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resource_aws_waf_byte_match_set.go
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resource_aws_waf_byte_match_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 resourceAwsWafByteMatchSet() *schema.Resource {
return &schema.Resource{
Create: resourceAwsWafByteMatchSetCreate,
Read: resourceAwsWafByteMatchSetRead,
Update: resourceAwsWafByteMatchSetUpdate,
Delete: resourceAwsWafByteMatchSetDelete,
Schema: map[string]*schema.Schema{
"name": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"byte_match_tuples": &schema.Schema{
Type: schema.TypeSet,
Optional: 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,
},
},
},
},
"positional_constraint": &schema.Schema{
Type: schema.TypeString,
Required: true,
},
"target_string": &schema.Schema{
Type: schema.TypeString,
Optional: true,
},
"text_transformation": &schema.Schema{
Type: schema.TypeString,
Required: true,
},
},
},
},
},
}
}
func resourceAwsWafByteMatchSetCreate(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).wafconn
log.Printf("[INFO] Creating ByteMatchSet: %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.CreateByteMatchSetInput{
ChangeToken: res.ChangeToken,
Name: aws.String(d.Get("name").(string)),
}
resp, err := conn.CreateByteMatchSet(params)
if err != nil {
return errwrap.Wrapf("[ERROR] Error creating ByteMatchSet: {{err}}", err)
}
d.SetId(*resp.ByteMatchSet.ByteMatchSetId)
return resourceAwsWafByteMatchSetUpdate(d, meta)
}
func resourceAwsWafByteMatchSetRead(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).wafconn
log.Printf("[INFO] Reading ByteMatchSet: %s", d.Get("name").(string))
params := &waf.GetByteMatchSetInput{
ByteMatchSetId: aws.String(d.Id()),
}
resp, err := conn.GetByteMatchSet(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.ByteMatchSet.Name)
return nil
}
func resourceAwsWafByteMatchSetUpdate(d *schema.ResourceData, meta interface{}) error {
log.Printf("[INFO] Updating ByteMatchSet: %s", d.Get("name").(string))
err := updateByteMatchSetResource(d, meta, waf.ChangeActionInsert)
if err != nil {
return errwrap.Wrapf("[ERROR] Error updating ByteMatchSet: {{err}}", err)
}
return resourceAwsWafByteMatchSetRead(d, meta)
}
func resourceAwsWafByteMatchSetDelete(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).wafconn
log.Printf("[INFO] Deleting ByteMatchSet: %s", d.Get("name").(string))
err := updateByteMatchSetResource(d, meta, waf.ChangeActionDelete)
if err != nil {
return errwrap.Wrapf("[ERROR] Error deleting ByteMatchSet: {{err}}", err)
}
var ct *waf.GetChangeTokenInput
resp, err := conn.GetChangeToken(ct)
req := &waf.DeleteByteMatchSetInput{
ChangeToken: resp.ChangeToken,
ByteMatchSetId: aws.String(d.Id()),
}
_, err = conn.DeleteByteMatchSet(req)
if err != nil {
return errwrap.Wrapf("[ERROR] Error deleting ByteMatchSet: {{err}}", err)
}
return nil
}
func updateByteMatchSetResource(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.UpdateByteMatchSetInput{
ChangeToken: resp.ChangeToken,
ByteMatchSetId: aws.String(d.Id()),
}
ByteMatchTuples := d.Get("byte_match_tuples").(*schema.Set)
for _, ByteMatchTuple := range ByteMatchTuples.List() {
ByteMatch := ByteMatchTuple.(map[string]interface{})
ByteMatchUpdate := &waf.ByteMatchSetUpdate{
Action: aws.String(ChangeAction),
ByteMatchTuple: &waf.ByteMatchTuple{
FieldToMatch: expandFieldToMatch(ByteMatch["field_to_match"].(*schema.Set).List()[0].(map[string]interface{})),
PositionalConstraint: aws.String(ByteMatch["positional_constraint"].(string)),
TargetString: []byte(ByteMatch["target_string"].(string)),
TextTransformation: aws.String(ByteMatch["text_transformation"].(string)),
},
}
req.Updates = append(req.Updates, ByteMatchUpdate)
}
_, err = conn.UpdateByteMatchSet(req)
if err != nil {
return errwrap.Wrapf("[ERROR] Error updating ByteMatchSet: {{err}}", err)
}
return nil
}
func expandFieldToMatch(d map[string]interface{}) *waf.FieldToMatch {
return &waf.FieldToMatch{
Type: aws.String(d["type"].(string)),
Data: aws.String(d["data"].(string)),
}
}
func flattenFieldToMatch(fm *waf.FieldToMatch) map[string]interface{} {
m := make(map[string]interface{})
m["data"] = *fm.Data
m["type"] = *fm.Type
return m
}