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-rw-r--r--pkg/domain/infra/abi/containers.go606
-rw-r--r--pkg/domain/infra/abi/events.go18
-rw-r--r--pkg/domain/infra/abi/images.go137
-rw-r--r--pkg/domain/infra/abi/pods.go28
-rw-r--r--pkg/domain/infra/abi/system.go215
-rw-r--r--pkg/domain/infra/abi/terminal/sigproxy_linux.go47
-rw-r--r--pkg/domain/infra/abi/terminal/terminal.go103
-rw-r--r--pkg/domain/infra/abi/terminal/terminal_linux.go123
8 files changed, 1258 insertions, 19 deletions
diff --git a/pkg/domain/infra/abi/containers.go b/pkg/domain/infra/abi/containers.go
index d4c5ac311..c9df72f2d 100644
--- a/pkg/domain/infra/abi/containers.go
+++ b/pkg/domain/infra/abi/containers.go
@@ -4,21 +4,65 @@ package abi
import (
"context"
+ "fmt"
"io/ioutil"
+ "os"
+ "strconv"
"strings"
+ "sync"
+
+ lpfilters "github.com/containers/libpod/libpod/filters"
"github.com/containers/buildah"
+ "github.com/containers/common/pkg/config"
"github.com/containers/image/v5/manifest"
"github.com/containers/libpod/libpod"
"github.com/containers/libpod/libpod/define"
+ "github.com/containers/libpod/libpod/events"
"github.com/containers/libpod/libpod/image"
- "github.com/containers/libpod/pkg/adapter/shortcuts"
+ "github.com/containers/libpod/libpod/logs"
+ "github.com/containers/libpod/pkg/checkpoint"
"github.com/containers/libpod/pkg/domain/entities"
+ "github.com/containers/libpod/pkg/domain/infra/abi/terminal"
+ "github.com/containers/libpod/pkg/ps"
+ "github.com/containers/libpod/pkg/rootless"
"github.com/containers/libpod/pkg/signal"
+ "github.com/containers/libpod/pkg/specgen"
+ "github.com/containers/libpod/pkg/specgen/generate"
+ "github.com/containers/storage"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
)
+// getContainersByContext gets pods whether all, latest, or a slice of names/ids
+// is specified.
+func getContainersByContext(all, latest bool, names []string, runtime *libpod.Runtime) (ctrs []*libpod.Container, err error) {
+ var ctr *libpod.Container
+ ctrs = []*libpod.Container{}
+
+ switch {
+ case all:
+ ctrs, err = runtime.GetAllContainers()
+ case latest:
+ ctr, err = runtime.GetLatestContainer()
+ ctrs = append(ctrs, ctr)
+ default:
+ for _, n := range names {
+ ctr, e := runtime.LookupContainer(n)
+ if e != nil {
+ // Log all errors here, so callers don't need to.
+ logrus.Debugf("Error looking up container %q: %v", n, e)
+ if err == nil {
+ err = e
+ }
+ } else {
+ ctrs = append(ctrs, ctr)
+ }
+ }
+ }
+ return
+}
+
// TODO: Should return *entities.ContainerExistsReport, error
func (ic *ContainerEngine) ContainerExists(ctx context.Context, nameOrId string) (*entities.BoolReport, error) {
_, err := ic.Libpod.LookupContainer(nameOrId)
@@ -32,7 +76,7 @@ func (ic *ContainerEngine) ContainerWait(ctx context.Context, namesOrIds []strin
var (
responses []entities.WaitReport
)
- ctrs, err := shortcuts.GetContainersByContext(false, options.Latest, namesOrIds, ic.Libpod)
+ ctrs, err := getContainersByContext(false, options.Latest, namesOrIds, ic.Libpod)
if err != nil {
return nil, err
}
@@ -58,7 +102,7 @@ func (ic *ContainerEngine) ContainerPause(ctx context.Context, namesOrIds []stri
if options.All {
ctrs, err = ic.Libpod.GetAllContainers()
} else {
- ctrs, err = shortcuts.GetContainersByContext(false, false, namesOrIds, ic.Libpod)
+ ctrs, err = getContainersByContext(false, false, namesOrIds, ic.Libpod)
}
if err != nil {
return nil, err
@@ -79,7 +123,7 @@ func (ic *ContainerEngine) ContainerUnpause(ctx context.Context, namesOrIds []st
if options.All {
ctrs, err = ic.Libpod.GetAllContainers()
} else {
- ctrs, err = shortcuts.GetContainersByContext(false, false, namesOrIds, ic.Libpod)
+ ctrs, err = getContainersByContext(false, false, namesOrIds, ic.Libpod)
}
if err != nil {
return nil, err
@@ -103,7 +147,7 @@ func (ic *ContainerEngine) ContainerStop(ctx context.Context, namesOrIds []strin
id := strings.Split(string(content), "\n")[0]
names = append(names, id)
}
- ctrs, err := shortcuts.GetContainersByContext(options.All, options.Latest, names, ic.Libpod)
+ ctrs, err := getContainersByContext(options.All, options.Latest, names, ic.Libpod)
if err != nil && !(options.Ignore && errors.Cause(err) == define.ErrNoSuchCtr) {
return nil, err
}
@@ -131,6 +175,28 @@ func (ic *ContainerEngine) ContainerStop(ctx context.Context, namesOrIds []strin
return reports, nil
}
+func (ic *ContainerEngine) ContainerPrune(ctx context.Context, options entities.ContainerPruneOptions) (*entities.ContainerPruneReport, error) {
+ var filterFuncs []libpod.ContainerFilter
+ for k, v := range options.Filters {
+ for _, val := range v {
+ generatedFunc, err := lpfilters.GenerateContainerFilterFuncs(k, val, ic.Libpod)
+ if err != nil {
+ return nil, err
+ }
+ filterFuncs = append(filterFuncs, generatedFunc)
+ }
+ }
+ prunedContainers, pruneErrors, err := ic.Libpod.PruneContainers(filterFuncs)
+ if err != nil {
+ return nil, err
+ }
+ report := entities.ContainerPruneReport{
+ ID: prunedContainers,
+ Err: pruneErrors,
+ }
+ return &report, nil
+}
+
func (ic *ContainerEngine) ContainerKill(ctx context.Context, namesOrIds []string, options entities.KillOptions) ([]*entities.KillReport, error) {
var (
reports []*entities.KillReport
@@ -139,7 +205,7 @@ func (ic *ContainerEngine) ContainerKill(ctx context.Context, namesOrIds []strin
if err != nil {
return nil, err
}
- ctrs, err := shortcuts.GetContainersByContext(options.All, options.Latest, namesOrIds, ic.Libpod)
+ ctrs, err := getContainersByContext(options.All, options.Latest, namesOrIds, ic.Libpod)
