packer-cn/builder/lxd/config.go

61 lines
1.4 KiB
Go

package lxd
import (
"fmt"
"github.com/mitchellh/mapstructure"
"github.com/mitchellh/packer/common"
"github.com/mitchellh/packer/helper/config"
"github.com/mitchellh/packer/packer"
"github.com/mitchellh/packer/template/interpolate"
"time"
)
type Config struct {
common.PackerConfig `mapstructure:",squash"`
OutputImage string `mapstructure:"output_image"`
ContainerName string `mapstructure:"container_name"`
CommandWrapper string `mapstructure:"command_wrapper"`
Image string `mapstructure:"image"`
InitTimeout time.Duration
ctx interpolate.Context
}
func NewConfig(raws ...interface{}) (*Config, error) {
var c Config
var md mapstructure.Metadata
err := config.Decode(&c, &config.DecodeOpts{
Metadata: &md,
Interpolate: true,
}, raws...)
if err != nil {
return nil, err
}
// Accumulate any errors
var errs *packer.MultiError
if c.ContainerName == "" {
c.ContainerName = fmt.Sprintf("packer-%s", c.PackerBuildName)
}
if c.OutputImage == "" {
c.OutputImage = c.ContainerName
}
if c.CommandWrapper == "" {
c.CommandWrapper = "{{.Command}}"
}
if c.Image == "" {
errs = packer.MultiErrorAppend(errs, fmt.Errorf("`image` is a required parameter for LXD. Please specify an image by alias or fingerprint. e.g. `ubuntu-daily:x`"))
}
if errs != nil && len(errs.Errors) > 0 {
return nil, errs
}
return &c, nil
}