cookbooks/fb_hosts/templates/default/hosts.erb

<%=
  FB::Helpers::commentify(
    'Do not remove the following lines, or various programs that require' +
    ' network functionality will fail.')
%>
<% if node.macos? %>
127.0.0.1 localhost
255.255.255.255 broadcasthost
::1 localhost
fe80::1%lo0 localhost
<% else %>
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
<% end %>
<%
  ip = ip6 = nil
  hosts_names = "#{node['fqdn']} #{node['hostname']}"
  unless node['fb_hosts']['host_aliases'].empty?
    hosts_names = hosts_names + " " +
       node['fb_hosts']['host_aliases'].join(' ')
  end
  if node['fb_hosts']['primary_ipaddress']
    # make sure that if the user sets it to empty, we take that
    # as a sign to not have a line for this proto
    unless node['fb_hosts']['primary_ipaddress'].empty?
      ip = node['fb_hosts']['primary_ipaddress']
    end
  else
    ip = node['ipaddress']
  end
  if node['fb_hosts']['primary_ip6address']
    unless node['fb_hosts']['primary_ip6address'].empty?
      ip6 = node['fb_hosts']['primary_ip6address']
    end
  else
    ip6 = node['ip6address']
  end
%>
<% if ip && node['fb_hosts']['enable_hostname_entries'] %>
<%=  ip %> <%= hosts_names %>
<% end %>
<% if ip6 && node['fb_hosts']['enable_hostname_entries'] %>
<%=  ip6 %> <%= hosts_names %>
<% end %>
<% unless node['fb_hosts']['extra_entries'].empty? %>
<%   node['fb_hosts']['extra_entries'].to_hash.each do |ip, names| %>
<%=    ip %> <%= names.join(' ') %>
<%   end %>
<% end %>