consul/command/connect/enable/connect_enable.go

102 lines
2.2 KiB
Go

package enable
import (
"flag"
"fmt"
"io"
"github.com/hashicorp/consul/api"
"github.com/hashicorp/consul/command/flags"
"github.com/mitchellh/cli"
)
func New(ui cli.Ui) *cmd {
c := &cmd{UI: ui}
c.init()
return c
}
type cmd struct {
UI cli.Ui
flags *flag.FlagSet
http *flags.HTTPFlags
help string
service string
protocol string
sidecarProxy bool
testStdin io.Reader
}
func (c *cmd) init() {
c.flags = flag.NewFlagSet("", flag.ContinueOnError)
c.http = &flags.HTTPFlags{}
c.flags.BoolVar(&c.sidecarProxy, "sidecar-proxy", false, "Whether the service should have a Sidecar Proxy by default")
c.flags.StringVar(&c.service, "service", "", "The service to enable connect for")
c.flags.StringVar(&c.protocol, "protocol", "", "The protocol spoken by the service")
flags.Merge(c.flags, c.http.ClientFlags())
flags.Merge(c.flags, c.http.ServerFlags())
c.help = flags.Usage(help, c.flags)
}
func (c *cmd) Run(args []string) int {
if err := c.flags.Parse(args); err != nil {
return 1
}
if c.service == "" {
c.UI.Error("Must specify the -service parameter")
return 1
}
entry := &api.ServiceConfigEntry{
Kind: api.ServiceDefaults,
Name: c.service,
Protocol: c.protocol,
Connect: api.ConnectConfiguration{
SidecarProxy: c.sidecarProxy,
},
}
client, err := c.http.APIClient()
if err != nil {
c.UI.Error(fmt.Sprintf("Error connect to Consul agent: %s", err))
return 1
}
written, _, err := client.ConfigEntries().Set(entry, nil)
if err != nil {
c.UI.Error(fmt.Sprintf("Error writing config entry %q / %q: %v", entry.GetKind(), entry.GetName(), err))
return 1
}
if !written {
c.UI.Error(fmt.Sprintf("Config entry %q / %q not updated", entry.GetKind(), entry.GetName()))
return 1
}
// TODO (mkeeler) should we output anything when successful
return 0
}
func (c *cmd) Synopsis() string {
return synopsis
}
func (c *cmd) Help() string {
return flags.Usage(c.help, nil)
}
const synopsis = "Sets some simple Connect related configuration for a service"
const help = `
Usage: consul connect enable -service <service name> [options]
Sets up some Connect related service defaults.
Example:
$ consul connect enable -service web -protocol http -sidecar-proxy true
`