packer-cn/builder/null/config.go

69 lines
1.5 KiB
Go

package null
import (
"fmt"
"github.com/mitchellh/packer/common"
"github.com/mitchellh/packer/packer"
)
type Config struct {
common.PackerConfig `mapstructure:",squash"`
Host string `mapstructure:"host"`
Port int `mapstructure:"port"`
SSHUsername string `mapstructure:"ssh_username"`
SSHPassword string `mapstructure:"ssh_password"`
SSHPrivateKeyFile string `mapstructure:"ssh_private_key_file"`
tpl *packer.ConfigTemplate
}
func NewConfig(raws ...interface{}) (*Config, []string, error) {
c := new(Config)
md, err := common.DecodeConfig(c, raws...)
if err != nil {
return nil, nil, err
}
c.tpl, err = packer.NewConfigTemplate()
if err != nil {
return nil, nil, err
}
c.tpl.UserVars = c.PackerUserVars
// Defaults
if c.Port == 0 {
c.Port = 22
}
// (none so far)
errs := common.CheckUnusedConfig(md)
if c.Host == "" {
errs = packer.MultiErrorAppend(errs,
fmt.Errorf("host must be specified"))
}
if c.SSHUsername == "" {
errs = packer.MultiErrorAppend(errs,
fmt.Errorf("ssh_username must be specified"))
}
if c.SSHPassword == "" && c.SSHPrivateKeyFile == "" {
errs = packer.MultiErrorAppend(errs,
fmt.Errorf("one of ssh_password and ssh_private_key_file must be specified"))
}
if c.SSHPassword != "" && c.SSHPrivateKeyFile != "" {
errs = packer.MultiErrorAppend(errs,
fmt.Errorf("only one of ssh_password and ssh_private_key_file must be specified"))
}
if errs != nil && len(errs.Errors) > 0 {
return nil, nil, errs
}
return c, nil, nil
}