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package command
import (
"flag"
"github.com/hashicorp/serf/client"
"os"
)
// RPCAddrFlag returns a pointer to a string that will be populated
// when the given flagset is parsed with the RPC address of the Serf.
func RPCAddrFlag(f *flag.FlagSet) *string {
defaultRpcAddr := os.Getenv("SERF_RPC_ADDR")
if defaultRpcAddr == "" {
defaultRpcAddr = "127.0.0.1:7373"
}
return f.String("rpc-addr", defaultRpcAddr,
"RPC address of the Serf agent")
}
// RPCAuthFlag returns a pointer to a string that will be populated
// when the given flagset is parsed with the RPC auth token of the Serf.
func RPCAuthFlag(f *flag.FlagSet) *string {
rpcAuth := os.Getenv("SERF_RPC_AUTH")
return f.String("rpc-auth", rpcAuth,
"RPC auth token of the Serf agent")
}
// RPCClient returns a new Serf RPC client with the given address.
func RPCClient(addr, auth string) (*client.RPCClient, error) {
config := client.Config{Addr: addr, AuthKey: auth}
return client.ClientFromConfig(&config)
}
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