IPv6: dhcp/provisioner: make ipv6 aware

chef/cookbooks/barclamp/libraries/barclamp_library.rb

@@ -92,6 +92,7 @@ class Network
         attr_reader :vlan, :use_vlan
         attr_reader :add_bridge, :add_ovs_bridge, :bridge_name
         attr_reader :conduit
+        attr_reader :ip_version
 
         def initialize(node, net, data)
           @node = node
@@ -112,6 +113,13 @@ def initialize(node, net, data)
           # let's resolve this only if needed
           @interface = nil
           @interface_list = nil
+
+          require "ipaddr"
+          @ip_version = if IPAddr.new(@subnet).ipv6?
+            "6"
+          else
+            "4"
+          end
         end
 
         def interface
@@ -124,6 +132,30 @@ def interface_list
           @interface_list
         end
 
+        def cidr_to_netmask
+          if @ip_version == "6"
+            range = 128
+          else
+            range = 32
+          end
+
+          cidr = Integer(@netmask) rescue nil
+          if cidr && !(1..range).cover?(cidr)
+            Chef::Log.error("Invalid CIDR netmask '#{cidr}' > '#{range}'")
+            return @netmask
+          end
+
+          if cidr
+            if @ip_version == "6"
+              IPAddr.new('ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff').mask(cidr).to_s
+            else
+              IPAddr.new('255.255.255.255').mask(cidr).to_s
+            end
+          else
+            @netmask
+          end
+        end
+
         protected
 
         def resolve_interface_info

chef/cookbooks/bind9/recipes/default.rb

@@ -152,6 +152,10 @@ def make_zone(zone)
 
   zonefile_entries
 end
+def address_version(address)
+  'ip6addr' if IPAddr.new(address).ipv6?
+  'ip4addr' if IPAddr.new(address).ipv4?
+end
 
 # Create our basic zone infrastructure.
 zones = Mash.new
@@ -207,7 +211,7 @@ def make_zone(zone)
       alias_name = "#{net_name}-#{alias_name_no_net}" if alias_name_no_net
     end
     cluster_zone[:hosts][base_name] = Mash.new
-    cluster_zone[:hosts][base_name][:ip4addr] = network.address
+    cluster_zone[:hosts][base_name][address_version(network.address)] = network.address
     cluster_zone[:hosts][base_name][:alias] = alias_name if alias_name
   end
 
@@ -238,7 +242,7 @@ def make_zone(zone)
 temporary_dhcp.each_pair do |address, value|
   _, base_name, alias_name = value
   cluster_zone[:hosts][base_name] = Mash.new
-  cluster_zone[:hosts][base_name][:ip4addr] = address
+  cluster_zone[:hosts][base_name][address_version(address)] = address
   cluster_zone[:hosts][base_name][:alias] = alias_name if alias_name
 end
 
@@ -257,7 +261,8 @@ def make_zone(zone)
       base_name="#{net_name}-#{base_name}"
     end
     cluster_zone[:hosts][base_name] = Mash.new
-    cluster_zone[:hosts][base_name][:ip4addr] = network[:allocated_by_name][host][:address]
+    address = network[:allocated_by_name][host][:address]
+    cluster_zone[:hosts][base_name][address_version(address)] = address
   end
 end
 
@@ -388,8 +393,7 @@ def make_zone(zone)
   end
 end
 
-### FIXME Change to "any" once IPv6 support has been implemented
-admin_addr6 = "none"
+admin_addr6 = "any"
 if node[:dns][:enable_designate] && !node[:dns][:master]
   node[:dns][:forwarders].push master_ip
 end

chef/cookbooks/crowbar/recipes/default.rb

@@ -279,7 +279,7 @@
     if node[:crowbar][:network].key?(:admin) && node[:crowbar].key?(:apache)
       address = node[:crowbar][:network][:admin][:address]
       protocol = node[:crowbar][:apache][:ssl] ? "https" : "http"
-      server = "#{protocol}://#{address}"
+      server = "#{protocol}://#{NetworkHelper.wrap_ip(address)}"
       verify_ssl = !node[:crowbar][:apache][:insecure]
     else
       server = nil

