X-Git-Url: https://git.openstreetmap.org/chef.git/blobdiff_plain/dcccc2dc1ebc77dd2254a23af97bcfb270b760be..4320650b9a9b95fe45992f59255d6f81f3c7e75f:/cookbooks/networking/recipes/default.rb

diff --git a/cookbooks/networking/recipes/default.rb b/cookbooks/networking/recipes/default.rb
index 20a696cec..0ae4a12fb 100644
--- a/cookbooks/networking/recipes/default.rb
+++ b/cookbooks/networking/recipes/default.rb
@@ -23,6 +23,8 @@
 require "ipaddr"
 require "yaml"
 
+keys = data_bag_item("networking", "keys")
+
 package "netplan.io"
 
 netplan = {
@@ -102,7 +104,7 @@ node[:networking][:interfaces].each do |name, interface|
       deviceplan["parameters"]["lacp-rate"] = interface[:bond][:lacprate] if interface[:bond][:lacprate]
     end
 
-    if interface[:gateway]
+    if interface[:gateway] && interface[:gateway] != interface[:address]
       if interface[:family] == "inet"
         default_route = "0.0.0.0/0"
       elsif interface[:family] == "inet6"
@@ -130,48 +132,12 @@ node[:networking][:interfaces].each do |name, interface|
           "scope" => "link"
         )
       end
-
-      if interface[:role] == "internal" && 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]
-              deviceplan["routes"].push(
-                "to" => "#{tunnel[:peer][:address]}/32",
-                "via" => interface[:gateway]
-              )
-
-              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|
-              prefix = IPAddr.new("#{network[:address]}/#{network[:netmask]}").prefix
-
-              deviceplan["routes"].push(
-                "to" => "#{network[:address]}/#{prefix}",
-                "via" => interface[:gateway]
-              )
-
-              route network[:address] do
-                netmask network[:netmask]
-                gateway interface[:gateway]
-                device interface[:interface]
-              end
-            end
-          end
-        end
-      end
     end
 
     if interface[:routes]
       interface[:routes].each do |to, parameters|
+        next if parameters[:via] == interface[:address]
+
         route = {
           "to" => to
         }
@@ -190,7 +156,7 @@ end
 
 netplan["network"]["bonds"].each_value do |bond|
   bond["interfaces"].each do |interface|
-    netplan["network"]["ethernets"][interface] ||= { "accept-ra" => false }
+    netplan["network"]["ethernets"][interface] ||= { "accept-ra" => false, "optional" => true }
   end
 end
 
@@ -200,6 +166,10 @@ netplan["network"]["vlans"].each_value do |vlan|
   end
 end
 
+file "/etc/netplan/00-installer-config.yaml" do
+  action :delete
+end
+
 file "/etc/netplan/01-netcfg.yaml" do
   action :delete
 end
@@ -219,6 +189,152 @@ package "cloud-init" do
   action :purge
 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
+  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.interfaces(:role => :internal).map do |interface|
+        "#{interface[:network]}/#{interface[:prefix]}"
+      end
+
+      node.default[:networking][:wireguard][:peers] << {
+        :public_key => gateway[:networking][:wireguard][:public_key],
+        :allowed_ips => allowed_ips,
+        :endpoint => "#{gateway.name}:51820"
+      }
+    end
+
+    search(:node, "roles:shenron OR roles:prometheus") do |server|
+      allowed_ips = server.interfaces(:role => :internal).map do |interface|
+        "#{interface[:network]}/#{interface[:prefix]}"
+      end
+
+      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.interfaces(:role => :internal).map do |interface|
+        "#{interface[:network]}/#{interface[:prefix]}"
+      end
+
+      node.default[:networking][:wireguard][:peers] << {
+        :public_key => gateway[:networking][:wireguard][:public_key],
+        :allowed_ips => allowed_ips,
+        :endpoint => "#{gateway.name}:51820"
+      }
+    end
+  end
+
+  template "/etc/systemd/network/wireguard.netdev" do
+    source "wireguard.netdev.erb"
+    owner "root"
+    group "systemd-network"
+    mode "640"
+  end
+
+  template "/etc/systemd/network/wireguard.network" do
+    source "wireguard.network.erb"
+    owner "root"
+    group "root"
+    mode "644"
+  end
+
+  if node[:lsb][:release].to_f < 20.04
+    execute "ip-link-delete-wg0" do
+      action :nothing
+      command "ip link delete wg0"
+      subscribes :run, "template[/etc/systemd/network/wireguard.netdev]"
+      only_if { ::File.exist?("/sys/class/net/wg0") }
+    end
+
+    service "systemd-networkd" do
+      action :nothing
+      subscribes :restart, "template[/etc/systemd/network/wireguard.netdev]"
+      subscribes :restart, "template[/etc/systemd/network/wireguard.network]"
+      not_if { kitchen? }
+    end
+  else
+    execute "networkctl-delete-wg0" do
+      action :nothing
+      command "networkctl delete wg0"
+      subscribes :run, "template[/etc/systemd/network/wireguard.netdev]"
+      only_if { ::File.exist?("/sys/class/net/wg0") }
+    end
+
+    execute "networkctl-reload" do
+      action :nothing
+      command "networkctl reload"
+      subscribes :run, "template[/etc/systemd/network/wireguard.netdev]"
+      subscribes :run, "template[/etc/systemd/network/wireguard.network]"
+      not_if { kitchen? }
+    end
+  end
+end
+
 ohai "reload-hostname" do
   action :nothing
   plugin "hostname"
@@ -227,7 +343,7 @@ end
 execute "hostnamectl-set-hostname" do
   command "hostnamectl set-hostname #{node[:networking][:hostname]}"
   notifies :reload, "ohai[reload-hostname]"
-  not_if { ENV.key?("TEST_KITCHEN") || node[:hostnamectl][:static_hostname] == node[:networking][:hostname] }
+  not_if { kitchen? || node[:hostnamectl][:static_hostname] == node[:networking][:hostname] }
 end
 
