open-consul/command/reload.go

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2014-06-11 17:58:26 +00:00
package command
import (
"flag"
"fmt"
"github.com/mitchellh/cli"
"strings"
)
// ReloadCommand is a Command implementation that instructs
// the Consul agent to reload configurations
type ReloadCommand struct {
Ui cli.Ui
}
func (c *ReloadCommand) Help() string {
helpText := `
Usage: consul reload
Causes the agent to reload configurations. This can be used instead
of sending the SIGHUP signal to the agent.
Options:
-rpc-addr=127.0.0.1:8400 RPC address of the Consul agent.
`
return strings.TrimSpace(helpText)
}
func (c *ReloadCommand) Run(args []string) int {
cmdFlags := flag.NewFlagSet("reload", flag.ContinueOnError)
cmdFlags.Usage = func() { c.Ui.Output(c.Help()) }
rpcAddr := RPCAddrFlag(cmdFlags)
if err := cmdFlags.Parse(args); err != nil {
return 1
}
client, err := RPCClient(*rpcAddr)
if err != nil {
c.Ui.Error(fmt.Sprintf("Error connecting to Consul agent: %s", err))
return 1
}
defer client.Close()
if err := client.Reload(); err != nil {
c.Ui.Error(fmt.Sprintf("Error reloading: %s", err))
return 1
}
c.Ui.Output("Configuration reload triggered")
return 0
}
func (c *ReloadCommand) Synopsis() string {
return "Triggers the agent to reload configuration files"
}