X-Git-Url: https://git.openstreetmap.org./chef.git/blobdiff_plain/868dbb785525168c1d36f121bf83ebdd6c1aba51..bc6624fcc809acaf8dcdcf667e43cc5fc9bb1451:/cookbooks/networking/recipes/default.rb

diff --git a/cookbooks/networking/recipes/default.rb b/cookbooks/networking/recipes/default.rb
index 0ed0841bf..dfa73f196 100644
--- a/cookbooks/networking/recipes/default.rb
+++ b/cookbooks/networking/recipes/default.rb
@@ -1,15 +1,15 @@
 #
-# Cookbook Name:: networking
+# Cookbook:: networking
 # Recipe:: default
 #
-# Copyright 2010, OpenStreetMap Foundation.
-# Copyright 2009, Opscode, Inc.
+# Copyright:: 2010, OpenStreetMap Foundation.
+# Copyright:: 2009, Opscode, Inc.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
 #
-#     http://www.apache.org/licenses/LICENSE-2.0
+#     https://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
@@ -21,36 +21,143 @@
 # * node[:networking][:nameservers]
 
 require "ipaddr"
-
-network_packages = []
+require "yaml"
+
+netplan = {
+  "network" => {
+    "version" => 2,
+    "renderer" => "networkd",
+    "ethernets" => {},
+    "bonds" => {},
+    "vlans" => {}
+  }
+}
 
 node[:networking][:interfaces].each do |name, interface|
-  network_packages |= ["vlan"] if interface[:interface] =~ /\.\d+$/
-  network_packages |= ["ifenslave"] if interface[:bond]
+  if interface[:interface]
+    if interface[:role] && (role = node[:networking][:roles][interface[:role]])
+      if role[interface[:family]]
+        node.normal[:networking][:interfaces][name][:prefix] = role[interface[:family]][:prefix]
+        node.normal[:networking][:interfaces][name][:gateway] = role[interface[:family]][:gateway]
+      end
+
+      node.normal[:networking][:interfaces][name][:metric] = role[:metric]
+      node.normal[:networking][:interfaces][name][:zone] = role[:zone]
+    end
+
+    prefix = node[:networking][:interfaces][name][:prefix]
+
+    node.normal[:networking][:interfaces][name][:netmask] = (~IPAddr.new(interface[:address]).mask(0)).mask(prefix)
+    node.normal[:networking][:interfaces][name][:network] = IPAddr.new(interface[:address]).mask(prefix)
+
+    interface = node[:networking][:interfaces][name]
+
+    deviceplan = if interface[:interface] =~ /^(.*)\.(\d+)$/
+                   netplan["network"]["vlans"][interface[:interface]] ||= {
+                     "id" => Regexp.last_match(2).to_i,
+                     "link" => Regexp.last_match(1),
+                     "accept-ra" => false,
+                     "addresses" => [],
+                     "routes" => []
+                   }
+                 elsif interface[:interface] =~ /^bond\d+$/
+                   netplan["network"]["bonds"][interface[:interface]] ||= {
+                     "accept-ra" => false,
+                     "addresses" => [],
+                     "routes" => []
+                   }
+                 else
+                   netplan["network"]["ethernets"][interface[:interface]] ||= {
+                     "accept-ra" => false,
+                     "addresses" => [],
+                     "routes" => []
+                   }
+                 end
+
+    deviceplan["addresses"].push("#{interface[:address]}/#{prefix}")
+
+    if interface[:mtu]
+      deviceplan["mtu"] = interface[:mtu]
+    end
+
+    if interface[:bond]
+      deviceplan["interfaces"] = interface[:bond][:slaves].to_a
 
-  if interface[:role] && (role = node[:networking][:roles][interface[:role]])
-    if role[interface[:family]]
-      node.normal[:networking][:interfaces][name][:prefix] = role[interface[:family]][:prefix]
-      node.normal[:networking][:interfaces][name][:gateway] = role[interface[:family]][:gateway]
+      deviceplan["parameters"] = {
+        "mode" => interface[:bond][:mode] || "active-backup",
+        "primary" => interface[:bond][:slaves].first,
+        "mii-monitor-interval" => interface[:bond][:miimon] || 100,
+        "down-delay" => interface[:bond][:downdelay] || 200,
+        "up-delay" => interface[:bond][:updelay] || 200
+      }
+
+      deviceplan["parameters"]["transmit-hash-policy"] = interface[:bond][:xmithashpolicy] if interface[:bond][:xmithashpolicy]
+      deviceplan["parameters"]["lacp-rate"] = interface[:bond][:lacprate] if interface[:bond][:lacprate]
+    end
+
+    if interface[:gateway]
+      if interface[:family] == "inet"
+        default_route = "0.0.0.0/0"
+      elsif interface[:family] == "inet6"
+        default_route = "::/0"
+      end
+
+      deviceplan["routes"].push(
+        "to" => default_route,
+        "via" => interface[:gateway],
+        "metric" => interface[:metric],
+        "on-link" => true
+      )
+
+      # This ordering relies on systemd-networkd adding routes
+      # in reverse order and will need moving before the previous
+      # route once that is fixed:
+      #
+      # https://github.com/systemd/systemd/issues/5430
+      # https://github.com/systemd/systemd/pull/10938
+      if interface[:family] == "inet6" &&
+         !interface[:network].include?(interface[:gateway]) &&
+         !IPAddr.new("fe80::/64").include?(interface[:gateway])
+        deviceplan["routes"].push(
+          "to" => interface[:gateway],
+          "scope" => "link"
+        )
+      end
     end
+  else
+    node.rm(:networking, :interfaces, name)
+  end
+end
 
