feat(instance): add support for smtp enabling

Author: remyleone

docs/resources/instance_security_group.md

@@ -120,6 +120,7 @@ The following arguments are supported:
 
 - `project_id` - (Defaults to [provider](../index.md#project_id) `project_id`) The ID of the project the security group is associated with.
 
+- `enable_smtp` - (Optional) Enable SMTP on IPv4/IPv6 (Port 25, 465, 587).
 
 The `inbound_rule` and `outbound_rule` block supports:
 

scaleway/resource_instance_security_group.go

@@ -82,6 +82,11 @@ func resourceScalewayInstanceSecurityGroup() *schema.Resource {
 				Default:       false,
 				ConflictsWith: []string{"inbound_rule", "outbound_rule"},
 			},
+			"enable_smtp": {
+				Type:     schema.TypeBool,
+				Optional: true,
+				Default:  false,
+			},
 			"zone":            zoneSchema(),
 			"organization_id": organizationIDSchema(),
 			"project_id":      projectIDSchema(),
@@ -144,6 +149,7 @@ func resourceScalewayInstanceSecurityGroupRead(ctx context.Context, d *schema.Re
 	_ = d.Set("description", res.SecurityGroup.Description)
 	_ = d.Set("inbound_default_policy", res.SecurityGroup.InboundDefaultPolicy.String())
 	_ = d.Set("outbound_default_policy", res.SecurityGroup.OutboundDefaultPolicy.String())
+	_ = d.Set("enable_smtp", !res.SecurityGroup.EnableDefaultSecurity)
 
 	if !d.Get("external_rules").(bool) {
 		inboundRules, outboundRules, err := getSecurityGroupRules(instanceAPI, zone, ID, d)

scaleway/resource_instance_security_group_test.go

@@ -538,3 +538,25 @@ func testSweepComputeInstanceSecurityGroup(_ string) error {
 		return nil
 	})
 }
+
+func TestAccScalewayInstanceSecurityGroup_EnableSMTP(t *testing.T) {
+	tt := NewTestTools(t)
+	defer tt.Cleanup()
+	resource.Test(t, resource.TestCase{
+		PreCheck:          func() { testAccPreCheck(t) },
+		ProviderFactories: tt.ProviderFactories,
+		CheckDestroy:      testAccCheckScalewayInstanceSecurityGroupDestroy(tt),
+		Steps: []resource.TestStep{
+			{
+				Config: `
+					resource "scaleway_instance_security_group" "base" {
+						enable_smtp = false
+					}
+				`,
+				Check: resource.ComposeTestCheckFunc(
+					resource.TestCheckResourceAttr("scaleway_instance_security_group.base", "enable_smtp", "false"),
+				),
+			},
+		},
+	})
+}