podmanv2 container exists|wait

enable container exists and wait for podmanv2

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

.gitignore

@@ -29,3 +29,4 @@ podman*.tar.gz
 contrib/spec/podman.spec
 *.rpm
 *.coverprofile
+/cmd/podmanV2/podmanV2

cmd/podmanV2/containers/exists.go

@@ -0,0 +1,40 @@
+package containers
+
+import (
+	"context"
+	"os"
+
+	"github.com/containers/libpod/cmd/podmanV2/registry"
+	"github.com/containers/libpod/pkg/domain/entities"
+	"github.com/spf13/cobra"
+)
+
+var (
+	containerExistsCommand = &cobra.Command{
+		Use:   "exists CONTAINER",
+		Short: "Check if a container exists in local storage",
+		Long:  containerExistsDescription,
+		Example: `podman container exists containerID
+  podman container exists myctr || podman run --name myctr [etc...]`,
+		RunE: exists,
+	}
+)
+
+func init() {
+	registry.Commands = append(registry.Commands, registry.CliCommand{
+		Mode:    []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
+		Command: containerExistsCommand,
+		Parent:  containerCmd,
+	})
+}
+
+func exists(cmd *cobra.Command, args []string) error {
+	exists, err := registry.ContainerEngine().ContainerExists(context.Background(), args[0])
+	if err != nil {
+		return err
+	}
+	if !exists {
+		os.Exit(1)
+	}
+	return nil
+}

cmd/podmanV2/containers/inspect.go

@@ -7,6 +7,8 @@ import (
 )
 
 var (
+	containerExistsDescription = `If the named container exists in local storage, podman container exists exits with 0, otherwise the exit code will be 1.`
+
 	// podman container _inspect_
 	inspectCmd = &cobra.Command{
 		Use:     "inspect [flags] CONTAINER",

cmd/podmanV2/containers/wait.go

@@ -0,0 +1,68 @@
+package containers
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"github.com/containers/libpod/cmd/podmanV2/registry"
+	"github.com/containers/libpod/pkg/domain/entities"
+	"github.com/pkg/errors"
+	"github.com/spf13/cobra"
+)
+
+var (
+	waitDescription = `Block until one or more containers stop and then print their exit codes.
+`
+	waitCommand = &cobra.Command{
+		Use:   "wait [flags] CONTAINER [CONTAINER...]",
+		Short: "Block on one or more containers",
+		Long:  waitDescription,
+		RunE:  wait,
+		Example: `podman wait --latest
+  podman wait --interval 5000 ctrID
+  podman wait ctrID1 ctrID2`,
+	}
+)
+
+var waitFlags = entities.WaitOptions{}
+
+func init() {
+	registry.Commands = append(registry.Commands, registry.CliCommand{
+		Mode:    []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
+		Command: waitCommand,
+		Parent:  containerCmd,
+	})
+
+	waitCommand.SetHelpTemplate(registry.HelpTemplate())
+	waitCommand.SetUsageTemplate(registry.UsageTemplate())
+	flags := waitCommand.Flags()
+	flags.DurationVarP(&waitFlags.Interval, "interval", "i", time.Duration(250), "Milliseconds to wait before polling for completion")
+	flags.BoolVarP(&waitFlags.Latest, "latest", "l", false, "Act on the latest container podman is aware of")
+	flags.StringVar(&waitFlags.Condition, "condition", "stopped", "Condition to wait on")
+}
+
+func wait(cmd *cobra.Command, args []string) error {
+	if waitFlags.Latest && len(args) > 0 {
+		return errors.New("cannot combine latest flag and arguments")
+	}
+	if waitFlags.Interval == 0 {
+		return errors.New("interval must be greater then 0")
+	}
+
+	responses, err := registry.ContainerEngine().ContainerWait(context.Background(), args, waitFlags)
+	if err != nil {
+		return err
+	}
+	for _, r := range responses {
+		if r.Error == nil {
+			fmt.Println(r.Id)
+		}
+	}
+	for _, r := range responses {
+		if r.Error != nil {
+			fmt.Println(err)
+		}
+	}
+	return nil
+}

cmd/podmanV2/images/inspect.go

@@ -52,7 +52,7 @@ func init() {
 	flags.BoolVarP(&inspectOpts.Size, "size", "s", false, "Display total file size")
 	flags.StringVarP(&inspectOpts.Format, "format", "f", "", "Change the output format to a Go template")
 
