mirror of
https://github.com/podman-container-tools/podman.git
synced 2026-09-12 10:37:54 +00:00
13d2354bc6
In the previous CLI, we had an accurate depiction of commands available for the remote client and those available for the local client. Signed-off-by: baude <bbaude@redhat.com>
81 lines
2.5 KiB
Go
81 lines
2.5 KiB
Go
package main
|
|
|
|
import (
|
|
"os"
|
|
|
|
"github.com/containers/libpod/cmd/podman/cliconfig"
|
|
"github.com/containers/libpod/cmd/podman/libpodruntime"
|
|
"github.com/containers/libpod/libpod"
|
|
"github.com/pkg/errors"
|
|
"github.com/spf13/cobra"
|
|
)
|
|
|
|
var (
|
|
attachCommand cliconfig.AttachValues
|
|
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 = &cobra.Command{
|
|
Use: "attach",
|
|
Short: "Attach to a running container",
|
|
Long: attachDescription,
|
|
RunE: func(cmd *cobra.Command, args []string) error {
|
|
attachCommand.InputArgs = args
|
|
attachCommand.GlobalFlags = MainGlobalOpts
|
|
return attachCmd(&attachCommand)
|
|
},
|
|
Example: "",
|
|
}
|
|
)
|
|
|
|
func init() {
|
|
attachCommand.Command = _attachCommand
|
|
flags := attachCommand.Flags()
|
|
flags.StringVar(&attachCommand.DetachKeys, "detach-keys", "", "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 _")
|
|
flags.BoolVar(&attachCommand.NoStdin, "no-stdin", false, "Do not attach STDIN. The default is false")
|
|
flags.BoolVar(&attachCommand.SigProxy, "sig-proxy", true, "Proxy received signals to the process (default true)")
|
|
|
|
flags.BoolVarP(&attachCommand.Latest, "latest", "l", false, "Act on the latest container podman is aware of")
|
|
}
|
|
|
|
func attachCmd(c *cliconfig.AttachValues) error {
|
|
args := c.InputArgs
|
|
var ctr *libpod.Container
|
|
|
|
if len(c.InputArgs) > 1 || (len(c.InputArgs) == 0 && !c.Latest) {
|
|
return errors.Errorf("attach requires the name or id of one running container or the latest flag")
|
|
}
|
|
|
|
runtime, err := libpodruntime.GetRuntime(&c.PodmanCommand)
|
|
if err != nil {
|
|
return errors.Wrapf(err, "error creating libpod runtime")
|
|
}
|
|
defer runtime.Shutdown(false)
|
|
|
|
if c.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])
|
|
}
|
|
|
|
conState, err := ctr.State()
|
|
if err != nil {
|
|
return errors.Wrapf(err, "unable to determine state of %s", args[0])
|
|
}
|
|
if conState != libpod.ContainerStateRunning {
|
|
return errors.Errorf("you can only attach to running containers")
|
|
}
|
|
|
|
inputStream := os.Stdin
|
|
if c.NoStdin {
|
|
inputStream = nil
|
|
}
|
|
|
|
if err := startAttachCtr(ctr, os.Stdout, os.Stderr, inputStream, c.DetachKeys, c.SigProxy, false); err != nil {
|
|
return errors.Wrapf(err, "error attaching to container %s", ctr.ID())
|
|
}
|
|
|
|
return nil
|
|
}
|