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-rw-r--r--cmd/podman/attach.go2
-rw-r--r--cmd/podman/cleanup.go22
-rw-r--r--cmd/podman/cliconfig/config.go1
-rw-r--r--cmd/podman/run.go24
-rw-r--r--cmd/podman/start.go7
-rw-r--r--cmd/podman/utils.go2
-rw-r--r--libpod/container_attach_linux.go4
-rw-r--r--libpod/errors.go5
-rw-r--r--pkg/spec/createconfig.go17
-rw-r--r--utils/utils.go12
10 files changed, 58 insertions, 38 deletions
diff --git a/cmd/podman/attach.go b/cmd/podman/attach.go
index c29886825..8e760582d 100644
--- a/cmd/podman/attach.go
+++ b/cmd/podman/attach.go
@@ -74,7 +74,7 @@ func attachCmd(c *cliconfig.AttachValues) error {
inputStream = nil
}
- if err := startAttachCtr(ctr, os.Stdout, os.Stderr, inputStream, c.DetachKeys, c.SigProxy, false); err != nil {
+ if err := startAttachCtr(ctr, os.Stdout, os.Stderr, inputStream, c.DetachKeys, c.SigProxy, false); err != nil && err != libpod.ErrDetach {
return errors.Wrapf(err, "error attaching to container %s", ctr.ID())
}
diff --git a/cmd/podman/cleanup.go b/cmd/podman/cleanup.go
index b1f727d33..064551189 100644
--- a/cmd/podman/cleanup.go
+++ b/cmd/podman/cleanup.go
@@ -37,6 +37,7 @@ func init() {
flags.BoolVarP(&cleanupCommand.All, "all", "a", false, "Cleans up all containers")
flags.BoolVarP(&cleanupCommand.Latest, "latest", "l", false, "Act on the latest container podman is aware of")
+ flags.BoolVar(&cleanupCommand.Rm, "rm", false, "After cleanup, remove the container entirely")
}
func cleanupCmd(c *cliconfig.CleanupValues) error {
@@ -55,12 +56,25 @@ func cleanupCmd(c *cliconfig.CleanupValues) error {
ctx := getContext()
for _, ctr := range cleanupContainers {
- if err = ctr.Cleanup(ctx); err != nil {
- if lastError != nil {
- fmt.Fprintln(os.Stderr, lastError)
+ hadError := false
+ if c.Rm {
+ if err := runtime.RemoveContainer(ctx, ctr, false); err != nil {
+ if lastError != nil {
+ fmt.Fprintln(os.Stderr, lastError)
+ }
+ lastError = errors.Wrapf(err, "failed to cleanup and remove container %v", ctr.ID())
+ hadError = true
}
- lastError = errors.Wrapf(err, "failed to cleanup container %v", ctr.ID())
} else {
+ if err := ctr.Cleanup(ctx); err != nil {
+ if lastError != nil {
+ fmt.Fprintln(os.Stderr, lastError)
+ }
+ lastError = errors.Wrapf(err, "failed to cleanup container %v", ctr.ID())
+ hadError = true
+ }
+ }
+ if !hadError {
fmt.Println(ctr.ID())
}
}
diff --git a/cmd/podman/cliconfig/config.go b/cmd/podman/cliconfig/config.go
index b925d29ff..e895b4a49 100644
--- a/cmd/podman/cliconfig/config.go
+++ b/cmd/podman/cliconfig/config.go
@@ -531,6 +531,7 @@ type CleanupValues struct {
PodmanCommand
All bool
Latest bool
+ Rm bool
}
type SystemPruneValues struct {
diff --git a/cmd/podman/run.go b/cmd/podman/run.go
index 8649dc190..6002578ff 100644
--- a/cmd/podman/run.go
+++ b/cmd/podman/run.go
@@ -118,6 +118,14 @@ func runCmd(c *cliconfig.RunValues) error {
}
}
if err := startAttachCtr(ctr, outputStream, errorStream, inputStream, c.String("detach-keys"), c.Bool("sig-proxy"), true); err != nil {
+ // We've manually detached from the container
+ // Do not perform cleanup, or wait for container exit code
+ // Just exit immediately
+ if err == libpod.ErrDetach {
+ exitCode = 0
+ return nil
+ }
+
// This means the command did not exist
exitCode = 127
if strings.Index(err.Error(), "permission denied") > -1 {
@@ -147,22 +155,6 @@ func runCmd(c *cliconfig.RunValues) error {
exitCode = int(ecode)
}
- if createConfig.Rm {
- return runtime.RemoveContainer(ctx, ctr, true)
- }
-
- if err := ctr.Cleanup(ctx); err != nil {
- // If the container has been removed already, no need to error on cleanup
- // Also, if it was restarted, don't error either
- if errors.Cause(err) == libpod.ErrNoSuchCtr ||
- errors.Cause(err) == libpod.ErrCtrRemoved ||
- errors.Cause(err) == libpod.ErrCtrStateInvalid {
- return nil
- }
-
- return err
- }
-
return nil
}
diff --git a/cmd/podman/start.go b/cmd/podman/start.go
index 344719fca..1de258aa4 100644
--- a/cmd/podman/start.go
+++ b/cmd/podman/start.go
@@ -108,6 +108,13 @@ func startCmd(c *cliconfig.StartValues) error {
// attach to the container and also start it not already running
err = startAttachCtr(ctr, os.Stdout, os.Stderr, inputStream, c.DetachKeys, sigProxy, !ctrRunning)
+ if err == libpod.ErrDetach {
+ // User manually detached