-	if registry.GlobalFlags.EngineMode == entities.ABIMode {
+	if registry.EngineOpts.EngineMode == entities.ABIMode {
 		// TODO: This is the same as V1.  We could skip creating the flag altogether in V2...
 		_ = flags.MarkHidden("latest")
 	}

cmd/podmanV2/main.go

@@ -5,6 +5,7 @@ import (
 	"os"
 	"reflect"
 	"runtime"
+	"strings"
 
 	_ "github.com/containers/libpod/cmd/podmanV2/containers"
 	_ "github.com/containers/libpod/cmd/podmanV2/images"
@@ -31,17 +32,19 @@ func initCobra() {
 	case "darwin":
 		fallthrough
 	case "windows":
-		registry.GlobalFlags.EngineMode = entities.TunnelMode
+		registry.EngineOpts.EngineMode = entities.TunnelMode
 	case "linux":
-		registry.GlobalFlags.EngineMode = entities.ABIMode
+		registry.EngineOpts.EngineMode = entities.ABIMode
 	default:
 		logrus.Errorf("%s is not a supported OS", runtime.GOOS)
 		os.Exit(1)
 	}
 
 	// TODO: Is there a Cobra way to "peek" at os.Args?
-	if ok := Contains("--remote", os.Args); ok {
+	for _, v := range os.Args {
-		registry.GlobalFlags.EngineMode = entities.TunnelMode
+		if strings.HasPrefix(v, "--remote") {
+			registry.EngineOpts.EngineMode = entities.TunnelMode
+		}
 	}
 
 	cobra.OnInitialize(func() {})
@@ -50,7 +53,7 @@ func initCobra() {
 func main() {
 	fmt.Fprintf(os.Stderr, "Number of commands: %d\n", len(registry.Commands))
 	for _, c := range registry.Commands {
-		if Contains(registry.GlobalFlags.EngineMode, c.Mode) {
+		if Contains(registry.EngineOpts.EngineMode, c.Mode) {
 			parent := rootCmd
 			if c.Parent != nil {
 				parent = c.Parent

cmd/podmanV2/registry/registry.go

@@ -14,11 +14,13 @@ type CliCommand struct {
 }
 
 var (
-	Commands        []CliCommand
+	Commands []CliCommand
-	GlobalFlags     entities.EngineFlags
+
 	imageEngine     entities.ImageEngine
 	containerEngine entities.ContainerEngine
-	PodmanTunnel    bool
+
+	EngineOpts  entities.EngineOptions
+	GlobalFlags entities.EngineFlags
 )
 
 // HelpTemplate returns the help template for podman commands
@@ -63,7 +65,8 @@ func ImageEngine() entities.ImageEngine {
 // NewImageEngine is a wrapper for building an ImageEngine to be used for PreRunE functions
 func NewImageEngine(cmd *cobra.Command, args []string) (entities.ImageEngine, error) {
 	if imageEngine == nil {
-		engine, err := infra.NewImageEngine(GlobalFlags.EngineMode, entities.EngineOptions{})
+		EngineOpts.FlagSet = cmd.Flags()
+		engine, err := infra.NewImageEngine(EngineOpts)
 		if err != nil {
 			return nil, err
 		}
@@ -79,7 +82,8 @@ func ContainerEngine() entities.ContainerEngine {
 // NewContainerEngine is a wrapper for building an ContainerEngine to be used for PreRunE functions
 func NewContainerEngine(cmd *cobra.Command, args []string) (entities.ContainerEngine, error) {
 	if containerEngine == nil {
-		engine, err := infra.NewContainerEngine(GlobalFlags.EngineMode, entities.EngineOptions{})
+		EngineOpts.FlagSet = cmd.Flags()
+		engine, err := infra.NewContainerEngine(EngineOpts)
 		if err != nil {
 			return nil, err
 		}

