packer-cn/helper/communicator/config.go

39 lines
933 B
Go

package communicator
import (
"errors"
"time"
"github.com/mitchellh/packer/template/interpolate"
)
// Config is the common configuration that communicators allow within
// a builder.
type Config struct {
SSHHost string `mapstructure:"ssh_host"`
SSHPort int `mapstructure:"ssh_port"`
SSHUsername string `mapstructure:"ssh_username"`
SSHPassword string `mapstructure:"ssh_password"`
SSHPrivateKey string `mapstructure:"ssh_private_key_file"`
SSHPty bool `mapstructure:"ssh_pty"`
SSHTimeout time.Duration `mapstructure:"ssh_timeout"`
}
func (c *Config) Prepare(ctx *interpolate.Context) []error {
if c.SSHPort == 0 {
c.SSHPort = 22
}
if c.SSHTimeout == 0 {
c.SSHTimeout = 5 * time.Minute
}
// Validation
var errs []error
if c.SSHUsername == "" {
errs = append(errs, errors.New("An ssh_username must be specified"))
}
return errs
}