Shortcut for most recent container

It is desirable to have a shortcut for the most
recently created container.  We can now use "**latest"
to represent the most recent container instead of its
container ID or name.  For example:

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

Closes: #179
Approved by: baude

27 files changed, 257 insertions, 48 deletions

diff --git a/cmd/podman/attach.go b/cmd/podman/attach.go
index 8c2c99fd5..e468964f6 100644
--- a/cmd/podman/attach.go
+++ b/cmd/podman/attach.go
@@ -19,6 +19,7 @@ var (
 			Name:  "no-stdin",
 			Usage: "Do not attach STDIN. The default is false.",
 		},
+		LatestFlag,
 	}
 	attachDescription = "The podman attach command allows you to attach to a running container using the container's ID or name, either to view its ongoing output or to control it interactively."
 	attachCommand     = cli.Command{
@@ -33,12 +34,12 @@ var (
 
 func attachCmd(c *cli.Context) error {
 	args := c.Args()
+	var ctr *libpod.Container
 	if err := validateFlags(c, attachFlags); err != nil {
 		return err
 	}
-
-	if len(c.Args()) < 1 || len(c.Args()) > 1 {
-		return errors.Errorf("attach requires the name or id of one running container")
+	if len(c.Args()) > 1 || (len(c.Args()) == 0 && !c.Bool("latest")) {
+		return errors.Errorf("attach requires the name or id of one running container or the latest flag")
 	}
 
 	runtime, err := getRuntime(c)
@@ -47,7 +48,11 @@ func attachCmd(c *cli.Context) error {
 	}
 	defer runtime.Shutdown(false)
 
-	ctr, err := runtime.LookupContainer(args[0])
+	if c.Bool("latest") {
+		ctr, err = runtime.GetLatestContainer()
+	} else {
+		ctr, err = runtime.LookupContainer(args[0])
+	}
 
 	if err != nil {
 		return errors.Wrapf(err, "unable to exec into %s", args[0])
diff --git a/cmd/podman/common.go b/cmd/podman/common.go
index 5e670dcc8..e3997539a 100644
--- a/cmd/podman/common.go
+++ b/cmd/podman/common.go
@@ -14,6 +14,14 @@ import (
 	"github.com/urfave/cli"
 )
 
+var (
+	stores     = make(map[storage.Store]struct{})
+	LatestFlag = cli.BoolFlag{
+		Name:  "latest, l",
+		Usage: "act on the latest container podman is aware of",
+	}
+)
+
 const crioConfigPath = "/etc/crio/crio.conf"
 
 func getRuntime(c *cli.Context) (*libpod.Runtime, error) {
diff --git a/cmd/podman/exec.go b/cmd/podman/exec.go
index 7a0bab617..07ef3a0cd 100644
--- a/cmd/podman/exec.go
+++ b/cmd/podman/exec.go
@@ -27,6 +27,7 @@ var (
 			Name:  "user, u",
 			Usage: "Sets the username or UID used and optionally the groupname or GID for the specified command",
 		},
+		LatestFlag,
 	}
 	execDescription = `
 	podman exec
@@ -48,20 +49,30 @@ var (
 func execCmd(c *cli.Context) error {
 	var envs []string
 	args := c.Args()
-	if len(args) < 1 {
+	var ctr *libpod.Container
+	var err error
+	argStart := 1
+	if len(args) < 1 && !c.Bool("latest") {
 		return errors.Errorf("you must provide one container name or id")
 	}
-	if len(args) < 2 {
+	if len(args) < 2 && !c.Bool("latest") {
 		return errors.Errorf("you must provide a command to exec")
 	}
-	cmd := args[1:]
+	if c.Bool("latest") {
+		argStart = 0
+	}
+	cmd := args[argStart:]
 	runtime, err := getRuntime(c)
 	if err != nil {
 		return errors.Wrapf(err, "error creating libpod runtime")
 	}
 	defer runtime.Shutdown(false)
 
