Go back to unmounting resolv.conf but prevent path canonicalisation

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

diff --git a/cookbooks/networking/recipes/default.rb b/cookbooks/networking/recipes/default.rb
index d638d913217f5c1e4e7f7e3c863ed33c494c1abb..9281aa3915ff1e73f3ecacaf16e908bbdf407204 100644 (file)
--- a/cookbooks/networking/recipes/default.rb
+++ b/cookbooks/networking/recipes/default.rb
@@ -186,6 +186,10 @@ package "cloud-init" do
 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
@@ -202,11 +206,11 @@ if node[:networking][:wireguard][:enabled]
     owner "root"
     group "systemd-network"
     mode "640"
-    content %x{wg genkey}
+    content %x(wg genkey)
     compile_time true
   end
 
-  node.default[:networking][:wireguard][:public_key] = %x{wg pubkey < /var/lib/systemd/wireguard/private.key}
+  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
@@ -222,7 +226,7 @@ if node[:networking][:wireguard][:enabled]
       next unless gateway[:networking][:wireguard] && gateway[:networking][:wireguard][:enabled]
 
       allowed_ips = gateway.interfaces(:role => :internal).map do |interface|
-        "#{interface[:network]}/#{interface[:metric]}"
+        "#{interface[:network]}/#{interface[:prefix]}"
       end
 
       node.default[:networking][:wireguard][:peers] << {
@@ -231,13 +235,35 @@ if node[:networking][:wireguard][:enabled]
         :endpoint => "#{gateway.name}:51820"
       }
     end
+
+    search(:node, "roles:mail") 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"
+    }
   end
 
   template "/etc/systemd/network/wireguard.netdev" do
     source "wireguard.netdev.erb"
     owner "root"
-    group "root"
-    mode "644"
+    group "systemd-network"
+    mode "640"
   end
 
   template "/etc/systemd/network/wireguard.network" do
@@ -247,19 +273,35 @@ if node[:networking][:wireguard][:enabled]
     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
+  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
 
-  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") }
+    service "systemd-networkd" do
+      action :nothing
+      subscribes :restart, "template[/etc/systemd/network/wireguard.netdev]"
+      subscribes :restart, "template[/etc/systemd/network/wireguard.network]"
+      not_if { ENV.key?("TEST_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 { ENV.key?("TEST_KITCHEN") }
+    end
   end
 end
 
@@ -301,9 +343,8 @@ 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
 
@@ -434,9 +475,15 @@ firewall_rule "limit-icmp-echo" do
 end
 
 if node[:networking][:wireguard][:enabled]
+  wireguard_source = if node[:roles].include?("gateway")
+                       "net"
+                     else
+                       "osm"
+                     end
+
   firewall_rule "accept-wireguard" do
     action :accept
-    source "osm"
+    source wireguard_source
     dest "fw"
     proto "udp"
     dest_ports "51820"