IPv6 Network Support

cloudstack/resource_cloudstack_network.go

@@ -78,13 +78,26 @@
 				ForceNew: true,
 			},
 
+			"ip6cidr": {
+				Type:     schema.TypeString,
+				Optional: true,
+				ForceNew: true,
+			},
+
 			"gateway": {
 				Type:     schema.TypeString,
 				Optional: true,
 				Computed: true,
 				ForceNew: true,
 			},
 
+			"ip6gateway": {
+				Type:     schema.TypeString,
+				Optional: true,
+				Computed: true,
+				ForceNew: true,
+			},
+
 			"startip": {
 				Type:     schema.TypeString,
 				Optional: true,
@@ -99,6 +112,20 @@
 				ForceNew: true,
 			},
 
+			"startipv6": {
+				Type:     schema.TypeString,
+				Optional: true,
+				Computed: true,
+				ForceNew: true,
+			},
+
+			"endipv6": {
+				Type:     schema.TypeString,
+				Optional: true,
+				Computed: true,
+				ForceNew: true,
+			},
+
 			"network_domain": {
 				Type:     schema.TypeString,
 				Optional: true,
@@ -209,6 +236,31 @@
 		p.SetEndip(endip)
 	}
 
+	// IPv6 support
+	if ip6cidr, ok := d.GetOk("ip6cidr"); ok && ip6cidr.(string) != none {
+		m6, err := parseCIDRv6(d, no.Specifyipranges)
+		if err != nil {
+			return err
+		}
+
+		p.SetIp6cidr(ip6cidr)
+
+		// Only set the start IPv6 if we have one
+		if startipv6, ok := m6["startipv6"]; ok {
+			p.SetStartipv6(startipv6)
+		}
+
+		// Only set the ipv6 gateway if we have one
+		if ip6gateway, ok := m6["ip6gateway"]; ok {
+			p.SetIp6gateway(ip6gateway)
+		}
+
+		// Only set the end IPv6 if we have one
+		if endipv6, ok := m6["endipv6"]; ok {
+			p.SetEndipv6(endipv6)
+		}
+	}
+
 	// Set the network domain if we have one
 	if networkDomain, ok := d.GetOk("network_domain"); ok {
 		p.SetNetworkdomain(networkDomain.(string))
@@ -306,6 +358,16 @@
 	d.Set("network_domain", n.Networkdomain)
 	d.Set("vpc_id", n.Vpcid)
 
+	if n.Ip6cidr == "" {
+		n.Ip6cidr = none
+	}
+	d.Set("ip6cidr", n.Ip6cidr)
+
+	if n.Ip6gateway == "" {
+		n.Ip6gateway = none
+	}
+	d.Set("ip6gateway", n.Ip6gateway)
+
 	if n.Aclid == "" {
 		n.Aclid = none
 	}
@@ -471,3 +533,53 @@
 
 	return m, nil
 }
+
+func parseCIDRv6(d *schema.ResourceData, specifyiprange bool) (map[string]string, error) {
+	m := make(map[string]string, 4)
+
+	cidr := d.Get("ip6cidr").(string)
+	_, ipnet, err := net.ParseCIDR(cidr)
+	if err != nil {
+		return nil, fmt.Errorf("Unable to parse cidr %s: %s", cidr, err)
+	}
+
+	if gateway, ok := d.GetOk("ip6gateway"); ok {
+		m["ip6gateway"] = gateway.(string)
+	} else {
+		m["ip6gateway"] = ipnet.IP.String()
+	}
+
+	if startip, ok := d.GetOk("startip"); ok {
+		m["startip"] = startip.(string)
+	} else if specifyiprange {
+		ip16 := ipnet.IP.To16()
+		if ip16 == nil {
+			return nil, fmt.Errorf("cidr not valid for ipv6")
+		}
+
+		myip := make(net.IP, len(ip16))
+		copy(myip, ip16)
+		myip[len(ip16)-1] = 2
+		m["startip"] = myip.String()
+	}
+
+	if endip, ok := d.GetOk("endipv6"); ok {
+		m["endipv6"] = endip.(string)
+	} else if specifyiprange {
+		ip16 := ipnet.IP.To16()
+		if ip16 == nil {
+			return nil, fmt.Errorf("cidr not valid for ipv6")
+		}
+
+		last := make(net.IP, len(ip16))
+		copy(last, ip16)
+
+		for i := range ip16 {
+			// Perform bitwise OR with the inverse of the mask
+			last[i] |= ^ipnet.Mask[i]
+		}
+		m["endipv6"] = last.String()
+	}
+
+	return m, nil
+}

website/docs/r/network.html.markdown

@@ -43,6 +43,18 @@ The following arguments are supported:
 * `endip` - (Optional) End of the IP block that will be available on the
     network. Defaults to the last available IP in the range.
 
+* `ip6cidr` - (Optional) The IPv6 CIDR block for the network.  Changing this
+    forces a new resource to be created.
+
+* `ip6gateway` - (Optional) IPv6 Gateway that will be provided to the instances
+    in this network. Defaults to the first usable IP in the range.
+
+* `startipv6` - (Optional) Start of the IPv6 block that will be available on the
+    network. Defaults to the second available IP in the range.
+
+* `endipv6` - (Optional) End of the IPv6 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