packer-cn/builder/amazonebs/builder.go

69 lines
1.6 KiB
Go

// The amazonebs package contains a packer.Builder implementation that
// builds AMIs for Amazon EC2.
//
// In general, there are two types of AMIs that can be created: ebs-backed or
// instance-store. This builder _only_ builds ebs-backed images.
package amazonebs
import (
"github.com/mitchellh/goamz/aws"
"github.com/mitchellh/goamz/ec2"
"github.com/mitchellh/mapstructure"
"github.com/mitchellh/packer/packer"
"log"
)
type config struct {
// Access information
AccessKey string `mapstructure:"access_key"`
SecretKey string `mapstructure:"secret_key"`
// Information for the source instance
Region string
SourceAmi string `mapstructure:"source_ami"`
InstanceType string `mapstructure:"instance_type"`
// Configuration of the resulting AMI
AMIName string `mapstructure:"ami_name"`
}
type Builder struct {
config config
}
func (b *Builder) Prepare(raw interface{}) (err error) {
err = mapstructure.Decode(raw, &b.config)
if err != nil {
return
}
log.Printf("Config: %+v", b.config)
// TODO: Validate the configuration
return
}
func (b *Builder) Run(ui packer.Ui, hook packer.Hook) {
auth := aws.Auth{b.config.AccessKey, b.config.SecretKey}
region := aws.Regions[b.config.Region]
ec2conn := ec2.New(auth, region)
// Setup the state bag and initial state for the steps
state := make(map[string]interface{})
state["config"] = b.config
state["ec2"] = ec2conn
state["hook"] = hook
state["ui"] = ui
// Build the steps
steps := []Step{
&stepKeyPair{},
&stepRunSourceInstance{},
&stepStopInstance{},
&stepCreateAMI{},
}
// Run!
RunSteps(state, steps)
}