mirror of https://github.com/hashicorp/consul
110 lines
2.5 KiB
Go
110 lines
2.5 KiB
Go
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package establish
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import (
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"context"
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"flag"
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"fmt"
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"github.com/mitchellh/cli"
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"github.com/hashicorp/consul/api"
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"github.com/hashicorp/consul/command/flags"
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)
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func New(ui cli.Ui) *cmd {
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c := &cmd{UI: ui}
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c.init()
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return c
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}
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type cmd struct {
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UI cli.Ui
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flags *flag.FlagSet
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http *flags.HTTPFlags
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help string
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name string
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peeringToken string
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meta map[string]string
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}
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func (c *cmd) init() {
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c.flags = flag.NewFlagSet("", flag.ContinueOnError)
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c.flags.StringVar(&c.name, "name", "", "(Required) The local name assigned to the peer cluster.")
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c.flags.StringVar(&c.peeringToken, "peering-token", "", "(Required) The peering token from the accepting cluster.")
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c.flags.Var((*flags.FlagMapValue)(&c.meta), "meta",
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"Metadata to associate with the peering, formatted as key=value. This flag "+
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"may be specified multiple times to set multiple meta fields.")
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c.http = &flags.HTTPFlags{}
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flags.Merge(c.flags, c.http.ClientFlags())
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flags.Merge(c.flags, c.http.PartitionFlag())
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c.help = flags.Usage(help, c.flags)
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}
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func (c *cmd) Run(args []string) int {
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if err := c.flags.Parse(args); err != nil {
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return 1
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}
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if c.name == "" {
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c.UI.Error("Missing the required -name flag")
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return 1
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}
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if c.peeringToken == "" {
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c.UI.Error("Missing the required -peering-token flag")
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return 1
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}
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client, err := c.http.APIClient()
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if err != nil {
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c.UI.Error(fmt.Sprintf("Error connecting to Consul agent: %s", err))
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return 1
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}
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peerings := client.Peerings()
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req := api.PeeringEstablishRequest{
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PeerName: c.name,
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PeeringToken: c.peeringToken,
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Partition: c.http.Partition(),
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Meta: c.meta,
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}
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_, _, err = peerings.Establish(context.Background(), req, &api.WriteOptions{})
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if err != nil {
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c.UI.Error(fmt.Sprintf("Error establishing peering for %s: %v", req.PeerName, err))
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return 1
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}
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c.UI.Info(fmt.Sprintf("Successfully established peering connection with %s", req.PeerName))
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return 0
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}
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func (c *cmd) Synopsis() string {
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return synopsis
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}
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func (c *cmd) Help() string {
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return flags.Usage(c.help, nil)
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}
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const (
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synopsis = "Establish a peering connection"
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help = `
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Usage: consul peering establish [options] -name <peer name> -peering-token <token>
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Establish a peering connection. The name provided will be used locally by
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this cluster to refer to the peering connection. The peering token can
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only be used once to establish the connection.
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Example:
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$ consul peering establish -name west-dc -peering-token <token>
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`
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)
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