cmd/podmanV2/root.go

@@ -24,7 +24,8 @@ func init() {
 	// Override default --help information of `--version` global flag}
 	var dummyVersion bool
 	rootCmd.PersistentFlags().BoolVarP(&dummyVersion, "version", "v", false, "Version of podman")
-	rootCmd.PersistentFlags().BoolVarP(&registry.PodmanTunnel, "remote", "r", false, "Access service via SSH tunnel")
+	rootCmd.PersistentFlags().StringVarP(&registry.EngineOpts.Uri, "remote", "r", "", "URL to access podman service")
+	rootCmd.PersistentFlags().StringSliceVarP(&registry.EngineOpts.Identities, "identity", "i", []string{}, "path to SSH identity file")
 }
 
 func Execute() {

pkg/api/handlers/libpod/containers.go

@@ -21,8 +21,12 @@ func ContainerExists(w http.ResponseWriter, r *http.Request) {
 	name := utils.GetName(r)
 	_, err := runtime.LookupContainer(name)
 	if err != nil {
-		utils.ContainerNotFound(w, name, err)
+		if errors.Cause(err) == define.ErrNoSuchCtr {
+			utils.ContainerNotFound(w, name, err)
+		}
+		utils.InternalServerError(w, err)
 		return
+
 	}
 	utils.WriteResponse(w, http.StatusNoContent, "")
 }

pkg/bindings/connection.go

@@ -165,8 +165,13 @@ func sshClient(_url *url.URL, identity string, secure bool) (*http.Client, error
 		}
 	}
 
+	port := _url.Port()
+	if port == "" {
+		port = "22"
+	}
+
 	bastion, err := ssh.Dial("tcp",
-		net.JoinHostPort(_url.Hostname(), _url.Port()),
+		net.JoinHostPort(_url.Hostname(), port),
 		&ssh.ClientConfig{
 			User:            _url.User.Username(),
 			Auth:            []ssh.AuthMethod{auth},

pkg/domain/entities/containers.go

@@ -1 +1,15 @@
 package entities
+
+import "time"
+
+type WaitOptions struct {
+	Condition string
+	Interval  time.Duration
+	Latest    bool
+}
+
+type WaitReport struct {
+	Id       string
+	Error    error
+	ExitCode int32
+}

pkg/domain/entities/engine.go

@@ -1,7 +1,6 @@
 package entities
 
 import (
-	"net/url"
 	"os/user"
 	"path/filepath"
 
@@ -20,11 +19,13 @@ func (m EngineMode) String() string {
 	return string(m)
 }
 
+// FIXME: merge EngineOptions and EngineFlags
 type EngineOptions struct {
-	Uri        *url.URL
+	Uri        string
 	Identities []string
-	FlagSet    pflag.FlagSet
+	FlagSet    *pflag.FlagSet
 	Flags      EngineFlags
+	EngineMode EngineMode
 }
 
 type EngineFlags struct {
@@ -58,8 +59,6 @@ type EngineFlags struct {
 	Port                 int
 	IdentityFile         string
 	IgnoreHosts          bool
-
-	EngineMode EngineMode
 }
 
 func NewEngineOptions() (EngineFlags, error) {

pkg/domain/entities/engine_container.go

@@ -5,22 +5,12 @@ import (
 )
 
 type ContainerEngine interface {
-	ContainerRuntime
-	PodRuntime
-	VolumeRuntime
-}
-
-type ContainerRuntime interface {
 	ContainerDelete(ctx context.Context, opts ContainerDeleteOptions) (*ContainerDeleteReport, error)
 	ContainerPrune(ctx context.Context) (*ContainerPruneReport, error)
-}
+	ContainerExists(ctx context.Context, nameOrId string) (bool, error)
-
+	ContainerWait(ctx context.Context, namesOrIds []string, options WaitOptions) ([]WaitReport, error)
-type PodRuntime interface {
 	PodDelete(ctx context.Context, opts PodPruneOptions) (*PodDeleteReport, error)
 	PodPrune(ctx context.Context) (*PodPruneReport, error)
-}
-
-type VolumeRuntime interface {
 	VolumeDelete(ctx context.Context, opts VolumeDeleteOptions) (*VolumeDeleteReport, error)
 	VolumePrune(ctx context.Context) (*VolumePruneReport, error)
 }