chef/cookbooks/dhcp/attributes/default.rb

@@ -1,6 +1,6 @@
 
 default[:dhcp][:interfaces] = ["eth0"]
-default[:dhcp][:options] = [
+default[:dhcp][:options][:v4] = [
     "ddns-update-style none",
     "allow booting",
     "option option-128 code 128 = string",
@@ -10,4 +10,17 @@
     "option dhcp-client-debug code 226 = unsigned integer 16",
     "option dhcp-client-debug 0"
 ]
+default[:dhcp][:options][:v6] = [
+    "ddns-update-style none",
+    "allow booting",
+    "option option-128 code 128 = string",
+    "option option-129 code 129 = text",
+    "option dhcp-client-state code 225 = unsigned integer 16",
+    "option dhcp-client-state 0",
+    "option dhcp-client-debug code 226 = unsigned integer 16",
+    "option dhcp-client-debug 0",
+    "option dhcp6.bootfile-url code 59 = string",
+    "option dhcp6.client-arch-type code 61 = array of unsigned integer 16",
+    "option dhcp6.vendor-class code 16 = {integer 32, integer 16, string}"
+]
 

chef/cookbooks/dhcp/libraries/helpers.rb

@@ -0,0 +1,10 @@
+module DhcpHelper
+  def self.config_filename(base, ip_version, extension = ".conf")
+    if ip_version == "4"
+      extra = ""
+    else
+      extra = ip_version
+    end
+    "#{base}#{extra}#{extension}"
+  end
+end

chef/cookbooks/dhcp/providers/host.rb

@@ -24,7 +24,9 @@
       hostname: new_resource.hostname,
       macaddress: new_resource.macaddress,
       ipaddress: new_resource.ipaddress,
-      options: new_resource.options
+      options: new_resource.options,
+      prefix: new_resource.prefix,
+      ip_version: new_resource.ip_version
     )
     owner "root"
     group "root"
@@ -35,7 +37,7 @@
   end
   utils_line "include \"#{filename}\";" do
     action :add
-    file "/etc/dhcp3/hosts.d/host_list.conf"
+    file "/etc/dhcp3/hosts.d/#{DhcpHelper.config_filename("host_list", new_resource.ip_version)}"
     if node[:provisioner][:enable_pxe]
       notifies :restart, resources(service: "dhcp3-server"), :delayed
     end
@@ -54,11 +56,13 @@
     end
     new_resource.updated_by_last_action(true)
   end
-  utils_line "include \"#{filename}\";" do
-    action :remove
-    file "/etc/dhcp3/hosts.d/host_list.conf"
-    if node[:provisioner][:enable_pxe]
-      notifies :restart, resources(service: "dhcp3-server"), :delayed
+  ["host_list.conf", "host_list6.conf"].each do |host_list|
+    utils_line "include \"#{filename}\";" do
+      action :remove
+      file "/etc/dhcp3/hosts.d/#{host_list}"
+      if node[:provisioner][:enable_pxe]
+        notifies :restart, resources(service: "dhcp3-server"), :delayed
+      end
     end
   end
 end

