Fix newline suppression in ERB template

diff --git a/cookbooks/networking/templates/default/nftables.conf.erb b/cookbooks/networking/templates/default/nftables.conf.erb
index 05984ac3ef5b9b08847d3fdc871b5521d9c26215..4a16fb0985df84bb0263d398f2b6b09384510876 100644 (file)
--- a/cookbooks/networking/templates/default/nftables.conf.erb
+++ b/cookbooks/networking/templates/default/nftables.conf.erb
@@ -1,8 +1,8 @@
 #!/usr/sbin/nft -f
 
-<%- unless @interfaces.empty? %>
+<% unless @interfaces.empty? -%>
 define external-interfaces = { <%= @interfaces.sort.uniq.join(", ") %> }
-<%- end %>
+<% end -%>
 
 define ip-private-addresses = { 0.0.0.0, 10.0.0.0/8, 127.0.0.0/8, 169.254.0.0/16, 172.16.0.0/12, 192.0.2.0/24, 192.168.0.0/16 }
 define ip-multicast-addresses = { 224.0.0.0/4 }
@@ -12,16 +12,16 @@ define ip6-multicast-addresses = { ff00::/8 }
 table inet chef-filter {
   set ip-osm-addresses {
     type ipv4_addr
-<%- unless Array(@hosts["inet"]).empty? %>
+<% unless Array(@hosts["inet"]).empty? -%>
     elements = { <%= Array(@hosts["inet"]).sort.join(", ") %> }
-<%- end %>
+<% end -%>
   }
 
   set ip6-osm-addresses {
     type ipv6_addr
-<%- unless Array(@hosts["inet"]).empty? %>
+<% unless Array(@hosts["inet"]).empty? -%>
     elements = { <%= Array(@hosts["inet6"]).sort.join(", ") %> }
-<%- end %>
+<% end -%>
   }
 
   set ip-blocklist {
@@ -46,27 +46,27 @@ table inet chef-filter {
     timeout 120s
   }
 
-<%- node[:networking][:firewall][:sets].each do |set| %>
+<% node[:networking][:firewall][:sets].each do |set| -%>
   set <%= set %> {
-<%- if set.end_with?("-ip") %>
+<% if set.end_with?("-ip") -%>
     type ipv4_addr
-<%- elsif set.end_with?("-ip6") %>
+<% elsif set.end_with?("-ip6") -%>
     type ipv6_addr
-<%- end %>
+<% end -%>
     flags dynamic
-<%- unless set.start_with?("connlimit-") %>
+<% unless set.start_with?("connlimit-") -%>
     timeout 120s
-<%- end %>
+<% end -%>
   }
 
-<%- end %>
+<% end -%>
 
-<%- node[:networking][:firewall][:helpers].each do |helper| %>
+<% node[:networking][:firewall][:helpers].each do |helper| -%>
   ct helper <%= helper[:name] %> {
     type "<%= helper[:helper] %>" protocol <%= helper[:protocol] %>
   }
 
-<%- end %>
+<% end -%>
   chain log-and-drop {
     limit rate 1/second log
     drop
@@ -78,11 +78,11 @@ table inet chef-filter {
   }
 
   chain incoming {
-<%- if node[:networking][:firewall][:allowlist].empty? %>
+<% if node[:networking][:firewall][:allowlist].empty? -%>
     ip saddr { $ip-private-addresses, $ip-multicast-addresses } jump log-and-drop
-<%- else %>
+<% else -%>
     ip saddr { $ip-private-addresses, $ip-multicast-addresses } ip saddr != { <%= node[:networking][:firewall][:allowlist].sort.join(", ") %> } jump log-and-drop
-<%- end %>
+<% end -%>
     ip6 saddr { $ip6-private-addresses, $ip6-multicast-addresses } jump log-and-drop
 
     ip saddr @ip-blocklist jump log-and-drop
@@ -107,24 +107,24 @@ table inet chef-filter {
     tcp flags & (fin|psh|ack) == fin|psh jump log-and-drop
     tcp sport 0 tcp flags & (fin|syn|rst|ack) == syn jump log-and-drop
 
-<%- node[:networking][:firewall][:incoming].uniq.each do |rule| %>
+<% node[:networking][:firewall][:incoming].uniq.each do |rule| -%>
     <%= rule %>
-<%- end %>
+<% end -%>
 
     jump log-and-drop
   }
 
   chain outgoing {
-<%- if node[:networking][:firewall][:allowlist].empty? %>
+<% if node[:networking][:firewall][:allowlist].empty? -%>
     ip daddr { $ip-private-addresses } jump log-and-drop
-<%- else %>
+<% else -%>
     ip daddr { $ip-private-addresses } ip daddr != { <%= node[:networking][:firewall][:allowlist].sort.join(", ") %> } jump log-and-drop
-<%- end %>
+<% end -%>
     ip6 daddr { $ip6-private-addresses } jump log-and-drop
 
-<%- node[:networking][:firewall][:outgoing].each do |rule| %>
+<% node[:networking][:firewall][:outgoing].each do |rule| -%>
     <%= rule %>
-<%- end %>
+<% end -%>
 
     accept
   }
@@ -132,9 +132,9 @@ table inet chef-filter {
   chain input {
     type filter hook input priority filter;
 
-<%- unless @interfaces.empty? %>
+<% unless @interfaces.empty? -%>
     iifname { $external-interfaces } jump incoming
-<%- end %>
+<% end -%>
 
     accept
   }
@@ -142,10 +142,10 @@ table inet chef-filter {
   chain forward {
     type filter hook forward priority filter;
 
-<%- unless @interfaces.empty? %>
+<% unless @interfaces.empty? -%>
     iifname { $external-interfaces } jump incoming
     oifname { $external-interfaces } jump outgoing
-<%- end %>
+<% end -%>
 
     accept
   }
@@ -153,24 +153,24 @@ table inet chef-filter {
   chain output {
     type filter hook output priority filter;
 
-<%- unless @interfaces.empty? %>
+<% unless @interfaces.empty? -%>
     oifname { $external-interfaces } jump outgoing
-<%- end %>
+<% end -%>
 
     accept
   }
 }
-<%- if node[:roles].include?("gateway") %>
+<% if node[:roles].include?("gateway") -%>
 
 table ip chef-nat {
   chain postrouting {
     type nat hook postrouting priority srcnat;
 
-<%- node.interfaces(:role => :external, :family => :inet).each do |external| %>
-<%- node.interfaces(:role => :internal, :family => :inet).each do |internal| %>
+<% node.interfaces(:role => :external, :family => :inet).each do |external| -%>
+<% node.interfaces(:role => :internal, :family => :inet).each do |internal| -%>
     oifname { <%= external[:interface] %> } ip saddr { <%= internal[:network] %>/<%= internal[:prefix] %> } snat <%= external[:address] %>
-<%- end %>
-<%- end %>
+<% end -%>
+<% end -%>
   }
 }
-<%- end %>
+<% end -%>