25 lines
559 B
Go

package linode
import (
"fmt"
"log"
"github.com/hashicorp/packer/helper/multistep"
"github.com/linode/linodego"
)
func commHost(host string) func(multistep.StateBag) (string, error) {
return func(state multistep.StateBag) (string, error) {
if host != "" {
log.Printf("Using ssh_host value: %s", host)
return host, nil
}
instance := state.Get("instance").(*linodego.Instance)
if len(instance.IPv4) == 0 {
return "", fmt.Errorf("Linode instance %d has no IPv4 addresses!", instance.ID)
}
return instance.IPv4[0].String(), nil
}
}