-    node.normal[:networking][:interfaces][name][:metric] = role[:metric]
-    node.normal[:networking][:interfaces][name][:zone] = role[:zone]
+netplan["network"]["bonds"].each_value do |bond|
+  bond["interfaces"].each do |interface|
+    netplan["network"]["ethernets"][interface] ||= { "accept-ra" => false }
   end
+end
 
-  prefix = node[:networking][:interfaces][name][:prefix]
+netplan["network"]["vlans"].each_value do |vlan|
+  unless vlan["link"] =~ /^bond\d+$/
+    netplan["network"]["ethernets"][vlan["link"]] ||= { "accept-ra" => false }
+  end
+end
 
-  node.normal[:networking][:interfaces][name][:netmask] = (~IPAddr.new(interface[:address]).mask(0)).mask(prefix)
-  node.normal[:networking][:interfaces][name][:network] = IPAddr.new(interface[:address]).mask(prefix)
+file "/etc/netplan/01-netcfg.yaml" do
+  action :delete
 end
 
-package network_packages
+file "/etc/netplan/50-cloud-init.yaml" do
+  action :delete
+end
 
-template "/etc/network/interfaces" do
-  source "interfaces.erb"
+file "/etc/netplan/99-chef.yaml" do
   owner "root"
   group "root"
   mode 0o644
+  content YAML.dump(netplan)
+end
+
+package "cloud-init" do
+  action :purge
 end
 
 execute "hostname" do
@@ -73,20 +180,33 @@ template "/etc/hosts" do
   mode 0o644
 end
 
-unless node[:networking][:nameservers].empty?
-  link "/etc/resolv.conf" do
-    action :delete
-    link_type :symbolic
-    to "/run/resolvconf/resolv.conf"
-    only_if { File.symlink?("/etc/resolv.conf") }
-  end
+service "systemd-resolved" do
+  action [:enable, :start]
+end
 
-  template "/etc/resolv.conf" do
-    source "resolv.conf.erb"
-    owner "root"
-    group "root"
-    mode 0o644
-  end
+directory "/etc/systemd/resolved.conf.d" do
+  owner "root"
+  group "root"
+  mode 0o755
+end
+
+template "/etc/systemd/resolved.conf.d/99-chef.conf" do
+  source "resolved.conf.erb"
+  owner "root"
+  group "root"
+  mode 0o644
+  notifies :restart, "service[systemd-resolved]"
+end
+
+if node[:networking][:tcp_fastopen_key]
+  fastopen_keys = data_bag_item("networking", "fastopen")
+
+  node.normal[:sysctl][:tcp_fastopen] = {
+    :comment => "Set shared key for TCP fast open",
+    :parameters => {
+      "net.ipv4.tcp_fastopen_key" => fastopen_keys[node[:networking][:tcp_fastopen_key]]
+    }
+  }
 end
 
 node.interfaces(:role => :internal) do |interface|
@@ -95,7 +215,7 @@ node.interfaces(:role => :internal) do |interface|
       next unless gateway[:openvpn]
 
       gateway[:openvpn][:tunnels].each_value do |tunnel|
-        if tunnel[:peer][:address] # ~FC023
+        if tunnel[:peer][:address]
           route tunnel[:peer][:address] do
             netmask "255.255.255.255"
             gateway interface[:gateway]
@@ -175,6 +295,15 @@ template "/etc/shorewall/hosts" do
   notifies :restart, "service[shorewall]"
 end
 
+template "/etc/shorewall/conntrack" do
+  source "shorewall-conntrack.erb"
+  owner "root"
+  group "root"
+  mode 0o644
+  notifies :restart, "service[shorewall]"
+  only_if { node[:networking][:firewall][:raw] }
+end
+
 template "/etc/shorewall/policy" do
   source "shorewall-policy.erb"
   owner "root"
@@ -216,10 +345,9 @@ firewall_rule "limit-icmp-echo" do
   rate_limit "s:1/sec:5"
 end
 
-%w(ucl ic bm aws).each do |zone|
+%w[ucl ams bm].each do |zone|
   firewall_rule "accept-openvpn-#{zone}" do
     action :accept
-    family :inet
     source zone
     dest "fw"
     proto "udp"
@@ -288,6 +416,15 @@ unless node.interfaces(:family => :inet6).empty?
     notifies :restart, "service[shorewall6]"
   end
 
+  template "/etc/shorewall6/conntrack" do
+    source "shorewall-conntrack.erb"
+    owner "root"
+    group "root"
+    mode 0o644
+    notifies :restart, "service[shorewall6]"
+    only_if { node[:networking][:firewall][:raw] }
+  end
+
   template "/etc/shorewall6/policy" do
     source "shorewall-policy.erb"
     owner "root"
@@ -336,6 +473,8 @@ firewall_rule "accept-http" do
   dest "fw"
   proto "tcp:syn"
   dest_ports "http"
+  rate_limit node[:networking][:firewall][:http_rate_limit]
+  connection_limit node[:networking][:firewall][:http_connection_limit]
 end
 
 firewall_rule "accept-https" do
@@ -344,4 +483,6 @@ firewall_rule "accept-https" do
   dest "fw"
   proto "tcp:syn"
   dest_ports "https"
+  rate_limit node[:networking][:firewall][:http_rate_limit]
+  connection_limit node[:networking][:firewall][:http_connection_limit]
 end