packer-cn/builder/null/config.go

60 lines
1.5 KiB
Go

package null
import (
"fmt"
"github.com/mitchellh/packer/common"
"github.com/mitchellh/packer/helper/communicator"
"github.com/mitchellh/packer/helper/config"
"github.com/mitchellh/packer/packer"
"github.com/mitchellh/packer/template/interpolate"
)
type Config struct {
common.PackerConfig `mapstructure:",squash"`
CommConfig communicator.Config `mapstructure:",squash"`
}
func NewConfig(raws ...interface{}) (*Config, []string, error) {
var c Config
err := config.Decode(&c, &config.DecodeOpts{
Interpolate: true,
InterpolateFilter: &interpolate.RenderFilter{},
}, raws...)
if err != nil {
return nil, nil, err
}
var errs *packer.MultiError
if es := c.CommConfig.Prepare(nil); len(es) > 0 {
errs = packer.MultiErrorAppend(errs, es...)
}
if c.CommConfig.SSHHost == "" {
errs = packer.MultiErrorAppend(errs,
fmt.Errorf("host must be specified"))
}
if c.CommConfig.SSHUsername == "" {
errs = packer.MultiErrorAppend(errs,
fmt.Errorf("ssh_username must be specified"))
}
if c.CommConfig.SSHPassword == "" && c.CommConfig.SSHPrivateKey == "" {
errs = packer.MultiErrorAppend(errs,
fmt.Errorf("one of ssh_password and ssh_private_key_file must be specified"))
}
if c.CommConfig.SSHPassword != "" && c.CommConfig.SSHPrivateKey != "" {
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
}