packer-cn/builder/lxd/config.go

74 lines
1.9 KiB
Go

package lxd
import (
"fmt"
"github.com/hashicorp/packer/common"
"github.com/hashicorp/packer/helper/config"
"github.com/hashicorp/packer/packer"
"github.com/hashicorp/packer/template/interpolate"
"github.com/mitchellh/mapstructure"
)
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"`
Profile string `mapstructure:"profile"`
InitSleep string `mapstructure:"init_sleep"`
PublishProperties map[string]string `mapstructure:"publish_properties"`
LaunchConfig map[string]string `mapstructure:"launch_config"`
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 c.Profile == "" {
c.Profile = "default"
}
// Sadly we have to wait a few seconds for /tmp to be intialized and networking
// to finish starting. There isn't a great cross platform to check when things are ready.
if c.InitSleep == "" {
c.InitSleep = "3"
}
if errs != nil && len(errs.Errors) > 0 {
return nil, errs
}
return &c, nil
}