X-Git-Url: https://git.openstreetmap.org/chef.git/blobdiff_plain/9ac3f14227e8bb96030642c60ec7adb51d36f01c..bb9cec733c3da85e8be2627afdbc09549e8bbf6b:/cookbooks/networking/recipes/default.rb

diff --git a/cookbooks/networking/recipes/default.rb b/cookbooks/networking/recipes/default.rb
index ae3a91d00..11c75daec 100644
--- a/cookbooks/networking/recipes/default.rb
+++ b/cookbooks/networking/recipes/default.rb
@@ -1,9 +1,9 @@
 #
-# 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.
@@ -23,155 +23,265 @@
 require "ipaddr"
 require "yaml"
 
-netplan = {
-  "network" => {
-    "version" => 2,
-    "renderer" => "networkd",
-    "ethernets" => {},
-    "bonds" => {},
-    "vlans" => {}
-  }
-}
+keys = data_bag_item("networking", "keys")
+
+file "/etc/netplan/00-installer-config.yaml" do
+  action :delete
+end
+
+file "/etc/netplan/01-netcfg.yaml" do
+  action :delete
+end
+
+file "/etc/netplan/50-cloud-init.yaml" do
+  action :delete
+end
+
+file "/etc/netplan/99-chef.yaml" do
+  action :delete
+end
+
+package "netplan.io" do
+  action :purge
+end
+
+package "cloud-init" do
+  action :purge
+end
+
+interfaces = node[:networking][:interfaces].collect do |name, interface|
+  [interface[:interface], name]
+end.to_h
 
 node[:networking][:interfaces].each do |name, interface|
-  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
+  if interface[:interface] =~ /^(.*)\.(\d+)$/
+    vlan_interface = Regexp.last_match(1)
+    vlan_id = Regexp.last_match(2)
 
-      node.normal[:networking][:interfaces][name][:metric] = role[:metric]
-      node.normal[:networking][:interfaces][name][:zone] = role[:zone]
-    end
+    parent = interfaces[vlan_interface] || "vlans_#{vlan_interface}"
 
-    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)
-
-    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[:bond]
-      deviceplan["interfaces"] = interface[:bond][:slaves].to_a
-
-      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
-      }
+    node.default_unless[:networking][:interfaces][parent][:interface] = vlan_interface
+    node.default_unless[:networking][:interfaces][parent][:vlans] = []
+
+    node.default[:networking][:interfaces][parent][:vlans] << vlan_id
+  end
+
+  next unless interface[:role] && (role = node[:networking][:roles][interface[:role]])
+
+  if interface[:inet] && role[:inet]
+    node.default_unless[:networking][:interfaces][name][:inet][:prefix] = role[:inet][:prefix]
+    node.default_unless[:networking][:interfaces][name][:inet][:gateway] = role[:inet][:gateway]
+    node.default_unless[:networking][:interfaces][name][:inet][:routes] = role[:inet][:routes]
+  end
+
+  if interface[:inet6] && role[:inet6]
+    node.default_unless[:networking][:interfaces][name][:inet6][:prefix] = role[:inet6][:prefix]
+    node.default_unless[:networking][:interfaces][name][:inet6][:gateway] = role[:inet6][:gateway]
+    node.default_unless[:networking][:interfaces][name][:inet6][:routes] = role[:inet6][:routes]
+  end
+
+  node.default_unless[:networking][:interfaces][name][:metric] = role[:metric]
+  node.default_unless[:networking][:interfaces][name][:zone] = role[:zone]
+end
 
-      deviceplan["parameters"]["transmit-hash-policy"] = interface[:bond][:xmithashpolicy] if interface[:bond][:xmithashpolicy]
-      deviceplan["parameters"]["lacp-rate"] = interface[:bond][:lacprate] if interface[:bond][:lacprate]
+node[:networking][:interfaces].each do |_, interface|
+  if interface[:interface] =~ /^.*\.(\d+)$/
+    template "/etc/systemd/network/10-#{interface[:interface]}.netdev" do
+      source "vlan.netdev.erb"
+      owner "root"
+      group "root"
+      mode "644"
+      variables :interface => interface, :vlan => Regexp.last_match(1)
+      notifies :run, "notify_group[networkctl-reload]"
+    end
+  elsif interface[:interface] =~ /^bond\d+$/
+    template "/etc/systemd/network/10-#{interface[:interface]}.netdev" do
+      source "bond.netdev.erb"
+      owner "root"
+      group "root"
+      mode "644"
+      variables :interface => interface
+      notifies :run, "notify_group[networkctl-reload]"
     end
 
