provider/cloudstack: add support for multiple NICs with port forwards and set network_domain for networks (hashicorp#10638)

* Add support for multiple NICs with port forwards

* Fix issue hashicorp#9801

Author: Sander van Harmelen

builtin/providers/cloudstack/resource_cloudstack_network.go

@@ -77,6 +77,12 @@ func resourceCloudStackNetwork() *schema.Resource {
 				ForceNew: true,
 			},
 
+			"network_domain": &schema.Schema{
+				Type:     schema.TypeString,
+				Optional: true,
+				Computed: true,
+			},
+
 			"network_offering": &schema.Schema{
 				Type:     schema.TypeString,
 				Required: true,
@@ -165,6 +171,11 @@ func resourceCloudStackNetworkCreate(d *schema.ResourceData, meta interface{}) e
 		p.SetEndip(endip)
 	}
 
+	// Set the network domain if we have one
+	if networkDomain, ok := d.GetOk("network_domain"); ok {
+		p.SetNetworkdomain(networkDomain.(string))
+	}
+
 	if vlan, ok := d.GetOk("vlan"); ok {
 		p.SetVlan(strconv.Itoa(vlan.(int)))
 	}
@@ -225,6 +236,7 @@ func resourceCloudStackNetworkRead(d *schema.ResourceData, meta interface{}) err
 	d.Set("display_text", n.Displaytext)
 	d.Set("cidr", n.Cidr)
 	d.Set("gateway", n.Gateway)
+	d.Set("network_domain", n.Networkdomain)
 	d.Set("vpc_id", n.Vpcid)
 
 	if n.Aclid == "" {
@@ -270,6 +282,11 @@ func resourceCloudStackNetworkUpdate(d *schema.ResourceData, meta interface{}) e
 		p.SetGuestvmcidr(d.Get("cidr").(string))
 	}
 
+	// Check if the network domain is changed
+	if d.HasChange("network_domain") {
+		p.SetNetworkdomain(d.Get("network_domain").(string))
+	}
+
 	// Check if the network offering is changed
 	if d.HasChange("network_offering") {
 		// Retrieve the network_offering ID

builtin/providers/cloudstack/resource_cloudstack_port_forward.go

@@ -65,6 +65,12 @@ func resourceCloudStackPortForward() *schema.Resource {
 							Required: true,
 						},
 
+						"vm_guest_ip": &schema.Schema{
+							Type:     schema.TypeString,
+							Optional: true,
+							Computed: true,
+						},
+
 						"uuid": &schema.Schema{
 							Type:     schema.TypeString,
 							Computed: true,
@@ -154,9 +160,28 @@ func createPortForward(d *schema.ResourceData, meta interface{}, forward map[str
 	p := cs.Firewall.NewCreatePortForwardingRuleParams(d.Id(), forward["private_port"].(int),
 		forward["protocol"].(string), forward["public_port"].(int), vm.Id)
 
-	// Set the network ID, needed when the public IP address
-	// is not associated with any network yet (VPC case)
-	p.SetNetworkid(vm.Nic[0].Networkid)
+	if vmGuestIP, ok := forward["vm_guest_ip"]; ok {
+		p.SetVmguestip(vmGuestIP.(string))
+
+		// Set the network ID based on the guest IP, needed when the public IP address
+		// is not associated with any network yet
+	NICS:
+		for _, nic := range vm.Nic {
+			if vmGuestIP.(string) == nic.Ipaddress {
+				p.SetNetworkid(nic.Networkid)
+				break NICS
+			}
+			for _, ip := range nic.Secondaryip {
+				if vmGuestIP.(string) == ip.Ipaddress {
+					p.SetNetworkid(nic.Networkid)
+					break NICS
+				}
+			}
+		}
+	} else {
+		// If no guest IP is configured, use the primary NIC
+		p.SetNetworkid(vm.Nic[0].Networkid)
+	}
 
 	// Do not open the firewall automatically in any case
 	p.SetOpenfirewall(false)
@@ -248,6 +273,7 @@ func resourceCloudStackPortForwardRead(d *schema.ResourceData, meta interface{})
 			forward["private_port"] = privPort
 			forward["public_port"] = pubPort
 			forward["virtual_machine_id"] = f.Virtualmachineid
+			forward["vm_guest_ip"] = f.Vmguestip
 
 			forwards.Add(forward)
 		}

website/source/docs/providers/cloudstack/r/network.html.markdown

@@ -37,17 +37,19 @@ The following arguments are supported:
 * `gateway` - (Optional) Gateway that will be provided to the instances in this
     network. Defaults to the first usable IP in the range.
 
