packer-cn/builder/amazonebs/step_run_source_instance.go

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package amazonebs
import (
"github.com/mitchellh/goamz/ec2"
"github.com/mitchellh/packer/packer"
"log"
)
type stepRunSourceInstance struct {
instance *ec2.Instance
}
func (s *stepRunSourceInstance) Run(state map[string]interface{}) StepAction {
config := state["config"].(config)
ec2conn := state["ec2"].(*ec2.EC2)
keyName := state["keyPair"].(string)
ui := state["ui"].(packer.Ui)
runOpts := &ec2.RunInstances{
KeyName: keyName,
ImageId: config.SourceAmi,
InstanceType: config.InstanceType,
MinCount: 0,
MaxCount: 0,
}
ui.Say("Launching a source AWS instance...")
runResp, err := ec2conn.RunInstances(runOpts)
if err != nil {
ui.Error(err.Error())
return StepHalt
}
s.instance = &runResp.Instances[0]
log.Printf("instance id: %s", s.instance.InstanceId)
ui.Say("Waiting for instance to become ready...")
s.instance, err = waitForState(ec2conn, s.instance, "running")
if err != nil {
ui.Error(err.Error())
return StepHalt
}
state["instance"] = s.instance
return StepContinue
}
func (s *stepRunSourceInstance) Cleanup(state map[string]interface{}) {
if s.instance == nil {
return
}
ec2conn := state["ec2"].(*ec2.EC2)
ui := state["ui"].(packer.Ui)
// TODO(mitchellh): error handling
ui.Say("Terminating the source AWS instance...")
ec2conn.TerminateInstances([]string{s.instance.InstanceId})
}