pkg/domain/infra/abi/containers.go

@@ -0,0 +1,71 @@
+// +build ABISupport
+
+package abi
+
+import (
+	"context"
+
+	"github.com/containers/libpod/libpod/define"
+	"github.com/containers/libpod/pkg/adapter/shortcuts"
+	"github.com/containers/libpod/pkg/domain/entities"
+	"github.com/pkg/errors"
+)
+
+// TODO: Should return *entities.ContainerExistsReport, error
+func (ic *ContainerEngine) ContainerExists(ctx context.Context, nameOrId string) (bool, error) {
+	_, err := ic.Libpod.LookupContainer(nameOrId)
+	if err != nil && errors.Cause(err) != define.ErrNoSuchCtr {
+		return false, err
+	}
+	return err == nil, nil
+}
+
+func (ic *ContainerEngine) ContainerWait(ctx context.Context, namesOrIds []string, options entities.WaitOptions) ([]entities.WaitReport, error) {
+	var (
+		responses []entities.WaitReport
+	)
+	condition, err := define.StringToContainerStatus(options.Condition)
+	if err != nil {
+		return nil, err
+	}
+
+	ctrs, err := shortcuts.GetContainersByContext(false, options.Latest, namesOrIds, ic.Libpod)
+	if err != nil {
+		return nil, err
+	}
+	for _, c := range ctrs {
+		response := entities.WaitReport{Id: c.ID()}
+		exitCode, err := c.WaitForConditionWithInterval(options.Interval, condition)
+		if err != nil {
+			response.Error = err
+		} else {
+			response.ExitCode = exitCode
+		}
+		responses = append(responses, response)
+	}
+	return responses, nil
+}
+
+func (ic *ContainerEngine) ContainerDelete(ctx context.Context, opts entities.ContainerDeleteOptions) (*entities.ContainerDeleteReport, error) {
+	panic("implement me")
+}
+
+func (ic *ContainerEngine) ContainerPrune(ctx context.Context) (*entities.ContainerPruneReport, error) {
+	panic("implement me")
+}
+
+func (ic *ContainerEngine) PodDelete(ctx context.Context, opts entities.PodPruneOptions) (*entities.PodDeleteReport, error) {
+	panic("implement me")
+}
+
+func (ic *ContainerEngine) PodPrune(ctx context.Context) (*entities.PodPruneReport, error) {
+	panic("implement me")
+}
+
+func (ic *ContainerEngine) VolumeDelete(ctx context.Context, opts entities.VolumeDeleteOptions) (*entities.VolumeDeleteReport, error) {
+	panic("implement me")
+}
+
+func (ic *ContainerEngine) VolumePrune(ctx context.Context) (*entities.VolumePruneReport, error) {
+	panic("implement me")
+}

pkg/domain/infra/abi/runtime.go

@@ -4,7 +4,6 @@ package abi
 
 import (
 	"github.com/containers/libpod/libpod"
-	"github.com/containers/libpod/pkg/domain/entities"
 )
 
 // Image-related runtime linked against libpod library
@@ -14,6 +13,5 @@ type ImageEngine struct {
 
 // Container-related runtime linked against libpod library
 type ContainerEngine struct {
-	entities.ContainerEngine
 	Libpod *libpod.Runtime
 }

pkg/domain/infra/runtime_abi.go

@@ -8,32 +8,31 @@ import (
 
 	"github.com/containers/libpod/pkg/bindings"
 	"github.com/containers/libpod/pkg/domain/entities"
-	"github.com/containers/libpod/pkg/domain/infra/abi"
 	"github.com/containers/libpod/pkg/domain/infra/tunnel"
 )
 