if err != nil {
return nil, err
}
@@ -155,7 +221,7 @@ func (ic *ContainerEngine) ContainerRestart(ctx context.Context, namesOrIds []st
var (
reports []*entities.RestartReport
)
- ctrs, err := shortcuts.GetContainersByContext(options.All, options.Latest, namesOrIds, ic.Libpod)
+ ctrs, err := getContainersByContext(options.All, options.Latest, namesOrIds, ic.Libpod)
if err != nil {
return nil, err
}
@@ -197,7 +263,7 @@ func (ic *ContainerEngine) ContainerRm(ctx context.Context, namesOrIds []string,
names = append(names, id)
}
- ctrs, err := shortcuts.GetContainersByContext(options.All, options.Latest, names, ic.Libpod)
+ ctrs, err := getContainersByContext(options.All, options.Latest, names, ic.Libpod)
if err != nil && !(options.Ignore && errors.Cause(err) == define.ErrNoSuchCtr) {
// Failed to get containers. If force is specified, get the containers ID
// and evict them
@@ -245,7 +311,7 @@ func (ic *ContainerEngine) ContainerRm(ctx context.Context, namesOrIds []string,
func (ic *ContainerEngine) ContainerInspect(ctx context.Context, namesOrIds []string, options entities.InspectOptions) ([]*entities.ContainerInspectReport, error) {
var reports []*entities.ContainerInspectReport
- ctrs, err := shortcuts.GetContainersByContext(false, options.Latest, namesOrIds, ic.Libpod)
+ ctrs, err := getContainersByContext(false, options.Latest, namesOrIds, ic.Libpod)
if err != nil {
return nil, err
}
@@ -333,3 +399,525 @@ func (ic *ContainerEngine) ContainerExport(ctx context.Context, nameOrId string,
}
return ctr.Export(options.Output)
}
+
+func (ic *ContainerEngine) ContainerCheckpoint(ctx context.Context, namesOrIds []string, options entities.CheckpointOptions) ([]*entities.CheckpointReport, error) {
+ var (
+ err error
+ cons []*libpod.Container
+ reports []*entities.CheckpointReport
+ )
+ checkOpts := libpod.ContainerCheckpointOptions{
+ Keep: options.Keep,
+ TCPEstablished: options.TCPEstablished,
+ TargetFile: options.Export,
+ IgnoreRootfs: options.IgnoreRootFS,
+ }
+
+ if options.All {
+ running := func(c *libpod.Container) bool {
+ state, _ := c.State()
+ return state == define.ContainerStateRunning
+ }
+ cons, err = ic.Libpod.GetContainers(running)
+ } else {
+ cons, err = getContainersByContext(false, options.Latest, namesOrIds, ic.Libpod)
+ }
+ if err != nil {
+ return nil, err
+ }
+ for _, con := range cons {
+ err = con.Checkpoint(ctx, checkOpts)
+ reports = append(reports, &entities.CheckpointReport{
+ Err: err,
+ Id: con.ID(),
+ })
+ }
+ return reports, nil
+}
+
+func (ic *ContainerEngine) ContainerRestore(ctx context.Context, namesOrIds []string, options entities.RestoreOptions) ([]*entities.RestoreReport, error) {
+ var (
+ cons []*libpod.Container
+ err error
+ filterFuncs []libpod.ContainerFilter
+ reports []*entities.RestoreReport
+ )
+
+ restoreOptions := libpod.ContainerCheckpointOptions{
+ Keep: options.Keep,
+ TCPEstablished: options.TCPEstablished,
+ TargetFile: options.Import,
+ Name: options.Name,
+ IgnoreRootfs: options.IgnoreRootFS,
+ IgnoreStaticIP: options.IgnoreStaticIP,
+ IgnoreStaticMAC: options.IgnoreStaticMAC,
+ }
+
+ filterFuncs = append(filterFuncs, func(c *libpod.Container) bool {
+ state, _ := c.State()
+ return state == define.ContainerStateExited
+ })
+
+ switch {
+ case options.Import != "":
+ cons, err = checkpoint.CRImportCheckpoint(ctx, ic.Libpod, options.Import, options.Name)
+ case options.All:
+ cons, err = ic.Libpod.GetContainers(filterFuncs...)
+ default:
+ cons, err = getContainersByContext(false, options.Latest, namesOrIds, ic.Libpod)
+ }
+ if err != nil {
+ return nil, err
+ }
+ for _, con := range cons {
+ err := con.Restore(ctx, restoreOptions)
+ reports = append(reports, &entities.RestoreReport{
+ Err: err,
+ Id: con.ID(),
+ })
+ }
+ return reports, nil
+}
+
+func (ic *ContainerEngine) ContainerCreate(ctx context.Context, s *specgen.SpecGenerator) (*entities.ContainerCreateReport, error) {
+ if err := generate.CompleteSpec(ctx, ic.Libpod, s); err != nil {
+ return nil, err
+ }
+ ctr, err := generate.MakeContainer(ic.Libpod, s)
+ if err != nil {
+ return nil, err
+ }
+ return &entities.ContainerCreateReport{Id: ctr.ID()}, nil
+}
+
+func (ic *ContainerEngine) ContainerAttach(ctx context.Context, nameOrId string, options entities.AttachOptions) error {
+ ctrs, err := getContainersByContext(false, options.Latest, []string{nameOrId}, ic.Libpod)
+ if err != nil {
+ return err
+ }
+ ctr := ctrs[0]
+ conState, err := ctr.State()
+ if err != nil {
+ return errors.Wrapf(err, "unable to determine state of %s", ctr.ID())
+ }
+ if conState != define.ContainerStateRunning {
+ return errors.Errorf("you can only attach to running containers")
+ }
+
+ // If the container is in a pod, also set to recursively start dependencies
+ if err := terminal.StartAttachCtr(ctx, ctr, options.Stdin, options.Stderr, options.Stdin, options.DetachKeys, options.SigProxy, false, ctr.PodID() != ""); err != nil && errors.Cause(err) != define.ErrDetach {
+ return errors.Wrapf(err, "error attaching to container %s", ctr.ID())
+ }
+ return nil
+}
+
+func (ic *ContainerEngine) ContainerExec(ctx context.Context, nameOrId string, options entities.ExecOptions) (int, error) {
+ ec := define.ExecErrorCodeGeneric
+ if options.PreserveFDs > 0 {
+ entries, err := ioutil.ReadDir("/proc/self/fd")
+ if err != nil {
+ return ec, errors.Wrapf(err, "unable to read /proc/self/fd")
+ }
+
+ m := make(map[int]bool)
+ for _, e := range entries {
+ i, err := strconv.Atoi(e.Name())
+ if err != nil {
