Fixed update of ingress/egress rules

This commit is contained in:
Sneha Somwanshi 2014-12-03 13:23:18 +05:30
parent c79e6ba08b
commit 4b154b8fe7
2 changed files with 269 additions and 74 deletions

View File

@ -23,15 +23,15 @@ func resourceAwsNetworkAcl() *schema.Resource {
Schema: map[string]*schema.Schema{
"vpc_id": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Required: true,
ForceNew: true,
Computed: true,
Computed: false,
},
"subnet_id": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: true,
Computed: true,
Computed: false,
},
"ingress": &schema.Schema{
Type: schema.TypeSet,
@ -179,17 +179,19 @@ 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)
if d.HasChange("subnet_id") {
//associate new subnet with the acl.
_, n := d.GetChange("subnet_id")
newSubnet := n.(string)
association, err := findNetworkAclAssociation(newSubnet, ec2conn)
if err != nil {
return fmt.Errorf("Failed to update acl %s with subnet %s: ", d.Id(), newSubnet, 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)
@ -199,8 +201,6 @@ func resourceAwsNetworkAclUpdate(d *schema.ResourceData, meta interface{}) error
func updateNetworkAclEntries(d *schema.ResourceData, entryType string, ec2conn *ec2.EC2) error {
o, n := d.GetChange(entryType)
fmt.Printf("Old : %s", o)
fmt.Printf("New : %s", n)
if o == nil {
o = new(schema.Set)
@ -211,10 +211,8 @@ func updateNetworkAclEntries(d *schema.ResourceData, entryType string, ec2conn *
os := o.(*schema.Set)
ns := n.(*schema.Set)
toBeDeleted := expandNetworkAclEntries(os.Difference(ns).List(), entryType)
toBeCreated := expandNetworkAclEntries(ns.Difference(os).List(), entryType)
fmt.Printf("to be created %s", toBeCreated)
for _, remove := range toBeDeleted {
// Delete old Acl
_, err := ec2conn.DeleteNetworkAclEntry(d.Id(), remove.RuleNumber, remove.Egress)
@ -222,12 +220,10 @@ func updateNetworkAclEntries(d *schema.ResourceData, entryType string, ec2conn *
return fmt.Errorf("Error deleting %s entry: %s", entryType, err)
}
}
fmt.Printf("to be deleted %s", toBeDeleted)
for _, add := range toBeCreated {
// Add new Acl entry
_, err := ec2conn.CreateNetworkAclEntry(d.Id(), &add)
fmt.Printf("$$$$#### %s", err)
if err != nil {
return fmt.Errorf("Error creating %s entry: %s", entryType, err)
}
@ -242,7 +238,6 @@ func resourceAwsNetworkAclDelete(d *schema.ResourceData, meta interface{}) error
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
@ -250,20 +245,21 @@ func resourceAwsNetworkAclDelete(d *schema.ResourceData, meta interface{}) error
// 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)
if err != nil {
return fmt.Errorf("Depedency voilation: Can not delete acl: %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)
if err != nil {
return fmt.Errorf("Depedency voilation: Can not delete acl %s", d.Id(), err)
}
_, err = ec2conn.ReplaceNetworkAclAssociation(association.NetworkAclAssociationId, defaultAcl.NetworkAclId)
return err
return resource.RetryError{err}
default:
// Any other error, we want to quit the retry loop immediately
return resource.RetryError{err}
}
}