-	ctr, err := runtime.LookupContainer(args[0])
+	if c.Bool("latest") {
+		ctr, err = runtime.GetLatestContainer()
+	} else {
+		ctr, err = runtime.LookupContainer(args[0])
+	}
 	if err != nil {
 		return errors.Wrapf(err, "unable to exec into %s", args[0])
 	}
diff --git a/cmd/podman/inspect.go b/cmd/podman/inspect.go
index 869d16911..dc5810492 100644
--- a/cmd/podman/inspect.go
+++ b/cmd/podman/inspect.go
@@ -33,6 +33,7 @@ var (
 			Name:  "size",
 			Usage: "Display total file size if the type is container",
 		},
+		LatestFlag,
 	}
 	inspectDescription = "This displays the low-level information on containers and images identified by name or ID. By default, this will render all results in a JSON array. If the container and image have the same name, this will return container JSON for unspecified type."
 	inspectCommand     = cli.Command{
@@ -47,7 +48,10 @@ var (
 
 func inspectCmd(c *cli.Context) error {
 	args := c.Args()
-	if len(args) == 0 {
+	inspectType := c.String("type")
+	latestContainer := c.Bool("latest")
+	var name string
+	if len(args) == 0 && !latestContainer {
 		return errors.Errorf("container or image name must be specified: podman inspect [options [...]] name")
 	}
 	if len(args) > 1 {
@@ -63,17 +67,26 @@ func inspectCmd(c *cli.Context) error {
 	}
 	defer runtime.Shutdown(false)
 
-	if c.String("type") != inspectTypeContainer && c.String("type") != inspectTypeImage && c.String("type") != inspectAll {
+	if !libpod.StringInSlice(inspectType, []string{inspectTypeContainer, inspectTypeImage, inspectAll}) {
 		return errors.Errorf("the only recognized types are %q, %q, and %q", inspectTypeContainer, inspectTypeImage, inspectAll)
 	}
-
-	name := args[0]
-
+	if !latestContainer {
+		name = args[0]
+	}
+	if latestContainer {
+		inspectType = inspectTypeContainer
+	}
 	outputFormat := c.String("format")
 	var data interface{}
-	switch c.String("type") {
+	switch inspectType {
 	case inspectTypeContainer:
-		ctr, err := runtime.LookupContainer(name)
+		var ctr *libpod.Container
+		var err error
+		if latestContainer {
+			ctr, err = runtime.GetLatestContainer()
+		} else {
+			ctr, err = runtime.LookupContainer(name)
+		}
 		if err != nil {
 			return errors.Wrapf(err, "error looking up container %q", name)
 		}
diff --git a/cmd/podman/kill.go b/cmd/podman/kill.go
index 776c7ef20..c24e68c54 100644
--- a/cmd/podman/kill.go
+++ b/cmd/podman/kill.go
@@ -1,10 +1,10 @@
 package main
 
 import (
-	"fmt"
 	"os"
 	"syscall"
 
+	"fmt"
 	"github.com/docker/docker/pkg/signal"
 	"github.com/pkg/errors"
 	"github.com/urfave/cli"
@@ -17,24 +17,29 @@ var (
 			Usage: "Signal to send to the container",
 			Value: "KILL",
 		},
+		LatestFlag,
 	}
 	killDescription = "The main process inside each container specified will be sent SIGKILL, or any signal specified with option --signal."
 	killCommand     = cli.Command{
-		Name:        "kill",
-		Usage:       "Kill one or more running containers with a specific signal",
-		Description: killDescription,
-		Flags:       killFlags,
-		Action:      killCmd,
-		ArgsUsage:   "[CONTAINER_NAME_OR_ID]",
+		Name:                   "kill",
+		Usage:                  "Kill one or more running containers with a specific signal",
+		Description:            killDescription,
+		Flags:                  killFlags,
+		Action:                 killCmd,
+		ArgsUsage:              "[CONTAINER_NAME_OR_ID]",
+		UseShortOptionHandling: true,
 	}
 )
 
 // killCmd kills one or more containers with a signal
 func killCmd(c *cli.Context) error {
 	args := c.Args()
-	if len(args) == 0 {
+	if len(args) == 0 && !c.Bool("latest") {
 		return errors.Errorf("specify one or more containers to kill")
 	}
+	if len(args) > 0 && c.Bool("latest") {
+		return errors.Errorf("you cannot specific any containers to kill with --latest")
+	}
 	if err := validateFlags(c, killFlags); err != nil {
 		return err
 	}
@@ -56,8 +61,16 @@ func killCmd(c *cli.Context) error {
 		killSignal = uint(sysSignal)
 	}
 