+ return ec, errors.Wrapf(err, "cannot parse %s in /proc/self/fd", e.Name())
+ }
+ m[i] = true
+ }
+
+ for i := 3; i < 3+int(options.PreserveFDs); i++ {
+ if _, found := m[i]; !found {
+ return ec, errors.New("invalid --preserve-fds=N specified. Not enough FDs available")
+ }
+ }
+ }
+ ctrs, err := getContainersByContext(false, options.Latest, []string{nameOrId}, ic.Libpod)
+ if err != nil {
+ return ec, err
+ }
+ ctr := ctrs[0]
+ ec, err = terminal.ExecAttachCtr(ctx, ctr, options.Tty, options.Privileged, options.Envs, options.Cmd, options.User, options.WorkDir, &options.Streams, options.PreserveFDs, options.DetachKeys)
+ return define.TranslateExecErrorToExitCode(ec, err), err
+}
+
+func (ic *ContainerEngine) ContainerStart(ctx context.Context, namesOrIds []string, options entities.ContainerStartOptions) ([]*entities.ContainerStartReport, error) {
+ var reports []*entities.ContainerStartReport
+ var exitCode = define.ExecErrorCodeGeneric
+ ctrs, err := getContainersByContext(false, options.Latest, namesOrIds, ic.Libpod)
+ if err != nil {
+ return nil, err
+ }
+ // There can only be one container if attach was used
+ for _, ctr := range ctrs {
+ ctrState, err := ctr.State()
+ if err != nil {
+ return nil, err
+ }
+ ctrRunning := ctrState == define.ContainerStateRunning
+
+ if options.Attach {
+ err = terminal.StartAttachCtr(ctx, ctr, options.Stdout, options.Stderr, options.Stdin, options.DetachKeys, options.SigProxy, !ctrRunning, ctr.PodID() != "")
+ if errors.Cause(err) == define.ErrDetach {
+ // User manually detached
+ // Exit cleanly immediately
+ reports = append(reports, &entities.ContainerStartReport{
+ Id: ctr.ID(),
+ Err: nil,
+ ExitCode: 0,
+ })
+ return reports, nil
+ }
+
+ if errors.Cause(err) == define.ErrWillDeadlock {
+ logrus.Debugf("Deadlock error: %v", err)
+ reports = append(reports, &entities.ContainerStartReport{
+ Id: ctr.ID(),
+ Err: err,
+ ExitCode: define.ExitCode(err),
+ })
+ return reports, errors.Errorf("attempting to start container %s would cause a deadlock; please run 'podman system renumber' to resolve", ctr.ID())
+ }
+
+ if ctrRunning {
+ reports = append(reports, &entities.ContainerStartReport{
+ Id: ctr.ID(),
+ Err: nil,
+ ExitCode: 0,
+ })
+ return reports, err
+ }
+
+ if err != nil {
+ reports = append(reports, &entities.ContainerStartReport{
+ Id: ctr.ID(),
+ Err: err,
+ ExitCode: exitCode,
+ })
+ return reports, errors.Wrapf(err, "unable to start container %s", ctr.ID())
+ }
+
+ if ecode, err := ctr.Wait(); err != nil {
+ if errors.Cause(err) == define.ErrNoSuchCtr {
+ // Check events
+ event, err := ic.Libpod.GetLastContainerEvent(ctr.ID(), events.Exited)
+ if err != nil {
+ logrus.Errorf("Cannot get exit code: %v", err)
+ exitCode = define.ExecErrorCodeNotFound
+ } else {
+ exitCode = event.ContainerExitCode
+ }
+ }
+ } else {
+ exitCode = int(ecode)
+ }
+ reports = append(reports, &entities.ContainerStartReport{
+ Id: ctr.ID(),
+ Err: err,
+ ExitCode: exitCode,
+ })
+ return reports, nil
+ } // end attach
+
+ // Start the container if it's not running already.
+ if !ctrRunning {
+ // Handle non-attach start
+ // If the container is in a pod, also set to recursively start dependencies
+ report := &entities.ContainerStartReport{
+ Id: ctr.ID(),
+ ExitCode: 125,
+ }
+ if err := ctr.Start(ctx, ctr.PodID() != ""); err != nil {
+ // if lastError != nil {
+ // fmt.Fprintln(os.Stderr, lastError)
+ // }
+ report.Err = err
+ if errors.Cause(err) == define.ErrWillDeadlock {
+ report.Err = errors.Wrapf(err, "please run 'podman system renumber' to resolve deadlocks")
+ reports = append(reports, report)
+ continue
+ }
+ report.Err = errors.Wrapf(err, "unable to start container %q", ctr.ID())
+ reports = append(reports, report)
+ continue
+ }
+ report.ExitCode = 0
+ reports = append(reports, report)
+ }
+ }
+ return reports, nil
+}
+
+func (ic *ContainerEngine) ContainerList(ctx context.Context, options entities.ContainerListOptions) ([]entities.ListContainer, error) {
+ return ps.GetContainerLists(ic.Libpod, options)
+}
+
+// ContainerDiff provides changes to given container
+func (ic *ContainerEngine) ContainerDiff(ctx context.Context, nameOrId string, opts entities.DiffOptions) (*entities.DiffReport, error) {
+ if opts.Latest {
+ ctnr, err := ic.Libpod.GetLatestContainer()
+ if err != nil {
+ return nil, errors.Wrap(err, "unable to get latest container")
+ }
+ nameOrId = ctnr.ID()
+ }
+ changes, err := ic.Libpod.GetDiff("", nameOrId)
+ return &entities.DiffReport{Changes: changes}, err
+}
+
+func (ic *ContainerEngine) ContainerRun(ctx context.Context, opts entities.ContainerRunOptions) (*entities.ContainerRunReport, error) {
+ if err := generate.CompleteSpec(ctx, ic.Libpod, opts.Spec); err != nil {
+ return nil, err
+ }
+ ctr, err := generate.MakeContainer(ic.Libpod, opts.Spec)
+ if err != nil {
+ return nil, err
+ }
+
+ var joinPod bool
+ if len(ctr.PodID()) > 0 {
+ joinPod = true
+ }
+ report := entities.ContainerRunReport{Id: ctr.ID()}
+
+ if logrus.GetLevel() == logrus.DebugLevel {
+ cgroupPath, err := ctr.CGroupPath()
+ if err == nil {
+ logrus.Debugf("container %q has CgroupParent %q", ctr.ID(), cgroupPath)
+ }
+ }
+ if opts.Detach {
+ // if the container was created as part of a pod, also start its dependencies, if any.
+ if err := ctr.Start(ctx, joinPod); err != nil {
+ // This means the command did not exist
+ report.ExitCode = define.ExitCode(err)
+ return &report, err
+ }
+
+ return &report, nil
+ }
+
+ // if the container was created as part of a pod, also start its dependencies, if any.
