X-Git-Url: https://git.openstreetmap.org/chef.git/blobdiff_plain/3a4d52bd4c0f8e6ae7679145846b7bc7845d8ace..e29e45b6cf7d91f3349a22b41e6ee5b23887e922:/cookbooks/networking/recipes/default.rb

diff --git a/cookbooks/networking/recipes/default.rb b/cookbooks/networking/recipes/default.rb
index ec6749fe7..8b6b1f35f 100644
--- a/cookbooks/networking/recipes/default.rb
+++ b/cookbooks/networking/recipes/default.rb
@@ -9,7 +9,7 @@
 # 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,
@@ -21,29 +21,143 @@
 # * node[:networking][:nameservers]
 
 require "ipaddr"
+require "yaml"
+
+netplan = {
+  "network" => {
+    "version" => 2,
+    "renderer" => "networkd",
+    "ethernets" => {},
+    "bonds" => {},
+    "vlans" => {}
+  }
+}
 
 node[:networking][:interfaces].each do |name, interface|
-  if interface[:role] && role = node[:networking][:roles][interface[:role]]
-    if role[interface[:family]]
-      node.default[:networking][:interfaces][name][:prefix] = role[interface[:family]][:prefix]
-      node.default[:networking][:interfaces][name][:gateway] = role[interface[:family]][:gateway]
+  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
+
+      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
 
-    node.default[:networking][:interfaces][name][:metric] = role[:metric]
-    node.default[:networking][:interfaces][name][:zone] = role[:zone]
+    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
+
+netplan["network"]["bonds"].each_value do |bond|
+  bond["interfaces"].each do |interface|
+    netplan["network"]["ethernets"][interface] ||= { "accept-ra" => false }
   end
+end
+
+netplan["network"]["vlans"].each_value do |vlan|
+  unless vlan["link"] =~ /^bond\d+$/
+    netplan["network"]["ethernets"][vlan["link"]] ||= { "accept-ra" => false }
+  end
+end
 
-  prefix = node[:networking][:interfaces][name][:prefix]
+file "/etc/netplan/01-netcfg.yaml" do
+  action :delete
+end
 
-  node.default[:networking][:interfaces][name][:netmask] = (~IPAddr.new(interface[:address]).mask(0)).mask(prefix)
-  node.default[:networking][:interfaces][name][:network] = IPAddr.new(interface[:address]).mask(prefix)
+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 0644
+  mode 0o644
+  content YAML.dump(netplan)
+end
+
+package "cloud-init" do
+  action :purge
 end
 
 execute "hostname" do
@@ -55,7 +169,7 @@ template "/etc/hostname" do
   source "hostname.erb"
   owner "root"
   group "root"
-  mode 0644
+  mode 0o644
   notifies :run, "execute[hostname]"
 end
 
@@ -63,44 +177,59 @@ template "/etc/hosts" do
   source "hosts.erb"
   owner "root"
   group "root"
-  mode 0644
+  mode 0o644
 end
 
-link "/etc/resolv.conf" do
-  action :delete
-  link_type :symbolic
-  to "/run/resolvconf/resolv.conf"
-  only_if { File.symlink?("/etc/resolv.conf") }
+service "systemd-resolved" do
+  action [:enable, :start]
+end
+
+directory "/etc/systemd/resolved.conf.d" do
+  owner "root"
+  group "root"
+  mode 0o755
 end
 
-template "/etc/resolv.conf" do
-  source "resolv.conf.erb"
+template "/etc/systemd/resolved.conf.d/99-chef.conf" do
+  source "resolved.conf.erb"
   owner "root"
   group "root"
-  mode 0644
+  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|
   if interface[:gateway] && interface[:gateway] != interface[:address]
     search(:node, "networking_interfaces*address:#{interface[:gateway]}") do |gateway|
-      if gateway[:openvpn]
-        gateway[:openvpn][:tunnels].each_value do |tunnel|
-          if tunnel[:peer][:address]
-            route tunnel[:peer][:address] do
-              netmask "255.255.255.255"
-              gateway interface[:gateway]
-              device interface[:interface]
-            end
+      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]
 
-          if tunnel[:peer][:networks]
-            tunnel[:peer][:networks].each do |network|
-              route network[:address] do
-                netmask network[:netmask]
-                gateway interface[:gateway]
-                device interface[:interface]
-              end
-            end
+        tunnel[:peer][:networks].each do |network|
+          route network[:address] do
+            netmask network[:netmask]
+            gateway interface[:gateway]
+            device interface[:interface]
           end
         end
       end
@@ -111,30 +240,24 @@ end
 zones = {}
 
 search(:node, "networking:interfaces").collect do |n|
-  if n[:fqdn] != node[:fqdn]
-    n.interfaces.each do |interface|
-      if interface[:role] == "external" && interface[:zone]
-        zones[interface[:zone]] ||= Hash.new
-        zones[interface[:zone]][interface[:family]] ||= Array.new
-        zones[interface[:zone]][interface[:family]] << interface[:address]
-      end
-    end
+  next if n[:fqdn] == node[:fqdn]
+
+  n.interfaces.each do |interface|
+    next unless interface[:role] == "external" && interface[:zone]
+
+    zones[interface[:zone]] ||= {}
+    zones[interface[:zone]][interface[:family]] ||= []
+    zones[interface[:zone]][interface[:family]] << interface[:address]
   end
 end
 
 package "shorewall"
 