+	if c.Bool("latest") {
+		latestCtr, err := runtime.GetLatestContainer()
+		if err != nil {
+			return errors.Wrapf(err, "unable to get latest container")
+		}
+		args = append(args, latestCtr.ID())
+	}
+
 	var lastError error
-	for _, container := range c.Args() {
+	for _, container := range args {
 		ctr, err := runtime.LookupContainer(container)
 		if err != nil {
 			if lastError != nil {
diff --git a/cmd/podman/logs.go b/cmd/podman/logs.go
index 8745d5d7f..b31dce2d3 100644
--- a/cmd/podman/logs.go
+++ b/cmd/podman/logs.go
@@ -37,6 +37,7 @@ var (
 			Name:  "tail",
 			Usage: "Output the specified number of LINES at the end of the logs.  Defaults to 0, which prints all lines",
 		},
+		LatestFlag,
 	}
 	logsDescription = "The podman logs command batch-retrieves whatever logs are present for a container at the time of execution.  This does not guarantee execution" +
 		"order when combined with podman run (i.e. your run may not have generated any logs at the time you execute podman logs"
@@ -51,6 +52,8 @@ var (
 )
 
 func logsCmd(c *cli.Context) error {
+	var ctr *libpod.Container
+	var err error
 	if err := validateFlags(c, logsFlags); err != nil {
 		return err
 	}
@@ -62,7 +65,7 @@ func logsCmd(c *cli.Context) error {
 	defer runtime.Shutdown(false)
 
 	args := c.Args()
-	if len(args) != 1 {
+	if len(args) != 1 && !c.Bool("latest") {
 		return errors.Errorf("'podman logs' requires exactly one container name/ID")
 	}
 
@@ -83,7 +86,11 @@ func logsCmd(c *cli.Context) error {
 		tail:      c.Uint64("tail"),
 	}
 
-	ctr, err := runtime.LookupContainer(args[0])
+	if c.Bool("latest") {
+		ctr, err = runtime.GetLatestContainer()
+	} else {
+		ctr, err = runtime.LookupContainer(args[0])
+	}
 	if err != nil {
 		return err
 	}
diff --git a/cmd/podman/rm.go b/cmd/podman/rm.go
index dcb8fac57..8dd3475c0 100644
--- a/cmd/podman/rm.go
+++ b/cmd/podman/rm.go
@@ -19,6 +19,7 @@ var (
 			Name:  "all, a",
 			Usage: "Remove all containers",
 		},
+		LatestFlag,
 	}
 	rmDescription = "Remove one or more containers"
 	rmCommand     = cli.Command{
@@ -46,7 +47,11 @@ func rmCmd(c *cli.Context) error {
 	defer runtime.Shutdown(false)
 
 	args := c.Args()
-	if len(args) == 0 && !c.Bool("all") {
+	if c.Bool("latest") && c.Bool("all") {
+		return errors.Errorf("--all and --latest cannot be used together")
+	}
+
+	if len(args) == 0 && !c.Bool("all") && !c.Bool("latest") {
 		return errors.Errorf("specify one or more containers to remove")
 	}
 
@@ -57,6 +62,12 @@ func rmCmd(c *cli.Context) error {
 		if err != nil {
 			return errors.Wrapf(err, "unable to get container list")
 		}
+	} else if c.Bool("latest") {
+		lastCtr, err := runtime.GetLatestContainer()
+		if err != nil {
+			return errors.Wrapf(err, "unable to get latest container")
+		}
+		delContainers = append(delContainers, lastCtr)
 	} else {
 		for _, i := range args {
 			container, err := runtime.LookupContainer(i)
diff --git a/cmd/podman/start.go b/cmd/podman/start.go
index d4ddfbbe7..0dad5e237 100644
--- a/cmd/podman/start.go
+++ b/cmd/podman/start.go
@@ -26,6 +26,7 @@ var (
 			Name:  "interactive, i",
 			Usage: "Keep STDIN open even if not attached",
 		},
+		LatestFlag,
 	}
 	startDescription = `
    podman start
@@ -46,7 +47,7 @@ var (
 
 func startCmd(c *cli.Context) error {
 	args := c.Args()
-	if len(args) < 1 {
+	if len(args) < 1 && !c.Bool("latest") {
 		return errors.Errorf("you must provide at least one container name or id")
 	}
 
