From 9d8546d8f8b4a22bc6373b01724efcc1fffb3c8a Mon Sep 17 00:00:00 2001
From: Frank Shen <fshen01@fortinet.com>
Date: Mon, 19 Oct 2020 21:23:24 +0800
Subject: [PATCH] Support the configuration of the interfaces automatically
 created by FGT #97

---
 fortios/resource_system_interface.go          | 22 ++++++++++++++-----
 .../r/fortios_system_interface.html.markdown  |  1 +
 2 files changed, 17 insertions(+), 6 deletions(-)

diff --git a/fortios/resource_system_interface.go b/fortios/resource_system_interface.go
index a2ac4d73a..036b3fe57 100644
--- a/fortios/resource_system_interface.go
+++ b/fortios/resource_system_interface.go
@@ -29,6 +29,11 @@ func resourceSystemInterface() *schema.Resource {
 		},
 
 		Schema: map[string]*schema.Schema{
+			"autogenerated": &schema.Schema{
+				Type:     schema.TypeString,
+				Optional: true,
+				Computed: true,
+			},
 			"name": &schema.Schema{
 				Type:         schema.TypeString,
 				ValidateFunc: validation.StringLenBetween(0, 15),
@@ -1498,7 +1503,8 @@ func resourceSystemInterfaceCreate(d *schema.ResourceData, m interface{}) error
 
 	var o map[string]interface{}
 	v, _ := d.GetOk("type")
-	if v == "physical" {
+	ag, _ := d.GetOk("autogenerated")
+	if v == "physical" || ag == "auto" {
 		o, err = c.UpdateSystemInterface(obj, (*obj)["name"].(string))
 	} else {
 		o, err = c.CreateSystemInterface(obj)
@@ -1549,11 +1555,15 @@ func resourceSystemInterfaceDelete(d *schema.ResourceData, m interface{}) error
 	c.Retries = 1
 
 	v, _ := d.GetOk("type")
-	if v != "physical" {
-		err := c.DeleteSystemInterface(mkey)
-		if err != nil {
-			return fmt.Errorf("Error deleting SystemInterface resource: %v", err)
-		}
+	ag, _ := d.GetOk("autogenerated")
+	if v == "physical" || ag == "auto" {
+		d.SetId("")
+		return nil
+	}
+
+	err := c.DeleteSystemInterface(mkey)
+	if err != nil {
+		return fmt.Errorf("Error deleting SystemInterface resource: %v", err)
 	}
 
 	d.SetId("")
diff --git a/website/docs/r/fortios_system_interface.html.markdown b/website/docs/r/fortios_system_interface.html.markdown
index 89a292408..e237e3813 100644
--- a/website/docs/r/fortios_system_interface.html.markdown
+++ b/website/docs/r/fortios_system_interface.html.markdown
@@ -205,6 +205,7 @@ The following arguments are supported:
 * `color` - Color of icon on the GUI.
 * `tagging` - Config object tagging.
 * `ipv6` - IPv6 of interface.
+* `autogenerated` - Indicates whether the interface is automatically created by FortiGate, for example, created during the VPN creation process. If it is, set it to "auto", else keep it empty.
 
 The `fail_alert_interfaces` block supports: