Add --requires flag to podman run/create

Podman has, for a long time, had an internal concept of
dependency management, used mainly to ensure that pod infra
containers are started before any other container in the pod. We
also have the ability to recursively start these dependencies,
which we use to ensure that `podman start` on a container in a
pod will not fail because the infra container is stopped. We have
not, however, exposed these via the command line until now.

Add a `--requires` flag to `podman run` and `podman create` to
allow users to manually specify dependency containers. These
containers must be running before the container will start. Also,
make recursive starting with `podman start` default so we can
start these containers and their dependencies easily.

Fixes #9250

Signed-off-by: Matthew Heon <matthew.heon@pm.me>

1 files changed, 5 insertions, 9 deletions

diff --git a/pkg/domain/infra/abi/containers.go b/pkg/domain/infra/abi/containers.go
index 637531ee9..3fe9ef637 100644
--- a/pkg/domain/infra/abi/containers.go
+++ b/pkg/domain/infra/abi/containers.go
@@ -585,7 +585,7 @@ func (ic *ContainerEngine) ContainerAttach(ctx context.Context, nameOrID string,
 	}
 
 	// If the container is in a pod, also set to recursively start dependencies
-	err = terminal.StartAttachCtr(ctx, ctr, options.Stdout, options.Stderr, options.Stdin, options.DetachKeys, options.SigProxy, false, ctr.PodID() != "")
+	err = terminal.StartAttachCtr(ctx, ctr, options.Stdout, options.Stderr, options.Stdin, options.DetachKeys, options.SigProxy, false)
 	if err != nil && errors.Cause(err) != define.ErrDetach {
 		return errors.Wrapf(err, "error attaching to container %s", ctr.ID())
 	}
@@ -708,7 +708,7 @@ func (ic *ContainerEngine) ContainerStart(ctx context.Context, namesOrIds []stri
 		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() != "")
+			err = terminal.StartAttachCtr(ctx, ctr, options.Stdout, options.Stderr, options.Stdin, options.DetachKeys, options.SigProxy, !ctrRunning)
 			if errors.Cause(err) == define.ErrDetach {
 				// User manually detached
 				// Exit cleanly immediately
@@ -784,7 +784,7 @@ func (ic *ContainerEngine) ContainerStart(ctx context.Context, namesOrIds []stri
 				RawInput: rawInput,
 				ExitCode: 125,
 			}
-			if err := ctr.Start(ctx, ctr.PodID() != ""); err != nil {
+			if err := ctr.Start(ctx, true); err != nil {
 				// if lastError != nil {
 				//	fmt.Fprintln(os.Stderr, lastError)
 				// }
@@ -845,10 +845,6 @@ func (ic *ContainerEngine) ContainerRun(ctx context.Context, opts entities.Conta
 		}
 	}
 
-	var joinPod bool
-	if len(ctr.PodID()) > 0 {
-		joinPod = true
-	}
 	report := entities.ContainerRunReport{Id: ctr.ID()}
 
 	if logrus.GetLevel() == logrus.DebugLevel {
@@ -859,7 +855,7 @@ func (ic *ContainerEngine) ContainerRun(ctx context.Context, opts entities.Conta
 	}
 	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 {
+		if err := ctr.Start(ctx, true); err != nil {
 			// This means the command did not exist
 			report.ExitCode = define.ExitCode(err)
 			return &report, err
@@ -869,7 +865,7 @@ func (ic *ContainerEngine) ContainerRun(ctx context.Context, opts entities.Conta
 	}
 
 	// 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 {
+	if err := terminal.StartAttachCtr(ctx, ctr, opts.OutputStream, opts.ErrorStream, opts.InputStream, opts.DetachKeys, opts.SigProxy, true); err != nil {
 		// We've manually detached from the container
 		// Do not perform cleanup, or wait for container exit code
 		// Just exit immediately