handled subnet and network acl association

This commit is contained in:
Sneha Somwanshi 2014-12-03 13:04:28 +05:30
parent cd0f9761da
commit c79e6ba08b
3 changed files with 102 additions and 24 deletions

View File

@ -7,7 +7,7 @@ import (
"github.com/mitchellh/goamz/ec2"
)
func Test_expandNetworkAclEntryJoJo(t *testing.T) {
func Test_expandNetworkAclEntry(t *testing.T) {
input := []interface{}{
map[string]interface{}{
"protocol": "tcp",
@ -64,7 +64,7 @@ func Test_expandNetworkAclEntryJoJo(t *testing.T) {
}
func Test_flattenNetworkAclEntryJoJo(t *testing.T) {
func Test_flattenNetworkAclEntry(t *testing.T) {
apiInput := []ec2.NetworkAclEntry{
ec2.NetworkAclEntry{

View File

@ -4,8 +4,10 @@ import (
"bytes"
"fmt"
"log"
"time"
"github.com/hashicorp/terraform/helper/hashcode"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/helper/schema"
"github.com/mitchellh/goamz/ec2"
)
@ -111,6 +113,7 @@ func resourceAwsNetworkAclCreate(d *schema.ResourceData, meta interface{}) error
createOpts := &ec2.CreateNetworkAcl{
VpcId: d.Get("vpc_id").(string),
}
log.Printf("[DEBUG] Network Acl create config: %#v", createOpts)
resp, err := ec2conn.CreateNetworkAcl(createOpts)
if err != nil {
@ -122,8 +125,7 @@ func resourceAwsNetworkAclCreate(d *schema.ResourceData, meta interface{}) error
d.SetId(networkAcl.NetworkAclId)
log.Printf("[INFO] Network Acl ID: %s", networkAcl.NetworkAclId)
// Update our attributes and return
// return nil
// Update rules and subnet association once acl is created
return resourceAwsNetworkAclUpdate(d, meta)
}
@ -143,8 +145,7 @@ func resourceAwsNetworkAclRead(d *schema.ResourceData, meta interface{}) error {
var ingressEntries []ec2.NetworkAclEntry
var egressEntries []ec2.NetworkAclEntry
d.Set("vpc_id", networkAcl.VpcId)
// separate the ingress and egress rules
for _, e := range networkAcl.EntrySet {
if e.Egress == true {
egressEntries = append(egressEntries, e)
@ -152,9 +153,8 @@ func resourceAwsNetworkAclRead(d *schema.ResourceData, meta interface{}) error {
ingressEntries = append(ingressEntries, e)
}
}
fmt.Printf("appending ingress entries %s", ingressEntries)
fmt.Printf("appending egress entries %s", egressEntries)
d.Set("vpc_id", networkAcl.VpcId)
d.Set("ingress", ingressEntries)
d.Set("egress", egressEntries)
@ -179,16 +179,28 @@ func resourceAwsNetworkAclUpdate(d *schema.ResourceData, meta interface{}) error
}
}
if(d.HasChange("subnet_id")) {
association, err := findNetworkAclAssociation(d.Get("subnet_id").(string), ec2conn)
if(err != nil){
return fmt.Errorf("Depedency voilation: Could find association: %s", d.Id(), err)
}
// change acl and subnet association if subnet_id has changed
_, err = ec2conn.ReplaceNetworkAclAssociation(association.NetworkAclAssociationId, d.Id())
if err != nil {
return err
}
}
d.Partial(false)
return resourceAwsNetworkAclRead(d, meta)
}
func updateNetworkAclEntries(d *schema.ResourceData, entryType string, ec2conn *ec2.EC2) error {
o, n := d.GetChange(entryType)
fmt.Printf("Old : %s", o)
fmt.Printf("Old : %s", n)
fmt.Printf("New : %s", n)
if o == nil {
o = new(schema.Set)
@ -204,7 +216,7 @@ func updateNetworkAclEntries(d *schema.ResourceData, entryType string, ec2conn *
toBeCreated := expandNetworkAclEntries(ns.Difference(os).List(), entryType)
fmt.Printf("to be created %s", toBeCreated)
for _, remove := range toBeDeleted {
// Revoke the old entry
// Delete old Acl
_, err := ec2conn.DeleteNetworkAclEntry(d.Id(), remove.RuleNumber, remove.Egress)
if err != nil {
return fmt.Errorf("Error deleting %s entry: %s", entryType, err)
@ -213,7 +225,7 @@ func updateNetworkAclEntries(d *schema.ResourceData, entryType string, ec2conn *
fmt.Printf("to be deleted %s", toBeDeleted)
for _, add := range toBeCreated {
// Authorize the new entry
// Add new Acl entry
_, err := ec2conn.CreateNetworkAclEntry(d.Id(), &add)
fmt.Printf("$$$$#### %s", err)
if err != nil {
@ -227,16 +239,33 @@ func resourceAwsNetworkAclDelete(d *schema.ResourceData, meta interface{}) error
ec2conn := meta.(*AWSClient).ec2conn
log.Printf("[INFO] Deleting Network Acl: %s", d.Id())
if _, err := ec2conn.DeleteNetworkAcl(d.Id()); err != nil {
ec2err, ok := err.(*ec2.Error)
if ok && ec2err.Code == "InvalidNetworkAclID.NotFound" {
return nil
return resource.Retry(5*time.Minute, func() error {
if _, err := ec2conn.DeleteNetworkAcl(d.Id()); err != nil {
ec2err := err.(*ec2.Error)
fmt.Printf("\n\n error code: %s \n", ec2err.Code)
switch ec2err.Code {
case "InvalidNetworkAclID.NotFound":
return nil
case "DependencyViolation":
// In case of dependency violation, we remove the association between subnet and network acl.
// This means the subnet is attached to default acl of vpc.
association, err := findNetworkAclAssociation(d.Get("subnet_id").(string), ec2conn)
if(err != nil){
return fmt.Errorf("Depedency voilation: Could find association: %s", d.Id(), err)
}
defaultAcl, err := getDefaultNetworkAcl(d.Get("vpc_id").(string), ec2conn)
if(err != nil){
return fmt.Errorf("Depedency voilation: Could not dissociate subnet from %s acl: %s", d.Id(), err)
}
_, err = ec2conn.ReplaceNetworkAclAssociation(association.NetworkAclAssociationId, defaultAcl.NetworkAclId)
return err
default:
// Any other error, we want to quit the retry loop immediately
return resource.RetryError{err}
}
}
return fmt.Errorf("Error deleting network acl: %s", err)
}
return nil
return nil
})
}
func resourceAwsNetworkAclEntryHash(v interface{}) int {
@ -255,3 +284,29 @@ func resourceAwsNetworkAclEntryHash(v interface{}) int {
return hashcode.String(buf.String())
}
func getDefaultNetworkAcl(vpc_id string, ec2conn *ec2.EC2)(defaultAcl *ec2.NetworkAcl, err error){
filter := ec2.NewFilter()
filter.Add("default", "true" )
filter.Add("vpc-id", vpc_id )
resp, err := ec2conn.NetworkAcls([]string{}, filter)
if err != nil {
return nil, err
}
return &resp.NetworkAcls[0], nil
}
func findNetworkAclAssociation(subnet_id string,ec2conn *ec2.EC2)(networkAclAssociation *ec2.NetworkAclAssociation, err error){
filter := ec2.NewFilter()
filter.Add("association.subnet-id", subnet_id )
resp, err := ec2conn.NetworkAcls([]string{}, filter)
if err != nil {
return nil, err
}
return &resp.NetworkAcls[0].AssociationSet[0], nil
}

