88 lines
2.2 KiB
Go
88 lines
2.2 KiB
Go
// +build varlink
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package main
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import (
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"time"
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"github.com/containers/libpod/cmd/podman/libpodruntime"
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iopodman "github.com/containers/libpod/cmd/podman/varlink"
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"github.com/containers/libpod/pkg/varlinkapi"
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"github.com/containers/libpod/version"
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"github.com/pkg/errors"
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"github.com/sirupsen/logrus"
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"github.com/urfave/cli"
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"github.com/varlink/go/varlink"
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)
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var (
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varlinkDescription = `
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podman varlink
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run varlink interface
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`
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varlinkFlags = []cli.Flag{
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cli.IntFlag{
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Name: "timeout, t",
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Usage: "Time until the varlink session expires in milliseconds. Use 0 to disable the timeout.",
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Value: 1000,
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},
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}
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varlinkCommand = &cli.Command{
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Name: "varlink",
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Usage: "Run varlink interface",
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Description: varlinkDescription,
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Flags: sortFlags(varlinkFlags),
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Action: varlinkCmd,
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ArgsUsage: "VARLINK_URI",
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OnUsageError: usageErrorHandler,
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}
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)
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func varlinkCmd(c *cli.Context) error {
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args := c.Args()
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if len(args) < 1 {
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return errors.Errorf("you must provide a varlink URI")
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}
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timeout := time.Duration(c.Int64("timeout")) * time.Millisecond
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// Create a single runtime for varlink
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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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var varlinkInterfaces = []*iopodman.VarlinkInterface{varlinkapi.New(c, runtime)}
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// Register varlink service. The metadata can be retrieved with:
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// $ varlink info [varlink address URI]
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service, err := varlink.NewService(
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"Atomic",
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"podman",
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version.Version,
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"https://github.com/containers/libpod",
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)
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if err != nil {
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return errors.Wrapf(err, "unable to create new varlink service")
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}
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for _, i := range varlinkInterfaces {
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if err := service.RegisterInterface(i); err != nil {
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return errors.Errorf("unable to register varlink interface %v", i)
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}
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}
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// Run the varlink server at the given address
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if err = service.Listen(args[0], timeout); err != nil {
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switch err.(type) {
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case varlink.ServiceTimeoutError:
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logrus.Infof("varlink service expired (use --timeout to increase session time beyond %d ms, 0 means never timeout)", c.Int64("timeout"))
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return nil
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default:
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return errors.Errorf("unable to start varlink service")
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}
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}
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return nil
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}
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