terraform/builtin/providers/aws/resource_aws_vpc.go

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2014-07-07 21:16:58 +02:00
package aws
import (
"fmt"
"log"
"time"
"github.com/hashicorp/terraform/helper/diff"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/terraform"
"github.com/mitchellh/goamz/ec2"
)
func resource_aws_vpc_create(
s *terraform.ResourceState,
d *terraform.ResourceDiff,
meta interface{}) (*terraform.ResourceState, error) {
p := meta.(*ResourceProvider)
ec2conn := p.ec2conn
// Merge the diff so that we have all the proper attributes
s = s.MergeDiff(d)
// Create the VPC
createOpts := &ec2.CreateVpc{
CidrBlock: s.Attributes["cidr_block"],
}
log.Printf("[DEBUG] VPC create config: %#v", createOpts)
vpcResp, err := ec2conn.CreateVpc(createOpts)
if err != nil {
return nil, fmt.Errorf("Error creating VPC: %s", err)
}
// Get the ID and store it
vpc := &vpcResp.VPC
log.Printf("[INFO] VPC ID: %s", vpc.VpcId)
s.ID = vpc.VpcId
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// Wait for the VPC to become available
log.Printf(
"[DEBUG] Waiting for VPC (%s) to become available",
s.ID)
stateConf := &resource.StateChangeConf{
Pending: []string{"pending"},
Target: "available",
Refresh: VPCStateRefreshFunc(ec2conn, s.ID),
Timeout: 10 * time.Minute,
}
vpcRaw, err := stateConf.WaitForState()
if err != nil {
return s, fmt.Errorf(
"Error waiting for VPC (%s) to become available: %s",
s.ID, err)
}
// Update our attributes and return
return resource_aws_vpc_update_state(s, vpcRaw.(*ec2.VPC))
}
func resource_aws_vpc_update(
s *terraform.ResourceState,
d *terraform.ResourceDiff,
meta interface{}) (*terraform.ResourceState, error) {
// This should never be called because we have no update-able
// attributes
panic("Update for VPC is not supported")
return nil, nil
}
func resource_aws_vpc_destroy(
s *terraform.ResourceState,
meta interface{}) error {
p := meta.(*ResourceProvider)
ec2conn := p.ec2conn
log.Printf("[INFO] Deleting VPC: %s", s.ID)
if _, err := ec2conn.DeleteVpc(s.ID); err != nil {
ec2err, ok := err.(*ec2.Error)
if ok && ec2err.Code == "InvalidVpcID.NotFound" {
return nil
}
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return fmt.Errorf("Error deleting ELB: %s", err)
}
return nil
}
func resource_aws_vpc_refresh(
s *terraform.ResourceState,
meta interface{}) (*terraform.ResourceState, error) {
p := meta.(*ResourceProvider)
ec2conn := p.ec2conn
vpcRaw, _, err := VPCStateRefreshFunc(ec2conn, s.ID)()
if err != nil {
return s, err
}
if vpcRaw == nil {
return nil, nil
}
vpc := vpcRaw.(*ec2.VPC)
return resource_aws_vpc_update_state(s, vpc)
}
func resource_aws_vpc_diff(
s *terraform.ResourceState,
c *terraform.ResourceConfig,
meta interface{}) (*terraform.ResourceDiff, error) {
b := &diff.ResourceBuilder{
Attrs: map[string]diff.AttrType{
"cidr_block": diff.AttrTypeCreate,
},
}
return b.Diff(s, c)
}
func resource_aws_vpc_update_state(
s *terraform.ResourceState,
vpc *ec2.VPC) (*terraform.ResourceState, error) {
s.Attributes["cidr_block"] = vpc.CidrBlock
return s, nil
}
// VPCStateRefreshFunc returns a resource.StateRefreshFunc that is used to watch
// a VPC.
func VPCStateRefreshFunc(conn *ec2.EC2, id string) resource.StateRefreshFunc {
return func() (interface{}, string, error) {
resp, err := conn.DescribeVpcs([]string{id}, ec2.NewFilter())
if err != nil {
if ec2err, ok := err.(*ec2.Error); ok && ec2err.Code == "InvalidVpcID.NotFound" {
resp = nil
} else {
log.Printf("Error on VPCStateRefresh: %s", err)
return nil, "", err
}
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}
if resp == nil {
// Sometimes AWS just has consistency issues and doesn't see
// our instance yet. Return an empty state.
return nil, "", nil
}
vpc := &resp.VPCs[0]
return vpc, vpc.State, nil
}
}