mirror of
https://github.com/podman-container-tools/podman.git
synced 2026-10-28 00:37:39 +00:00
This includes: Implement exec -i and fix some typos in description of -i docs pass failed runtime status to caller Add resize handling for a terminal connection Customize exec systemd-cgroup slice fix healthcheck fix top add --detach-keys Implement podman-remote exec (jhonce) * Cleanup some orphaned code (jhonce) adapt remote exec for conmon exec (pehunt) Fix healthcheck and exec to match docs Introduce two new OCIRuntime errors to more comprehensively describe situations in which the runtime can error Use these different errors in branching for exit code in healthcheck and exec Set conmon to use new api version Signed-off-by: Jhon Honce <jhonce@redhat.com> Signed-off-by: Peter Hunt <pehunt@redhat.com>
80 lines
3 KiB
Go
80 lines
3 KiB
Go
package main
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import (
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"github.com/containers/libpod/cmd/podman/cliconfig"
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"github.com/containers/libpod/libpod/define"
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"github.com/containers/libpod/pkg/adapter"
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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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execCommand cliconfig.ExecValues
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execDescription = `Execute the specified command inside a running container.
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`
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_execCommand = &cobra.Command{
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Use: "exec [flags] CONTAINER [COMMAND [ARG...]]",
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Short: "Run a process in a running container",
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Long: execDescription,
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RunE: func(cmd *cobra.Command, args []string) error {
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execCommand.InputArgs = args
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execCommand.GlobalFlags = MainGlobalOpts
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execCommand.Remote = remoteclient
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return execCmd(&execCommand)
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},
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Example: `podman exec -it ctrID ls
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podman exec -it -w /tmp myCtr pwd
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podman exec --user root ctrID ls`,
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}
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)
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func init() {
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execCommand.Command = _execCommand
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execCommand.SetHelpTemplate(HelpTemplate())
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execCommand.SetUsageTemplate(UsageTemplate())
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flags := execCommand.Flags()
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flags.SetInterspersed(false)
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flags.StringVar(&execCommand.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 _")
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flags.StringArrayVarP(&execCommand.Env, "env", "e", []string{}, "Set environment variables")
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flags.BoolVarP(&execCommand.Interactive, "interactive", "i", false, "Keep STDIN open even if not attached")
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flags.BoolVarP(&execCommand.Latest, "latest", "l", false, "Act on the latest container podman is aware of")
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flags.BoolVar(&execCommand.Privileged, "privileged", false, "Give the process extended Linux capabilities inside the container. The default is false")
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flags.BoolVarP(&execCommand.Tty, "tty", "t", false, "Allocate a pseudo-TTY. The default is false")
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flags.StringVarP(&execCommand.User, "user", "u", "", "Sets the username or UID used and optionally the groupname or GID for the specified command")
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flags.IntVar(&execCommand.PreserveFDs, "preserve-fds", 0, "Pass N additional file descriptors to the container")
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flags.StringVarP(&execCommand.Workdir, "workdir", "w", "", "Working directory inside the container")
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markFlagHiddenForRemoteClient("latest", flags)
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markFlagHiddenForRemoteClient("preserve-fds", flags)
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}
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func execCmd(c *cliconfig.ExecValues) error {
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argLen := len(c.InputArgs)
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if c.Latest {
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if argLen < 1 {
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return errors.Errorf("you must provide a command to exec")
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}
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} else {
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if argLen < 1 {
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return errors.Errorf("you must provide one container name or id")
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}
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if argLen < 2 {
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return errors.Errorf("you must provide a command to exec")
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}
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}
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runtime, err := adapter.GetRuntimeNoStore(getContext(), &c.PodmanCommand)
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if err != nil {
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return errors.Wrapf(err, "error creating libpod runtime")
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}
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defer runtime.DeferredShutdown(false)
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exitCode, err = runtime.ExecContainer(getContext(), c)
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if errors.Cause(err) == define.ErrOCIRuntimePermissionDenied {
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exitCode = 126
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}
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if errors.Cause(err) == define.ErrOCIRuntimeNotFound {
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exitCode = 127
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}
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return err
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}
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