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