2 # Cookbook:: networking
 
   5 # Copyright:: 2010, OpenStreetMap Foundation.
 
   6 # Copyright:: 2009, Opscode, Inc.
 
   8 # Licensed under the Apache License, Version 2.0 (the "License");
 
   9 # you may not use this file except in compliance with the License.
 
  10 # You may obtain a copy of the License at
 
  12 #     https://www.apache.org/licenses/LICENSE-2.0
 
  14 # Unless required by applicable law or agreed to in writing, software
 
  15 # distributed under the License is distributed on an "AS IS" BASIS,
 
  16 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 
  17 # See the License for the specific language governing permissions and
 
  18 # limitations under the License.
 
  21 # * node[:networking][:nameservers]
 
  31     "renderer" => "networkd",
 
  38 node[:networking][:interfaces].each do |name, interface|
 
  39   if interface[:interface]
 
  40     if interface[:role] && (role = node[:networking][:roles][interface[:role]])
 
  41       if role[interface[:family]]
 
  42         node.normal[:networking][:interfaces][name][:prefix] = role[interface[:family]][:prefix]
 
  43         node.normal[:networking][:interfaces][name][:gateway] = role[interface[:family]][:gateway]
 
  44         node.normal[:networking][:interfaces][name][:routes] = role[interface[:family]][:routes]
 
  47       node.normal[:networking][:interfaces][name][:metric] = role[:metric]
 
  48       node.normal[:networking][:interfaces][name][:zone] = role[:zone]
 
  51     prefix = node[:networking][:interfaces][name][:prefix]
 
  53     node.normal[:networking][:interfaces][name][:netmask] = (~IPAddr.new(interface[:address]).mask(0)).mask(prefix)
 
  54     node.normal[:networking][:interfaces][name][:network] = IPAddr.new(interface[:address]).mask(prefix)
 
  56     interface = node[:networking][:interfaces][name]
 
  58     deviceplan = if interface[:interface] =~ /^(.*)\.(\d+)$/
 
  59                    netplan["network"]["vlans"][interface[:interface]] ||= {
 
  60                      "id" => Regexp.last_match(2).to_i,
 
  61                      "link" => Regexp.last_match(1),
 
  66                  elsif interface[:interface] =~ /^bond\d+$/
 
  67                    netplan["network"]["bonds"][interface[:interface]] ||= {
 
  73                    netplan["network"]["ethernets"][interface[:interface]] ||= {
 
  80     deviceplan["addresses"].push("#{interface[:address]}/#{prefix}")
 
  83       deviceplan["mtu"] = interface[:mtu]
 
  87       deviceplan["interfaces"] = interface[:bond][:slaves].to_a
 
  89       deviceplan["parameters"] = {
 
  90         "mode" => interface[:bond][:mode] || "active-backup",
 
  91         "primary" => interface[:bond][:slaves].first,
 
  92         "mii-monitor-interval" => interface[:bond][:miimon] || 100,
 
  93         "down-delay" => interface[:bond][:downdelay] || 200,
 
  94         "up-delay" => interface[:bond][:updelay] || 200
 
  97       deviceplan["parameters"]["transmit-hash-policy"] = interface[:bond][:xmithashpolicy] if interface[:bond][:xmithashpolicy]
 
  98       deviceplan["parameters"]["lacp-rate"] = interface[:bond][:lacprate] if interface[:bond][:lacprate]
 
 101     if interface[:gateway]
 
 102       if interface[:family] == "inet"
 
 103         default_route = "0.0.0.0/0"
 
 104       elsif interface[:family] == "inet6"
 
 105         default_route = "::/0"
 
 108       deviceplan["routes"].push(
 
 109         "to" => default_route,
 
 110         "via" => interface[:gateway],
 
 111         "metric" => interface[:metric],
 
 115       # This ordering relies on systemd-networkd adding routes
 
 116       # in reverse order and will need moving before the previous
 
 117       # route once that is fixed:
 
 119       # https://github.com/systemd/systemd/issues/5430
 
 120       # https://github.com/systemd/systemd/pull/10938
 
 121       if interface[:family] == "inet6" &&
 
 122          !interface[:network].include?(interface[:gateway]) &&
 
 123          !IPAddr.new("fe80::/64").include?(interface[:gateway])
 
 124         deviceplan["routes"].push(
 
 125           "to" => interface[:gateway],
 
 131     if interface[:routes]
 