log.Printf("[Info] Deleted network ACL %s successfully", d.Id())
return nil
})
}
@ -285,11 +281,10 @@ func resourceAwsNetworkAclEntryHash(v interface{}) int {
return hashcode.String(buf.String())
}
func getDefaultNetworkAcl(vpc_id string, ec2conn *ec2.EC2)(defaultAcl *ec2.NetworkAcl, err error){
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 )
filter.Add("default", "true")
filter.Add("vpc-id", vpc_id)
resp, err := ec2conn.NetworkAcls([]string{}, filter)
@ -297,16 +292,21 @@ func getDefaultNetworkAcl(vpc_id string, ec2conn *ec2.EC2)(defaultAcl *ec2.Netwo
return nil, err
}
return &resp.NetworkAcls[0], nil
}
}
func findNetworkAclAssociation(subnet_id string,ec2conn *ec2.EC2)(networkAclAssociation *ec2.NetworkAclAssociation, err error){
func findNetworkAclAssociation(subnetId string, ec2conn *ec2.EC2) (networkAclAssociation *ec2.NetworkAclAssociation, err error) {
filter := ec2.NewFilter()
filter.Add("association.subnet-id", subnet_id )
filter.Add("association.subnet-id", subnetId)
resp, err := ec2conn.NetworkAcls([]string{}, filter)
if err != nil {
return nil, err
}
return &resp.NetworkAcls[0].AssociationSet[0], nil
for _, association := range resp.NetworkAcls[0].AssociationSet {
if association.SubnetId == subnetId {
return &association, nil
}
}
return nil, fmt.Errorf("could not find association for subnet %s ", subnetId)
}

View File

@ -55,7 +55,6 @@ func TestAccAWSNetworkAclsWithEgressAndIngressRules(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) },
@ -66,7 +65,114 @@ func TestAccAWSNetworkAclsOnlyIngressRules(t *testing.T) {
Config: testAccAWSNetworkAclIngressConfig,
Check: resource.ComposeTestCheckFunc(
testAccCheckAWSNetworkAclExists("aws_network_acl.foos", &networkAcl),
testAccCheckSubnetAssociation("aws_network_acl.foos", "aws_subnet.blob"),
// testAccCheckSubnetAssociation("aws_network_acl.foos", "aws_subnet.blob"),
resource.TestCheckResourceAttr(
"aws_network_acl.foos", "ingress.0.protocol", "tcp"),
resource.TestCheckResourceAttr(
"aws_network_acl.foos", "ingress.0.rule_no", "2"),
resource.TestCheckResourceAttr(
"aws_network_acl.foos", "ingress.0.from_port", "0"),
resource.TestCheckResourceAttr(
"aws_network_acl.foos", "ingress.0.to_port", "22"),
resource.TestCheckResourceAttr(
"aws_network_acl.foos", "ingress.0.action", "deny"),
resource.TestCheckResourceAttr(
"aws_network_acl.foos", "ingress.0.cidr_block", "10.2.2.3/18"),
),
},
},
})
}
const testAccAWSNetworkAclIngressConfig = `
resource "aws_vpc" "foo" {
cidr_block = "10.1.0.0/16"
}
resource "aws_subnet" "blob" {
cidr_block = "10.1.1.0/24"
vpc_id = "${aws_vpc.foo.id}"
map_public_ip_on_launch = true
}
resource "aws_network_acl" "foos" {
vpc_id = "${aws_vpc.foo.id}"
ingress = {
protocol = "tcp"
rule_no = 1
action = "deny"
cidr_block = "10.2.2.3/18"
from_port = 0
to_port = 22
}
ingress = {
protocol = "tcp"
rule_no = 2
action = "deny"
cidr_block = "10.2.2.3/18"
from_port = 443
to_port = 443
}
subnet_id = "${aws_subnet.blob.id}"
}
`
const testAccAWSNetworkAclIngressConfigChange = `
resource "aws_vpc" "foo" {
cidr_block = "10.1.0.0/16"
}