+ if err := terminal.StartAttachCtr(ctx, ctr, opts.OutputStream, opts.ErrorStream, opts.InputStream, opts.DetachKeys, opts.SigProxy, true, joinPod); err != nil {
+ // We've manually detached from the container
+ // Do not perform cleanup, or wait for container exit code
+ // Just exit immediately
+ if errors.Cause(err) == define.ErrDetach {
+ report.ExitCode = 0
+ return &report, nil
+ }
+ if opts.Rm {
+ if deleteError := ic.Libpod.RemoveContainer(ctx, ctr, true, false); deleteError != nil {
+ logrus.Debugf("unable to remove container %s after failing to start and attach to it", ctr.ID())
+ }
+ }
+ if errors.Cause(err) == define.ErrWillDeadlock {
+ logrus.Debugf("Deadlock error on %q: %v", ctr.ID(), err)
+ report.ExitCode = define.ExitCode(err)
+ return &report, errors.Errorf("attempting to start container %s would cause a deadlock; please run 'podman system renumber' to resolve", ctr.ID())
+ }
+ report.ExitCode = define.ExitCode(err)
+ return &report, err
+ }
+
+ if ecode, err := ctr.Wait(); err != nil {
+ if errors.Cause(err) == define.ErrNoSuchCtr {
+ // Check events
+ event, err := ic.Libpod.GetLastContainerEvent(ctr.ID(), events.Exited)
+ if err != nil {
+ logrus.Errorf("Cannot get exit code: %v", err)
+ report.ExitCode = define.ExecErrorCodeNotFound
+ } else {
+ report.ExitCode = event.ContainerExitCode
+ }
+ }
+ } else {
+ report.ExitCode = int(ecode)
+ }
+ return &report, nil
+}
+
+func (ic *ContainerEngine) ContainerLogs(ctx context.Context, containers []string, options entities.ContainerLogsOptions) error {
+ if options.Writer == nil {
+ return errors.New("no io.Writer set for container logs")
+ }
+
+ var wg sync.WaitGroup
+
+ ctrs, err := getContainersByContext(false, options.Latest, containers, ic.Libpod)
+ if err != nil {
+ return err
+ }
+
+ logOpts := &logs.LogOptions{
+ Multi: len(ctrs) > 1,
+ Details: options.Details,
+ Follow: options.Follow,
+ Since: options.Since,
+ Tail: options.Tail,
+ Timestamps: options.Timestamps,
+ UseName: options.Names,
+ WaitGroup: &wg,
+ }
+
+ chSize := len(ctrs) * int(options.Tail)
+ if chSize <= 0 {
+ chSize = 1
+ }
+ logChannel := make(chan *logs.LogLine, chSize)
+
+ if err := ic.Libpod.Log(ctrs, logOpts, logChannel); err != nil {
+ return err
+ }
+
+ go func() {
+ wg.Wait()
+ close(logChannel)
+ }()
+
+ for line := range logChannel {
+ fmt.Fprintln(options.Writer, line.String(logOpts))
+ }
+
+ return nil
+}
+
+func (ic *ContainerEngine) ContainerCleanup(ctx context.Context, namesOrIds []string, options entities.ContainerCleanupOptions) ([]*entities.ContainerCleanupReport, error) {
+ var reports []*entities.ContainerCleanupReport
+ ctrs, err := getContainersByContext(options.All, options.Latest, namesOrIds, ic.Libpod)
+ if err != nil {
+ return nil, err
+ }
+ for _, ctr := range ctrs {
+ var err error
+ report := entities.ContainerCleanupReport{Id: ctr.ID()}
+ if options.Remove {
+ err = ic.Libpod.RemoveContainer(ctx, ctr, false, true)
+ if err != nil {
+ report.RmErr = errors.Wrapf(err, "failed to cleanup and remove container %v", ctr.ID())
+ }
+ } else {
+ err := ctr.Cleanup(ctx)
+ if err != nil {
+ report.CleanErr = errors.Wrapf(err, "failed to cleanup container %v", ctr.ID())
+ }
+ }
+
+ if options.RemoveImage {
+ _, imageName := ctr.Image()
+ ctrImage, err := ic.Libpod.ImageRuntime().NewFromLocal(imageName)
+ if err != nil {
+ report.RmiErr = err
+ reports = append(reports, &report)
+ continue
+ }
+ _, err = ic.Libpod.RemoveImage(ctx, ctrImage, false)
+ report.RmiErr = err
+ }
+ reports = append(reports, &report)
+ }
+ return reports, nil
+}
+
+func (ic *ContainerEngine) ContainerInit(ctx context.Context, namesOrIds []string, options entities.ContainerInitOptions) ([]*entities.ContainerInitReport, error) {
+ var reports []*entities.ContainerInitReport
+ ctrs, err := getContainersByContext(options.All, options.Latest, namesOrIds, ic.Libpod)
+ if err != nil {
+ return nil, err
+ }
+ for _, ctr := range ctrs {
+ report := entities.ContainerInitReport{Id: ctr.ID()}
+ report.Err = ctr.Init(ctx)
+ reports = append(reports, &report)
+ }
+ return reports, nil
+}
+
+func (ic *ContainerEngine) ContainerMount(ctx context.Context, nameOrIds []string, options entities.ContainerMountOptions) ([]*entities.ContainerMountReport, error) {
+ if os.Geteuid() != 0 {
+ if driver := ic.Libpod.StorageConfig().GraphDriverName; driver != "vfs" {
+ // Do not allow to mount a graphdriver that is not vfs if we are creating the userns as part
+ // of the mount command.
+ return nil, fmt.Errorf("cannot mount using driver %s in rootless mode", driver)
+ }
+
+ became, ret, err := rootless.BecomeRootInUserNS("")
+ if err != nil {
+ return nil, err
+ }
+ if became {
+ os.Exit(ret)
+ }
+ }
+ var reports []*entities.ContainerMountReport
+ ctrs, err := getContainersByContext(options.All, options.Latest, nameOrIds, ic.Libpod)
+ if err != nil {
+ return nil, err
+ }
+ for _, ctr := range ctrs {
+ report := entities.ContainerMountReport{Id: ctr.ID()}
+ report.Path, report.Err = ctr.Mount()
+ reports = append(reports, &report)
+ }
+ if len(reports) > 0 {
+ return reports, nil
+ }
+
+ // No containers were passed, so we send back what is mounted
+ ctrs, err = getContainersByContext(true, false, []string{}, ic.Libpod)
+ if err != nil {
+ return nil, err
+ }
+ for _, ctr := range ctrs {
+ mounted, path, err := ctr.Mounted()
+ if err != nil {
+ return nil, err
+ }
+
+ if mounted {
+ reports = append(reports, &entities.ContainerMountReport{
+ Id: ctr.ID(),
+ Name: ctr.Name(),
+ Path: path,
+ })
+ }
+ }
+ return reports, nil
+}
+
+func (ic *ContainerEngine) ContainerUnmount(ctx context.Context, nameOrIds []string, options entities.ContainerUnmountOptions) ([]*entities.ContainerUnmountReport, error) {
+ var reports []*entities.ContainerUnmountReport
+ ctrs, err := getContainersByContext(options.All, options.Latest, nameOrIds, ic.Libpod)
+ if err != nil {
+ return nil, err
+ }
+ for _, ctr := range ctrs {
+ state, err := ctr.State()
+ if err != nil {
+ logrus.Debugf("Error umounting container %s state: %s", ctr.ID(), err.Error())
+ continue
+ }
+ if state == define.ContainerStateRunning {
+ logrus.Debugf("Error umounting container %s, is running", ctr.ID())
+ continue
+ }
+
+ report := entities.ContainerUnmountReport{Id: ctr.ID()}
+ if err := ctr.Unmount(options.Force); err != nil {
+ if options.All && errors.Cause(err) == storage.ErrLayerNotMounted {
+ logrus.Debugf("Error umounting container %s, storage.ErrLayerNotMounted", ctr.ID())
+ continue
+ }
+ report.Err = errors.Wrapf(err, "error unmounting container %s", ctr.ID())
+ }
+ reports = append(reports, &report)
+ }
+ return reports, nil
+}
+
+// GetConfig returns a copy of the configuration used by the runtime
+func (ic *ContainerEngine) Config(_ context.Context) (*config.Config, error) {
+ return ic.Libpod.GetConfig()
+}
diff --git a/pkg/domain/infra/abi/events.go b/pkg/domain/infra/abi/events.go
new file mode 100644