-    if interface[:gateway]
-      if interface[:family] == "inet"
-        default_route = "0.0.0.0/0"
-      elsif interface[:family] == "inet6"
-        default_route = "::/0"
+    interface[:bond][:slaves].each do |slave|
+      template "/etc/systemd/network/10-#{slave}.network" do
+        source "slave.network.erb"
+        owner "root"
+        group "root"
+        mode "644"
+        variables :master => interface, :slave => slave
+        notifies :run, "notify_group[networkctl-reload]"
       end
+    end
+  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"
-        )
+  template "/etc/systemd/network/10-#{interface[:interface]}.network" do
+    source "network.erb"
+    owner "root"
+    group "root"
+    mode "644"
+    variables :interface => interface
+    notifies :run, "notify_group[networkctl-reload]"
+  end
+end
+
+service "systemd-networkd" do
+  action [:enable, :start]
+end
+
+if node[:networking][:wireguard][:enabled]
+  wireguard_id = persistent_token("networking", "wireguard")
+
+  node.default[:networking][:wireguard][:address] = "fd43:e709:ea6d:1:#{wireguard_id[0, 4]}:#{wireguard_id[4, 4]}:#{wireguard_id[8, 4]}:#{wireguard_id[12, 4]}"
+
+  package "wireguard-tools" do
+    compile_time true
+    options "--no-install-recommends"
+  end
+
+  directory "/var/lib/systemd/wireguard" do
+    owner "root"
+    group "systemd-network"
+    mode "750"
+    compile_time true
+  end
+
+  file "/var/lib/systemd/wireguard/private.key" do
+    action :create_if_missing
+    owner "root"
+    group "systemd-network"
+    mode "640"
+    content %x(wg genkey)
+    compile_time true
+  end
+
+  node.default[:networking][:wireguard][:public_key] = %x(wg pubkey < /var/lib/systemd/wireguard/private.key).chomp
+
+  file "/var/lib/systemd/wireguard/preshared.key" do
+    action :create_if_missing
+    owner "root"
+    group "systemd-network"
+    mode "640"
+    content keys["wireguard"]
+  end
+
+  if node[:roles].include?("gateway")
+    search(:node, "roles:gateway") do |gateway|
+      next if gateway.name == node.name
+      next unless gateway[:networking][:wireguard] && gateway[:networking][:wireguard][:enabled]
+
+      allowed_ips = gateway.ipaddresses(:role => :internal).map(&:subnet)
+
+      node.default[:networking][:wireguard][:peers] << {
+        :public_key => gateway[:networking][:wireguard][:public_key],
+        :allowed_ips => allowed_ips,
+        :endpoint => "#{gateway.name}:51820"
+      }
+    end
+
+    search(:node, "roles:prometheus") do |server|
+      allowed_ips = server.ipaddresses(:role => :internal).map(&:subnet)
+
+      if server[:networking][:private_address]
+        allowed_ips << "#{server[:networking][:private_address]}/32"
       end
+
+      node.default[:networking][:wireguard][:peers] << {
+        :public_key => server[:networking][:wireguard][:public_key],
+        :allowed_ips => allowed_ips,
+        :endpoint => "#{server.name}:51820"
+      }
+    end
+
+    node.default[:networking][:wireguard][:peers] << {
+      :public_key => "7Oj9ufNlgidyH/xDc+aHQKMjJPqTmD/ab13agMh6AxA=",
+      :allowed_ips => "10.0.16.1/32",
+      :endpoint => "gate.compton.nu:51820"
+    }
+
+    # Grant home
+    node.default[:networking][:wireguard][:peers] << {
+      :public_key => "RofATnvlWxP3mt87+QKRXFE5MVxtoCcTsJ+yftZYEE4=",
+      :allowed_ips => "10.89.122.1/32",
+      :endpoint => "gate.firefishy.com:51820"
+    }
+
+    # Grant roaming
+    node.default[:networking][:wireguard][:peers] << {
+      :public_key => "YbUkREE9TAmomqgL/4Fh2e5u2Hh7drN/2o5qg3ndRxg=",
+      :allowed_ips => "10.89.123.1/32",
+      :endpoint => "roaming.firefishy.com:51820"
+    }
+  elsif node[:roles].include?("shenron")
+    search(:node, "roles:gateway") do |gateway|
+      allowed_ips = gateway.ipaddresses(:role => :internal).map(&:subnet)
+
+      node.default[:networking][:wireguard][:peers] << {
+        :public_key => gateway[:networking][:wireguard][:public_key],
+        :allowed_ips => allowed_ips,
+        :endpoint => "#{gateway.name}:51820"
+      }
     end
-  else
-    node.rm(:networking, :interfaces, name)
   end
-end
 