@@ -65,7 +66,13 @@ func startCmd(c *cli.Context) error {
 		return errors.Wrapf(err, "error creating libpod runtime")
 	}
 	defer runtime.Shutdown(false)
-
+	if c.Bool("latest") {
+		lastCtr, err := runtime.GetLatestContainer()
+		if err != nil {
+			return errors.Wrapf(err, "unable to get latest container")
+		}
+		args = append(args, lastCtr.ID())
+	}
 	var lastError error
 	for _, container := range args {
 		// Create a bool channel to track that the console socket attach
diff --git a/cmd/podman/stats.go b/cmd/podman/stats.go
index cf54a8bfe..d2ffd8a75 100644
--- a/cmd/podman/stats.go
+++ b/cmd/podman/stats.go
@@ -42,7 +42,7 @@ var (
 		cli.BoolFlag{
 			Name:  "no-reset",
 			Usage: "disable resetting the screen between intervals",
-		},
+		}, LatestFlag,
 	}
 
 	statsDescription = "display a live stream of one or more containers' resource usage statistics"
@@ -61,6 +61,15 @@ func statsCmd(c *cli.Context) error {
 		return err
 	}
 
+	all := c.Bool("all")
+
+	if c.Bool("latest") && all {
+		return errors.Errorf("--all and --latest cannot be used together")
+	}
+
+	if c.Bool("latest") && len(c.Args()) > 0 {
+		return errors.Errorf("no container names are allowed with --latest")
+	}
 	runtime, err := getRuntime(c)
 	if err != nil {
 		return errors.Wrapf(err, "could not get runtime")
@@ -75,7 +84,6 @@ func statsCmd(c *cli.Context) error {
 	var format string
 	var ctrs []*libpod.Container
 	var containerFunc func() ([]*libpod.Container, error)
-	all := c.Bool("all")
 
 	if c.IsSet("format") {
 		format = c.String("format")
@@ -85,6 +93,13 @@ func statsCmd(c *cli.Context) error {
 
 	if len(c.Args()) > 0 {
 		containerFunc = func() ([]*libpod.Container, error) { return runtime.GetContainersByList(c.Args()) }
+	} else if c.Bool("latest") {
+		containerFunc = func() ([]*libpod.Container, error) {
+			var ctrs []*libpod.Container
+			lastCtr, err := runtime.GetLatestContainer()
+			ctrs = append(ctrs, lastCtr)
+			return ctrs, err
+		}
 	} else if all {
 		containerFunc = runtime.GetAllContainers
 	} else {
diff --git a/cmd/podman/stop.go b/cmd/podman/stop.go
index f85512d47..d18a05bd4 100644
--- a/cmd/podman/stop.go
+++ b/cmd/podman/stop.go
@@ -19,7 +19,7 @@ var (
 		cli.BoolFlag{
 			Name:  "all, a",
 			Usage: "stop all running containers",
-		},
+		}, LatestFlag,
 	}
 	stopDescription = `
    podman stop
@@ -41,10 +41,13 @@ var (
 
