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path: root/pkg/domain/infra/abi/containers.go
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Diffstat (limited to 'pkg/domain/infra/abi/containers.go')
-rw-r--r--pkg/domain/infra/abi/containers.go272
1 files changed, 263 insertions, 9 deletions
diff --git a/pkg/domain/infra/abi/containers.go b/pkg/domain/infra/abi/containers.go
index d3d51db82..ccbe6d4fd 100644
--- a/pkg/domain/infra/abi/containers.go
+++ b/pkg/domain/infra/abi/containers.go
@@ -5,16 +5,19 @@ package abi
import (
"context"
"io/ioutil"
+ "strconv"
"strings"
"github.com/containers/buildah"
"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/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/signal"
"github.com/containers/libpod/pkg/specgen"
"github.com/containers/libpod/pkg/specgen/generate"
@@ -64,7 +67,7 @@ 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
}
@@ -90,7 +93,7 @@ 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
@@ -111,7 +114,7 @@ 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
@@ -135,7 +138,7 @@ 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
}
@@ -171,7 +174,7 @@ 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
}
@@ -187,7 +190,7 @@ 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
}
@@ -229,7 +232,7 @@ 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
@@ -277,7 +280,7 @@ 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
}
@@ -455,3 +458,254 @@ func (ic *ContainerEngine) ContainerCreate(ctx context.Context, s *specgen.SpecG
}
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) {
+ var (
+ joinPod bool
+ )
+ 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
+ }
+
+ 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
+}