forked from hashicorp/terraform-provider-aws
/
resource_aws_waf_rule_group.go
190 lines (164 loc) · 4.78 KB
/
resource_aws_waf_rule_group.go
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package aws
import (
"fmt"
"log"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/waf"
"github.com/hashicorp/terraform/helper/schema"
)
func resourceAwsWafRuleGroup() *schema.Resource {
return &schema.Resource{
Create: resourceAwsWafRuleGroupCreate,
Read: resourceAwsWafRuleGroupRead,
Update: resourceAwsWafRuleGroupUpdate,
Delete: resourceAwsWafRuleGroupDelete,
Importer: &schema.ResourceImporter{
State: schema.ImportStatePassthrough,
},
Schema: map[string]*schema.Schema{
"name": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"metric_name": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
ValidateFunc: validateWafMetricName,
},
"activated_rule": {
Type: schema.TypeSet,
Optional: true,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"action": {
Type: schema.TypeList,
MaxItems: 1,
Required: true,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"type": {
Type: schema.TypeString,
Required: true,
},
},
},
},
"priority": {
Type: schema.TypeInt,
Required: true,
},
"rule_id": {
Type: schema.TypeString,
Required: true,
},
"type": {
Type: schema.TypeString,
Optional: true,
Default: waf.WafRuleTypeRegular,
},
},
},
},
},
}
}
func resourceAwsWafRuleGroupCreate(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).wafconn
wr := newWafRetryer(conn)
out, err := wr.RetryWithToken(func(token *string) (interface{}, error) {
params := &waf.CreateRuleGroupInput{
ChangeToken: token,
MetricName: aws.String(d.Get("metric_name").(string)),
Name: aws.String(d.Get("name").(string)),
}
return conn.CreateRuleGroup(params)
})
if err != nil {
return err
}
resp := out.(*waf.CreateRuleGroupOutput)
d.SetId(*resp.RuleGroup.RuleGroupId)
return resourceAwsWafRuleGroupUpdate(d, meta)
}
func resourceAwsWafRuleGroupRead(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).wafconn
params := &waf.GetRuleGroupInput{
RuleGroupId: aws.String(d.Id()),
}
resp, err := conn.GetRuleGroup(params)
if err != nil {
if isAWSErr(err, "WAFNonexistentItemException", "") {
log.Printf("[WARN] WAF Rule Group (%s) not found, removing from state", d.Id())
d.SetId("")
return nil
}
return err
}
rResp, err := conn.ListActivatedRulesInRuleGroup(&waf.ListActivatedRulesInRuleGroupInput{
RuleGroupId: aws.String(d.Id()),
})
if err != nil {
return fmt.Errorf("error listing activated rules in WAF Rule Group (%s): %s", d.Id(), err)
}
d.Set("activated_rule", flattenWafActivatedRules(rResp.ActivatedRules))
d.Set("name", resp.RuleGroup.Name)
d.Set("metric_name", resp.RuleGroup.MetricName)
return nil
}
func resourceAwsWafRuleGroupUpdate(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).wafconn
if d.HasChange("activated_rule") {
o, n := d.GetChange("activated_rule")
oldRules, newRules := o.(*schema.Set).List(), n.(*schema.Set).List()
err := updateWafRuleGroupResource(d.Id(), oldRules, newRules, conn)
if err != nil {
return fmt.Errorf("Error Updating WAF Rule Group: %s", err)
}
}
return resourceAwsWafRuleGroupRead(d, meta)
}
func resourceAwsWafRuleGroupDelete(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).wafconn
oldRules := d.Get("activated_rule").(*schema.Set).List()
err := deleteWafRuleGroup(d.Id(), oldRules, conn)
return err
}
func deleteWafRuleGroup(id string, oldRules []interface{}, conn *waf.WAF) error {
if len(oldRules) > 0 {
noRules := []interface{}{}
err := updateWafRuleGroupResource(id, oldRules, noRules, conn)
if err != nil {
return fmt.Errorf("Error updating WAF Rule Group Predicates: %s", err)
}
}
wr := newWafRetryer(conn)
_, err := wr.RetryWithToken(func(token *string) (interface{}, error) {
req := &waf.DeleteRuleGroupInput{
ChangeToken: token,
RuleGroupId: aws.String(id),
}
log.Printf("[INFO] Deleting WAF Rule Group")
return conn.DeleteRuleGroup(req)
})
if err != nil {
return fmt.Errorf("Error deleting WAF Rule Group: %s", err)
}
return nil
}
func updateWafRuleGroupResource(id string, oldRules, newRules []interface{}, conn *waf.WAF) error {
wr := newWafRetryer(conn)
_, err := wr.RetryWithToken(func(token *string) (interface{}, error) {
req := &waf.UpdateRuleGroupInput{
ChangeToken: token,
RuleGroupId: aws.String(id),
Updates: diffWafRuleGroupActivatedRules(oldRules, newRules),
}
return conn.UpdateRuleGroup(req)
})
if err != nil {
return fmt.Errorf("Error Updating WAF Rule Group: %s", err)
}
return nil
}