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package main
import (
"github.com/containers/libpod/cmd/podman/cliconfig"
"github.com/containers/libpod/libpod/define"
"github.com/containers/libpod/pkg/adapter"
"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 [flags] CONTAINER",
Short: "Attach to a running container",
Long: attachDescription,
RunE: func(cmd *cobra.Command, args []string) error {
attachCommand.InputArgs = args
attachCommand.GlobalFlags = MainGlobalOpts
attachCommand.Remote = remoteclient
return attachCmd(&attachCommand)
},
Example: `podman attach ctrID
podman attach 1234
podman attach --no-stdin foobar`,
}
)
func init() {
attachCommand.Command = _attachCommand
attachCommand.SetHelpTemplate(HelpTemplate())
attachCommand.SetUsageTemplate(UsageTemplate())
flags := attachCommand.Flags()
flags.StringVar(&attachCommand.DetachKeys, "detach-keys", define.DefaultDetachKeys, "Select the key sequence for detaching a container. Format is a single character `[a-Z]` or a comma separated sequence of `ctrl-<value>`, where `<value>` is one of: `a-z`, `@`, `^`, `[`, `\\`, `]`, `^` or `_`")
// Clear the default, the value specified in the config file should have the
// priority
attachCommand.DetachKeys = ""
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")
flags.BoolVarP(&attachCommand.Latest, "latest", "l", false, "Act on the latest container podman is aware of")
markFlagHiddenForRemoteClient("latest", flags)
// TODO allow for passing of a new detach keys
markFlagHiddenForRemoteClient("detach-keys", flags)
}
func attachCmd(c *cliconfig.AttachValues) error {
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")
}
if remoteclient && len(c.InputArgs) != 1 {
return errors.Errorf("attach requires the name or id of one running container")
}
runtime, err := adapter.GetRuntime(getContext(), &c.PodmanCommand)
if err != nil {
return errors.Wrapf(err, "error creating runtime")
}
defer runtime.DeferredShutdown(false)
return runtime.Attach(getContext(), c)
}
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