image from an archive
func (r *LocalRuntime) LoadFromArchiveReference(ctx context.Context, srcRef types.ImageReference, signaturePolicyPath string, writer io.Writer) ([]*ContainerImage, error) {
var containerImages []*ContainerImage
imgs, err := r.Runtime.ImageRuntime().LoadFromArchiveReference(ctx, srcRef, signaturePolicyPath, writer)
if err != nil {
return nil, err
}
for _, i := range imgs {
ci := ContainerImage{i}
containerImages = append(containerImages, &ci)
}
return containerImages, nil
}
// New calls into local storage to look for an image in local storage or to pull it
func (r *LocalRuntime) New(ctx context.Context, name, signaturePolicyPath, authfile string, writer io.Writer, dockeroptions *image.DockerRegistryOptions, signingoptions image.SigningOptions, forcePull bool, label *string) (*ContainerImage, error) {
img, err := r.Runtime.ImageRuntime().New(ctx, name, signaturePolicyPath, authfile, writer, dockeroptions, signingoptions, forcePull, label)
if err != nil {
return nil, err
}
return &ContainerImage{img}, nil
}
// RemoveImage calls into local storage and removes an image
func (r *LocalRuntime) RemoveImage(ctx context.Context, img *ContainerImage, force bool) (string, error) {
return r.Runtime.RemoveImage(ctx, img.Image, force)
}
// LookupContainer ...
func (r *LocalRuntime) LookupContainer(idOrName string) (*Container, error) {
ctr, err := r.Runtime.LookupContainer(idOrName)
if err != nil {
return nil, err
}
return &Container{ctr}, nil
}
// PruneImages is wrapper into PruneImages within the image pkg
func (r *LocalRuntime) PruneImages(all bool) ([]string, error) {
return r.ImageRuntime().PruneImages(all)
}
// Export is a wrapper to container export to a tarfile
func (r *LocalRuntime) Export(name string, path string) error {
ctr, err := r.Runtime.LookupContainer(name)
if err != nil {
return errors.Wrapf(err, "error looking up container %q", name)
}
if os.Geteuid() != 0 {
state, err := ctr.State()
if err != nil {
return errors.Wrapf(err, "cannot read container state %q", ctr.ID())
}
if state == libpod.ContainerStateRunning || state == libpod.ContainerStatePaused {
data, err := ioutil.ReadFile(ctr.Config().ConmonPidFile)
if err != nil {
return errors.Wrapf(err, "cannot read conmon PID file %q", ctr.Config().ConmonPidFile)
}
conmonPid, err := strconv.Atoi(string(data))
if err != nil {
return errors.Wrapf(err, "cannot parse PID %q", data)
}
became, ret, err := rootless.JoinDirectUserAndMountNS(uint(conmonPid))
if err != nil {
return err
}
if became {
os.Exit(ret)
}
} else {
became, ret, err := rootless.BecomeRootInUserNS()
if err != nil {
return err
}
if became {
os.Exit(ret)
}
}
}
return ctr.Export(path)
}
// Import is a wrapper to import a container image
func (r *LocalRuntime) Import(ctx context.Context, source, reference string, changes []string, history string, quiet bool) (string, error) {
return r.Runtime.Import(ctx, source, reference, changes, history, quiet)
}
// CreateVolume is a wrapper to create volumes
func (r *LocalRuntime) CreateVolume(ctx context.Context, c *cliconfig.VolumeCreateValues, labels, opts map[string]string) (string, error) {
var (
options []libpod.VolumeCreateOption
volName string
)
if len(c.InputArgs) > 0 {
volName = c.InputArgs[0]
options = append(options, libpod.WithVolumeName(volName))
}
if c.Flag("driver").Changed {
options = append(options, libpod.WithVolumeDriver(c.Driver))
}
if len(labels) != 0 {
options = append(options, libpod.WithVolumeLabels(labels))
}
if len(options) != 0 {
options = append(options, libpod.WithVolumeOptions(opts))
}
newVolume, err := r.NewVolume(ctx, options...)
if err != nil {
return "", err
}
return newVolume.Name(), nil
}
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