132 lines
3.8 KiB
Go
132 lines
3.8 KiB
Go
// The googlecompute package contains a packer.Builder implementation that
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// builds images for Google Compute Engine.
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package googlecompute
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import (
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"context"
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"fmt"
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"log"
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"github.com/hashicorp/hcl/v2/hcldec"
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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/hashicorp/packer/packer-plugin-sdk/multistep"
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"github.com/hashicorp/packer/packer-plugin-sdk/multistep/commonsteps"
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packersdk "github.com/hashicorp/packer/packer-plugin-sdk/packer"
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)
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// The unique ID for this builder.
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const BuilderId = "packer.googlecompute"
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// Builder represents a Packer Builder.
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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) ConfigSpec() hcldec.ObjectSpec { return b.config.FlatMapstructure().HCL2Spec() }
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func (b *Builder) Prepare(raws ...interface{}) ([]string, []string, error) {
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warnings, errs := b.config.Prepare(raws...)
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if errs != nil {
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return nil, warnings, errs
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}
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return nil, warnings, nil
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}
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// Run executes a googlecompute Packer build and returns a packer.Artifact
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// representing a GCE machine image.
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func (b *Builder) Run(ctx context.Context, ui packersdk.Ui, hook packer.Hook) (packer.Artifact, error) {
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cfg := GCEDriverConfig{
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Ui: ui,
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ProjectId: b.config.ProjectId,
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Account: b.config.account,
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ImpersonateServiceAccountName: b.config.ImpersonateServiceAccount,
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VaultOauthEngineName: b.config.VaultGCPOauthEngine,
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}
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driver, err := NewDriverGCE(cfg)
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if err != nil {
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return nil, err
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}
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// Set up the state.
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state := new(multistep.BasicStateBag)
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state.Put("config", &b.config)
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state.Put("driver", driver)
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state.Put("hook", hook)
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state.Put("ui", ui)
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// Build the steps.
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steps := []multistep.Step{
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new(StepCheckExistingImage),
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&communicator.StepSSHKeyGen{
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CommConf: &b.config.Comm,
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SSHTemporaryKeyPair: b.config.Comm.SSH.SSHTemporaryKeyPair,
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},
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multistep.If(b.config.PackerDebug && b.config.Comm.SSHPrivateKeyFile == "",
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&communicator.StepDumpSSHKey{
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Path: fmt.Sprintf("gce_%s.pem", b.config.PackerBuildName),
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SSH: &b.config.Comm.SSH,
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},
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),
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&StepImportOSLoginSSHKey{
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Debug: b.config.PackerDebug,
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},
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&StepCreateInstance{
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Debug: b.config.PackerDebug,
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},
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&StepCreateWindowsPassword{
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Debug: b.config.PackerDebug,
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DebugKeyPath: fmt.Sprintf("gce_windows_%s.pem", b.config.PackerBuildName),
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},
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&StepInstanceInfo{
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Debug: b.config.PackerDebug,
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},
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&StepStartTunnel{
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IAPConf: &b.config.IAPConfig,
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CommConf: &b.config.Comm,
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AccountFile: b.config.AccountFile,
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ImpersonateAccount: b.config.ImpersonateServiceAccount,
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ProjectId: b.config.ProjectId,
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},
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&communicator.StepConnect{
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Config: &b.config.Comm,
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Host: communicator.CommHost(b.config.Comm.Host(), "instance_ip"),
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SSHConfig: b.config.Comm.SSHConfigFunc(),
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WinRMConfig: winrmConfig,
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},
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new(commonsteps.StepProvision),
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&commonsteps.StepCleanupTempKeys{
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Comm: &b.config.Comm,
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},
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}
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if _, exists := b.config.Metadata[StartupScriptKey]; exists || b.config.StartupScriptFile != "" {
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steps = append(steps, new(StepWaitStartupScript))
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}
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steps = append(steps, new(StepTeardownInstance), new(StepCreateImage))
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// Run the steps.
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b.runner = commonsteps.NewRunner(steps, b.config.PackerConfig, ui)
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b.runner.Run(ctx, state)
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// Report any errors.
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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 _, ok := state.GetOk("image"); !ok {
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log.Println("Failed to find image in state. Bug?")
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return nil, nil
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}
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artifact := &Artifact{
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image: state.Get("image").(*Image),
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driver: driver,
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config: &b.config,
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StateData: map[string]interface{}{"generated_data": state.Get("generated_data")},
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}
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return artifact, nil
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}
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// Cancel.
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