2013-12-08 17:37:36 -05:00
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package googlecompute
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import (
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2013-12-13 00:38:34 -05:00
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"errors"
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"fmt"
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"time"
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2013-12-08 17:37:36 -05:00
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"github.com/mitchellh/multistep"
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"github.com/mitchellh/packer/packer"
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)
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2013-12-13 00:38:34 -05:00
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// StepCreateInstance represents a Packer build step that creates GCE instances.
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type StepCreateInstance struct {
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2014-02-21 18:10:09 -05:00
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Debug bool
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instanceName string
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}
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2014-08-20 13:20:28 -04:00
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func (config *Config) getImage() (Image) {
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project := config.ProjectId
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if config.SourceImageProjectId != "" {
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project = config.SourceImageProjectId
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}
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return Image{Name: config.SourceImage, ProjectId: project}
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}
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2013-12-08 17:37:36 -05:00
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// Run executes the Packer build step that creates a GCE instance.
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func (s *StepCreateInstance) Run(state multistep.StateBag) multistep.StepAction {
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config := state.Get("config").(*Config)
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driver := state.Get("driver").(Driver)
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sshPublicKey := state.Get("ssh_public_key").(string)
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ui := state.Get("ui").(packer.Ui)
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2013-12-08 17:37:36 -05:00
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ui.Say("Creating instance...")
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2014-04-25 22:14:53 -04:00
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name := config.InstanceName
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errCh, err := driver.RunInstance(&InstanceConfig{
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Description: "New instance created by Packer",
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DiskSizeGb: config.DiskSizeGb,
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Image: config.getImage(),
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MachineType: config.MachineType,
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Metadata: map[string]string{
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"sshKeys": fmt.Sprintf("%s:%s", config.SSHUsername, sshPublicKey),
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},
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Name: name,
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Network: config.Network,
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Tags: config.Tags,
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Zone: config.Zone,
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})
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2013-12-13 00:38:34 -05:00
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if err == nil {
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2013-12-13 01:23:00 -05:00
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ui.Message("Waiting for creation operation to complete...")
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select {
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case err = <-errCh:
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case <-time.After(config.stateTimeout):
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err = errors.New("time out while waiting for instance to create")
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}
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}
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if err != nil {
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err := fmt.Errorf("Error creating instance: %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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ui.Message("Instance has been created!")
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2014-01-31 11:55:58 -05:00
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if s.Debug {
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if name != "" {
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ui.Message(fmt.Sprintf("Instance: %s started in %s", name, config.Zone))
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}
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}
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2014-01-31 07:33:23 -05:00
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2013-12-13 00:38:34 -05:00
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// Things succeeded, store the name so we can remove it later
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state.Put("instance_name", name)
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s.instanceName = name
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return multistep.ActionContinue
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}
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// Cleanup destroys the GCE instance created during the image creation process.
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func (s *StepCreateInstance) Cleanup(state multistep.StateBag) {
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if s.instanceName == "" {
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return
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}
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2013-12-13 01:34:47 -05:00
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config := state.Get("config").(*Config)
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driver := state.Get("driver").(Driver)
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ui := state.Get("ui").(packer.Ui)
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ui.Say("Deleting instance...")
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errCh, err := driver.DeleteInstance(config.Zone, s.instanceName)
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if err == nil {
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select {
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case err = <-errCh:
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case <-time.After(config.stateTimeout):
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err = errors.New("time out while waiting for instance to delete")
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}
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}
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if err != nil {
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ui.Error(fmt.Sprintf(
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"Error deleting instance. Please delete it manually.\n\n"+
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"Name: %s\n"+
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"Error: %s", s.instanceName, err))
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}
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s.instanceName = ""
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2013-12-08 17:37:36 -05:00
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return
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}
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