-netplan["network"]["bonds"].each_value do |bond|
-  bond["interfaces"].each do |interface|
-    netplan["network"]["ethernets"][interface] ||= { "accept-ra" => false }
+  file "/etc/systemd/network/wireguard.netdev" do
+    action :delete
   end
-end
 
-netplan["network"]["vlans"].each_value do |vlan|
-  unless vlan["link"] =~ /^bond\d+$/
-    netplan["network"]["ethernets"][vlan["link"]] ||= { "accept-ra" => false }
+  template "/etc/systemd/network/10-wg0.netdev" do
+    source "wireguard.netdev.erb"
+    owner "root"
+    group "systemd-network"
+    mode "640"
+    notifies :run, "execute[networkctl-delete-wg0]"
+    notifies :run, "notify_group[networkctl-reload]"
   end
-end
 
-file "/etc/netplan/01-netcfg.yaml" do
-  action :delete
-end
+  file "/etc/systemd/network/wireguard.network" do
+    action :delete
+  end
 
-file "/etc/netplan/50-cloud-init.yaml" do
-  action :delete
-end
+  template "/etc/systemd/network/10-wg0.network" do
+    source "wireguard.network.erb"
+    owner "root"
+    group "root"
+    mode "644"
+    notifies :run, "execute[networkctl-reload]"
+  end
 
-file "/etc/netplan/99-chef.yaml" do
-  owner "root"
-  group "root"
-  mode 0o644
-  content YAML.dump(netplan)
+  execute "networkctl-delete-wg0" do
+    action :nothing
+    command "networkctl delete wg0"
+    only_if { ::File.exist?("/sys/class/net/wg0") }
+  end
 end
 
-package "cloud-init" do
-  action :purge
+notify_group "networkctl-reload"
+
+execute "networkctl-reload" do
+  action :nothing
+  command "networkctl reload"
+  subscribes :run, "notify_group[networkctl-reload]"
 end
 
-execute "hostname" do
+ohai "reload-hostname" do
   action :nothing
-  command "/bin/hostname -F /etc/hostname"
+  plugin "hostname"
 end
 
-template "/etc/hostname" do
-  source "hostname.erb"
-  owner "root"
-  group "root"
-  mode 0o644
-  notifies :run, "execute[hostname]"
+execute "hostnamectl-set-hostname" do
+  command "hostnamectl set-hostname #{node[:networking][:hostname]}"
+  notifies :reload, "ohai[reload-hostname]"
+  not_if { kitchen? || node[:hostnamectl][:static_hostname] == node[:networking][:hostname] }
 end
 
 template "/etc/hosts" do
   source "hosts.erb"
   owner "root"
   group "root"
-  mode 0o644
+  mode "644"
+  not_if { kitchen? }
 end
 
 service "systemd-resolved" do
@@ -181,291 +291,110 @@ end
 directory "/etc/systemd/resolved.conf.d" do
   owner "root"
   group "root"
-  mode 0o755
+  mode "755"
 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]"
+  mode "644"
+  notifies :restart, "service[systemd-resolved]", :immediately
 end
 