-* `startip` - (Optional) Start of the IP block that will be available on the 
+* `startip` - (Optional) Start of the IP block that will be available on the
     network. Defaults to the second available IP in the range.
 
-* `endip` - (Optional) End of the IP block that will be available on the 
+* `endip` - (Optional) End of the IP block that will be available on the
     network. Defaults to the last available IP in the range.
 
+* `network_domain` - (Optional) DNS domain for the network.
+
 * `network_offering` - (Required) The name or ID of the network offering to use
     for this network.
 
 * `vlan` - (Optional) The VLAN number (1-4095) the network will use. This might be
-    required by the Network Offering if specifyVlan=true is set. Only the ROOT 
+    required by the Network Offering if specifyVlan=true is set. Only the ROOT
     admin can set this value.
 
 * `vpc_id` - (Optional) The VPC ID in which to create this network. Changing
@@ -64,11 +66,12 @@ The following arguments are supported:
 * `zone` - (Required) The name or ID of the zone where this network will be
     available. Changing this forces a new resource to be created.
 
-* `tags` - (Optional) A mapping of tags to assign to the resource. 
+* `tags` - (Optional) A mapping of tags to assign to the resource.
 
 ## Attributes Reference
 
 The following attributes are exported:
 
 * `id` - The ID of the network.
 * `display_text` - The display text of the network.
+* `network_domain` - DNS domain for the network.

website/source/docs/providers/cloudstack/r/port_forward.html.markdown

@@ -50,9 +50,14 @@ The `forward` block supports:
 
 * `virtual_machine_id` - (Required) The ID of the virtual machine to forward to.
 
+* `vm_guest_ip` - (Optional) The virtual machine IP address for the port
+    forwarding rule (useful when the virtual machine has secondairy NICs
+    or IP addresses).
+
 ## Attributes Reference
 
 The following attributes are exported:
 
 * `id` - The ID of the IP address for which the port forwards are created.
-
+* `vm_guest_ip` - The IP address of the virtual machine that is used
+    for the port forwarding rule.

website/source/docs/providers/cloudstack/r/static_nat.html.markdown

@@ -29,9 +29,9 @@ The following arguments are supported:
 * `virtual_machine_id` - (Required) The virtual machine ID to enable the
     static NAT feature for. Changing this forces a new resource to be created.
 
-* `vm_guest_ip` - (Optional) The virtual machine IP address for the port
-    forwarding rule (useful when the virtual machine has a secondairy NIC).
-    Changing this forces a new resource to be created.
+* `vm_guest_ip` - (Optional) The virtual machine IP address to forward the
+    static NAT traffic to (useful when the virtual machine has secondary
+    NICs or IP addresses). Changing this forces a new resource to be created.
 
 * `project` - (Optional) The name or ID of the project to deploy this
     instance to. Changing this forces a new resource to be created.
@@ -42,4 +42,4 @@ The following attributes are exported:
 
 * `id` - The static nat ID.
 * `vm_guest_ip` - The IP address of the virtual machine that is used
-    for the port forwarding rule.
+    to forward the static NAT traffic to.

website/source/docs/providers/cloudstack/r/vpc.html.markdown

@@ -37,8 +37,8 @@ The following arguments are supported:
 * `vpc_offering` - (Required) The name or ID of the VPC offering to use for this VPC.
     Changing this forces a new resource to be created.
 
-* `network_domain` - (Optional) DNS domain for guest
-    networks. Changing this forces a new resource to be created.
+* `network_domain` - (Optional) The default DNS domain for networks created in
+    this VPC. Changing this forces a new resource to be created.
 
 * `project` - (Optional) The name or ID of the project to deploy this
     instance to. Changing this forces a new resource to be created.