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Shortcut for most recent container

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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
This commit is contained in:
baude
2018-01-02 16:29:43 -06:00
committed by Atomic Bot
parent 6baf6e461d
commit 7b08aa78e4
27 changed files with 257 additions and 48 deletions
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31
cmd/podman/kill.go
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@ -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 {