index 000000000..9540a5b96
--- /dev/null
+++ b/pkg/domain/infra/abi/events.go
@@ -0,0 +1,18 @@
+//+build ABISupport
+
+package abi
+
+import (
+ "context"
+
+ "github.com/containers/libpod/libpod/events"
+ "github.com/containers/libpod/pkg/domain/entities"
+ "github.com/sirupsen/logrus"
+)
+
+func (ic *ContainerEngine) Events(ctx context.Context, opts entities.EventsOptions) error {
+ readOpts := events.ReadOptions{FromStart: opts.FromStart, Stream: opts.Stream, Filters: opts.Filter, EventChannel: opts.EventChan, Since: opts.Since, Until: opts.Until}
+ err := ic.Libpod.Events(readOpts)
+ logrus.Error(err)
+ return err
+}
diff --git a/pkg/domain/infra/abi/images.go b/pkg/domain/infra/abi/images.go
index f8c63730c..9467c14d4 100644
--- a/pkg/domain/infra/abi/images.go
+++ b/pkg/domain/infra/abi/images.go
@@ -9,26 +9,31 @@ import (
"os"
"strings"
+ "github.com/containers/common/pkg/config"
"github.com/containers/image/v5/docker"
dockerarchive "github.com/containers/image/v5/docker/archive"
"github.com/containers/image/v5/docker/reference"
+ "github.com/containers/image/v5/manifest"
"github.com/containers/image/v5/transports/alltransports"
"github.com/containers/image/v5/types"
+ "github.com/containers/libpod/libpod/define"
"github.com/containers/libpod/libpod/image"
libpodImage "github.com/containers/libpod/libpod/image"
"github.com/containers/libpod/pkg/domain/entities"
domainUtils "github.com/containers/libpod/pkg/domain/utils"
"github.com/containers/libpod/pkg/util"
"github.com/containers/storage"
+ imgspecv1 "github.com/opencontainers/image-spec/specs-go/v1"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
)
func (ir *ImageEngine) Exists(_ context.Context, nameOrId string) (*entities.BoolReport, error) {
- if _, err := ir.Libpod.ImageRuntime().NewFromLocal(nameOrId); err != nil {
- return &entities.BoolReport{}, nil
+ _, err := ir.Libpod.ImageRuntime().NewFromLocal(nameOrId)
+ if err != nil && errors.Cause(err) != define.ErrNoSuchImage {
+ return nil, err
}
- return &entities.BoolReport{Value: true}, nil
+ return &entities.BoolReport{Value: err == nil}, nil
}
func (ir *ImageEngine) Delete(ctx context.Context, nameOrId []string, opts entities.ImageDeleteOptions) (*entities.ImageDeleteReport, error) {
@@ -41,7 +46,9 @@ func (ir *ImageEngine) Delete(ctx context.Context, nameOrId []string, opts entit
if err != nil {
return &report, errors.Wrapf(err, "unable to query local images")
}
-
+ if len(targets) == 0 {
+ return &report, nil
+ }
if len(targets) > 0 && len(targets) == len(previousTargets) {
return &report, errors.New("unable to delete all images; re-run the rmi command again.")
}
@@ -138,7 +145,7 @@ func (ir *ImageEngine) History(ctx context.Context, nameOrId string, opts entiti
func ToDomainHistoryLayer(layer *libpodImage.History) entities.ImageHistoryLayer {
l := entities.ImageHistoryLayer{}
l.ID = layer.ID
- l.Created = layer.Created.Unix()
+ l.Created = *layer.Created
l.CreatedBy = layer.CreatedBy
copy(l.Tags, layer.Tags)
l.Size = layer.Size
@@ -260,6 +267,64 @@ func (ir *ImageEngine) Inspect(ctx context.Context, names []string, opts entitie
return &report, nil
}
+func (ir *ImageEngine) Push(ctx context.Context, source string, destination string, options entities.ImagePushOptions) error {
+ var writer io.Writer
+ if !options.Quiet {
+ writer = os.Stderr
+ }
+
+ var manifestType string
+ switch options.Format {
+ case "":
+ // Default
+ case "oci":
+ manifestType = imgspecv1.MediaTypeImageManifest
+ case "v2s1":
+ manifestType = manifest.DockerV2Schema1SignedMediaType
+ case "v2s2", "docker":
+ manifestType = manifest.DockerV2Schema2MediaType
+ default:
+ return fmt.Errorf("unknown format %q. Choose on of the supported formats: 'oci', 'v2s1', or 'v2s2'", options.Format)
+ }
+
+ var registryCreds *types.DockerAuthConfig
+ if options.Credentials != "" {
+ creds, err := util.ParseRegistryCreds(options.Credentials)
+ if err != nil {
+ return err
+ }
+ registryCreds = creds
+ }
+ dockerRegistryOptions := image.DockerRegistryOptions{
+ DockerRegistryCreds: registryCreds,
+ DockerCertPath: options.CertDir,
+ DockerInsecureSkipTLSVerify: options.TLSVerify,
+ }
+
+ signOptions := image.SigningOptions{
+ RemoveSignatures: options.RemoveSignatures,
+ SignBy: options.SignBy,
+ }
+
+ newImage, err := ir.Libpod.ImageRuntime().NewFromLocal(source)
+ if err != nil {
+ return err
+ }
+
+ return newImage.PushImageToHeuristicDestination(
+ ctx,
+ destination,
+ manifestType,
+ options.Authfile,
+ options.DigestFile,
+ options.SignaturePolicy,
+ writer,
+ options.Compress,
+ signOptions,
+ &dockerRegistryOptions,
+ nil)
+}
+
// func (r *imageRuntime) Delete(ctx context.Context, nameOrId string, opts entities.ImageDeleteOptions) (*entities.ImageDeleteReport, error) {
// image, err := r.libpod.ImageEngine().NewFromLocal(nameOrId)
// if err != nil {
@@ -332,8 +397,10 @@ func (ir *ImageEngine) Load(ctx context.Context, opts entities.ImageLoadOptions)
if err != nil {
return nil, errors.Wrap(err, "image loaded but no additional tags were created")
}
- if err := newImage.TagImage(opts.Name); err != nil {
- return nil, errors.Wrapf(err, "error adding %q to image %q", opts.Name, newImage.InputName)
+ if len(opts.Name) > 0 {
+ if err := newImage.TagImage(fmt.Sprintf("%s:%s", opts.Name, opts.Tag)); err != nil {
+ return nil, errors.Wrapf(err, "error adding %q to image %q", opts.Name, newImage.InputName)
+ }
}
return &entities.ImageLoadReport{Name: name}, nil
}
@@ -345,3 +412,59 @@ func (ir *ImageEngine) Import(ctx context.Context, opts entities.ImageImportOpti
}
return &entities.ImageImportReport{Id: id}, nil
}
+
+func (ir *ImageEngine) Save(ctx context.Context, nameOrId string, tags []string, options entities.ImageSaveOptions) error {
+ newImage, err := ir.Libpod.ImageRuntime().NewFromLocal(nameOrId)
+ if err != nil {
+ return err
+ }
+ return newImage.Save(ctx, nameOrId, options.Format, options.Output, tags, options.Quiet, options.Compress)
+}
+
+func (ir *ImageEngine) Diff(_ context.Context, nameOrId string, _ entities.DiffOptions) (*entities.DiffReport, error) {
+ changes, err := ir.Libpod.GetDiff("", nameOrId)
+ if err != nil {
+ return nil, err
+ }
+ return &entities.DiffReport{Changes: changes}, nil
+}
+
+func (ir *ImageEngine) Search(ctx context.Context, term string, opts entities.ImageSearchOptions) ([]entities.ImageSearchReport, error) {
+ filter, err := image.ParseSearchFilter(opts.Filters)
+ if err != nil {
+ return nil, err
+ }
+
+ searchOpts := image.SearchOptions{
+ Authfile: opts.Authfile,
+ Filter: *filter,
+ Limit: opts.Limit,
+ NoTrunc: opts.NoTrunc,
+ InsecureSkipTLSVerify: opts.TLSVerify,
+ }
+
+ searchResults, err := image.SearchImages(term, searchOpts)
+ if err != nil {
+ return nil, err
+ }
+
+ // Convert from image.SearchResults to entities.ImageSearchReport. We don't
+ // want to leak any low-level packages into the remote client, which
+ // requires converting.