-node.interfaces(:role => :internal) do |interface|
-  if interface[:gateway] && interface[:gateway] != interface[:address]
-    search(:node, "networking_interfaces*address:#{interface[:gateway]}") do |gateway|
-      next unless gateway[:openvpn]
-
-      gateway[:openvpn][:tunnels].each_value do |tunnel|
-        if tunnel[:peer][:address] # ~FC023
-          route tunnel[:peer][:address] do
-            netmask "255.255.255.255"
-            gateway interface[:gateway]
-            device interface[:interface]
-          end
-        end
-
-        next unless tunnel[:peer][:networks]
-
-        tunnel[:peer][:networks].each do |network|
-          route network[:address] do
-            netmask network[:netmask]
-            gateway interface[:gateway]
-            device interface[:interface]
-          end
-        end
-      end
-    end
+if node[:filesystem][:by_mountpoint][:"/etc/resolv.conf"]
+  execute "umount-resolve-conf" do
+    command "umount -c /etc/resolv.conf"
   end
 end
 
-zones = {}
+link "/etc/resolv.conf" do
+  to "../run/systemd/resolve/stub-resolv.conf"
+end
+
+hosts = { :inet => [], :inet6 => [] }
 
 search(:node, "networking:interfaces").collect do |n|
   next if n[:fqdn] == node[:fqdn]
 
   n.interfaces.each do |interface|
-    next unless interface[:role] == "external" && interface[:zone]
+    next unless interface[:role] == "external"
 
-    zones[interface[:zone]] ||= {}
-    zones[interface[:zone]][interface[:family]] ||= []
-    zones[interface[:zone]][interface[:family]] << interface[:address]
+    hosts[:inet] << interface[:inet][:address] if interface[:inet]
+    hosts[:inet6] << interface[:inet6][:address] if interface[:inet6]
   end
 end
 
-package "shorewall"
+package "nftables"
 
-template "/etc/default/shorewall" do
-  source "shorewall-default.erb"
-  owner "root"
-  group "root"
-  mode 0o644
-  notifies :restart, "service[shorewall]"
-end
+interfaces = []
 
-template "/etc/shorewall/shorewall.conf" do
-  source "shorewall.conf.erb"
-  owner "root"
-  group "root"
-  mode 0o644
-  notifies :restart, "service[shorewall]"
+node.interfaces(:role => :external).each do |interface|
+  interfaces << interface[:interface]
 end
 
-template "/etc/shorewall/zones" do
-  source "shorewall-zones.erb"
+template "/etc/nftables.conf" do
+  source "nftables.conf.erb"
   owner "root"
   group "root"
-  mode 0o644
-  variables :type => "ipv4"
-  notifies :restart, "service[shorewall]"
+  mode "755"
+  variables :interfaces => interfaces, :hosts => hosts
+  notifies :reload, "service[nftables]"
 end
 
-template "/etc/shorewall/interfaces" do
-  source "shorewall-interfaces.erb"
+directory "/var/lib/nftables" do
   owner "root"
   group "root"
-  mode 0o644
-  notifies :restart, "service[shorewall]"
+  mode "755"
 end
 
-template "/etc/shorewall/hosts" do
-  source "shorewall-hosts.erb"
+template "/usr/local/bin/nftables" do
+  source "nftables.erb"
   owner "root"
   group "root"
-  mode 0o644
-  variables :zones => zones
-  notifies :restart, "service[shorewall]"
+  mode "755"
 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"
-  group "root"
-  mode 0o644
-  notifies :restart, "service[shorewall]"
-end
-
-template "/etc/shorewall/rules" do
-  source "shorewall-rules.erb"
-  owner "root"
-  group "root"
-  mode 0o644
-  variables :family => "inet"
-  notifies :restart, "service[shorewall]"
-end
-
-service "shorewall" do
-  action [:enable, :start]
-  supports :restart => true
-  status_command "shorewall status"
-end
-
-template "/etc/logrotate.d/shorewall" do
-  source "logrotate.shorewall.erb"
-  owner "root"
-  group "root"
-  mode 0o644
-  variables :name => "shorewall"
-end
-
-firewall_rule "limit-icmp-echo" do
-  action :accept
-  family :inet
-  source "net"
-  dest "fw"
-  proto "icmp"
-  dest_ports "echo-request"
-  rate_limit "s:1/sec:5"
+systemd_service "nftables-stop" do
+  action :delete
+  service "nftables"
+  dropin "stop"
 end
 