resource "aws_subnet" "blob" {
cidr_block = "10.1.1.0/24"
vpc_id = "${aws_vpc.foo.id}"
map_public_ip_on_launch = true
}
resource "aws_network_acl" "foos" {
vpc_id = "${aws_vpc.foo.id}"
ingress = {
protocol = "tcp"
rule_no = 1
action = "deny"
cidr_block = "10.2.2.3/18"
from_port = 0
to_port = 22
}
subnet_id = "${aws_subnet.blob.id}"
}
`
func TestAccAWSNetworkAclsOnlyIngressRulesChange(t *testing.T) {
var networkAcl ec2.NetworkAcl
resource.Test(t, resource.TestCase{
PreCheck: func() { testAccPreCheck(t) },
Providers: testAccProviders,
CheckDestroy: testAccCheckAWSNetworkAclDestroy,
Steps: []resource.TestStep{
resource.TestStep{
Config: testAccAWSNetworkAclIngressConfig,
Check: resource.ComposeTestCheckFunc(
testAccCheckAWSNetworkAclExists("aws_network_acl.foos", &networkAcl),
testIngressRuleLength(&networkAcl, 2),
resource.TestCheckResourceAttr(
"aws_network_acl.foos", "ingress.0.protocol", "tcp"),
resource.TestCheckResourceAttr(
"aws_network_acl.foos", "ingress.0.rule_no", "1"),
resource.TestCheckResourceAttr(
"aws_network_acl.foos", "ingress.0.from_port", "0"),
resource.TestCheckResourceAttr(
"aws_network_acl.foos", "ingress.0.to_port", "22"),
resource.TestCheckResourceAttr(
"aws_network_acl.foos", "ingress.0.action", "deny"),
resource.TestCheckResourceAttr(
"aws_network_acl.foos", "ingress.0.cidr_block", "10.2.2.3/18"),
resource.TestCheckResourceAttr(
"aws_network_acl.foos", "ingress.1.from_port", "443"),
resource.TestCheckResourceAttr(
"aws_network_acl.foos", "ingress.1.rule_no", "2"),
),
},
resource.TestStep{
Config: testAccAWSNetworkAclIngressConfigChange,
Check: resource.ComposeTestCheckFunc(
testAccCheckAWSNetworkAclExists("aws_network_acl.foos", &networkAcl),
testIngressRuleLength(&networkAcl, 1),
resource.TestCheckResourceAttr(
"aws_network_acl.foos", "ingress.0.protocol", "tcp"),
resource.TestCheckResourceAttr(
@ -103,6 +209,33 @@ func TestAccAWSNetworkAclsOnlyEgressRules(t *testing.T) {
})
}
func TestAccNetworkAcl_SubnetChange(t *testing.T) {
resource.Test(t, resource.TestCase{
PreCheck: func() { testAccPreCheck(t) },
Providers: testAccProviders,
CheckDestroy: testAccCheckAWSNetworkAclDestroy,
Steps: []resource.TestStep{
resource.TestStep{
Config: testAccAWSNetworkAclSubnetConfig,
Check: resource.ComposeTestCheckFunc(
testAccCheckSubnetIsAssociatedWithAcl("aws_network_acl.bar", "aws_subnet.old"),
),
},
resource.TestStep{
Config: testAccAWSNetworkAclSubnetConfigChange,
Check: resource.ComposeTestCheckFunc(
testAccCheckSubnetIsNotAssociatedWithAcl("aws_network_acl.bar", "aws_subnet.old"),
testAccCheckSubnetIsAssociatedWithAcl("aws_network_acl.bar", "aws_subnet.new"),
),
},
},
})
}
func testAccCheckAWSNetworkAclDestroy(s *terraform.State) error {
conn := testAccProvider.Meta().(*AWSClient).ec2conn
@ -160,7 +293,47 @@ func testAccCheckAWSNetworkAclExists(n string, networkAcl *ec2.NetworkAcl) resou
}
}
func testAccCheckSubnetAssociation(acl string, subnet string) resource.TestCheckFunc {
func testIngressRuleLength(networkAcl *ec2.NetworkAcl, length int) resource.TestCheckFunc {
return func(s *terraform.State) error{