+ reports := make([]entities.ImageSearchReport, len(searchResults))
+ for i := range searchResults {
+ reports[i].Index = searchResults[i].Index
+ reports[i].Name = searchResults[i].Name
+ reports[i].Description = searchResults[i].Index
+ reports[i].Stars = searchResults[i].Stars
+ reports[i].Official = searchResults[i].Official
+ reports[i].Automated = searchResults[i].Automated
+ }
+
+ return reports, nil
+}
+
+// GetConfig returns a copy of the configuration used by the runtime
+func (ir *ImageEngine) Config(_ context.Context) (*config.Config, error) {
+ return ir.Libpod.GetConfig()
+}
diff --git a/pkg/domain/infra/abi/pods.go b/pkg/domain/infra/abi/pods.go
index 494a048ec..59bf0f636 100644
--- a/pkg/domain/infra/abi/pods.go
+++ b/pkg/domain/infra/abi/pods.go
@@ -7,10 +7,11 @@ import (
"github.com/containers/libpod/libpod"
"github.com/containers/libpod/libpod/define"
- "github.com/containers/libpod/libpod/podfilters"
+ lpfilters "github.com/containers/libpod/libpod/filters"
"github.com/containers/libpod/pkg/domain/entities"
"github.com/containers/libpod/pkg/signal"
"github.com/containers/libpod/pkg/specgen"
+ "github.com/containers/libpod/pkg/specgen/generate"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
)
@@ -245,7 +246,7 @@ func (ic *ContainerEngine) PodRm(ctx context.Context, namesOrIds []string, optio
func (ic *ContainerEngine) PodCreate(ctx context.Context, opts entities.PodCreateOptions) (*entities.PodCreateReport, error) {
podSpec := specgen.NewPodSpecGenerator()
opts.ToPodSpecGen(podSpec)
- pod, err := podSpec.MakePod(ic.Libpod)
+ pod, err := generate.MakePod(podSpec, ic.Libpod)
if err != nil {
return nil, err
}
@@ -281,7 +282,7 @@ func (ic *ContainerEngine) PodPs(ctx context.Context, options entities.PodPSOpti
)
for k, v := range options.Filters {
for _, filter := range v {
- f, err := podfilters.GeneratePodFilterFunc(k, filter)
+ f, err := lpfilters.GeneratePodFilterFunc(k, filter)
if err != nil {
return nil, err
}
@@ -331,3 +332,24 @@ func (ic *ContainerEngine) PodPs(ctx context.Context, options entities.PodPSOpti
}
return reports, nil
}
+
+func (ic *ContainerEngine) PodInspect(ctx context.Context, options entities.PodInspectOptions) (*entities.PodInspectReport, error) {
+ var (
+ pod *libpod.Pod
+ err error
+ )
+ // Look up the pod.
+ if options.Latest {
+ pod, err = ic.Libpod.GetLatestPod()
+ } else {
+ pod, err = ic.Libpod.LookupPod(options.NameOrID)
+ }
+ if err != nil {
+ return nil, errors.Wrap(err, "unable to lookup requested container")
+ }
+ inspect, err := pod.Inspect()
+ if err != nil {
+ return nil, err
+ }
+ return &entities.PodInspectReport{InspectPodData: inspect}, nil
+}
diff --git a/pkg/domain/infra/abi/system.go b/pkg/domain/infra/abi/system.go
new file mode 100644
index 000000000..67593b2dd
--- /dev/null
+++ b/pkg/domain/infra/abi/system.go
@@ -0,0 +1,215 @@
+// +build ABISupport
+
+package abi
+
+import (
+ "context"
+ "fmt"
+ "io/ioutil"
+ "net"
+ "os"
+ "strconv"
+ "strings"
+ "syscall"
+
+ "github.com/containers/common/pkg/config"
+ "github.com/containers/libpod/libpod/define"
+ api "github.com/containers/libpod/pkg/api/server"
+ "github.com/containers/libpod/pkg/cgroups"
+ "github.com/containers/libpod/pkg/domain/entities"
+ "github.com/containers/libpod/pkg/rootless"
+ "github.com/containers/libpod/pkg/util"
+ iopodman "github.com/containers/libpod/pkg/varlink"
+ iopodmanAPI "github.com/containers/libpod/pkg/varlinkapi"
+ "github.com/containers/libpod/utils"
+ "github.com/containers/libpod/version"
+ "github.com/pkg/errors"
+ "github.com/sirupsen/logrus"
+ "github.com/spf13/cobra"
+ "github.com/varlink/go/varlink"
+)
+
+func (ic *ContainerEngine) Info(ctx context.Context) (*define.Info, error) {
+ return ic.Libpod.Info()
+}
+
+func (ic *ContainerEngine) RestService(_ context.Context, opts entities.ServiceOptions) error {
+ var (
+ listener net.Listener
+ err error
+ )
+
+ if opts.URI != "" {
+ fields := strings.Split(opts.URI, ":")
+ if len(fields) == 1 {
+ return errors.Errorf("%s is an invalid socket destination", opts.URI)
+ }
+ address := strings.Join(fields[1:], ":")
+ listener, err = net.Listen(fields[0], address)
+ if err != nil {
+ return errors.Wrapf(err, "unable to create socket %s", opts.URI)
+ }
+ }
+
+ server, err := api.NewServerWithSettings(ic.Libpod, opts.Timeout, &listener)
+ if err != nil {
+ return err
+ }
+ defer func() {
+ if err := server.Shutdown(); err != nil {
+ logrus.Warnf("Error when stopping API service: %s", err)
+ }
+ }()
+
+ err = server.Serve()
+ _ = listener.Close()
+ return err
+}
+
+func (ic *ContainerEngine) VarlinkService(_ context.Context, opts entities.ServiceOptions) error {
+ var varlinkInterfaces = []*iopodman.VarlinkInterface{
+ iopodmanAPI.New(opts.Command, ic.Libpod),
+ }
+
+ service, err := varlink.NewService(
+ "Atomic",
+ "podman",
+ version.Version,
+ "https://github.com/containers/libpod",
+ )
+ if err != nil {
+ return errors.Wrapf(err, "unable to create new varlink service")
+ }
+
+ for _, i := range varlinkInterfaces {
+ if err := service.RegisterInterface(i); err != nil {
+ return errors.Errorf("unable to register varlink interface %v", i)
+ }
+ }
+
+ // Run the varlink server at the given address
+ if err = service.Listen(opts.URI, opts.Timeout); err != nil {
+ switch err.(type) {
+ case varlink.ServiceTimeoutError:
+ logrus.Infof("varlink service expired (use --timeout to increase session time beyond %s ms, 0 means never timeout)", opts.Timeout.String())
+ return nil
+ default:
+ return errors.Wrapf(err, "unable to start varlink service")
+ }
+ }
+ return nil
+}
+
+func (ic *ContainerEngine) SetupRootless(_ context.Context, cmd *cobra.Command) error {
+ // do it only after podman has already re-execed and running with uid==0.
