Exemplo n.º 1
0
// SSHAddress returns a function that can be given to the SSH communicator
// for determining the SSH address based on the instance DNS name.
func SSHAddress(e ec2.EC2, port int) func(multistep.StateBag) (string, error) {
	return func(state multistep.StateBag) (string, error) {
		for j := 0; j < 2; j++ {
			var host string
			i := state.Get("instance").(*ec2.Instance)
			if i.DNSName != "" {
				host = i.DNSName
			} else if i.VpcId != "" {
				host = i.PrivateIpAddress
			}

			if host != "" {
				return fmt.Sprintf("%s:%d", host, port), nil
			}

			r, err := e.Instances([]string{i.InstanceId}, ec2.NewFilter())
			if err != nil {
				return "", err
			}

			if len(r.Reservations) == 0 || len(r.Reservations[0].Instances) == 0 {
				return "", fmt.Errorf("instance not found: %s", i.InstanceId)
			}

			state.Put("instance", &r.Reservations[0].Instances[0])
			time.Sleep(1 * time.Second)
		}

		return "", errors.New("couldn't determine IP address for instance")
	}
}
Exemplo n.º 2
0
func terminateInstances(c *C, e *ec2.EC2, insts []*ec2.Instance) {
	var ids []string
	for _, inst := range insts {
		if inst != nil {
			ids = append(ids, inst.InstanceId)
		}
	}
	_, err := e.TerminateInstances(ids)
	c.Check(err, IsNil, Commentf("%d INSTANCES LEFT RUNNING!!!", len(ids)))
}
Exemplo n.º 3
0
// InstanceStateRefreshFunc returns a StateRefreshFunc that is used to watch
// an EC2 instance.
func InstanceStateRefreshFunc(conn ec2.EC2, i *ec2.Instance) StateRefreshFunc {
	return func() (interface{}, string, error) {
		resp, err := conn.Instances([]string{i.InstanceId}, ec2.NewFilter())
		if err != nil {
			if ec2err, ok := err.(*ec2.Error); ok && ec2err.Code == "InvalidInstanceID.NotFound" {
				// Set this to nil as if we didn't find anything.
				resp = nil
			} else {
				log.Printf("Error on InstanceStateRefresh: %s", err)
				return nil, "", err
			}
		}

		if resp == nil || len(resp.Reservations) == 0 || len(resp.Reservations[0].Instances) == 0 {
			// Sometimes AWS just has consistency issues and doesn't see
			// our instance yet. Return an empty state.
			return nil, "", nil
		}

		i = &resp.Reservations[0].Instances[0]
		return i, i.State.Name, nil
	}
}
Exemplo n.º 4
0
// AMIStateRefreshFunc returns a StateRefreshFunc that is used to watch
// an AMI for state changes.
func AMIStateRefreshFunc(conn ec2.EC2, imageId string) StateRefreshFunc {
	return func() (interface{}, string, error) {
		resp, err := conn.Images([]string{imageId}, ec2.NewFilter())
		if err != nil {
			if ec2err, ok := err.(*ec2.Error); ok && ec2err.Code == "InvalidAMIID.NotFound" {
				// Set this to nil as if we didn't find anything.
				resp = nil
			} else {
				log.Printf("Error on AMIStateRefresh: %s", err)
				return nil, "", err
			}
		}

		if resp == nil || len(resp.Images) == 0 {
			// Sometimes AWS has consistency issues and doesn't see the
			// AMI. Return an empty state.
			return nil, "", nil
		}

		i := resp.Images[0]
		return i, i.State, nil
	}
}