+ // Exit cleanly immediately
+ exitCode = 0
+ return nil
+ }
+
if ctrRunning {
return err
}
diff --git a/cmd/podman/utils.go b/cmd/podman/utils.go
index 744d010d5..c62015344 100644
--- a/cmd/podman/utils.go
+++ b/cmd/podman/utils.go
@@ -91,7 +91,7 @@ func startAttachCtr(ctr *libpod.Container, stdout, stderr, stdin *os.File, detac
err = <-attachChan
if err != nil {
- return errors.Wrapf(err, "error attaching to container %s", ctr.ID())
+ return err
}
return nil
diff --git a/libpod/container_attach_linux.go b/libpod/container_attach_linux.go
index 1d6f0bd96..3ff6ddc76 100644
--- a/libpod/container_attach_linux.go
+++ b/libpod/container_attach_linux.go
@@ -109,8 +109,8 @@ func (c *Container) attachContainerSocket(resize <-chan remotecommand.TerminalSi
case err := <-receiveStdoutError:
return err
case err := <-stdinDone:
- if _, ok := err.(utils.DetachError); ok {
- return nil
+ if err == ErrDetach {
+ return err
}
if streams.AttachOutput || streams.AttachError {
return <-receiveStdoutError
diff --git a/libpod/errors.go b/libpod/errors.go
index 30a19d30f..dd82d0796 100644
--- a/libpod/errors.go
+++ b/libpod/errors.go
@@ -4,6 +4,7 @@ import (
"errors"
"github.com/containers/libpod/libpod/image"
+ "github.com/containers/libpod/utils"
)
var (
@@ -56,6 +57,10 @@ var (
// ErrInternal indicates an internal library error
ErrInternal = errors.New("internal libpod error")
+ // ErrDetach indicates that an attach session was manually detached by
+ // the user.
+ ErrDetach = utils.ErrDetach
+
// ErrRuntimeStopped indicates that the runtime has already been shut
// down and no further operations can be performed on it
ErrRuntimeStopped = errors.New("runtime has already been stopped")
diff --git a/pkg/spec/createconfig.go b/pkg/spec/createconfig.go
index f6c77d61c..8edab831f 100644
--- a/pkg/spec/createconfig.go
+++ b/pkg/spec/createconfig.go
@@ -11,7 +11,6 @@ import (
"github.com/containers/libpod/libpod"
"github.com/containers/libpod/pkg/namespaces"
- "github.com/containers/libpod/pkg/rootless"
"github.com/containers/storage"
"github.com/cri-o/ocicni/pkg/ocicni"
"github.com/docker/go-connections/nat"
@@ -340,7 +339,13 @@ func (c *CreateConfig) createExitCommand() []string {
if c.Syslog {
command = append(command, "--syslog")
}
- return append(command, []string{"container", "cleanup"}...)
+ command = append(command, []string{"container", "cleanup"}...)
+
+ if c.Rm {
+ command = append(command, "--rm")
+ }
+
+ return command
}
// GetContainerCreateOptions takes a CreateConfig and returns a slice of CtrCreateOptions
@@ -518,11 +523,9 @@ func (c *CreateConfig) GetContainerCreateOptions(runtime *libpod.Runtime, pod *l
if c.CgroupParent != "" {
options = append(options, libpod.WithCgroupParent(c.CgroupParent))
}
- // For a rootless container always cleanup the storage/network as they
- // run in a different namespace thus not reusable when we restart.
- if c.Detach || rootless.IsRootless() {
- options = append(options, libpod.WithExitCommand(c.createExitCommand()))
- }
+
+ // Always use a cleanup process to clean up Podman after termination
+ options = append(options, libpod.WithExitCommand(c.createExitCommand()))
return options, nil
}
diff --git a/utils/utils.go b/utils/utils.go
index c7c5ab5cf..4a91b304f 100644
--- a/utils/utils.go
+++ b/utils/utils.go
@@ -9,6 +9,7 @@ import (
systemdDbus "github.com/coreos/go-systemd/dbus"
"github.com/godbus/dbus"
+ "github.com/pkg/errors"
)
// ExecCmd executes a command with args and returns its output as a string along
@@ -82,12 +83,9 @@ func newProp(name string, units interface{}) systemdDbus.Property {
}
}
-// DetachError is special error which returned in case of container detach.
-type DetachError struct{}
-
-func (DetachError) Error() string {
- return "detached from container"
-}
+// ErrDetach is an error indicating that the user manually detached from the
+// container.
+var ErrDetach = errors.New("detached from container")
// CopyDetachable is similar to io.Copy but support a detach key sequence to break out.
func CopyDetachable(dst io.Writer, src io.Reader, keys []byte) (written int64, err error) {
@@ -108,7 +106,7 @@ func CopyDetachable(dst io.Writer, src io.Reader, keys []byte) (written int64, e
}
if i == len(keys)-1 {
// src.Close()
- return 0, DetachError{}
+ return 0, ErrDetach
}
nr, er = src.Read(buf)
}