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|
package googlecomputeexport
import (
"fmt"
"strings"
"github.com/hashicorp/packer/builder/googlecompute"
"github.com/hashicorp/packer/common"
"github.com/hashicorp/packer/helper/config"
"github.com/hashicorp/packer/helper/multistep"
"github.com/hashicorp/packer/packer"
"github.com/hashicorp/packer/template/interpolate"
)
type Config struct {
common.PackerConfig `mapstructure:",squash"`
Paths []string `mapstructure:"paths"`
KeepOriginalImage bool `mapstructure:"keep_input_artifact"`
ctx interpolate.Context
}
type PostProcessor struct {
config Config
runner multistep.Runner
}
func (p *PostProcessor) Configure(raws ...interface{}) error {
err := config.Decode(&p.config, &config.DecodeOpts{
Interpolate: true,
InterpolateContext: &p.config.ctx,
}, raws...)
if err != nil {
return err
}
return nil
}
func (p *PostProcessor) PostProcess(ui packer.Ui, artifact packer.Artifact) (packer.Artifact, bool, error) {
ui.Say("Starting googlecompute-export...")
ui.Say(fmt.Sprintf("Exporting image to destinations: %v", p.config.Paths))
if artifact.BuilderId() != googlecompute.BuilderId {
err := fmt.Errorf(
"Unknown artifact type: %s\nCan only export from Google Compute Engine builder artifacts.",
artifact.BuilderId())
return nil, p.config.KeepOriginalImage, err
}
result := &Artifact{paths: p.config.Paths}
if len(p.config.Paths) > 0 {
accountKeyFilePath := artifact.State("AccountFilePath").(string)
imageName := artifact.State("ImageName").(string)
imageSizeGb := artifact.State("ImageSizeGb").(int64)
projectId := artifact.State("ProjectId").(string)
zone := artifact.State("BuildZone").(string)
// Set up instance configuration.
instanceName := fmt.Sprintf("%s-exporter", artifact.Id())
metadata := map[string]string{
"image_name": imageName,
"name": instanceName,
"paths": strings.Join(p.config.Paths, " "),
"startup-script": StartupScript,
"zone": zone,
}
exporterConfig := googlecompute.Config{
InstanceName: instanceName,
SourceImageProjectId: "debian-cloud",
SourceImage: "debian-8-jessie-v20160629",
DiskName: instanceName,
DiskSizeGb: imageSizeGb + 10,
DiskType: "pd-standard",
Metadata: metadata,
MachineType: "n1-standard-4",
Zone: zone,
Network: "default",
RawStateTimeout: "5m",
Scopes: []string{
"https://www.googleapis.com/auth/userinfo.email",
"https://www.googleapis.com/auth/compute",
"https://www.googleapis.com/auth/devstorage.full_control",
},
}
exporterConfig.CalcTimeout()
// Set up credentials and GCE driver.
if accountKeyFilePath != "" {
err := googlecompute.ProcessAccountFile(&exporterConfig.Account, accountKeyFilePath)
if err != nil {
return nil, p.config.KeepOriginalImage, err
}
}
driver, err := googlecompute.NewDriverGCE(ui, projectId, &exporterConfig.Account)
if err != nil {
return nil, p.config.KeepOriginalImage, err
}
// Set up the state.
state := new(multistep.BasicStateBag)
state.Put("config", &exporterConfig)
state.Put("driver", driver)
state.Put("ui", ui)
// Build the steps.
steps := []multistep.Step{
&googlecompute.StepCreateSSHKey{
Debug: p.config.PackerDebug,
DebugKeyPath: fmt.Sprintf("gce_%s.pem", p.config.PackerBuildName),
},
&googlecompute.StepCreateInstance{
Debug: p.config.PackerDebug,
},
new(googlecompute.StepWaitStartupScript),
new(googlecompute.StepTeardownInstance),
}
// Run the steps.
p.runner = common.NewRunner(steps, p.config.PackerConfig, ui)
p.runner.Run(state)
}
return result, p.config.KeepOriginalImage, nil
}
|
