packer-cn/builder/ucloud/common/image_config.go

75 lines
2.1 KiB
Go

//go:generate mapstructure-to-hcl2 -type ImageDestination
package common
import (
"fmt"
"regexp"
"github.com/hashicorp/packer/template/interpolate"
)
type ImageDestination struct {
ProjectId string `mapstructure:"project_id"`
Region string `mapstructure:"region"`
Name string `mapstructure:"name"`
Description string `mapstructure:"description"`
}
type ImageConfig struct {
ImageName string `mapstructure:"image_name"`
ImageDescription string `mapstructure:"image_description"`
ImageDestinations []ImageDestination `mapstructure:"image_copy_to_mappings"`
WaitImageReadyTimeout int `mapstructure:"wait_image_ready_timeout"`
}
var ImageNamePattern = regexp.MustCompile(`^[A-Za-z0-9\p{Han}-_\[\]:,.]{1,63}$`)
func (c *ImageConfig) Prepare(ctx *interpolate.Context) []error {
var errs []error
imageName := c.ImageName
if imageName == "" {
errs = append(errs, fmt.Errorf("%q must be set", "image_name"))
} else if !ImageNamePattern.MatchString(imageName) {
errs = append(errs, fmt.Errorf("expected %q to be 1-63 characters and only support chinese, english, numbers, '-_,.:[]', got %q", "image_name", imageName))
}
if len(c.ImageDestinations) > 0 {
for _, imageDestination := range c.ImageDestinations {
if imageDestination.Name == "" {
imageDestination.Name = imageName
}
errs = append(errs, imageDestination.validate()...)
}
}
if c.WaitImageReadyTimeout <= 0 {
c.WaitImageReadyTimeout = DefaultCreateImageTimeout
}
if len(errs) > 0 {
return errs
}
return nil
}
func (imageDestination *ImageDestination) validate() []error {
var errs []error
if imageDestination.Region == "" {
errs = append(errs, fmt.Errorf("%q must be set", "image_copy_region"))
}
if imageDestination.ProjectId == "" {
errs = append(errs, fmt.Errorf("%q must be set", "image_copy_project"))
}
if imageDestination.Name != "" && !ImageNamePattern.MatchString(imageDestination.Name) {
errs = append(errs, fmt.Errorf("expected %q to be 1-63 characters and only support chinese, english, numbers, '-_,.:[]', got %q", "image_copy_name", imageDestination.Name))
}
return errs
}