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authorbaude <bbaude@redhat.com>2018-01-02 16:29:43 -0600
committerAtomic Bot <atomic-devel@projectatomic.io>2018-01-08 19:12:17 +0000
commit7b08aa78e4ede4c54fda6cd9917bb62e18d0d634 (patch)
tree1c480d9dfb8db3268dc3fdcca827792278a3ae47 /cmd/podman/kill.go
parent6baf6e461de6e560cc48d35239e7c392bec4481c (diff)
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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
Diffstat (limited to 'cmd/podman/kill.go')
-rw-r--r--cmd/podman/kill.go31
1 files changed, 22 insertions, 9 deletions
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 {