 func stopCmd(c *cli.Context) error {
 	args := c.Args()
-	if c.Bool("all") && len(args) > 0 {
-		return errors.Errorf("no arguments are needed with -a")
+	if (c.Bool("all") || c.Bool("latest")) && len(args) > 0 {
+		return errors.Errorf("no arguments are needed with --all or --latest")
+	}
+	if c.Bool("all") && c.Bool("latest") {
+		return errors.Errorf("--all and --latest cannot be used together")
 	}
-	if len(args) < 1 && !c.Bool("all") {
+	if len(args) < 1 && !c.Bool("all") && !c.Bool("latest") {
 		return errors.Errorf("you must provide at least one container name or id")
 	}
 	if err := validateFlags(c, stopFlags); err != nil {
@@ -71,6 +74,12 @@ func stopCmd(c *cli.Context) error {
 		if err != nil {
 			return errors.Wrapf(err, "unable to get running containers")
 		}
+	} else if c.Bool("latest") {
+		lastCtr, err := runtime.GetLatestContainer()
+		if err != nil {
+			return errors.Wrapf(err, "unable to get last created container")
+		}
+		containers = append(containers, lastCtr)
 	} else {
 		for _, i := range args {
 			container, err := runtime.LookupContainer(i)
diff --git a/cmd/podman/top.go b/cmd/podman/top.go
index 796b31c1d..5b1dbd05c 100644
--- a/cmd/podman/top.go
+++ b/cmd/podman/top.go
@@ -16,7 +16,7 @@ var (
 		cli.StringFlag{
 			Name:  "format",
 			Usage: "Change the output to JSON",
-		},
+		}, LatestFlag,
 	}
 	topDescription = `
    podman top
@@ -36,6 +36,8 @@ var (
 )
 
 func topCmd(c *cli.Context) error {
+	var container *libpod.Container
+	var err error
 	doJSON := false
 	if c.IsSet("format") {
 		if strings.ToUpper(c.String("format")) == "JSON" {
@@ -47,7 +49,7 @@ func topCmd(c *cli.Context) error {
 	args := c.Args()
 	var psArgs []string
 	psOpts := []string{"-o", "uid,pid,ppid,c,stime,tname,time,cmd"}
-	if len(args) < 1 {
+	if len(args) < 1 && !c.Bool("latest") {
 		return errors.Errorf("you must provide the name or id of a running container")
 	}
 	if err := validateFlags(c, topFlags); err != nil {
@@ -63,7 +65,12 @@ func topCmd(c *cli.Context) error {
 		psOpts = args[1:]
 	}
 
-	container, err := runtime.LookupContainer(args[0])
+	if c.Bool("latest") {
+		container, err = runtime.GetLatestContainer()
+	} else {
+		container, err = runtime.LookupContainer(args[0])
+	}
+
 	if err != nil {
 		return errors.Wrapf(err, "unable to lookup %s", args[0])
 	}
diff --git a/completions/bash/podman b/completions/bash/podman
index abb629bc9..a552f19d1 100644
--- a/completions/bash/podman
+++ b/completions/bash/podman
@@ -653,7 +653,10 @@ _podman_attach() {
      local boolean_options="
      --help
      -h
-     --no-stdin"
+     --latest
+     -l
+     --no-stdin
+     "
      _complete_ "$options_with_args" "$boolean_options"
 }
 
@@ -752,6 +755,8 @@ _podman_exec() {
     -u
      "
     local boolean_options="
+    --latest
+    -l
     --privileged
     --tty
     -t
@@ -875,6 +880,8 @@ _podman_inspect() {
     local boolean_options="
      --help
      -h
+     --latest
+     -l
      "
     local options_with_args="
     --format
@@ -898,7 +905,10 @@ _podman_kill() {
      "
      local boolean_options="
      --help
-     -h"
+     -h
+     --latest
+     -l
+     "
      _complete_ "$options_with_args" "$boolean_options"
 }
 
@@ -910,6 +920,8 @@ _podman_logs() {
      local boolean_options="
      --follow
      -f
+     --latest
+     -l
      "
      _complete_ "$options_with_args" "$boolean_options"
 
@@ -1286,6 +1298,8 @@ _podman_rm() {
     -a
     --force
     -f
+    --latest
+    -l
     "
 
     local options_with_args="
@@ -1355,6 +1369,10 @@ podman_top() {
     local options_with_args="
     "
     local boolean_options="
+    --help
+    -h
+    --latest
+    -l
     "
     _complete_ "$options_with_args" "$boolean_options"
 }
@@ -1424,7 +1442,9 @@ _podman_start() {
      -a
      --attach
      -i
-     --interactive"
+     --interactive
+     --latest
+     -l"
      _complete_ "$options_with_args" "$boolean_options"
 }
 _podman_stop() {
@@ -1433,7 +1453,9 @@ _podman_stop() {
      "
      local boolean_options="
      --all
-     -a"
+     -a
+     --latest
+     -l"
      _complete_ "$options_with_args" "$boolean_options"
 }
 