 // NewContainerEngine factory provides a libpod runtime for container-related operations
-func NewContainerEngine(mode entities.EngineMode, opts entities.EngineOptions) (entities.ContainerEngine, error) {
+func NewContainerEngine(opts entities.EngineOptions) (entities.ContainerEngine, error) {
-	switch mode {
+	switch opts.EngineMode {
 	case entities.ABIMode:
 		r, err := NewLibpodRuntime(opts.FlagSet, opts.Flags)
-		return &abi.ContainerEngine{ContainerEngine: r}, err
+		return r, err
 	case entities.TunnelMode:
-		ctx, err := bindings.NewConnection(context.Background(), opts.Uri.String(), opts.Identities...)
+		ctx, err := bindings.NewConnection(context.Background(), opts.Uri, opts.Identities...)
 		return &tunnel.ContainerEngine{ClientCxt: ctx}, err
 	}
-	return nil, fmt.Errorf("runtime mode '%v' is not supported", mode)
+	return nil, fmt.Errorf("runtime mode '%v' is not supported", opts.EngineMode)
 }
 
 // NewContainerEngine factory provides a libpod runtime for image-related operations
-func NewImageEngine(mode entities.EngineMode, opts entities.EngineOptions) (entities.ImageEngine, error) {
+func NewImageEngine(opts entities.EngineOptions) (entities.ImageEngine, error) {
-	switch mode {
+	switch opts.EngineMode {
 	case entities.ABIMode:
 		r, err := NewLibpodImageRuntime(opts.FlagSet, opts.Flags)
 		return r, err
 	case entities.TunnelMode:
-		ctx, err := bindings.NewConnection(context.Background(), opts.Uri.String(), opts.Identities...)
+		ctx, err := bindings.NewConnection(context.Background(), opts.Uri, opts.Identities...)
 		return &tunnel.ImageEngine{ClientCxt: ctx}, err
 	}
-	return nil, fmt.Errorf("runtime mode '%v' is not supported", mode)
+	return nil, fmt.Errorf("runtime mode '%v' is not supported", opts.EngineMode)
 }

pkg/domain/infra/runtime_image_proxy.go

@@ -12,14 +12,10 @@ import (
 
 // ContainerEngine Image Proxy will be EOL'ed after podmanV2 is separated from libpod repo
 
-func NewLibpodImageRuntime(flags pflag.FlagSet, opts entities.EngineFlags) (entities.ImageEngine, error) {
+func NewLibpodImageRuntime(flags *pflag.FlagSet, opts entities.EngineFlags) (entities.ImageEngine, error) {
 	r, err := GetRuntime(context.Background(), flags, opts)
 	if err != nil {
 		return nil, err
 	}
 	return &abi.ImageEngine{Libpod: r}, nil
 }
-
-func (ir *runtime) ShutdownImageRuntime(force bool) error {
-	return ir.Libpod.Shutdown(force)
-}

pkg/domain/infra/runtime_libpod.go

@@ -26,7 +26,7 @@ type engineOpts struct {
 }
 
 // GetRuntimeMigrate gets a libpod runtime that will perform a migration of existing containers
-func GetRuntimeMigrate(ctx context.Context, fs flag.FlagSet, ef entities.EngineFlags, newRuntime string) (*libpod.Runtime, error) {
+func GetRuntimeMigrate(ctx context.Context, fs *flag.FlagSet, ef entities.EngineFlags, newRuntime string) (*libpod.Runtime, error) {
 	return getRuntime(ctx, fs, &engineOpts{
 		name:     newRuntime,
 		renumber: false,
@@ -38,7 +38,7 @@ func GetRuntimeMigrate(ctx context.Context, fs flag.FlagSet, ef entities.EngineF
 }
 
 // GetRuntimeDisableFDs gets a libpod runtime that will disable sd notify
-func GetRuntimeDisableFDs(ctx context.Context, fs flag.FlagSet, ef entities.EngineFlags) (*libpod.Runtime, error) {
+func GetRuntimeDisableFDs(ctx context.Context, fs *flag.FlagSet, ef entities.EngineFlags) (*libpod.Runtime, error) {
 	return getRuntime(ctx, fs, &engineOpts{
 		renumber: false,
 		migrate:  false,
@@ -49,7 +49,7 @@ func GetRuntimeDisableFDs(ctx context.Context, fs flag.FlagSet, ef entities.Engi
 }
 
