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Show c/storage (Buildah/CRI-O) containers in ps

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The `podman ps --all` command will now show containers that
are under the control of other c/storage container systems and
the new `ps --storage` option will show only containers that are
in c/storage but are not controlled by libpod.

In the below examples, the '*working-container' entries were created
by Buildah.

```
podman ps -a
CONTAINER ID  IMAGE                             COMMAND  CREATED       STATUS                   PORTS  NAMES
9257ef8c786c  docker.io/library/busybox:latest  ls /etc  8 hours ago   Exited (0) 8 hours ago          gifted_jang
d302c81856da  docker.io/library/busybox:latest  buildah  30 hours ago  storage                         busybox-working-container
7a5a7b099d33  localhost/tom:latest              ls -alF  30 hours ago  Exited (0) 30 hours ago         hopeful_hellman
01d601fca090  localhost/tom:latest              ls -alf  30 hours ago  Exited (1) 30 hours ago         determined_panini
ee58f429ff26  localhost/tom:latest              buildah  33 hours ago  storage                         alpine-working-container

podman ps --external
CONTAINER ID  IMAGE                             COMMAND  CREATED       STATUS    PORTS  NAMES
d302c81856da  docker.io/library/busybox:latest  buildah  30 hours ago  external         busybox-working-container
ee58f429ff26  localhost/tom:latest              buildah  33 hours ago  external         alpine-working-container

```
Signed-off-by: TomSweeneyRedHat <tsweeney@redhat.com>
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
This commit is contained in:
Daniel J Walsh
2020-08-25 13:41:52 -04:00
parent 814784c5e6
commit 581afbb86f
12 changed files with 167 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
libpod/runtime_ctr.go
View File

@ -8,11 +8,13 @@ import (
"strings"
"time"
"github.com/containers/buildah"
"github.com/containers/common/pkg/config"
"github.com/containers/podman/v2/libpod/define"
"github.com/containers/podman/v2/libpod/events"
"github.com/containers/podman/v2/pkg/cgroups"
"github.com/containers/podman/v2/pkg/rootless"
"github.com/containers/storage"
"github.com/containers/storage/pkg/stringid"
"github.com/docker/go-units"
spec "github.com/opencontainers/runtime-spec/specs-go"
@ -905,3 +907,34 @@ func (r *Runtime) PruneContainers(filterFuncs []ContainerFilter) (map[string]int
}
return prunedContainers, pruneErrors, nil
}
// StorageContainers returns a list of containers from containers/storage that
// are not currently known to Podman.
func (r *Runtime) StorageContainers() ([]storage.Container, error) {
if r.store == nil {
return nil, define.ErrStoreNotInitialized
}
storeContainers, err := r.store.Containers()
if err != nil {
return nil, errors.Wrapf(err, "error reading list of all storage containers")
}
retCtrs := []storage.Container{}
for _, container := range storeContainers {
exists, err := r.state.HasContainer(container.ID)
if err != nil && err != define.ErrNoSuchCtr {
return nil, errors.Wrapf(err, "failed to check if %s container exists in database", container.ID)
}
if exists {
continue
}
retCtrs = append(retCtrs, container)
}
return retCtrs, nil
}
func (r *Runtime) IsBuildahContainer(id string) (bool, error) {
return buildah.IsContainer(id, r.store)
}