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8dc8cd4719
This new flag will allow the configuration of an interface that can be used for data path traffic to be isolated from control plane traffic. This flag is simply percolated down to libnetwork and will be used by all the global scope drivers (today overlay) Negative test added for invalid flag arguments Signed-off-by: Flavio Crisciani <flavio.crisciani@docker.com>
88 lines
2.5 KiB
Go
88 lines
2.5 KiB
Go
package swarm
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import (
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"fmt"
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"strings"
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"golang.org/x/net/context"
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"github.com/docker/docker/api/types/swarm"
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"github.com/docker/docker/cli"
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"github.com/docker/docker/cli/command"
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"github.com/pkg/errors"
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"github.com/spf13/cobra"
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"github.com/spf13/pflag"
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)
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type joinOptions struct {
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remote string
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listenAddr NodeAddrOption
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// Not a NodeAddrOption because it has no default port.
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advertiseAddr string
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dataPathAddr string
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token string
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availability string
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}
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func newJoinCommand(dockerCli command.Cli) *cobra.Command {
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opts := joinOptions{
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listenAddr: NewListenAddrOption(),
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}
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cmd := &cobra.Command{
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Use: "join [OPTIONS] HOST:PORT",
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Short: "Join a swarm as a node and/or manager",
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Args: cli.ExactArgs(1),
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RunE: func(cmd *cobra.Command, args []string) error {
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opts.remote = args[0]
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return runJoin(dockerCli, cmd.Flags(), opts)
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},
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}
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flags := cmd.Flags()
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flags.Var(&opts.listenAddr, flagListenAddr, "Listen address (format: <ip|interface>[:port])")
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flags.StringVar(&opts.advertiseAddr, flagAdvertiseAddr, "", "Advertised address (format: <ip|interface>[:port])")
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flags.StringVar(&opts.dataPathAddr, flagDataPathAddr, "", "Address or interface to use for data path traffic (format: <ip|interface>)")
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flags.StringVar(&opts.token, flagToken, "", "Token for entry into the swarm")
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flags.StringVar(&opts.availability, flagAvailability, "active", `Availability of the node ("active"|"pause"|"drain")`)
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return cmd
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}
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func runJoin(dockerCli command.Cli, flags *pflag.FlagSet, opts joinOptions) error {
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client := dockerCli.Client()
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ctx := context.Background()
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req := swarm.JoinRequest{
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JoinToken: opts.token,
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ListenAddr: opts.listenAddr.String(),
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AdvertiseAddr: opts.advertiseAddr,
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DataPathAddr: opts.dataPathAddr,
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RemoteAddrs: []string{opts.remote},
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}
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if flags.Changed(flagAvailability) {
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availability := swarm.NodeAvailability(strings.ToLower(opts.availability))
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switch availability {
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case swarm.NodeAvailabilityActive, swarm.NodeAvailabilityPause, swarm.NodeAvailabilityDrain:
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req.Availability = availability
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default:
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return errors.Errorf("invalid availability %q, only active, pause and drain are supported", opts.availability)
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}
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}
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err := client.SwarmJoin(ctx, req)
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if err != nil {
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return err
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}
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info, err := client.Info(ctx)
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if err != nil {
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return err
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}
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if info.Swarm.ControlAvailable {
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fmt.Fprintln(dockerCli.Out(), "This node joined a swarm as a manager.")
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} else {
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fmt.Fprintln(dockerCli.Out(), "This node joined a swarm as a worker.")
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}
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return nil
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}
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