 132       interface[:routes].each do |to, parameters|
 
 137         route["type"] = parameters[:type] if parameters[:type]
 
 138         route["via"] = parameters[:via] if parameters[:via]
 
 139         route["metric"] = parameters[:metric] if parameters[:metric]
 
 141         deviceplan["routes"].push(route)
 
 145     node.rm(:networking, :interfaces, name)
 
 149 netplan["network"]["bonds"].each_value do |bond|
 
 150   bond["interfaces"].each do |interface|
 
 151     netplan["network"]["ethernets"][interface] ||= { "accept-ra" => false }
 
 155 netplan["network"]["vlans"].each_value do |vlan|
 
 156   unless vlan["link"] =~ /^bond\d+$/
 
 157     netplan["network"]["ethernets"][vlan["link"]] ||= { "accept-ra" => false }
 
 161 file "/etc/netplan/01-netcfg.yaml" do
 
 165 file "/etc/netplan/50-cloud-init.yaml" do
 
 169 file "/etc/netplan/99-chef.yaml" do
 
 173   content YAML.dump(netplan)
 
 176 package "cloud-init" do
 
 180 execute "hostname" do
 
 182   command "/bin/hostname -F /etc/hostname"
 
 185 template "/etc/hostname" do
 
 186   source "hostname.erb"
 
 190   notifies :run, "execute[hostname]"
 
 193 template "/etc/hosts" do
 
 200 service "systemd-resolved" do
 
 201   action [:enable, :start]
 
 204 directory "/etc/systemd/resolved.conf.d" do
 
 210 template "/etc/systemd/resolved.conf.d/99-chef.conf" do
 
 211   source "resolved.conf.erb"
 
 215   notifies :restart, "service[systemd-resolved]", :immediately
 
 218 if node[:filesystem][:by_mountpoint][:"/etc/resolv.conf"]
 
 219   mount "/etc/resolv.conf" do
 
 221     device node[:filesystem][:by_mountpoint][:"/etc/resolv.conf"][:devices].first
 
 225 link "/etc/resolv.conf" do
 
 226   to "../run/systemd/resolve/stub-resolv.conf"
 
 229 if node[:networking][:tcp_fastopen_key]
 
 230   fastopen_keys = data_bag_item("networking", "fastopen")
 
 232   node.normal[:sysctl][:tcp_fastopen] = {
 
 233     :comment => "Set shared key for TCP fast open",
 
 235       "net.ipv4.tcp_fastopen_key" => fastopen_keys[node[:networking][:tcp_fastopen_key]]
 
 240 node.interfaces(:role => :internal) do |interface|
 
 241   if interface[:gateway] && interface[:gateway] != interface[:address]
 
 242     search(:node, "networking_interfaces*address:#{interface[:gateway]}") do |gateway|
 
 243       next unless gateway[:openvpn]
 
 245       gateway[:openvpn][:tunnels].each_value do |tunnel|
 
 246         if tunnel[:peer][:address]
 
 247           route tunnel[:peer][:address] do
 
 248             netmask "255.255.255.255"
 
 249             gateway interface[:gateway]
 
 250             device interface[:interface]
 
 254         next unless tunnel[:peer][:networks]
 
 256         tunnel[:peer][:networks].each do |network|
 
 257           route network[:address] do
 
 258             netmask network[:netmask]
 
 259             gateway interface[:gateway]
 
 260             device interface[:interface]
 
 270 search(:node, "networking:interfaces").collect do |n|
 
 271   next if n[:fqdn] == node[:fqdn]
 
 273   n.interfaces.each do |interface|
 
 274     next unless interface[:role] == "external" && interface[:zone]
 
 276     zones[interface[:zone]] ||= {}
 
 277     zones[interface[:zone]][interface[:family]] ||= []
 
 278     zones[interface[:zone]][interface[:family]] << interface[:address]
 
 284 template "/etc/default/shorewall" do
 
 285   source "shorewall-default.erb"
 
 289   notifies :restart, "service[shorewall]"
 
 292 template "/etc/shorewall/shorewall.conf" do
 
 293   source "shorewall.conf.erb"
 
 297   notifies :restart, "service[shorewall]"
 
 300 template "/etc/shorewall/zones" do
 
 301   source "shorewall-zones.erb"
 
 305   variables :type => "ipv4"
 
 306   notifies :restart, "service[shorewall]"
 
