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

@@ -80,6 +80,11 @@ 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(),

scaleway/resource_instance_security_group_test.go

@@ -538,3 +538,36 @@ 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 = true
+					}
+				`,
+				Check: resource.ComposeTestCheckFunc(
+					resource.TestCheckResourceAttr("scaleway_instance_security_group.base", "inbound_rule.0.action", "accept"),
+					resource.TestCheckResourceAttr("scaleway_instance_security_group.base", "inbound_rule.0.protocol", "TCP"),
+					resource.TestCheckResourceAttr("scaleway_instance_security_group.base", "inbound_rule.0.port", "80"),
+					resource.TestCheckResourceAttr("scaleway_instance_security_group.base", "inbound_rule.0.ip_range", "0.0.0.0/0"),
+					testAccCheckScalewayInstanceSecurityGroupRuleMatch(tt, "scaleway_instance_security_group.base", 0, &instance.SecurityGroupRule{
+						Direction:    instance.SecurityGroupRuleDirectionInbound,
+						IPRange:      expandIPNet("0.0.0.0/0"),
+						DestPortFrom: scw.Uint32Ptr(80),
+						DestPortTo:   nil,
+						Protocol:     instance.SecurityGroupRuleProtocolTCP,
+						Action:       instance.SecurityGroupRuleActionAccept,
+					}),
+				),
+			},
+		},
+	})
+}