137 lines
3.5 KiB
Go
137 lines
3.5 KiB
Go
package main
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import (
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"fmt"
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"os"
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"github.com/pkg/errors"
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"github.com/projectatomic/libpod/cmd/podman/libpodruntime"
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"github.com/projectatomic/libpod/libpod"
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"github.com/sirupsen/logrus"
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"github.com/urfave/cli"
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)
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var (
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startFlags = []cli.Flag{
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cli.BoolFlag{
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Name: "attach, a",
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Usage: "Attach container's STDOUT and STDERR",
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},
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cli.StringFlag{
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Name: "detach-keys",
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Usage: "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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},
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cli.BoolFlag{
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Name: "interactive, i",
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Usage: "Keep STDIN open even if not attached",
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},
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cli.BoolFlag{
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Name: "sig-proxy",
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Usage: "proxy received signals to the process",
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},
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LatestFlag,
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}
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startDescription = `
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podman start
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Starts one or more containers. The container name or ID can be used.
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`
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startCommand = cli.Command{
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Name: "start",
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Usage: "Start one or more containers",
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Description: startDescription,
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Flags: startFlags,
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Action: startCmd,
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ArgsUsage: "CONTAINER-NAME [CONTAINER-NAME ...]",
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UseShortOptionHandling: true,
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}
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)
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func startCmd(c *cli.Context) error {
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args := c.Args()
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if len(args) < 1 && !c.Bool("latest") {
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return errors.Errorf("you must provide at least one container name or id")
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}
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attach := c.Bool("attach")
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if len(args) > 1 && attach {
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return errors.Errorf("you cannot start and attach multiple containers at once")
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}
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if err := validateFlags(c, startFlags); err != nil {
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return err
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}
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if c.Bool("sig-proxy") && !attach {
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return errors.Wrapf(libpod.ErrInvalidArg, "you cannot use sig-proxy without --attach")
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}
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runtime, err := libpodruntime.GetRuntime(c)
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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.Shutdown(false)
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if c.Bool("latest") {
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lastCtr, err := runtime.GetLatestContainer()
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if err != nil {
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return errors.Wrapf(err, "unable to get latest container")
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}
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args = append(args, lastCtr.ID())
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}
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var lastError error
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for _, container := range args {
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ctr, err := runtime.LookupContainer(container)
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if err != nil {
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if lastError != nil {
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fmt.Fprintln(os.Stderr, lastError)
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}
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lastError = errors.Wrapf(err, "unable to find container %s", container)
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continue
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}
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ctrState, err := ctr.State()
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if err != nil {
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return errors.Wrapf(err, "unable to get container state")
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}
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if attach {
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inputStream := os.Stdin
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if !c.Bool("interactive") {
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inputStream = nil
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}
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if ctrState == libpod.ContainerStateRunning {
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return attachCtr(ctr, os.Stdout, os.Stderr, inputStream, c.String("detach-keys"), c.BoolT("sig-proxy"))
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}
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if err := startAttachCtr(ctr, os.Stdout, os.Stderr, inputStream, c.String("detach-keys"), c.Bool("sig-proxy")); err != nil {
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return errors.Wrapf(err, "unable to start container %s", ctr.ID())
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}
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if ecode, err := ctr.ExitCode(); err != nil {
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logrus.Errorf("unable to get exit code of container %s: %q", ctr.ID(), err)
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} else {
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exitCode = int(ecode)
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}
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return ctr.Cleanup()
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}
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if ctrState == libpod.ContainerStateRunning {
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fmt.Println(ctr.ID())
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continue
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}
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// Handle non-attach start
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if err := ctr.Start(getContext()); err != nil {
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if lastError != nil {
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fmt.Fprintln(os.Stderr, lastError)
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}
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lastError = errors.Wrapf(err, "unable to start container %q", container)
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continue
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}
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fmt.Println(ctr.ID())
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}
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return lastError
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}
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