diff --git a/docs/podman-attach.1.md b/docs/podman-attach.1.md
index 4d8b803c8..64163b340 100644
--- a/docs/podman-attach.1.md
+++ b/docs/podman-attach.1.md
@@ -20,6 +20,10 @@ sequence is CTRL-p CTRL-q. You configure the key sequence using the --detach-key
 Override the key sequence for detaching a container. Format is a single character [a-Z] or
 ctrl-<value> where <value> is one of: a-z, @, ^, [, , or _.
 
+**--latest, -l**
+Instead of providing the container name or ID, use the last created container. If you use methods other than Podman
+to run containers such as CRI-O, the last started container could be from either of those methods.
+
 **--no-stdin**
 Do not attach STDIN. The default is false.
 
@@ -30,6 +34,10 @@ podman attach foobar
 [root@localhost /]#
 ```
 ```
+podman attach --latest
+[root@localhost /]#
+```
+```
 podman attach 1234
 [root@localhost /]#
 ```
diff --git a/docs/podman-exec.1.md b/docs/podman-exec.1.md
index a9795002e..3c501b169 100644
--- a/docs/podman-exec.1.md
+++ b/docs/podman-exec.1.md
@@ -22,6 +22,10 @@ command to be executed.
 **--interactive, -i**
 Not supported.  All exec commands are interactive by default.
 
+**--latest, -l**
+Instead of providing the container name or ID, use the last created container. If you use methods other than Podman
+to run containers such as CRI-O, the last started  container could be from either of those methods.
+
 **--privileged**
 Give the process extended Linux capabilities when running the command in container.
 
diff --git a/docs/podman-inspect.1.md b/docs/podman-inspect.1.md
index c2edf896d..5b8a344d7 100644
--- a/docs/podman-inspect.1.md
+++ b/docs/podman-inspect.1.md
@@ -21,6 +21,10 @@ Return data on items of the specified type.  Type can be 'container', 'image' or
 
 Format the output using the given Go template
 
+**--latest, -l**
+Instead of providing the container name or ID, use the last created container. If you use methods other than Podman
+to run containers such as CRI-O, the last started container could be from either of those methods.
+
 **--size**
 
 Display the total file size if the type is a container
diff --git a/docs/podman-kill.1.md b/docs/podman-kill.1.md
index e254f2af3..62cb39db4 100644
--- a/docs/podman-kill.1.md
+++ b/docs/podman-kill.1.md
@@ -12,6 +12,9 @@ podman kill - Kills one or more containers with a signal
 The main process inside each container specified will be sent SIGKILL, or any signal specified with option --signal.
 
 ## OPTIONS
+**--latest, -l**
+Instead of providing the container name or ID, use the last created container. If you use methods other than Podman
+to run containers such as CRI-O, the last started container could be from either of those methods.
 
 **--signal, s**
 
@@ -26,6 +29,8 @@ podman kill 860a4b23
 
 podman kill --signal TERM 860a4b23
 
+podman kill --latest
+
 ## SEE ALSO
 podman(1), podman-stop(1)
 
diff --git a/docs/podman-rm.1.md b/docs/podman-rm.1.md
index 0d86dae1c..1047c7fc7 100644
--- a/docs/podman-rm.1.md
+++ b/docs/podman-rm.1.md
@@ -21,6 +21,9 @@ Force the removal of a running container
 
