// InstanceStateRefreshFunc returns a resource.StateRefreshFunc that is used to watch
// an EC2 instance.
func detachIGStateRefreshFunc(conn *ec2.EC2, gatewayID, vpcID string) resource.StateRefreshFunc {
return func() (interface{}, string, error) {
_, err := conn.DetachInternetGateway(&ec2.DetachInternetGatewayInput{
InternetGatewayId: aws.String(gatewayID),
VpcId: aws.String(vpcID),
})
if err != nil {
if ec2err, ok := err.(awserr.Error); ok {
switch ec2err.Code() {
case "InvalidInternetGatewayID.NotFound":
log.Printf("[TRACE] Error detaching Internet Gateway '%s' from VPC '%s': %s", gatewayID, vpcID, err)
return nil, "Not Found", nil
case "Gateway.NotAttached":
return "detached", "detached", nil
case "DependencyViolation":
return nil, "detaching", nil
}
}
}
// DetachInternetGateway only returns an error, so if it's nil, assume we're
// detached
return "detached", "detached", nil
}
}
// InstanceStateRefreshFunc returns a resource.StateRefreshFunc that is used to watch
// an EC2 instance.
func detachIGStateRefreshFunc(conn *ec2.EC2, instanceID, vpcID string) resource.StateRefreshFunc {
return func() (interface{}, string, error) {
_, err := conn.DetachInternetGateway(&ec2.DetachInternetGatewayInput{
InternetGatewayId: aws.String(instanceID),
VpcId: aws.String(vpcID),
})
if err != nil {
ec2err, ok := err.(awserr.Error)
if ok {
if ec2err.Code() == "InvalidInternetGatewayID.NotFound" {
return nil, "Not Found", err
} else if ec2err.Code() == "Gateway.NotAttached" {
return "detached", "detached", nil
} else if ec2err.Code() == "DependencyViolation" {
return nil, "detaching", nil
}
}
}
// DetachInternetGateway only returns an error, so if it's nil, assume we're
// detached
return "detached", "detached", nil
}
}