add --cidfile to container kill

Add the ability to read container ids from one or more files for the
kill command.

Fixes: #8443

Signed-off-by: baude <bbaude@redhat.com>

3 files changed, 21 insertions, 3 deletions

diff --git a/pkg/domain/entities/containers.go b/pkg/domain/entities/containers.go
index 4442c0030..b8d49d067 100644
--- a/pkg/domain/entities/containers.go
+++ b/pkg/domain/entities/containers.go
@@ -104,9 +104,10 @@ type TopOptions struct {
 }
 
 type KillOptions struct {
-	All    bool
-	Latest bool
-	Signal string
+	All      bool
+	Latest   bool
+	Signal   string
+	CIDFiles []string
 }
 
 type KillReport struct {
diff --git a/pkg/domain/infra/abi/containers.go b/pkg/domain/infra/abi/containers.go
index ec65dbe44..efb4f866f 100644
--- a/pkg/domain/infra/abi/containers.go
+++ b/pkg/domain/infra/abi/containers.go
@@ -229,6 +229,14 @@ func (ic *ContainerEngine) pruneContainersHelper(filterFuncs []libpod.ContainerF
 }
 
 func (ic *ContainerEngine) ContainerKill(ctx context.Context, namesOrIds []string, options entities.KillOptions) ([]*entities.KillReport, error) {
+	for _, cidFile := range options.CIDFiles {
+		content, err := ioutil.ReadFile(cidFile)
+		if err != nil {
+			return nil, errors.Wrap(err, "error reading CIDFile")
+		}
+		id := strings.Split(string(content), "\n")[0]
+		namesOrIds = append(namesOrIds, id)
+	}
 	sig, err := signal.ParseSignalNameOrNumber(options.Signal)
 	if err != nil {
 		return nil, err
@@ -246,6 +254,7 @@ func (ic *ContainerEngine) ContainerKill(ctx context.Context, namesOrIds []strin
 	}
 	return reports, nil
 }
+
 func (ic *ContainerEngine) ContainerRestart(ctx context.Context, namesOrIds []string, options entities.RestartOptions) ([]*entities.RestartReport, error) {
 	var (
 		ctrs []*libpod.Container
diff --git a/pkg/domain/infra/tunnel/containers.go b/pkg/domain/infra/tunnel/containers.go
index 7704de210..0db985dff 100644
--- a/pkg/domain/infra/tunnel/containers.go
+++ b/pkg/domain/infra/tunnel/containers.go
@@ -125,6 +125,14 @@ func (ic *ContainerEngine) ContainerStop(ctx context.Context, namesOrIds []strin
 }
 
 func (ic *ContainerEngine) ContainerKill(ctx context.Context, namesOrIds []string, opts entities.KillOptions) ([]*entities.KillReport, error) {
+	for _, cidFile := range opts.CIDFiles {
+		content, err := ioutil.ReadFile(cidFile)
+		if err != nil {
+			return nil, errors.Wrap(err, "error reading CIDFile")
+		}
+		id := strings.Split(string(content), "\n")[0]
+		namesOrIds = append(namesOrIds, id)
+	}
 	ctrs, err := getContainersByContext(ic.ClientCtx, opts.All, false, namesOrIds)
 	if err != nil {
 		return nil, err