107 lines
2.5 KiB
Go
107 lines
2.5 KiB
Go
// The scaleway package contains a packer.Builder implementation
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// that builds Scaleway images (snapshots).
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package scaleway
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import (
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"errors"
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"fmt"
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"log"
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"github.com/hashicorp/packer/common"
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"github.com/hashicorp/packer/helper/communicator"
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"github.com/hashicorp/packer/packer"
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"github.com/mitchellh/multistep"
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"github.com/scaleway/scaleway-cli/pkg/api"
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)
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// The unique id for the builder
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const BuilderId = "hashicorp.scaleway"
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type Builder struct {
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config Config
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runner multistep.Runner
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}
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func (b *Builder) Prepare(raws ...interface{}) ([]string, error) {
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c, warnings, errs := NewConfig(raws...)
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if errs != nil {
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return warnings, errs
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}
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b.config = *c
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return nil, nil
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}
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func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packer.Artifact, error) {
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client, err := api.NewScalewayAPI(b.config.Organization, b.config.Token, b.config.UserAgent, b.config.Region)
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if err != nil {
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ui.Error(err.Error())
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return nil, err
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}
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state := new(multistep.BasicStateBag)
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state.Put("config", b.config)
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state.Put("client", client)
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state.Put("hook", hook)
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state.Put("ui", ui)
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steps := []multistep.Step{
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&stepCreateSSHKey{
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Debug: b.config.PackerDebug,
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DebugKeyPath: fmt.Sprintf("scw_%s.pem", b.config.PackerBuildName),
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PrivateKeyFile: b.config.Comm.SSHPrivateKey,
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},
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new(stepCreateServer),
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new(stepServerInfo),
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&communicator.StepConnect{
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Config: &b.config.Comm,
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Host: commHost,
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SSHConfig: sshConfig,
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},
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new(common.StepProvision),
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new(stepShutdown),
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new(stepSnapshot),
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new(stepImage),
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}
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b.runner = common.NewRunnerWithPauseFn(steps, b.config.PackerConfig, ui, state)
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b.runner.Run(state)
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if rawErr, ok := state.GetOk("error"); ok {
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return nil, rawErr.(error)
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}
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// If we were interrupted or cancelled, then just exit.
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if _, ok := state.GetOk(multistep.StateCancelled); ok {
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return nil, errors.New("Build was cancelled.")
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}
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if _, ok := state.GetOk(multistep.StateHalted); ok {
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return nil, errors.New("Build was halted.")
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}
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if _, ok := state.GetOk("snapshot_name"); !ok {
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return nil, errors.New("Cannot find snapshot_name in state.")
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}
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artifact := &Artifact{
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imageName: state.Get("image_name").(string),
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imageID: state.Get("image_id").(string),
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snapshotName: state.Get("snapshot_name").(string),
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snapshotID: state.Get("snapshot_id").(string),
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regionName: state.Get("region").(string),
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client: client,
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}
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return artifact, nil
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}
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func (b *Builder) Cancel() {
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if b.runner != nil {
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log.Println("Cancelling the step runner...")
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b.runner.Cancel()
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}
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}
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