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resource_aws_waf_size_constraint_set.go
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resource_aws_waf_size_constraint_set.go
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package aws
import (
"log"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/service/waf"
"github.com/hashicorp/errwrap"
"github.com/hashicorp/terraform/helper/schema"
)
func resourceAwsWafSizeConstraintSet() *schema.Resource {
return &schema.Resource{
Create: resourceAwsWafSizeConstraintSetCreate,
Read: resourceAwsWafSizeConstraintSetRead,
Update: resourceAwsWafSizeConstraintSetUpdate,
Delete: resourceAwsWafSizeConstraintSetDelete,
Schema: map[string]*schema.Schema{
"name": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"size_constraints": &schema.Schema{
Type: schema.TypeSet,
Required: true,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"field_to_match": {
Type: schema.TypeSet,
Required: true,
MaxItems: 1,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"data": {
Type: schema.TypeString,
Optional: true,
},
"type": {
Type: schema.TypeString,
Required: true,
},
},
},
},
"comparison_operator": &schema.Schema{
Type: schema.TypeString,
Required: true,
},
"size": &schema.Schema{
Type: schema.TypeInt,
Required: true,
},
"text_transformation": &schema.Schema{
Type: schema.TypeString,
Required: true,
},
},
},
},
},
}
}
func resourceAwsWafSizeConstraintSetCreate(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).wafconn
log.Printf("[INFO] Creating SizeConstraintSet: %s", d.Get("name").(string))
// ChangeToken
var ct *waf.GetChangeTokenInput
res, err := conn.GetChangeToken(ct)
if err != nil {
return errwrap.Wrapf("[ERROR] Error getting change token: {{err}}", err)
}
params := &waf.CreateSizeConstraintSetInput{
ChangeToken: res.ChangeToken,
Name: aws.String(d.Get("name").(string)),
}
resp, err := conn.CreateSizeConstraintSet(params)
if err != nil {
return errwrap.Wrapf("[ERROR] Error creating SizeConstraintSet: {{err}}", err)
}
d.SetId(*resp.SizeConstraintSet.SizeConstraintSetId)
return resourceAwsWafSizeConstraintSetUpdate(d, meta)
}
func resourceAwsWafSizeConstraintSetRead(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).wafconn
log.Printf("[INFO] Reading SizeConstraintSet: %s", d.Get("name").(string))
params := &waf.GetSizeConstraintSetInput{
SizeConstraintSetId: aws.String(d.Id()),
}
resp, err := conn.GetSizeConstraintSet(params)
if err != nil {
if awsErr, ok := err.(awserr.Error); ok && awsErr.Code() == "WAFNonexistentItemException" {
log.Printf("[WARN] WAF IPSet (%s) not found, error code (404)", d.Id())
d.SetId("")
return nil
}
return err
}
d.Set("name", resp.SizeConstraintSet.Name)
return nil
}
func resourceAwsWafSizeConstraintSetUpdate(d *schema.ResourceData, meta interface{}) error {
log.Printf("[INFO] Updating SizeConstraintSet: %s", d.Get("name").(string))
err := updateSizeConstraintSetResource(d, meta, waf.ChangeActionInsert)
if err != nil {
return errwrap.Wrapf("[ERROR] Error updating SizeConstraintSet: {{err}}", err)
}
return resourceAwsWafSizeConstraintSetRead(d, meta)
}
func resourceAwsWafSizeConstraintSetDelete(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).wafconn
log.Printf("[INFO] Deleting SizeConstraintSet: %s", d.Get("name").(string))
err := updateSizeConstraintSetResource(d, meta, waf.ChangeActionDelete)
if err != nil {
return errwrap.Wrapf("[ERROR] Error deleting SizeConstraintSet: {{err}}", err)
}
var ct *waf.GetChangeTokenInput
resp, err := conn.GetChangeToken(ct)
req := &waf.DeleteSizeConstraintSetInput{
ChangeToken: resp.ChangeToken,
SizeConstraintSetId: aws.String(d.Id()),
}
_, err = conn.DeleteSizeConstraintSet(req)
if err != nil {
return errwrap.Wrapf("[ERROR] Error deleting SizeConstraintSet: {{err}}", err)
}
return nil
}
func updateSizeConstraintSetResource(d *schema.ResourceData, meta interface{}, ChangeAction string) error {
conn := meta.(*AWSClient).wafconn
var ct *waf.GetChangeTokenInput
resp, err := conn.GetChangeToken(ct)
if err != nil {
return errwrap.Wrapf("[ERROR] Error getting change token: {{err}}", err)
}
req := &waf.UpdateSizeConstraintSetInput{
ChangeToken: resp.ChangeToken,
SizeConstraintSetId: aws.String(d.Id()),
}
sizeConstraints := d.Get("size_constraints").(*schema.Set)
for _, sizeConstraint := range sizeConstraints.List() {
sc := sizeConstraint.(map[string]interface{})
sizeConstraintUpdate := &waf.SizeConstraintSetUpdate{
Action: aws.String(ChangeAction),
SizeConstraint: &waf.SizeConstraint{
FieldToMatch: expandFieldToMatch(sc["field_to_match"].(*schema.Set).List()[0].(map[string]interface{})),
ComparisonOperator: aws.String(sc["comparison_operator"].(string)),
Size: aws.Int64(int64(sc["size"].(int))),
TextTransformation: aws.String(sc["text_transformation"].(string)),
},
}
req.Updates = append(req.Updates, sizeConstraintUpdate)
}
_, err = conn.UpdateSizeConstraintSet(req)
if err != nil {
return errwrap.Wrapf("[ERROR] Error updating SizeConstraintSet: {{err}}", err)
}
return nil
}