100 lines
2.7 KiB
Go
100 lines
2.7 KiB
Go
package aws
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import (
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"log"
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"github.com/aws/aws-sdk-go/aws"
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"github.com/aws/aws-sdk-go/service/ec2"
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"github.com/hashicorp/terraform/helper/schema"
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)
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func resourceAwsVpcDhcpOptionsAssociation() *schema.Resource {
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return &schema.Resource{
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Create: resourceAwsVpcDhcpOptionsAssociationCreate,
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Read: resourceAwsVpcDhcpOptionsAssociationRead,
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Update: resourceAwsVpcDhcpOptionsAssociationUpdate,
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Delete: resourceAwsVpcDhcpOptionsAssociationDelete,
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Schema: map[string]*schema.Schema{
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"vpc_id": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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},
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"dhcp_options_id": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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},
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},
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}
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}
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func resourceAwsVpcDhcpOptionsAssociationCreate(d *schema.ResourceData, meta interface{}) error {
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conn := meta.(*AWSClient).ec2conn
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log.Printf(
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"[INFO] Creating DHCP Options association: %s => %s",
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d.Get("vpc_id").(string),
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d.Get("dhcp_options_id").(string))
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optsID := aws.String(d.Get("dhcp_options_id").(string))
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vpcID := aws.String(d.Get("vpc_id").(string))
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if _, err := conn.AssociateDhcpOptions(&ec2.AssociateDhcpOptionsInput{
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DhcpOptionsId: optsID,
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VpcId: vpcID,
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}); err != nil {
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return err
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}
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// Set the ID and return
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d.SetId(*optsID + "-" + *vpcID)
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log.Printf("[INFO] Association ID: %s", d.Id())
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return nil
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}
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func resourceAwsVpcDhcpOptionsAssociationRead(d *schema.ResourceData, meta interface{}) error {
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conn := meta.(*AWSClient).ec2conn
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// Get the VPC that this association belongs to
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vpcRaw, _, err := VPCStateRefreshFunc(conn, d.Get("vpc_id").(string))()
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if err != nil {
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return err
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}
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if vpcRaw == nil {
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return nil
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}
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vpc := vpcRaw.(*ec2.Vpc)
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if *vpc.VpcId != d.Get("vpc_id") || *vpc.DhcpOptionsId != d.Get("dhcp_options_id") {
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log.Printf("[INFO] It seems the DHCP Options association is gone. Deleting reference from Graph...")
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d.SetId("")
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}
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return nil
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}
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// DHCP Options Asociations cannot be updated.
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func resourceAwsVpcDhcpOptionsAssociationUpdate(d *schema.ResourceData, meta interface{}) error {
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return resourceAwsVpcDhcpOptionsAssociationCreate(d, meta)
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}
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// AWS does not provide an API to disassociate a DHCP Options set from a VPC.
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// So, we do this by setting the VPC to the default DHCP Options Set.
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func resourceAwsVpcDhcpOptionsAssociationDelete(d *schema.ResourceData, meta interface{}) error {
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conn := meta.(*AWSClient).ec2conn
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log.Printf("[INFO] Disassociating DHCP Options Set %s from VPC %s...", d.Get("dhcp_options_id"), d.Get("vpc_id"))
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if _, err := conn.AssociateDhcpOptions(&ec2.AssociateDhcpOptionsInput{
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DhcpOptionsId: aws.String("default"),
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VpcId: aws.String(d.Get("vpc_id").(string)),
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}); err != nil {
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return err
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}
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d.SetId("")
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return nil
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}
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