chef/cookbooks/dhcp/providers/subnet.rb

@@ -14,10 +14,11 @@
 #
 
 action :add do
+  subnet_template = DhcpHelper.config_filename("subnet", new_resource.ip_version, ".conf.erb")
   filename = "/etc/dhcp3/subnets.d/#{new_resource.subnet}.conf"
   template filename do
     cookbook "dhcp"
-    source "subnet.conf.erb"
+    source subnet_template
     variables(
       network: new_resource.network,
       options: new_resource.options,
@@ -31,9 +32,10 @@
       notifies :restart, resources(service: "dhcp3-server"), :delayed
     end
   end
+  subnet_file = DhcpHelper.config_filename("subnet_list", new_resource.ip_version)
   utils_line "include \"#{filename}\";" do
     action :add
-    file "/etc/dhcp3/subnets.d/subnet_list.conf"
+    file "/etc/dhcp3/subnets.d/#{subnet_file}"
     if node[:provisioner][:enable_pxe]
       notifies :restart, resources(service: "dhcp3-server"), :delayed
     end
@@ -52,11 +54,13 @@
     end
     new_resource.updated_by_last_action(true)
   end
-  utils_line "include \"#{filename}\";" do
-    action :remove
-    file "/etc/dhcp3/subnets.d/subnet_list.conf"
-    if node[:provisioner][:enable_pxe]
-      notifies :restart, resources(service: "dhcp3-server"), :delayed
+  ["subnet_list.conf", "subnet_list6.conf"].each do |subnet_list|
+    utils_line "include \"#{filename}\";" do
+      action :remove
+      file "/etc/dhcp3/subnets.d/#{subnet_list}"
+      if node[:provisioner][:enable_pxe]
+        notifies :restart, resources(service: "dhcp3-server"), :delayed
+      end
     end
   end
 end

chef/cookbooks/dhcp/recipes/default.rb

@@ -33,17 +33,25 @@
 directory "/etc/dhcp3/subnets.d"
 directory "/etc/dhcp3/hosts.d"
 
-file "/etc/dhcp3/groups.d/group_list.conf" do
+# This needs to be evaled.
+admin_network = Chef::Recipe::Barclamp::Inventory.get_network_by_type(node, "admin")
+address = admin_network.address
+intfs = [admin_network.interface]
+
+group_list = DhcpHelper.config_filename("group_list", admin_network.ip_version)
+file "/etc/dhcp3/groups.d/#{group_list}" do
   owner "root"
   group "root"
   mode 0644
 end
-file "/etc/dhcp3/subnets.d/subnet_list.conf" do
+subnet_list = DhcpHelper.config_filename("subnet_list", admin_network.ip_version)
+file "/etc/dhcp3/subnets.d/#{subnet_list}" do
   owner "root"
   group "root"
   mode 0644
 end
-file "/etc/dhcp3/hosts.d/host_list.conf" do
+host_list = DhcpHelper.config_filename("host_list", admin_network.ip_version)
+file "/etc/dhcp3/hosts.d/#{host_list}" do
   owner "root"
   group "root"
   mode 0644
@@ -59,22 +67,20 @@
   not_if "test -f /etc/dhcp3/omapi.key"
 end
 
-# This needs to be evaled.
-intfs = [Chef::Recipe::Barclamp::Inventory.get_network_by_type(node, "admin").interface]
-address = Chef::Recipe::Barclamp::Inventory.get_network_by_type(node, "admin").address
 
-d_opts = node[:dhcp][:options]
+d_opts = node[:dhcp][:options]["v#{admin_network.ip_version}"]
+dhcpd_conf = DhcpHelper.config_filename("dhcpd", admin_network.ip_version)
 
 case node[:platform_family]
 when "debian"
   case node[:lsb][:codename]
   when "natty","oneiric","precise"
-    template "/etc/dhcp/dhcpd.conf" do
+    template "/etc/dhcp/#{dhcpd_conf}" do
       owner "root"
       group "root"
       mode 0644
       source "dhcpd.conf.erb"
-      variables(options: d_opts)
+      variables(options: d_opts, ip_version: admin_network.ip_version)
       if node[:provisioner][:enable_pxe]
         notifies :restart, "service[dhcp3-server]"
       end
@@ -90,12 +96,12 @@
       end
     end
   else
-    template "/etc/dhcp3/dhcpd.conf" do
+    template "/etc/dhcp3/#{dhcpd_conf}" do
       owner "root"
       group "root"
       mode 0644
       source "dhcpd.conf.erb"
-      variables(options: d_opts)
+      variables(options: d_opts, ip_version: admin_network.ip_version)
       if node[:provisioner][:enable_pxe]
         notifies :restart, "service[dhcp3-server]"
       end
@@ -115,17 +121,17 @@
 