 309 template "/etc/shorewall/interfaces" do
 
 310   source "shorewall-interfaces.erb"
 
 314   notifies :restart, "service[shorewall]"
 
 317 template "/etc/shorewall/hosts" do
 
 318   source "shorewall-hosts.erb"
 
 322   variables :zones => zones
 
 323   notifies :restart, "service[shorewall]"
 
 326 template "/etc/shorewall/conntrack" do
 
 327   source "shorewall-conntrack.erb"
 
 331   notifies :restart, "service[shorewall]"
 
 332   only_if { node[:networking][:firewall][:raw] }
 
 335 template "/etc/shorewall/policy" do
 
 336   source "shorewall-policy.erb"
 
 340   notifies :restart, "service[shorewall]"
 
 343 template "/etc/shorewall/rules" do
 
 344   source "shorewall-rules.erb"
 
 348   variables :family => "inet"
 
 349   notifies :restart, "service[shorewall]"
 
 352 service "shorewall" do
 
 353   action [:enable, :start]
 
 354   supports :restart => true
 
 355   status_command "shorewall status"
 
 358 template "/etc/logrotate.d/shorewall" do
 
 359   source "logrotate.shorewall.erb"
 
 363   variables :name => "shorewall"
 
 366 firewall_rule "limit-icmp-echo" do
 
 372   dest_ports "echo-request"
 
 373   rate_limit "s:1/sec:5"
 
 376 %w[ucl ams bm].each do |zone|
 
 377   firewall_rule "accept-openvpn-#{zone}" do
 
 382     dest_ports "1194:1197"
 
 383     source_ports "1194:1197"
 
 387 if node[:roles].include?("gateway")
 
 388   template "/etc/shorewall/masq" do
 
 389     source "shorewall-masq.erb"
 
 393     notifies :restart, "service[shorewall]"
 
 396   file "/etc/shorewall/masq" do
 
 398     notifies :restart, "service[shorewall]"
 
 402 unless node.interfaces(:family => :inet6).empty?
 
 405   template "/etc/default/shorewall6" do
 
 406     source "shorewall-default.erb"
 
 410     notifies :restart, "service[shorewall6]"
 
 413   template "/etc/shorewall6/shorewall6.conf" do
 
 414     source "shorewall6.conf.erb"
 
 418     notifies :restart, "service[shorewall6]"
 
 421   template "/etc/shorewall6/zones" do
 
 422     source "shorewall-zones.erb"
 
 426     variables :type => "ipv6"
 
 427     notifies :restart, "service[shorewall6]"
 
 430   template "/etc/shorewall6/interfaces" do
 
 431     source "shorewall6-interfaces.erb"
 
 435     notifies :restart, "service[shorewall6]"
 
 438   template "/etc/shorewall6/hosts" do
 
 439     source "shorewall6-hosts.erb"
 
 443     variables :zones => zones
 
 444     notifies :restart, "service[shorewall6]"
 
 447   template "/etc/shorewall6/conntrack" do
 
 448     source "shorewall-conntrack.erb"
 
 452     notifies :restart, "service[shorewall6]"
 
 453     only_if { node[:networking][:firewall][:raw] }
 
 456   template "/etc/shorewall6/policy" do
 
 457     source "shorewall-policy.erb"
 
 461     notifies :restart, "service[shorewall6]"
 
 464   template "/etc/shorewall6/rules" do
 
 465     source "shorewall-rules.erb"
 
 469     variables :family => "inet6"
 
 470     notifies :restart, "service[shorewall6]"
 
 473   service "shorewall6" do
 
 474     action [:enable, :start]
 
 475     supports :restart => true
 
 476     status_command "shorewall6 status"
 
 479   template "/etc/logrotate.d/shorewall6" do
 
 480     source "logrotate.shorewall.erb"
 
 484     variables :name => "shorewall6"
 
 487   firewall_rule "limit-icmp6-echo" do
 
 493     dest_ports "echo-request"
 
 494     rate_limit "s:1/sec:5"
 
 498 firewall_rule "accept-http" do
 
 504   rate_limit node[:networking][:firewall][:http_rate_limit]
 
 505   connection_limit node[:networking][:firewall][:http_connection_limit]
 
 508 firewall_rule "accept-https" do
 
 514   rate_limit node[:networking][:firewall][:http_rate_limit]
 
 515   connection_limit node[:networking][:firewall][:http_connection_limit]