 Remove all containers.  Can be used in conjunction with -f as well.
 
+**--latest, -l**
+Instead of providing the container name or ID, use the last created container. If you use methods other than Podman
+to run containers such as CRI-O, the last started container could be from either of those methods.
 ## EXAMPLE
 
 podman rm mywebserver
@@ -31,6 +34,8 @@ podman rm -f 860a4b23
 
 podman rm -f -a
 
+podman rm -f --latest
+
 ## SEE ALSO
 podman(1), podman-rmi(1)
 
diff --git a/docs/podman-start.1.md b/docs/podman-start.1.md
index a6791127a..492787e6c 100644
--- a/docs/podman-start.1.md
+++ b/docs/podman-start.1.md
@@ -29,6 +29,9 @@ ctrl-<value> where <value> is one of: a-z, @, ^, [, , or _.
 
 Attach container's STDIN. The default is false.
 
+**--latest, -l**
+Instead of providing the container name or ID, use the last created container. If you use methods other than Podman
+to run containers such as CRI-O, the last started container could be from either of those methods.
 
 ## EXAMPLE
 
@@ -38,6 +41,8 @@ podman start 860a4b23 5421ab4
 
 podman start -i -a 860a4b23
 
+podman start -i -l
+
 ## SEE ALSO
 podman(1), podman-create(1)
 
diff --git a/docs/podman-stats.1.md b/docs/podman-stats.1.md
index 6d050b485..b071a27fa 100644
--- a/docs/podman-stats.1.md
+++ b/docs/podman-stats.1.md
@@ -17,6 +17,10 @@ Display a live stream of one or more containers' resource usage statistics
 
 Show all containers.  Only running containers are shown by default
 
+**--latest, -l**
+Instead of providing the container name or ID, use the last created container. If you use methods other than Podman
+to run containers such as CRI-O, the last started container could be from either of those methods.
+
 **--no-reset**
 
 Do not clear the terminal/screen in between reporting intervals
diff --git a/docs/podman-stop.1.md b/docs/podman-stop.1.md
index ad15b9117..f4372be5f 100644
--- a/docs/podman-stop.1.md
+++ b/docs/podman-stop.1.md
@@ -23,6 +23,9 @@ Timeout to wait before forcibly stopping the container
 
 Stop all running containers.  This does not include paused containers.
 
+**--latest, -l**
+Instead of providing the container name or ID, use the last created container. If you use methods other than Podman
+to run containers such as CRI-O, the last started container could be from either of those methods.
 
 ## EXAMPLE
 
@@ -36,6 +39,8 @@ podman stop --timeout 2 860a4b23
 
 podman stop -a
 
+podman stop --latest
+
 ## SEE ALSO
 podman(1), podman-rm(1)
 
diff --git a/docs/podman-top.1.md b/docs/podman-top.1.md
index 1067cdc52..eed15c584 100644
--- a/docs/podman-top.1.md
+++ b/docs/podman-top.1.md
@@ -21,6 +21,10 @@ Display the running process of the container. ps-OPTION can be any of the option
 **--format**
   Display the output in an alternate format.  The only supported format is **JSON**.
 
+**--latest, -l**
+Instead of providing the container name or ID, use the last created container. If you use methods other than Podman
+to run containers such as CRI-O, the last started container could be from either of those methods.
+
 ## EXAMPLES
 
