func getDefaultNetworkAcl(vpc_id string, ec2conn *ec2.EC2) (defaultAcl *ec2.NetworkACL, err error) {
resp, err := ec2conn.DescribeNetworkACLs(&ec2.DescribeNetworkACLsRequest{
NetworkACLIDs: []string{},
Filters: []ec2.Filter{
ec2.Filter{
Name: aws.String("default"),
Values: []string{"true"},
},
ec2.Filter{
Name: aws.String("vpc-id"),
Values: []string{vpc_id},
},
},
})
if err != nil {
return nil, err
}
return &resp.NetworkACLs[0], nil
}
func findNetworkAclAssociation(subnetId string, ec2conn *ec2.EC2) (networkAclAssociation *ec2.NetworkACLAssociation, err error) {
resp, err := ec2conn.DescribeNetworkACLs(&ec2.DescribeNetworkACLsRequest{
NetworkACLIDs: []string{},
Filters: []ec2.Filter{
ec2.Filter{
Name: aws.String("association.subnet-id"),
Values: []string{subnetId},
},
},
})
if err != nil {
return nil, err
}
for _, association := range resp.NetworkACLs[0].Associations {
if *association.SubnetID == subnetId {
return &association, nil
}
}
return nil, fmt.Errorf("could not find association for subnet %s ", subnetId)
}