-service "shorewall" do
-  action [ :enable, :start ]
-  supports :restart => true
-  status_command "shorewall status"
-end
-
 template "/etc/default/shorewall" do
   source "shorewall-default.erb"
   owner "root"
   group "root"
-  mode 0644
+  mode 0o644
   notifies :restart, "service[shorewall]"
 end
 
@@ -142,7 +265,7 @@ template "/etc/shorewall/shorewall.conf" do
   source "shorewall.conf.erb"
   owner "root"
   group "root"
-  mode 0644
+  mode 0o644
   notifies :restart, "service[shorewall]"
 end
 
@@ -150,7 +273,7 @@ template "/etc/shorewall/zones" do
   source "shorewall-zones.erb"
   owner "root"
   group "root"
-  mode 0644
+  mode 0o644
   variables :type => "ipv4"
   notifies :restart, "service[shorewall]"
 end
@@ -159,7 +282,7 @@ template "/etc/shorewall/interfaces" do
   source "shorewall-interfaces.erb"
   owner "root"
   group "root"
-  mode 0644
+  mode 0o644
   notifies :restart, "service[shorewall]"
 end
 
@@ -167,16 +290,25 @@ template "/etc/shorewall/hosts" do
   source "shorewall-hosts.erb"
   owner "root"
   group "root"
-  mode 0644
+  mode 0o644
   variables :zones => zones
   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"
   group "root"
-  mode 0644
+  mode 0o644
   notifies :restart, "service[shorewall]"
 end
 
@@ -184,11 +316,25 @@ template "/etc/shorewall/rules" do
   source "shorewall-rules.erb"
   owner "root"
   group "root"
-  mode 0644
-  variables :rules => []
+  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
@@ -199,15 +345,14 @@ firewall_rule "limit-icmp-echo" do
   rate_limit "s:1/sec:5"
 end
 
-%w(ucl ic bm).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"
-    dest_ports "1194:1196"
-    source_ports "1194:1196"
+    dest_ports "1194:1197"
+    source_ports "1194:1197"
   end
 end
 
@@ -216,7 +361,7 @@ if node[:roles].include?("gateway")
     source "shorewall-masq.erb"
     owner "root"
     group "root"
-    mode 0644
+    mode 0o644
     notifies :restart, "service[shorewall]"
   end
 else
@@ -229,17 +374,11 @@ end
 unless node.interfaces(:family => :inet6).empty?
   package "shorewall6"
 
-  service "shorewall6" do
-    action [ :enable, :start ]
-    supports :restart => true
-    status_command "shorewall6 status"
-  end
-
   template "/etc/default/shorewall6" do
     source "shorewall-default.erb"
     owner "root"
     group "root"
-    mode 0644
+    mode 0o644
     notifies :restart, "service[shorewall6]"
   end
 
@@ -247,7 +386,7 @@ unless node.interfaces(:family => :inet6).empty?
     source "shorewall6.conf.erb"
     owner "root"
     group "root"
-    mode 0644
+    mode 0o644
     notifies :restart, "service[shorewall6]"
   end
 
@@ -255,7 +394,7 @@ unless node.interfaces(:family => :inet6).empty?
     source "shorewall-zones.erb"
     owner "root"
     group "root"
-    mode 0644
+    mode 0o644
     variables :type => "ipv6"
     notifies :restart, "service[shorewall6]"
   end
@@ -264,7 +403,7 @@ unless node.interfaces(:family => :inet6).empty?
     source "shorewall6-interfaces.erb"
     owner "root"
     group "root"
-    mode 0644
+    mode 0o644
     notifies :restart, "service[shorewall6]"
   end
 
@@ -272,16 +411,25 @@ unless node.interfaces(:family => :inet6).empty?
     source "shorewall6-hosts.erb"
     owner "root"
     group "root"
-    mode 0644
+    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 0644
+    mode 0o644
     notifies :restart, "service[shorewall6]"
   end
 
@@ -289,11 +437,25 @@ unless node.interfaces(:family => :inet6).empty?
     source "shorewall-rules.erb"
     owner "root"
     group "root"
-    mode 0644
-    variables :rules => []
+    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
     action :accept
     family :inet6
@@ -311,6 +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
@@ -319,4 +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