+ if os.Geteuid() == 0 {
+ ownsCgroup, err := cgroups.UserOwnsCurrentSystemdCgroup()
+ if err != nil {
+ logrus.Warnf("Failed to detect the owner for the current cgroup: %v", err)
+ }
+ if !ownsCgroup {
+ conf, err := ic.Config(context.Background())
+ if err != nil {
+ return err
+ }
+ unitName := fmt.Sprintf("podman-%d.scope", os.Getpid())
+ if err := utils.RunUnderSystemdScope(os.Getpid(), "user.slice", unitName); err != nil {
+ if conf.Engine.CgroupManager == config.SystemdCgroupsManager {
+ logrus.Warnf("Failed to add podman to systemd sandbox cgroup: %v", err)
+ } else {
+ logrus.Debugf("Failed to add podman to systemd sandbox cgroup: %v", err)
+ }
+ }
+ }
+ }
+
+ pausePidPath, err := util.GetRootlessPauseProcessPidPath()
+ if err != nil {
+ return errors.Wrapf(err, "could not get pause process pid file path")
+ }
+
+ became, ret, err := rootless.TryJoinPauseProcess(pausePidPath)
+ if err != nil {
+ return err
+ }
+ if became {
+ os.Exit(ret)
+ }
+
+ // if there is no pid file, try to join existing containers, and create a pause process.
+ ctrs, err := ic.Libpod.GetRunningContainers()
+ if err != nil {
+ logrus.Error(err.Error())
+ os.Exit(1)
+ }
+
+ paths := []string{}
+ for _, ctr := range ctrs {
+ paths = append(paths, ctr.Config().ConmonPidFile)
+ }
+
+ became, ret, err = rootless.TryJoinFromFilePaths(pausePidPath, true, paths)
+ if err := movePauseProcessToScope(); err != nil {
+ conf, err := ic.Config(context.Background())
+ if err != nil {
+ return err
+ }
+ if conf.Engine.CgroupManager == config.SystemdCgroupsManager {
+ logrus.Warnf("Failed to add pause process to systemd sandbox cgroup: %v", err)
+ } else {
+ logrus.Debugf("Failed to add pause process to systemd sandbox cgroup: %v", err)
+ }
+ }
+ if err != nil {
+ logrus.Error(err)
+ os.Exit(1)
+ }
+ if became {
+ os.Exit(ret)
+ }
+ return nil
+}
+
+func movePauseProcessToScope() error {
+ pausePidPath, err := util.GetRootlessPauseProcessPidPath()
+ if err != nil {
+ return errors.Wrapf(err, "could not get pause process pid file path")
+ }
+
+ data, err := ioutil.ReadFile(pausePidPath)
+ if err != nil {
+ return errors.Wrapf(err, "cannot read pause pid file")
+ }
+ pid, err := strconv.ParseUint(string(data), 10, 0)
+ if err != nil {
+ return errors.Wrapf(err, "cannot parse pid file %s", pausePidPath)
+ }
+
+ return utils.RunUnderSystemdScope(int(pid), "user.slice", "podman-pause.scope")
+}
+
+func setRLimits() error { // nolint:deadcode,unused
+ rlimits := new(syscall.Rlimit)
+ rlimits.Cur = 1048576
+ rlimits.Max = 1048576
+ if err := syscall.Setrlimit(syscall.RLIMIT_NOFILE, rlimits); err != nil {
+ if err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, rlimits); err != nil {
+ return errors.Wrapf(err, "error getting rlimits")
+ }
+ rlimits.Cur = rlimits.Max
+ if err := syscall.Setrlimit(syscall.RLIMIT_NOFILE, rlimits); err != nil {
+ return errors.Wrapf(err, "error setting new rlimits")
+ }
+ }
+ return nil
+}
+
+func setUMask() { // nolint:deadcode,unused
+ // Be sure we can create directories with 0755 mode.
+ syscall.Umask(0022)
+}
+
+// checkInput can be used to verify any of the globalopt values
+func checkInput() error { // nolint:deadcode,unused
+ return nil
+}
diff --git a/pkg/domain/infra/abi/terminal/sigproxy_linux.go b/pkg/domain/infra/abi/terminal/sigproxy_linux.go
new file mode 100644
index 000000000..d7f5853d8
--- /dev/null
+++ b/pkg/domain/infra/abi/terminal/sigproxy_linux.go
@@ -0,0 +1,47 @@
+// +build ABISupport
+
+package terminal
+
+import (
+ "os"
+ "syscall"
+
+ "github.com/containers/libpod/libpod"
+ "github.com/containers/libpod/pkg/signal"
+ "github.com/sirupsen/logrus"
+)
+
+// ProxySignals ...
+func ProxySignals(ctr *libpod.Container) {
+ sigBuffer := make(chan os.Signal, 128)
+ signal.CatchAll(sigBuffer)
+
+ logrus.Debugf("Enabling signal proxying")
+
+ go func() {
+ for s := range sigBuffer {
+ // Ignore SIGCHLD and SIGPIPE - these are mostly likely
+ // intended for the podman command itself.
+ // SIGURG was added because of golang 1.14 and its preemptive changes
+ // causing more signals to "show up".
+ // https://github.com/containers/libpod/issues/5483
+ if s == syscall.SIGCHLD || s == syscall.SIGPIPE || s == syscall.SIGURG {
+ continue
+ }
+
+ if err := ctr.Kill(uint(s.(syscall.Signal))); err != nil {
+ // If the container dies, and we find out here,
+ // we need to forward that one signal to
+ // ourselves so that it is not lost, and then
+ // we terminate the proxy and let the defaults
+ // play out.
+ logrus.Errorf("Error forwarding signal %d to container %s: %v", s, ctr.ID(), err)
+ signal.StopCatch(sigBuffer)
+ if err := syscall.Kill(syscall.Getpid(), s.(syscall.Signal)); err != nil {
+ logrus.Errorf("failed to kill pid %d", syscall.Getpid())
+ }
+ return
+ }
+ }
+ }()
+}
diff --git a/pkg/domain/infra/abi/terminal/terminal.go b/pkg/domain/infra/abi/terminal/terminal.go
new file mode 100644
index 000000000..f187bdd6b
--- /dev/null
+++ b/pkg/domain/infra/abi/terminal/terminal.go
@@ -0,0 +1,103 @@
+// +build ABISupport
+
+package terminal
+
+import (
+ "context"
+ "os"
+ "os/signal"
+
+ lsignal "github.com/containers/libpod/pkg/signal"
+ "github.com/docker/docker/pkg/term"
+ "github.com/pkg/errors"
+ "github.com/sirupsen/logrus"
+ "k8s.io/client-go/tools/remotecommand"
+)
+
+// RawTtyFormatter ...