var ingressEntries []ec2.NetworkAclEntry
for _, e := range networkAcl.EntrySet {
if e.Egress == false {
ingressEntries = append(ingressEntries, e)
}
}
if len(ingressEntries) != length {
return fmt.Errorf("Invalid number of ingress entries found; count = %s", len(ingressEntries))
}
return nil
}
}
func testAccCheckSubnetIsAssociatedWithAcl(acl string, sub string) resource.TestCheckFunc {
return func(s *terraform.State) error {
networkAcl := s.RootModule().Resources[acl]
subnet := s.RootModule().Resources[sub]
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 {
return nil
}
r, _ := conn.NetworkAcls([]string{}, ec2.NewFilter())
fmt.Printf("\n\nall acls\n %s\n\n", r.NetworkAcls)
conn.NetworkAcls([]string{}, filter)
return fmt.Errorf("Network Acl %s is not associated with subnet %s", acl, sub)
}
}
func testAccCheckSubnetIsNotAssociatedWithAcl(acl string, subnet string) resource.TestCheckFunc {
return func(s *terraform.State) error {
networkAcl := s.RootModule().Resources[acl]
subnet := s.RootModule().Resources[subnet]
@ -173,35 +346,14 @@ func testAccCheckSubnetAssociation(acl string, subnet string) resource.TestCheck
if err != nil {
return err
}
if len(resp.NetworkAcls) > 0 && resp.NetworkAcls[0].NetworkAclId == networkAcl.Primary.ID {
return nil
if len(resp.NetworkAcls) > 0 {
return fmt.Errorf("Network Acl %s is still associated with subnet %s", acl, subnet)
}
return fmt.Errorf("Network Acl %s is not associated with subnet %s", acl, subnet)
return nil
}
}
const testAccAWSNetworkAclIngressConfig = `
resource "aws_vpc" "foo" {
cidr_block = "10.1.0.0/16"
}
resource "aws_subnet" "blob" {
cidr_block = "10.1.1.0/24"
vpc_id = "${aws_vpc.foo.id}"
map_public_ip_on_launch = true
}
resource "aws_network_acl" "foos" {
vpc_id = "${aws_vpc.foo.id}"
ingress = {
protocol = "tcp"
rule_no = 2
action = "deny"
cidr_block = "10.2.2.3/18"
from_port = 0
to_port = 22
}
subnet_id = "${aws_subnet.blob.id}"
}
`
const testAccAWSNetworkAclEgressConfig = `
resource "aws_vpc" "foo" {
@ -273,3 +425,46 @@ resource "aws_network_acl" "bar" {
}
}
`
const testAccAWSNetworkAclSubnetConfig = `
resource "aws_vpc" "foo" {
cidr_block = "10.1.0.0/16"
}
resource "aws_subnet" "old" {
cidr_block = "10.1.111.0/24"
vpc_id = "${aws_vpc.foo.id}"
map_public_ip_on_launch = true
}
resource "aws_subnet" "new" {
cidr_block = "10.1.1.0/24"
vpc_id = "${aws_vpc.foo.id}"
map_public_ip_on_launch = true
}
resource "aws_network_acl" "roll" {
vpc_id = "${aws_vpc.foo.id}"
subnet_id = "${aws_subnet.new.id}"
}
resource "aws_network_acl" "bar" {
vpc_id = "${aws_vpc.foo.id}"
subnet_id = "${aws_subnet.old.id}"
}
`
const testAccAWSNetworkAclSubnetConfigChange = `
resource "aws_vpc" "foo" {
cidr_block = "10.1.0.0/16"
}
resource "aws_subnet" "old" {
cidr_block = "10.1.111.0/24"
vpc_id = "${aws_vpc.foo.id}"
map_public_ip_on_launch = true
}
resource "aws_subnet" "new" {
cidr_block = "10.1.1.0/24"
vpc_id = "${aws_vpc.foo.id}"
map_public_ip_on_launch = true
}
resource "aws_network_acl" "bar" {
vpc_id = "${aws_vpc.foo.id}"
subnet_id = "${aws_subnet.new.id}"
}
`