Add basic infrastructure for wireguard tunnels

[chef.git] / cookbooks / networking / recipes / default.rb

diff --git a/cookbooks/networking/recipes/default.rb b/cookbooks/networking/recipes/default.rb
index 6648998f054f9a5d540778164a18d2b6833d84bf..c92ffc4bc7ce2bd82c0bee8de145f19d4ee5f0d2 100644 (file)
--- 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 = {
@@ -39,19 +41,21 @@ 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]
-        node.normal[:networking][:interfaces][name][:routes] = role[interface[:family]][:routes]
+        node.default[:networking][:interfaces][name][:prefix] = role[interface[:family]][:prefix]
+        node.default[:networking][:interfaces][name][:gateway] = role[interface[:family]][:gateway]
+        node.default[:networking][:interfaces][name][:routes] = role[interface[:family]][:routes]
       end
 
-      node.normal[:networking][:interfaces][name][:metric] = role[:metric]
-      node.normal[:networking][:interfaces][name][:zone] = role[:zone]
+      node.default[:networking][:interfaces][name][:metric] = role[:metric]
+      node.default[:networking][:interfaces][name][:zone] = role[:zone]
     end
 
-    prefix = node[:networking][:interfaces][name][:prefix]
+    if interface[:address]
+      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)
+      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)
+    end
 
     interface = node[:networking][:interfaces][name]
 
@@ -77,7 +81,9 @@ node[:networking][:interfaces].each do |name, interface|
                    }
                  end
 
-    deviceplan["addresses"].push("#{interface[:address]}/#{prefix}")
+    if interface[:address]
+      deviceplan["addresses"].push("#{interface[:address]}/#{prefix}")
+    end
 
     if interface[:mtu]
       deviceplan["mtu"] = interface[:mtu]
@@ -126,6 +132,44 @@ 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]
@@ -169,7 +213,7 @@ end
 file "/etc/netplan/99-chef.yaml" do
   owner "root"
   group "root"
-  mode 0o644
+  mode "644"
   content YAML.dump(netplan)
 end
 
@@ -177,6 +221,67 @@ package "cloud-init" do
   action :purge
 end
 
+if node[:networking][:wireguard][:enabled]
+  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}
+
+  file "/var/lib/systemd/wireguard/preshared.key" do
+    action :create_if_missing
+    owner "root"
+    group "systemd-network"
+    mode "640"
+    content keys["wireguard"]
+  end
+
+  template "/etc/systemd/network/wireguard.netdev" do
+    source "wireguard.netdev.erb"
+    owner "root"
+    group "root"
+    mode "644"
+  end
+
+  template "/etc/systemd/network/wireguard.network" do
+    source "wireguard.network.erb"
+    owner "root"
+    group "root"
+    mode "644"
+  end
+
+  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
+
+  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 { ENV.key?("TEST_KITCHEN") }
+  end
+end
+
 ohai "reload-hostname" do
   action :nothing
   plugin "hostname"
@@ -192,7 +297,7 @@ template "/etc/hosts" do
   source "hosts.erb"
   owner "root"
   group "root"
-  mode 0o644
+  mode "644"
   not_if { ENV["TEST_KITCHEN"] }
 end
 
@@ -203,14 +308,14 @@ 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
+  mode "644"
   notifies :restart, "service[systemd-resolved]", :immediately
 end
 
@@ -225,45 +330,6 @@ link "/etc/resolv.conf" do
   to "../run/systemd/resolve/stub-resolv.conf"
 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|
-      next unless 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
-        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
-  end
-end
-
 zones = {}
 
 search(:node, "networking:interfaces").collect do |n|
@@ -284,7 +350,7 @@ template "/etc/default/shorewall" do
   source "shorewall-default.erb"
   owner "root"
   group "root"
-  mode 0o644
+  mode "644"
   notifies :restart, "service[shorewall]"
 end
 
@@ -292,7 +358,7 @@ template "/etc/shorewall/shorewall.conf" do
   source "shorewall.conf.erb"
   owner "root"
   group "root"
-  mode 0o644
+  mode "644"
   notifies :restart, "service[shorewall]"
 end
 
@@ -300,7 +366,7 @@ template "/etc/shorewall/zones" do
   source "shorewall-zones.erb"
   owner "root"
   group "root"
-  mode 0o644
+  mode "644"
   variables :type => "ipv4"
   notifies :restart, "service[shorewall]"
 end
@@ -309,7 +375,7 @@ template "/etc/shorewall/interfaces" do
   source "shorewall-interfaces.erb"
   owner "root"
   group "root"
-  mode 0o644
+  mode "644"
   notifies :restart, "service[shorewall]"
 end
 