View File

@ -11,7 +11,7 @@ import (
// "github.com/hashicorp/terraform/helper/schema"
)
func TestAccAWSNetworkAclsWithEgressAndIngressRulesSneha(t *testing.T) {
func TestAccAWSNetworkAclsWithEgressAndIngressRules(t *testing.T) {
var networkAcl ec2.NetworkAcl
resource.Test(t, resource.TestCase{
@ -53,8 +53,9 @@ func TestAccAWSNetworkAclsWithEgressAndIngressRulesSneha(t *testing.T) {
})
}
func TestAccAWSNetworkAclsOnlyIngressRulesSneha(t *testing.T) {
func TestAccAWSNetworkAclsOnlyIngressRules(t *testing.T) {
var networkAcl ec2.NetworkAcl
// var subnet ec2.Subnet
resource.Test(t, resource.TestCase{
PreCheck: func() { testAccPreCheck(t) },
@ -65,6 +66,7 @@ func TestAccAWSNetworkAclsOnlyIngressRulesSneha(t *testing.T) {
Config: testAccAWSNetworkAclIngressConfig,
Check: resource.ComposeTestCheckFunc(
testAccCheckAWSNetworkAclExists("aws_network_acl.foos", &networkAcl),
testAccCheckSubnetAssociation("aws_network_acl.foos", "aws_subnet.blob"),
resource.TestCheckResourceAttr(
"aws_network_acl.foos", "ingress.0.protocol", "tcp"),
resource.TestCheckResourceAttr(
@ -83,7 +85,7 @@ func TestAccAWSNetworkAclsOnlyIngressRulesSneha(t *testing.T) {
})
}
func TestAccAWSNetworkAclsOnlyEgressRulesSneha(t *testing.T) {
func TestAccAWSNetworkAclsOnlyEgressRules(t *testing.T) {
var networkAcl ec2.NetworkAcl
resource.Test(t, resource.TestCase{
@ -158,6 +160,26 @@ func testAccCheckAWSNetworkAclExists(n string, networkAcl *ec2.NetworkAcl) resou
}
}
func testAccCheckSubnetAssociation(acl string, subnet string) resource.TestCheckFunc {
return func(s *terraform.State) error {
networkAcl := s.RootModule().Resources[acl]
subnet := s.RootModule().Resources[subnet]
conn := testAccProvider.Meta().(*AWSClient).ec2conn
filter := ec2.NewFilter()
filter.Add("association.subnet-id", subnet.Primary.ID)
resp, err := conn.NetworkAcls([]string{networkAcl.Primary.ID}, filter)
if err != nil {
return err
}
if len(resp.NetworkAcls) > 0 && resp.NetworkAcls[0].NetworkAclId == networkAcl.Primary.ID {
return nil
}
return fmt.Errorf("Network Acl %s is not associated with subnet %s", acl, subnet)
}
}
const testAccAWSNetworkAclIngressConfig = `
resource "aws_vpc" "foo" {
cidr_block = "10.1.0.0/16"
@ -177,6 +199,7 @@ resource "aws_network_acl" "foos" {
from_port = 0
to_port = 22
}
subnet_id = "${aws_subnet.blob.id}"
}
`