Add support for mDNS on network resource (#292)

* Add support for mDNS on network resource

Signed-off-by: Xabier Larrakoetxea <me@slok.dev>

* Add mDSN network tests

Signed-off-by: Xabier Larrakoetxea <me@slok.dev>

---------

Signed-off-by: Xabier Larrakoetxea <me@slok.dev>

internal/provider/data_network.go

@@ -196,6 +196,11 @@ func dataNetwork() *schema.Resource {
 				Type:        schema.TypeInt,
 				Computed:    true,
 			},
+			"multicast_dns": {
+				Description: "Specifies whether Multicast DNS (mDNS) is enabled or not on the network (Controller >=v7).",
+				Type:        schema.TypeBool,
+				Computed:    true,
+			},
 			"wan_ip": {
 				Description: "The IPv4 address of the WAN.",
 				Type:        schema.TypeString,
@@ -324,6 +329,7 @@ func dataNetworkRead(ctx context.Context, d *schema.ResourceData, meta interface
 			d.Set("vlan_id", n.VLAN)
 			d.Set("subnet", cidrZeroBased(n.IPSubnet))
 			d.Set("network_group", n.NetworkGroup)
+			d.Set("dhcp_dns", dhcpDNS)
 			d.Set("dhcp_start", n.DHCPDStart)
 			d.Set("dhcp_stop", n.DHCPDStop)
 			d.Set("dhcp_enabled", n.DHCPDEnabled)
@@ -333,12 +339,12 @@ func dataNetworkRead(ctx context.Context, d *schema.ResourceData, meta interface
 			d.Set("dhcpd_boot_filename", n.DHCPDBootFilename)
 			d.Set("domain_name", n.DomainName)
 			d.Set("igmp_snooping", n.IGMPSnooping)
-			d.Set("dhcp_dns", dhcpDNS)
 			d.Set("ipv6_interface_type", n.IPV6InterfaceType)
 			d.Set("ipv6_static_subnet", n.IPV6Subnet)
 			d.Set("ipv6_pd_interface", n.IPV6PDInterface)
 			d.Set("ipv6_pd_prefixid", n.IPV6PDPrefixid)
 			d.Set("ipv6_ra_enable", n.IPV6RaEnabled)
+			d.Set("multicast_dns", n.MdnsEnabled)
 			d.Set("wan_ip", n.WANIP)
 			d.Set("wan_netmask", n.WANNetmask)
 			d.Set("wan_gateway", n.WANGateway)

internal/provider/resource_network.go

@@ -277,6 +277,11 @@ func resourceNetwork() *schema.Resource {
 				Optional:    true,
 				Default:     86400,
 			},
+			"multicast_dns": {
+				Description: "Specifies whether Multicast DNS (mDNS) is enabled or not on the network (Controller >=v7).",
+				Type:        schema.TypeBool,
+				Optional:    true,
+			},
 			"wan_ip": {
 				Description:  "The IPv4 address of the WAN.",
 				Type:         schema.TypeString,
@@ -425,6 +430,7 @@ func resourceNetworkGetResourceData(d *schema.ResourceData, meta interface{}) (*
 		DHCPRelayEnabled:  d.Get("dhcp_relay_enabled").(bool),
 		DomainName:        d.Get("domain_name").(string),
 		IGMPSnooping:      d.Get("igmp_snooping").(bool),
+		MdnsEnabled:       d.Get("multicast_dns").(bool),
 
 		DHCPDDNSEnabled: len(dhcpDNS) > 0,
 		// this is kinda hacky but ¯\_(ツ)_/¯
@@ -591,6 +597,7 @@ func resourceNetworkSetResourceData(resp *unifi.Network, d *schema.ResourceData,
 	d.Set("ipv6_ra_priority", resp.IPV6RaPriority)
 	d.Set("ipv6_ra_valid_lifetime", resp.IPV6RaValidLifetime)
 	d.Set("ipv6_static_subnet", resp.IPV6Subnet)
+	d.Set("multicast_dns", resp.MdnsEnabled)
 	d.Set("wan_dhcp_v6_pd_size", resp.WANDHCPv6PDSize)
 	d.Set("wan_dns", wanDNS)
 	d.Set("wan_egress_qos", resp.WANEgressQOS)

internal/provider/resource_network_test.go

@@ -403,6 +403,36 @@ func TestAccNetwork_vlanOnly(t *testing.T) {
 	})
 }
 
+func TestAccNetwork_mdns(t *testing.T) {
+	name := acctest.RandomWithPrefix("tfacc")
+	vlanID := getTestVLAN(t)
+
+	resource.ParallelTest(t, resource.TestCase{
+		PreCheck: func() {
+			preCheck(t)
+			preCheckMinVersion(t, controllerV7)
+		},
+		ProviderFactories: providerFactories,
+		// TODO: CheckDestroy: ,
+		Steps: []resource.TestStep{
+			{
+				Config: testAccNetworkConfigMDNS(name, vlanID, true),
+				Check: resource.ComposeTestCheckFunc(
+					resource.TestCheckResourceAttr("unifi_network.test", "multicast_dns", "true"),
+				),
+			},
+			importStep("unifi_network.test"),
+			{
+				Config: testAccNetworkConfigMDNS(name, vlanID, false),
+				Check: resource.ComposeTestCheckFunc(
+					resource.TestCheckResourceAttr("unifi_network.test", "multicast_dns", "false"),
+				),
+			},
+			importStep("unifi_network.test"),
+		},
+	})
+}
+
 // TODO: ipv6 prefix delegation test
 
 func quoteStrings(src []string) []string {
@@ -648,3 +678,16 @@ resource "unifi_network" "test" {
 }
 `, name, subnet, vlan, gatewayIP, dhcpdV6Start, dhcpdV6Stop, strings.Join(quoteStrings(dhcpV6DNS), ","))
 }
+
+func testAccNetworkConfigMDNS(name string, vlan int, mdns bool) string {
+	return fmt.Sprintf(`
+resource "unifi_network" "test" {
+	name    = "%[1]s"
+	purpose = "corporate"
+	subnet  = cidrsubnet("10.0.0.0/8", 6, %[2]d)
+	vlan_id = %[2]d
+
+	multicast_dns = %[3]t
+}
+`, name, vlan, mdns)
+}