change enable on adaptive_protection_config

.changelog/6572.txt

@@ -0,0 +1,3 @@
+```release-note:bug
+compute: fixed unable to manage Cloud Armor `adaptive_protection_config` on `google_compute_security_policy`
+```

google/resource_compute_security_policy.go

@@ -857,8 +857,9 @@ func expandLayer7DdosDefenseConfig(configured []interface{}) *compute.SecurityPo
 
 	data := configured[0].(map[string]interface{})
 	return &compute.SecurityPolicyAdaptiveProtectionConfigLayer7DdosDefenseConfig{
-		Enable:         data["enable"].(bool),
-		RuleVisibility: data["rule_visibility"].(string),
+		Enable:          data["enable"].(bool),
+		RuleVisibility:  data["rule_visibility"].(string),
+		ForceSendFields: []string{"Enable"},
 	}
 }
 

google/resource_compute_security_policy_test.go

@@ -176,6 +176,14 @@ func TestAccComputeSecurityPolicy_withAdaptiveProtection(t *testing.T) {
 				ImportState:       true,
 				ImportStateVerify: true,
 			},
+			{
+				Config: testAccComputeSecurityPolicy_withAdaptiveProtectionUpdate(spName),
+			},
+			{
+				ResourceName:      "google_compute_security_policy.policy",
+				ImportState:       true,
+				ImportStateVerify: true,
+			},
 		},
 	})
 }
@@ -453,6 +461,22 @@ resource "google_compute_security_policy" "policy" {
 `, spName)
 }
 
+func testAccComputeSecurityPolicy_withAdaptiveProtectionUpdate(spName string) string {
+	return fmt.Sprintf(`
+resource "google_compute_security_policy" "policy" {
+  name        = "%s"
+  description = "updated description"
+
+  adaptive_protection_config {
+    layer_7_ddos_defense_config {
+      enable = false
+      rule_visibility = "STANDARD"
+    }
+  }
+}
+`, spName)
+}
+
 func testAccComputeSecurityPolicy_withRateLimitOptions(spName string) string {
 	return fmt.Sprintf(`
 resource "google_compute_security_policy" "policy" {