System tests: add podman system check tests

Testing `podman system check` requires that we have a way to
intentionally introduce storage corruptions.  Add a hidden `podman
testing` command that provides the necessary internal logic in
subcommands.  Stub out the tunnel implementation for now.

Signed-off-by: Nalin Dahyabhai <nalin@redhat.com>

cmd/podman-testing/remove.go

@@ -0,0 +1,118 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/containers/common/pkg/completion"
+	"github.com/containers/podman/v5/cmd/podman/validate"
+	"github.com/containers/podman/v5/internal/domain/entities"
+	"github.com/spf13/cobra"
+)
+
+var (
+	removeStorageLayerDescription = `Remove an unmanaged layer in local storage, potentially corrupting it.`
+	removeStorageLayerCmd         = &cobra.Command{
+		Use:               "remove-storage-layer [options]",
+		Args:              validate.NoArgs,
+		Short:             "Remove an unmanaged layer",
+		Long:              removeStorageLayerDescription,
+		RunE:              removeStorageLayer,
+		ValidArgsFunction: completion.AutocompleteNone,
+		Example:           `podman testing remove-storage-layer`,
+	}
+
+	removeStorageLayerOpts entities.RemoveStorageLayerOptions
+
+	removeLayerDescription = `Remove a layer in local storage, potentially corrupting it.`
+	removeLayerCmd         = &cobra.Command{
+		Use:               "remove-layer [options]",
+		Args:              validate.NoArgs,
+		Short:             "Remove a layer",
+		Long:              removeLayerDescription,
+		RunE:              removeLayer,
+		ValidArgsFunction: completion.AutocompleteNone,
+		Example:           `podman testing remove-layer`,
+	}
+
+	removeLayerOpts entities.RemoveLayerOptions
+
+	removeImageDescription = `Remove an image in local storage, potentially corrupting it.`
+	removeImageCmd         = &cobra.Command{
+		Use:               "remove-image [options]",
+		Args:              validate.NoArgs,
+		Short:             "Remove an image",
+		Long:              removeImageDescription,
+		RunE:              removeImage,
+		ValidArgsFunction: completion.AutocompleteNone,
+		Example:           `podman testing remove-image`,
+	}
+
+	removeImageOpts entities.RemoveImageOptions
+
+	removeContainerDescription = `Remove a container in local storage, potentially corrupting it.`
+	removeContainerCmd         = &cobra.Command{
+		Use:               "remove-container [options]",
+		Args:              validate.NoArgs,
+		Short:             "Remove an container",
+		Long:              removeContainerDescription,
+		RunE:              removeContainer,
+		ValidArgsFunction: completion.AutocompleteNone,
+		Example:           `podman testing remove-container`,
+	}
+
+	removeContainerOpts entities.RemoveContainerOptions
+)
+
+func init() {
+	mainCmd.AddCommand(removeStorageLayerCmd)
+	flags := removeStorageLayerCmd.Flags()
+	flags.StringVarP(&removeStorageLayerOpts.ID, "layer", "i", "", "ID of the layer to remove")
+
+	mainCmd.AddCommand(removeLayerCmd)
+	flags = removeLayerCmd.Flags()
+	flags.StringVarP(&removeLayerOpts.ID, "layer", "i", "", "ID of the layer to remove")
+
+	mainCmd.AddCommand(removeImageCmd)
+	flags = removeImageCmd.Flags()
+	flags.StringVarP(&removeImageOpts.ID, "image", "i", "", "ID of the image to remove")
+
+	mainCmd.AddCommand(removeContainerCmd)
+	flags = removeContainerCmd.Flags()
+	flags.StringVarP(&removeContainerOpts.ID, "container", "i", "", "ID of the container to remove")
+}
+
+func removeStorageLayer(cmd *cobra.Command, args []string) error {
+	results, err := testingEngine.RemoveStorageLayer(mainContext, removeStorageLayerOpts)
+	if err != nil {
+		return err
+	}
+	fmt.Println(results.ID)
+	return nil
+}
+
+func removeLayer(cmd *cobra.Command, args []string) error {
+	results, err := testingEngine.RemoveLayer(mainContext, removeLayerOpts)
+	if err != nil {
+		return err
+	}
+	fmt.Println(results.ID)
+	return nil
+}
+
+func removeImage(cmd *cobra.Command, args []string) error {
+	results, err := testingEngine.RemoveImage(mainContext, removeImageOpts)
+	if err != nil {
+		return err
+	}
+	fmt.Println(results.ID)
+	return nil
+}
+
+func removeContainer(cmd *cobra.Command, args []string) error {
+	results, err := testingEngine.RemoveContainer(mainContext, removeContainerOpts)
+	if err != nil {
+		return err
+	}
+	fmt.Println(results.ID)
+	return nil
+}