   dhcp_config_file = case
     when node[:platform_version].to_f >= 6
-      "/etc/dhcp/dhcpd.conf"
+      "/etc/dhcp/#{dhcpd_conf}"
     else
-      "/etc/dhcpd.conf"
+      "/etc/#{dhcpd_conf}"
     end
 
   template dhcp_config_file do
     owner "root"
     group "root"
     mode 0644
     source "dhcpd.conf.erb"
-    variables(options: d_opts)
+    variables(options: d_opts, ip_version: admin_network.ip_version)
     if node[:provisioner][:enable_pxe]
       notifies :restart, "service[dhcp3-server]"
     end
@@ -143,12 +149,12 @@
   end
 
 when "suse"
-  template "/etc/dhcpd.conf" do
+  template "/etc/#{dhcpd_conf}" do
     owner "root"
     group "root"
     mode 0644
     source "dhcpd.conf.erb"
-    variables(options: d_opts)
+    variables(options: d_opts, ip_version: admin_network.ip_version)
     if node[:provisioner][:enable_pxe]
       notifies :restart, "service[dhcp3-server]"
     end
@@ -168,7 +174,7 @@
 
 service "dhcp3-server" do
   if %w(suse rhel).include?(node[:platform_family])
-    service_name "dhcpd"
+    service_name DhcpHelper.config_filename("dhcpd", admin_network.ip_version, "")
   elsif node[:platform] == "ubuntu"
     case node[:lsb][:codename]
     when "maverick"

chef/cookbooks/dhcp/resources/host.rb

@@ -19,6 +19,8 @@
 attribute :hostname, kind_of: String
 attribute :macaddress, kind_of: String
 attribute :ipaddress, kind_of: String
+attribute :prefix, kind_of: String
+attribute :ip_version, kind_of: String, default: "4"
 attribute :group, kind_of: String
 attribute :options, kind_of: Array, default: []
 

chef/cookbooks/dhcp/resources/subnet.rb

@@ -20,4 +20,5 @@
 attribute :pools, kind_of: Array, default: ["dhcp"]
 attribute :pool_options, kind_of: Hash, default: { "dhcp" => ["allow unknown-hosts"] }
 attribute :options, kind_of: Array, default: []
+attribute :ip_version, kind_of: String, default: "4"
 

chef/cookbooks/dhcp/templates/default/dhcpd.conf.erb

@@ -21,6 +21,12 @@ log-facility local7;
 # Fix for https://bugzilla.opensuse.org/show_bug.cgi?id=961536
 always-reply-rfc1048 true;
 
+<% if @ip_version == "6"  -%>
+include "/etc/dhcp3/groups.d/group_list6.conf";
+include "/etc/dhcp3/subnets.d/subnet_list6.conf";
+include "/etc/dhcp3/hosts.d/host_list6.conf";
+<% else -%>
 include "/etc/dhcp3/groups.d/group_list.conf";
 include "/etc/dhcp3/subnets.d/subnet_list.conf";
 include "/etc/dhcp3/hosts.d/host_list.conf";
+<% end -%>

chef/cookbooks/dhcp/templates/default/host.conf.erb

@@ -2,7 +2,12 @@ host <%= @name %> {
   option host-name "<%= @hostname %>";
   hardware ethernet <%= @macaddress %>;
 <% if @ipaddress -%> 
+<%   if @ip_version == "6" -%>
+  fixed-address6 <%= @ipaddress %>;
+  fixed-prefix6 <%= @prefix %>;
+<%   else -%>
   fixed-address <%= @ipaddress %>;
+<%   end -%>
 <% else -%>
   deny booting;
 <% end -%>