 // GetRuntimeRenumber gets a libpod runtime that will perform a lock renumber
-func GetRuntimeRenumber(ctx context.Context, fs flag.FlagSet, ef entities.EngineFlags) (*libpod.Runtime, error) {
+func GetRuntimeRenumber(ctx context.Context, fs *flag.FlagSet, ef entities.EngineFlags) (*libpod.Runtime, error) {
 	return getRuntime(ctx, fs, &engineOpts{
 		renumber: true,
 		migrate:  false,
@@ -60,7 +60,7 @@ func GetRuntimeRenumber(ctx context.Context, fs flag.FlagSet, ef entities.Engine
 }
 
 // GetRuntime generates a new libpod runtime configured by command line options
-func GetRuntime(ctx context.Context, flags flag.FlagSet, ef entities.EngineFlags) (*libpod.Runtime, error) {
+func GetRuntime(ctx context.Context, flags *flag.FlagSet, ef entities.EngineFlags) (*libpod.Runtime, error) {
 	return getRuntime(ctx, flags, &engineOpts{
 		renumber: false,
 		migrate:  false,
@@ -71,7 +71,7 @@ func GetRuntime(ctx context.Context, flags flag.FlagSet, ef entities.EngineFlags
 }
 
 // GetRuntimeNoStore generates a new libpod runtime configured by command line options
-func GetRuntimeNoStore(ctx context.Context, fs flag.FlagSet, ef entities.EngineFlags) (*libpod.Runtime, error) {
+func GetRuntimeNoStore(ctx context.Context, fs *flag.FlagSet, ef entities.EngineFlags) (*libpod.Runtime, error) {
 	return getRuntime(ctx, fs, &engineOpts{
 		renumber: false,
 		migrate:  false,
@@ -81,7 +81,7 @@ func GetRuntimeNoStore(ctx context.Context, fs flag.FlagSet, ef entities.EngineF
 	})
 }
 
-func getRuntime(ctx context.Context, fs flag.FlagSet, opts *engineOpts) (*libpod.Runtime, error) {
+func getRuntime(ctx context.Context, fs *flag.FlagSet, opts *engineOpts) (*libpod.Runtime, error) {
 	options := []libpod.RuntimeOption{}
 	storageOpts := storage.StoreOptions{}
 	storageSet := false

pkg/domain/infra/runtime_proxy.go

@@ -5,50 +5,17 @@ package infra
 import (
 	"context"
 
-	"github.com/containers/libpod/libpod"
 	"github.com/containers/libpod/pkg/domain/entities"
+	"github.com/containers/libpod/pkg/domain/infra/abi"
 	flag "github.com/spf13/pflag"
 )
 
 // ContainerEngine Proxy will be EOL'ed after podmanV2 is separated from libpod repo
 
-type runtime struct {
+func NewLibpodRuntime(flags *flag.FlagSet, opts entities.EngineFlags) (entities.ContainerEngine, error) {
-	entities.ContainerEngine
-	Libpod *libpod.Runtime
-}
-
-func NewLibpodRuntime(flags flag.FlagSet, opts entities.EngineFlags) (entities.ContainerEngine, error) {
 	r, err := GetRuntime(context.Background(), flags, opts)
 	if err != nil {
 		return nil, err
 	}
-	return &runtime{Libpod: r}, nil
+	return &abi.ContainerEngine{Libpod: r}, nil
-}
-
-func (r *runtime) ShutdownRuntime(force bool) error {
-	return r.Libpod.Shutdown(force)
-}
-
-func (r *runtime) ContainerDelete(ctx context.Context, opts entities.ContainerDeleteOptions) (*entities.ContainerDeleteReport, error) {
-	panic("implement me")
-}
-
-func (r *runtime) ContainerPrune(ctx context.Context) (*entities.ContainerPruneReport, error) {
-	panic("implement me")
-}
-
-func (r *runtime) PodDelete(ctx context.Context, opts entities.PodPruneOptions) (*entities.PodDeleteReport, error) {
-	panic("implement me")
-}
-
-func (r *runtime) PodPrune(ctx context.Context) (*entities.PodPruneReport, error) {
-	panic("implement me")
-}
-
-func (r *runtime) VolumeDelete(ctx context.Context, opts entities.VolumeDeleteOptions) (*entities.VolumeDeleteReport, error) {
-	panic("implement me")
-}
-
-func (r *runtime) VolumePrune(ctx context.Context) (*entities.VolumePruneReport, error) {
-	panic("implement me")
 }

pkg/domain/infra/runtime_tunnel.go

@@ -11,25 +11,25 @@ import (
 	"github.com/containers/libpod/pkg/domain/infra/tunnel"
 )
 