 ```
diff --git a/libpod/runtime_ctr.go b/libpod/runtime_ctr.go
index 914d457a0..0f39ead35 100644
--- a/libpod/runtime_ctr.go
+++ b/libpod/runtime_ctr.go
@@ -3,6 +3,7 @@ package libpod
 import (
 	"os"
 	"path/filepath"
+	"time"
 
 	spec "github.com/opencontainers/runtime-spec/specs-go"
 	"github.com/pkg/errors"
@@ -204,7 +205,6 @@ func (r *Runtime) LookupContainer(idOrName string) (*Container, error) {
 	if !r.valid {
 		return nil, ErrRuntimeStopped
 	}
-
 	return r.state.LookupContainer(idOrName)
 }
 
@@ -268,3 +268,21 @@ func (r *Runtime) GetContainersByList(containers []string) ([]*Container, error)
 	}
 	return ctrs, nil
 }
+
+// GetLatestContainer returns a container object of the latest created container.
+func (r *Runtime) GetLatestContainer() (*Container, error) {
+	var lastCreatedIndex int
+	var lastCreatedTime time.Time
+	ctrs, err := r.GetAllContainers()
+	if err != nil {
+		return nil, errors.Wrapf(err, "unable to find latest container")
+	}
+	for containerIndex, ctr := range ctrs {
+		createdTime := ctr.config.CreatedTime
+		if createdTime.After(lastCreatedTime) {
+			lastCreatedTime = createdTime
+			lastCreatedIndex = containerIndex
+		}
+	}
+	return ctrs[lastCreatedIndex], nil
+}
diff --git a/test/podman_exec.bats b/test/podman_exec.bats
index 2d6a42704..f62da59a3 100644
--- a/test/podman_exec.bats
+++ b/test/podman_exec.bats
@@ -28,3 +28,10 @@ function setup() {
     echo "$output"
     [ "$status" -eq 0 ]
 }
+
+@test "exec simple command using latest" {
+    ${PODMAN_BINARY} ${PODMAN_OPTIONS} run -d -t ${ALPINE} sleep 60
+    run ${PODMAN_BINARY} ${PODMAN_OPTIONS} exec -l ls
+    echo "$output"
+    [ "$status" -eq 0 ]
+}
diff --git a/test/podman_inspect.bats b/test/podman_inspect.bats
index 5c353aae8..9f9336f48 100644
--- a/test/podman_inspect.bats
+++ b/test/podman_inspect.bats
@@ -45,8 +45,7 @@ function setup() {
     run bash -c "${PODMAN_BINARY} ${PODMAN_OPTIONS} create ${BB} ls"
     echo "$output"
     [ "$status" -eq 0 ]
-    ctr_id="$output"
-    run bash -c "${PODMAN_BINARY} $PODMAN_OPTIONS inspect --size $ctr_id | python -m json.tool | grep SizeRootFs"
+    run bash -c "${PODMAN_BINARY} $PODMAN_OPTIONS inspect --size -l | python -m json.tool | grep SizeRootFs"
     echo "$output"
     [ "$status" -eq 0 ]
 }
diff --git a/test/podman_kill.bats b/test/podman_kill.bats
index 1ccf373bb..bb55ed31d 100644
--- a/test/podman_kill.bats
+++ b/test/podman_kill.bats
@@ -62,3 +62,10 @@ function setup() {
     run bash -c "${PODMAN_BINARY} ${PODMAN_OPTIONS} ps --no-trunc"
     [ "$status" -eq 0 ]
 }
+
+@test "kill the latest container run" {
+    ${PODMAN_BINARY} ${PODMAN_OPTIONS} run -d ${ALPINE} sleep 9999
+    run bash -c "${PODMAN_BINARY} ${PODMAN_OPTIONS} kill -l"
+    echo "$output"
+    [ "$status" -eq 0 ]
+}
diff --git a/test/podman_logs.bats b/test/podman_logs.bats
index 4c20654a7..342ffac5e 100644
--- a/test/podman_logs.bats
+++ b/test/podman_logs.bats
@@ -42,11 +42,10 @@ function setup() {
     run bash -c "${PODMAN_BINARY} ${PODMAN_OPTIONS} run -d $BB ls"
     echo "$output"
     [ "$status" -eq 0 ]
-    ctr_id="$output"
-    run bash -c "${PODMAN_BINARY} ${PODMAN_OPTIONS} logs --since 2017-08-07T10:10:09.056611202-04:00 $ctr_id"
+    run bash -c "${PODMAN_BINARY} ${PODMAN_OPTIONS} logs --since 2017-08-07T10:10:09.056611202-04:00 -l"
     echo "$output"
     [ "$status" -eq 0 ]
-    run bash -c "${PODMAN_BINARY} ${PODMAN_OPTIONS} rm $ctr_id"
+    run bash -c "${PODMAN_BINARY} ${PODMAN_OPTIONS} rm -l"
     echo "$output"
     [ "$status" -eq 0 ]
 }
diff --git a/test/podman_stop.bats b/test/podman_stop.bats
index 498d71838..839301435 100644
--- a/test/podman_stop.bats
+++ b/test/podman_stop.bats
@@ -47,3 +47,10 @@ function setup() {
     echo "$output"
     [ "$status" -eq 0 ]
 }
+
+@test "stop a container with latest" {
+    ${PODMAN_BINARY} ${PODMAN_OPTIONS} run -d ${ALPINE} sleep 9999
+    run bash -c "${PODMAN_BINARY} ${PODMAN_OPTIONS} stop -t 1 -l"
+    echo "$output"
+    [ "$status" -eq 0 ]
+}