@@ -317,7 +383,7 @@ template "/etc/shorewall/hosts" do
   source "shorewall-hosts.erb"
   owner "root"
   group "root"
-  mode 0o644
+  mode "644"
   variables :zones => zones
   notifies :restart, "service[shorewall]"
 end
@@ -326,7 +392,7 @@ template "/etc/shorewall/conntrack" do
   source "shorewall-conntrack.erb"
   owner "root"
   group "root"
-  mode 0o644
+  mode "644"
   notifies :restart, "service[shorewall]"
   only_if { node[:networking][:firewall][:raw] }
 end
@@ -335,30 +401,44 @@ template "/etc/shorewall/policy" do
   source "shorewall-policy.erb"
   owner "root"
   group "root"
-  mode 0o644
+  mode "644"
   notifies :restart, "service[shorewall]"
 end
 
 template "/etc/shorewall/rules" do
+  action :nothing
   source "shorewall-rules.erb"
   owner "root"
   group "root"
-  mode 0o644
+  mode "644"
   variables :family => "inet"
   notifies :restart, "service[shorewall]"
 end
 
-service "shorewall" do
-  action [:enable, :start]
-  supports :restart => true
-  status_command "shorewall status"
+notify_group "shorewall-rules" do
+  action :run
+  notifies :create, "template[/etc/shorewall/rules]"
+end
+
+if node[:networking][:firewall][:enabled]
+  service "shorewall" do
+    action [:enable, :start]
+    supports :restart => true
+    status_command "shorewall status"
+  end
+else
+  service "shorewall" do
+    action [:disable, :stop]
+    supports :restart => true
+    status_command "shorewall status"
+  end
 end
 
 template "/etc/logrotate.d/shorewall" do
   source "logrotate.shorewall.erb"
   owner "root"
   group "root"
-  mode 0o644
+  mode "644"
   variables :name => "shorewall"
 end
 
@@ -383,12 +463,23 @@ end
   end
 end
 
+if node[:networking][:wireguard][:enabled]
+  firewall_rule "accept-wireguard" do
+    action :accept
+    source "osm"
+    dest "fw"
+    proto "udp"
+    dest_ports "51820"
+    source_ports "51820"
+  end
+end
+
 if node[:roles].include?("gateway")
   template "/etc/shorewall/masq" do
     source "shorewall-masq.erb"
     owner "root"
     group "root"
-    mode 0o644
+    mode "644"
     notifies :restart, "service[shorewall]"
   end
 else
@@ -405,7 +496,7 @@ unless node.interfaces(:family => :inet6).empty?
     source "shorewall-default.erb"
     owner "root"
     group "root"
-    mode 0o644
+    mode "644"
     notifies :restart, "service[shorewall6]"
   end
 
@@ -413,7 +504,7 @@ unless node.interfaces(:family => :inet6).empty?
     source "shorewall6.conf.erb"
     owner "root"
     group "root"
-    mode 0o644
+    mode "644"
     notifies :restart, "service[shorewall6]"
   end
 
@@ -421,7 +512,7 @@ unless node.interfaces(:family => :inet6).empty?
     source "shorewall-zones.erb"
     owner "root"
     group "root"
-    mode 0o644
+    mode "644"
     variables :type => "ipv6"
     notifies :restart, "service[shorewall6]"
   end
@@ -430,7 +521,7 @@ unless node.interfaces(:family => :inet6).empty?
     source "shorewall6-interfaces.erb"
     owner "root"
     group "root"
-    mode 0o644
+    mode "644"
     notifies :restart, "service[shorewall6]"
   end
 
@@ -438,7 +529,7 @@ unless node.interfaces(:family => :inet6).empty?
     source "shorewall6-hosts.erb"
     owner "root"
     group "root"
-    mode 0o644
+    mode "644"
     variables :zones => zones
     notifies :restart, "service[shorewall6]"
   end
@@ -447,7 +538,7 @@ unless node.interfaces(:family => :inet6).empty?
     source "shorewall-conntrack.erb"
     owner "root"
     group "root"
-    mode 0o644
+    mode "644"
     notifies :restart, "service[shorewall6]"
     only_if { node[:networking][:firewall][:raw] }
   end
@@ -456,30 +547,44 @@ unless node.interfaces(:family => :inet6).empty?
     source "shorewall-policy.erb"
     owner "root"
     group "root"
-    mode 0o644
+    mode "644"
     notifies :restart, "service[shorewall6]"
   end
 
   template "/etc/shorewall6/rules" do
+    action :nothing
     source "shorewall-rules.erb"
     owner "root"
     group "root"
-    mode 0o644
+    mode "644"
     variables :family => "inet6"
     notifies :restart, "service[shorewall6]"
   end
 
-  service "shorewall6" do
-    action [:enable, :start]
-    supports :restart => true
-    status_command "shorewall6 status"
+  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"
+    end
+  else
+    service "shorewall6" do
+      action [:disable, :stop]
+      supports :restart => true
+      status_command "shorewall6 status"
+    end
   end
 
   template "/etc/logrotate.d/shorewall6" do
     source "logrotate.shorewall.erb"
     owner "root"
     group "root"
-    mode 0o644
+    mode "644"
     variables :name => "shorewall6"
   end