packer-cn/builder/scaleway/step_pre_validate.go

81 lines
2.2 KiB
Go

package scaleway
import (
"context"
"fmt"
"github.com/hashicorp/packer-plugin-sdk/multistep"
packersdk "github.com/hashicorp/packer-plugin-sdk/packer"
"github.com/scaleway/scaleway-sdk-go/api/instance/v1"
"github.com/scaleway/scaleway-sdk-go/scw"
)
// StepPreValidate provides an opportunity to pre-validate any configuration for
// the build before actually doing any time consuming work
//
type stepPreValidate struct {
Force bool
ImageName string
SnapshotName string
}
func (s *stepPreValidate) Run(ctx context.Context, state multistep.StateBag) multistep.StepAction {
ui := state.Get("ui").(packersdk.Ui)
if s.Force {
ui.Say("Force flag found, skipping prevalidating image name")
return multistep.ActionContinue
}
ui.Say(fmt.Sprintf("Prevalidating image name: %s", s.ImageName))
instanceAPI := instance.NewAPI(state.Get("client").(*scw.Client))
images, err := instanceAPI.ListImages(
&instance.ListImagesRequest{Name: &s.ImageName},
scw.WithAllPages(), scw.WithContext(ctx))
if err != nil {
err := fmt.Errorf("Error: getting image list: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
for _, im := range images.Images {
if im.Name == s.ImageName {
err := fmt.Errorf("Error: image name: '%s' is used by existing image with ID %s",
s.ImageName, im.ID)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
}
ui.Say(fmt.Sprintf("Prevalidating snapshot name: %s", s.SnapshotName))
snapshots, err := instanceAPI.ListSnapshots(
&instance.ListSnapshotsRequest{Name: &s.SnapshotName},
scw.WithAllPages(), scw.WithContext(ctx))
if err != nil {
err := fmt.Errorf("Error: getting snapshot list: %s", err)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
for _, sn := range snapshots.Snapshots {
if sn.Name == s.SnapshotName {
err := fmt.Errorf("Error: snapshot name: '%s' is used by existing snapshot with ID %s",
s.SnapshotName, sn.ID)
state.Put("error", err)
ui.Error(err.Error())
return multistep.ActionHalt
}
}
return multistep.ActionContinue
}
func (s *stepPreValidate) Cleanup(multistep.StateBag) {
}