-%w[ucl ams bm].each do |zone|
-  firewall_rule "accept-openvpn-#{zone}" do
-    action :accept
-    source zone
-    dest "fw"
-    proto "udp"
-    dest_ports "1194:1197"
-    source_ports "1194:1197"
-  end
+systemd_service "nftables-chef" do
+  service "nftables"
+  dropin "chef"
+  exec_start "/usr/local/bin/nftables start"
+  exec_reload "/usr/local/bin/nftables reload"
+  exec_stop "/usr/local/bin/nftables stop"
 end
 
-if node[:roles].include?("gateway")
-  template "/etc/shorewall/masq" do
-    source "shorewall-masq.erb"
-    owner "root"
-    group "root"
-    mode 0o644
-    notifies :restart, "service[shorewall]"
+if node[:networking][:firewall][:enabled]
+  service "nftables" do
+    action [:enable, :start]
   end
 else
-  file "/etc/shorewall/masq" do
-    action :delete
-    notifies :restart, "service[shorewall]"
+  service "nftables" do
+    action [:disable, :stop]
   end
 end
 
-unless node.interfaces(:family => :inet6).empty?
-  package "shorewall6"
-
-  template "/etc/default/shorewall6" do
-    source "shorewall-default.erb"
-    owner "root"
-    group "root"
-    mode 0o644
-    notifies :restart, "service[shorewall6]"
-  end
-
-  template "/etc/shorewall6/shorewall6.conf" do
-    source "shorewall6.conf.erb"
-    owner "root"
-    group "root"
-    mode 0o644
-    notifies :restart, "service[shorewall6]"
-  end
-
-  template "/etc/shorewall6/zones" do
-    source "shorewall-zones.erb"
-    owner "root"
-    group "root"
-    mode 0o644
-    variables :type => "ipv6"
-    notifies :restart, "service[shorewall6]"
-  end
-
-  template "/etc/shorewall6/interfaces" do
-    source "shorewall6-interfaces.erb"
-    owner "root"
-    group "root"
-    mode 0o644
-    notifies :restart, "service[shorewall6]"
-  end
-
-  template "/etc/shorewall6/hosts" do
-    source "shorewall6-hosts.erb"
-    owner "root"
-    group "root"
-    mode 0o644
-    variables :zones => zones
-    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"
-    group "root"
-    mode 0o644
-    notifies :restart, "service[shorewall6]"
-  end
-
-  template "/etc/shorewall6/rules" do
-    source "shorewall-rules.erb"
-    owner "root"
-    group "root"
-    mode 0o644
-    variables :family => "inet6"
-    notifies :restart, "service[shorewall6]"
-  end
-
-  service "shorewall6" do
-    action [:enable, :start]
-    supports :restart => true
-    status_command "shorewall6 status"
-  end
-
-  template "/etc/logrotate.d/shorewall6" do
-    source "logrotate.shorewall.erb"
-    owner "root"
-    group "root"
-    mode 0o644
-    variables :name => "shorewall6"
-  end
-
-  firewall_rule "limit-icmp6-echo" do
+if node[:networking][:wireguard][:enabled]
+  firewall_rule "accept-wireguard" do
     action :accept
-    family :inet6
-    source "net"
-    dest "fw"
-    proto "ipv6-icmp"
-    dest_ports "echo-request"
-    rate_limit "s:1/sec:5"
+    context :incoming
+    protocol :udp
+    source :osm unless node[:roles].include?("gateway")
+    dest_ports "51820"
+    source_ports "51820"
   end
 end
 
 firewall_rule "accept-http" do
   action :accept
-  source "net"
-  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
-  action :accept
-  source "net"
-  dest "fw"
-  proto "tcp:syn"
-  dest_ports "https"
+  context :incoming
+  protocol :tcp
+  dest_ports %w[http https]
   rate_limit node[:networking][:firewall][:http_rate_limit]
   connection_limit node[:networking][:firewall][:http_connection_limit]
 end