packer-cn/builder/amazonebs/step_run_source_instance.go
Mark Peek 9d4d854fe1 Add AWS instance id to normal output
The AWS instance id is only output when logging is occurring. If an
error happens it is useful to know the AWS instance id of the instance
spun up by packer in case further cleanup or forensics are needed.
2013-07-11 20:27:44 +00:00

74 lines
2.1 KiB
Go

package amazonebs
import (
"fmt"
"github.com/mitchellh/goamz/ec2"
"github.com/mitchellh/multistep"
"github.com/mitchellh/packer/packer"
"log"
)
type stepRunSourceInstance struct {
instance *ec2.Instance
}
func (s *stepRunSourceInstance) Run(state map[string]interface{}) multistep.StepAction {
config := state["config"].(config)
ec2conn := state["ec2"].(*ec2.EC2)
keyName := state["keyPair"].(string)
securityGroupId := state["securityGroupId"].(string)
ui := state["ui"].(packer.Ui)
runOpts := &ec2.RunInstances{
KeyName: keyName,
ImageId: config.SourceAmi,
InstanceType: config.InstanceType,
MinCount: 0,
MaxCount: 0,
SecurityGroups: []ec2.SecurityGroup{ec2.SecurityGroup{Id: securityGroupId}},
}
ui.Say("Launching a source AWS instance...")
runResp, err := ec2conn.RunInstances(runOpts)
if err != nil {
err := fmt.Errorf("Error launching source instance: %s", err)
state["error"] = err
ui.Error(err.Error())
return multistep.ActionHalt
}
s.instance = &runResp.Instances[0]
log.Printf("instance id: %s", s.instance.InstanceId)
ui.Say(fmt.Sprintf("Waiting for instance (%s) to become ready...", s.instance.InstanceId))
s.instance, err = waitForState(ec2conn, s.instance, []string{"pending"}, "running")
if err != nil {
err := fmt.Errorf("Error waiting for instance (%s) to become ready: %s", s.instance.InstanceId, err)
state["error"] = err
ui.Error(err.Error())
return multistep.ActionHalt
}
state["instance"] = s.instance
return multistep.ActionContinue
}
func (s *stepRunSourceInstance) Cleanup(state map[string]interface{}) {
if s.instance == nil {
return
}
ec2conn := state["ec2"].(*ec2.EC2)
ui := state["ui"].(packer.Ui)
ui.Say("Terminating the source AWS instance...")
if _, err := ec2conn.TerminateInstances([]string{s.instance.InstanceId}); err != nil {
ui.Error(fmt.Sprintf("Error terminating instance, may still be around: %s", err))
return
}
pending := []string{"pending", "running", "shutting-down", "stopped", "stopping"}
waitForState(ec2conn, s.instance, pending, "terminated")
}