packer-cn/builder/tencentcloud/cvm/step_check_source_image.go

67 lines
1.8 KiB
Go

package cvm
import (
"context"
"fmt"
"regexp"
"github.com/hashicorp/packer-plugin-sdk/multistep"
cvm "github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/cvm/v20170312"
)
type stepCheckSourceImage struct {
sourceImageId string
}
func (s *stepCheckSourceImage) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
var (
imageNameRegex *regexp.Regexp
err error
)
config := state.Get("config").(*Config)
client := state.Get("cvm_client").(*cvm.Client)
Say(state, config.SourceImageId, "Trying to check source image")
req := cvm.NewDescribeImagesRequest()
req.InstanceType = &config.InstanceType
if config.SourceImageId != "" {
req.ImageIds = []*string{&config.SourceImageId}
} else {
imageNameRegex, err = regexp.Compile(config.SourceImageName)
if err != nil {
return Halt(state, fmt.Errorf("regex compilation error"), "Bad input")
}
}
var resp *cvm.DescribeImagesResponse
err = Retry(ctx, func(ctx context.Context) error {
var err error
resp, err = client.DescribeImages(req)
return err
})
if err != nil {
return Halt(state, err, "Failed to get source image info")
}
if *resp.Response.TotalCount > 0 {
images := resp.Response.ImageSet
if imageNameRegex != nil {
for _, image := range images {
if imageNameRegex.MatchString(*image.ImageName) {
state.Put("source_image", image)
Message(state, *image.ImageName, "Image found")
return multistep.ActionContinue
}
}
} else {
state.Put("source_image", images[0])
Message(state, *resp.Response.ImageSet[0].ImageName, "Image found")
return multistep.ActionContinue
}
}
return Halt(state, fmt.Errorf("No image found under current instance_type(%s) restriction", config.InstanceType), "")
}
func (s *stepCheckSourceImage) Cleanup(bag multistep.StateBag) {}