+type RawTtyFormatter struct {
+}
+
+// getResize returns a TerminalSize command matching stdin's current
+// size on success, and nil on errors.
+func getResize() *remotecommand.TerminalSize {
+ winsize, err := term.GetWinsize(os.Stdin.Fd())
+ if err != nil {
+ logrus.Warnf("Could not get terminal size %v", err)
+ return nil
+ }
+ return &remotecommand.TerminalSize{
+ Width: winsize.Width,
+ Height: winsize.Height,
+ }
+}
+
+// Helper for prepareAttach - set up a goroutine to generate terminal resize events
+func resizeTty(ctx context.Context, resize chan remotecommand.TerminalSize) {
+ sigchan := make(chan os.Signal, 1)
+ signal.Notify(sigchan, lsignal.SIGWINCH)
+ go func() {
+ defer close(resize)
+ // Update the terminal size immediately without waiting
+ // for a SIGWINCH to get the correct initial size.
+ resizeEvent := getResize()
+ for {
+ if resizeEvent == nil {
+ select {
+ case <-ctx.Done():
+ return
+ case <-sigchan:
+ resizeEvent = getResize()
+ }
+ } else {
+ select {
+ case <-ctx.Done():
+ return
+ case <-sigchan:
+ resizeEvent = getResize()
+ case resize <- *resizeEvent:
+ resizeEvent = nil
+ }
+ }
+ }
+ }()
+}
+
+func restoreTerminal(state *term.State) error {
+ logrus.SetFormatter(&logrus.TextFormatter{})
+ return term.RestoreTerminal(os.Stdin.Fd(), state)
+}
+
+// Format ...
+func (f *RawTtyFormatter) Format(entry *logrus.Entry) ([]byte, error) {
+ textFormatter := logrus.TextFormatter{}
+ bytes, err := textFormatter.Format(entry)
+
+ if err == nil {
+ bytes = append(bytes, '\r')
+ }
+
+ return bytes, err
+}
+
+func handleTerminalAttach(ctx context.Context, resize chan remotecommand.TerminalSize) (context.CancelFunc, *term.State, error) {
+ logrus.Debugf("Handling terminal attach")
+
+ subCtx, cancel := context.WithCancel(ctx)
+
+ resizeTty(subCtx, resize)
+
+ oldTermState, err := term.SaveState(os.Stdin.Fd())
+ if err != nil {
+ // allow caller to not have to do any cleaning up if we error here
+ cancel()
+ return nil, nil, errors.Wrapf(err, "unable to save terminal state")
+ }
+
+ logrus.SetFormatter(&RawTtyFormatter{})
+ if _, err := term.SetRawTerminal(os.Stdin.Fd()); err != nil {
+ return cancel, nil, err
+ }
+
+ return cancel, oldTermState, nil
+}
diff --git a/pkg/domain/infra/abi/terminal/terminal_linux.go b/pkg/domain/infra/abi/terminal/terminal_linux.go
new file mode 100644
index 000000000..664205df1
--- /dev/null
+++ b/pkg/domain/infra/abi/terminal/terminal_linux.go
@@ -0,0 +1,123 @@
+// +build ABISupport
+
+package terminal
+
+import (
+ "bufio"
+ "context"
+ "fmt"
+ "os"
+
+ "github.com/containers/libpod/libpod"
+ "github.com/containers/libpod/libpod/define"
+ "github.com/pkg/errors"
+ "github.com/sirupsen/logrus"
+ "golang.org/x/crypto/ssh/terminal"
+ "k8s.io/client-go/tools/remotecommand"
+)
+
+// ExecAttachCtr execs and attaches to a container
+func ExecAttachCtr(ctx context.Context, ctr *libpod.Container, tty, privileged bool, env map[string]string, cmd []string, user, workDir string, streams *define.AttachStreams, preserveFDs uint, detachKeys string) (int, error) {
+ resize := make(chan remotecommand.TerminalSize)
+ haveTerminal := terminal.IsTerminal(int(os.Stdin.Fd()))
+
+ // Check if we are attached to a terminal. If we are, generate resize
+ // events, and set the terminal to raw mode
+ if haveTerminal && tty {
+ cancel, oldTermState, err := handleTerminalAttach(ctx, resize)
+ if err != nil {
+ return -1, err
+ }
+ defer cancel()
+ defer func() {
+ if err := restoreTerminal(oldTermState); err != nil {
+ logrus.Errorf("unable to restore terminal: %q", err)
+ }
+ }()
+ }
+
+ execConfig := new(libpod.ExecConfig)
+ execConfig.Command = cmd
+ execConfig.Terminal = tty
+ execConfig.Privileged = privileged
+ execConfig.Environment = env
+ execConfig.User = user
+ execConfig.WorkDir = workDir
+ execConfig.DetachKeys = &detachKeys
+ execConfig.PreserveFDs = preserveFDs
+
+ return ctr.Exec(execConfig, streams, resize)
+}
+
+// StartAttachCtr starts and (if required) attaches to a container
+// if you change the signature of this function from os.File to io.Writer, it will trigger a downstream
+// error. we may need to just lint disable this one.
+func StartAttachCtr(ctx context.Context, ctr *libpod.Container, stdout, stderr, stdin *os.File, detachKeys string, sigProxy bool, startContainer bool, recursive bool) error { //nolint-interfacer
+ resize := make(chan remotecommand.TerminalSize)
+
+ haveTerminal := terminal.IsTerminal(int(os.Stdin.Fd()))
+
+ // Check if we are attached to a terminal. If we are, generate resize
+ // events, and set the terminal to raw mode
+ if haveTerminal && ctr.Spec().Process.Terminal {
+ cancel, oldTermState, err := handleTerminalAttach(ctx, resize)
+ if err != nil {
+ return err
+ }
+ defer func() {
+ if err := restoreTerminal(oldTermState); err != nil {
+ logrus.Errorf("unable to restore terminal: %q", err)
+ }
+ }()
+ defer cancel()
+ }
+
+ streams := new(define.AttachStreams)
+ streams.OutputStream = stdout
+ streams.ErrorStream = stderr
+ streams.InputStream = bufio.NewReader(stdin)
+ streams.AttachOutput = true
+ streams.AttachError = true
+ streams.AttachInput = true
+
+ if stdout == nil {
+ logrus.Debugf("Not attaching to stdout")
+ streams.AttachOutput = false
+ }
+ if stderr == nil {
+ logrus.Debugf("Not attaching to stderr")
+ streams.AttachError = false
+ }
+ if stdin == nil {
+ logrus.Debugf("Not attaching to stdin")
+ streams.AttachInput = false
+ }
+
+ if !startContainer {
+ if sigProxy {
+ ProxySignals(ctr)
+ }
+
+ return ctr.Attach(streams, detachKeys, resize)
+ }
+
+ attachChan, err := ctr.StartAndAttach(ctx, streams, detachKeys, resize, recursive)
+ if err != nil {
+ return err
+ }
+
+ if sigProxy {
+ ProxySignals(ctr)
+ }
+
+ if stdout == nil && stderr == nil {
+ fmt.Printf("%s\n", ctr.ID())
+ }
+
+ err = <-attachChan
+ if err != nil {
+ return errors.Wrapf(err, "error attaching to container %s", ctr.ID())
+ }
+
+ return nil
+}
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-12-26 07:44:03 +0000