 template "/etc/hosts" do
@@ -235,7 +351,7 @@ template "/etc/hosts" do
   owner "root"
   group "root"
   mode "644"
-  not_if { ENV["TEST_KITCHEN"] }
+  not_if { kitchen? }
 end
 
 service "systemd-resolved" do
@@ -257,9 +373,8 @@ template "/etc/systemd/resolved.conf.d/99-chef.conf" do
 end
 
 if node[:filesystem][:by_mountpoint][:"/etc/resolv.conf"]
-  mount "/etc/resolv.conf" do
-    action :umount
-    device node[:filesystem][:by_mountpoint][:"/etc/resolv.conf"][:devices].first
+  execute "umount-resolve-conf" do
+    command "umount -c /etc/resolv.conf"
   end
 end
 
@@ -283,6 +398,13 @@ end
 
 package "shorewall"
 
+systemd_service "shorewall-docker" do
+  service "shorewall"
+  dropin "docker"
+  exec_stop "/sbin/shorewall $OPTIONS stop"
+  notifies :restart, "service[shorewall]"
+end
+
 template "/etc/default/shorewall" do
   source "shorewall-default.erb"
   owner "root"
@@ -343,7 +465,6 @@ template "/etc/shorewall/policy" do
 end
 
 template "/etc/shorewall/rules" do
-  action :nothing
   source "shorewall-rules.erb"
   owner "root"
   group "root"
@@ -352,9 +473,12 @@ template "/etc/shorewall/rules" do
   notifies :restart, "service[shorewall]"
 end
 
-notify_group "shorewall-rules" do
-  action :run
-  notifies :create, "template[/etc/shorewall/rules]"
+template "/etc/shorewall/stoppedrules" do
+  source "shorewall-stoppedrules.erb"
+  owner "root"
+  group "root"
+  mode "644"
+  notifies :restart, "service[shorewall]"
 end
 
 if node[:networking][:firewall][:enabled]
@@ -362,12 +486,14 @@ if node[:networking][:firewall][:enabled]
     action [:enable, :start]
     supports :restart => true
     status_command "shorewall status"
+    ignore_failure true
   end
 else
   service "shorewall" do
     action [:disable, :stop]
     supports :restart => true
     status_command "shorewall status"
+    ignore_failure true
   end
 end
 
@@ -389,27 +515,41 @@ firewall_rule "limit-icmp-echo" do
   rate_limit "s:1/sec:5"
 end
 
-%w[ucl ams bm].each do |zone|
-  firewall_rule "accept-openvpn-#{zone}" do
+if node[:networking][:wireguard][:enabled]
+  wireguard_source = if node[:roles].include?("gateway")
+                       "net"
+                     else
+                       "osm"
+                     end
+
+  firewall_rule "accept-wireguard" do
     action :accept
-    source zone
+    source wireguard_source
     dest "fw"
     proto "udp"
-    dest_ports "1194:1197"
-    source_ports "1194:1197"
+    dest_ports "51820"
+    source_ports "51820"
   end
 end
 
+file "/etc/shorewall/masq" do
+  action :delete
+end
+
+file "/etc/shorewall/masq.bak" do
+  action :delete
+end
+
 if node[:roles].include?("gateway")
-  template "/etc/shorewall/masq" do
-    source "shorewall-masq.erb"
+  template "/etc/shorewall/snat" do
+    source "shorewall-snat.erb"
     owner "root"
     group "root"
     mode "644"
     notifies :restart, "service[shorewall]"
   end
 else
-  file "/etc/shorewall/masq" do
+  file "/etc/shorewall/snat" do
     action :delete
     notifies :restart, "service[shorewall]"
   end
@@ -478,7 +618,6 @@ unless node.interfaces(:family => :inet6).empty?
   end
 
   template "/etc/shorewall6/rules" do
-    action :nothing
     source "shorewall-rules.erb"
     owner "root"
     group "root"
@@ -487,22 +626,19 @@ unless node.interfaces(:family => :inet6).empty?
     notifies :restart, "service[shorewall6]"
   end
 
-  notify_group "shorewall6-rules" do
-    action :run
-    notifies :create, "template[/etc/shorewall6/rules]"
-  end
-
   if node[:networking][:firewall][:enabled]
     service "shorewall6" do
       action [:enable, :start]
       supports :restart => true
       status_command "shorewall6 status"
+      ignore_failure true
     end
   else
     service "shorewall6" do
       action [:disable, :stop]
       supports :restart => true
       status_command "shorewall6 status"
+      ignore_failure true
     end
   end