-func NewContainerEngine(mode entities.EngineMode, opts entities.EngineOptions) (entities.ContainerEngine, error) {
+func NewContainerEngine(opts entities.EngineOptions) (entities.ContainerEngine, error) {
-	switch mode {
+	switch opts.EngineMode {
 	case entities.ABIMode:
 		return nil, fmt.Errorf("direct runtime not supported")
 	case entities.TunnelMode:
-		ctx, err := bindings.NewConnection(context.Background(), opts.Uri.String(), opts.Identities...)
+		ctx, err := bindings.NewConnection(context.Background(), opts.Uri, opts.Identities...)
 		return &tunnel.ContainerEngine{ClientCxt: ctx}, err
 	}
-	return nil, fmt.Errorf("runtime mode '%v' is not supported", mode)
+	return nil, fmt.Errorf("runtime mode '%v' is not supported", opts.EngineMode)
 }
 
 // NewImageEngine factory provides a libpod runtime for image-related operations
-func NewImageEngine(mode entities.EngineMode, opts entities.EngineOptions) (entities.ImageEngine, error) {
+func NewImageEngine(opts entities.EngineOptions) (entities.ImageEngine, error) {
-	switch mode {
+	switch opts.EngineMode {
 	case entities.ABIMode:
 		return nil, fmt.Errorf("direct image runtime not supported")
 	case entities.TunnelMode:
-		ctx, err := bindings.NewConnection(context.Background(), opts.Uri.String(), opts.Identities...)
+		ctx, err := bindings.NewConnection(context.Background(), opts.Uri, opts.Identities...)
 		return &tunnel.ImageEngine{ClientCxt: ctx}, err
 	}
-	return nil, fmt.Errorf("runtime mode '%v' is not supported", mode)
+	return nil, fmt.Errorf("runtime mode '%v' is not supported", opts.EngineMode)
 }

pkg/domain/infra/tunnel/containers.go

@@ -0,0 +1,24 @@
+package tunnel
+
+import (
+	"context"
+
+	"github.com/containers/libpod/pkg/bindings/containers"
+	"github.com/containers/libpod/pkg/domain/entities"
+)
+
+func (ic *ContainerEngine) ContainerExists(ctx context.Context, nameOrId string) (bool, error) {
+	return containers.Exists(ctx, nameOrId)
+}
+
+func (ic *ContainerEngine) ContainerWait(ctx context.Context, namesOrIds []string, options entities.WaitOptions) ([]entities.WaitReport, error) {
+	return nil, nil
+}
+
+func (r *ContainerEngine) ContainerDelete(ctx context.Context, opts entities.ContainerDeleteOptions) (*entities.ContainerDeleteReport, error) {
+	panic("implement me")
+}
+
+func (r *ContainerEngine) ContainerPrune(ctx context.Context) (*entities.ContainerPruneReport, error) {
+	panic("implement me")
+}

pkg/domain/infra/tunnel/runtime.go

@@ -16,18 +16,6 @@ type ContainerEngine struct {
 	ClientCxt context.Context
 }
 
-func (r *ContainerEngine) Shutdown(force bool) error {
-	return nil
-}
-
-func (r *ContainerEngine) ContainerDelete(ctx context.Context, opts entities.ContainerDeleteOptions) (*entities.ContainerDeleteReport, error) {
-	panic("implement me")
-}
-
-func (r *ContainerEngine) ContainerPrune(ctx context.Context) (*entities.ContainerPruneReport, error) {
-	panic("implement me")
-}
-
 func (r *ContainerEngine) PodDelete(ctx context.Context, opts entities.PodPruneOptions) (*entities.PodDeleteReport, error) {
 	panic("implement me")
 }