mirror of
https://github.com/containers/podman.git
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5dded6fae7
We missed bumping the go module, so let's do it now :) * Automated go code with github.com/sirkon/go-imports-rename * Manually via `vgrep podman/v2` the rest Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
90 lines
3.1 KiB
Go
90 lines
3.1 KiB
Go
package containers
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import (
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"os"
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"github.com/containers/podman/v3/cmd/podman/common"
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"github.com/containers/podman/v3/cmd/podman/registry"
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"github.com/containers/podman/v3/cmd/podman/validate"
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"github.com/containers/podman/v3/pkg/domain/entities"
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"github.com/pkg/errors"
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"github.com/spf13/cobra"
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)
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var (
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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."
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attachCommand = &cobra.Command{
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Use: "attach [options] CONTAINER",
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Short: "Attach to a running container",
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Long: attachDescription,
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RunE: attach,
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Args: validate.IDOrLatestArgs,
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ValidArgsFunction: common.AutocompleteContainersRunning,
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Example: `podman attach ctrID
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podman attach 1234
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podman attach --no-stdin foobar`,
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}
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containerAttachCommand = &cobra.Command{
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Use: attachCommand.Use,
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Short: attachCommand.Short,
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Long: attachCommand.Long,
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RunE: attachCommand.RunE,
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Args: validate.IDOrLatestArgs,
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ValidArgsFunction: attachCommand.ValidArgsFunction,
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Example: `podman container attach ctrID
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podman container attach 1234
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podman container attach --no-stdin foobar`,
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}
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)
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var (
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attachOpts entities.AttachOptions
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)
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func attachFlags(cmd *cobra.Command) {
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flags := cmd.Flags()
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detachKeysFlagName := "detach-keys"
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flags.StringVar(&attachOpts.DetachKeys, detachKeysFlagName, containerConfig.DetachKeys(), "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 `_`")
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_ = cmd.RegisterFlagCompletionFunc(detachKeysFlagName, common.AutocompleteDetachKeys)
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flags.BoolVar(&attachOpts.NoStdin, "no-stdin", false, "Do not attach STDIN. The default is false")
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flags.BoolVar(&attachOpts.SigProxy, "sig-proxy", true, "Proxy received signals to the process")
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}
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func init() {
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registry.Commands = append(registry.Commands, registry.CliCommand{
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Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
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Command: attachCommand,
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})
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attachFlags(attachCommand)
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validate.AddLatestFlag(attachCommand, &attachOpts.Latest)
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registry.Commands = append(registry.Commands, registry.CliCommand{
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Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
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Command: containerAttachCommand,
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Parent: containerCmd,
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})
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attachFlags(containerAttachCommand)
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validate.AddLatestFlag(containerAttachCommand, &attachOpts.Latest)
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}
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func attach(cmd *cobra.Command, args []string) error {
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if len(args) > 1 || (len(args) == 0 && !attachOpts.Latest) {
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return errors.Errorf("attach requires the name or id of one running container or the latest flag")
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}
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var name string
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if len(args) > 0 {
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name = args[0]
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}
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attachOpts.Stdin = os.Stdin
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if attachOpts.NoStdin {
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attachOpts.Stdin = nil
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}
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attachOpts.Stdout = os.Stdout
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attachOpts.Stderr = os.Stderr
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return registry.ContainerEngine().ContainerAttach(registry.GetContext(), name, attachOpts)
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}
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