mirror of https://github.com/containers/podman.git
107 lines
3.0 KiB
Go
107 lines
3.0 KiB
Go
package main
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import (
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"fmt"
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"os"
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"strings"
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"github.com/containers/libpod/cmd/podman/cliconfig"
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"github.com/containers/libpod/pkg/adapter"
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"github.com/opentracing/opentracing-go"
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"github.com/pkg/errors"
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"github.com/sirupsen/logrus"
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"github.com/spf13/cobra"
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)
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var (
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createCommand cliconfig.CreateValues
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createDescription = `Creates a new container from the given image or storage and prepares it for running the specified command.
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The container ID is then printed to stdout. You can then start it at any time with the podman start <container_id> command. The container will be created with the initial state 'created'.`
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_createCommand = &cobra.Command{
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Use: "create [flags] IMAGE [COMMAND [ARG...]]",
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Short: "Create but do not start a container",
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Long: createDescription,
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RunE: func(cmd *cobra.Command, args []string) error {
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createCommand.InputArgs = args
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createCommand.GlobalFlags = MainGlobalOpts
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createCommand.Remote = remoteclient
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return createCmd(&createCommand)
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},
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Example: `podman create alpine ls
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podman create --annotation HELLO=WORLD alpine ls
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podman create -t -i --name myctr alpine ls`,
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}
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)
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func init() {
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createCommand.PodmanCommand.Command = _createCommand
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createCommand.SetHelpTemplate(HelpTemplate())
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createCommand.SetUsageTemplate(UsageTemplate())
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getCreateFlags(&createCommand.PodmanCommand)
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flags := createCommand.Flags()
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flags.SetInterspersed(false)
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flags.SetNormalizeFunc(aliasFlags)
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}
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func createCmd(c *cliconfig.CreateValues) error {
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if c.Bool("trace") {
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span, _ := opentracing.StartSpanFromContext(Ctx, "createCmd")
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defer span.Finish()
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}
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if c.String("authfile") != "" {
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if _, err := os.Stat(c.String("authfile")); err != nil {
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return errors.Wrapf(err, "error getting authfile %s", c.String("authfile"))
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}
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}
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if err := createInit(&c.PodmanCommand); err != nil {
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return err
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}
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runtime, err := adapter.GetRuntime(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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cid, err := runtime.CreateContainer(getContext(), c)
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if err != nil {
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return err
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}
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fmt.Printf("%s\n", cid)
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return nil
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}
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func createInit(c *cliconfig.PodmanCommand) error {
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if !remote && c.Bool("trace") {
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span, _ := opentracing.StartSpanFromContext(Ctx, "createInit")
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defer span.Finish()
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}
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if c.IsSet("privileged") && c.IsSet("security-opt") {
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logrus.Warn("setting security options with --privileged has no effect")
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}
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var setNet string
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if c.IsSet("network") {
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setNet = c.String("network")
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} else if c.IsSet("net") {
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setNet = c.String("net")
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}
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if (c.IsSet("dns") || c.IsSet("dns-opt") || c.IsSet("dns-search")) && (setNet == "none" || strings.HasPrefix(setNet, "container:")) {
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return errors.Errorf("conflicting options: dns and the network mode.")
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}
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// Docker-compatibility: the "-h" flag for run/create is reserved for
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// the hostname (see https://github.com/containers/libpod/issues/1367).
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if len(c.InputArgs) < 1 {
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return errors.Errorf("image name or ID is required")
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}
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return nil
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}
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