# DO NOT EDIT - This file is being maintained by Chef
-#FIXME - configurable
+# configure host name
+visible_hostname <%= node.name %>
+
cache_mem <%= node[:squid][:cache_mem] %>
+<% if node[:squid][:version] > 2 -%>
+
+workers <%= [ node[:cpu][:total] - 2, 1 ].max.ceil %>
+cpu_affinity_map process_numbers=<%= (1..[ node[:cpu][:total] - 2, 1 ].max.ceil).to_a.join(',') %> cores=<%=(1..[ node[:cpu][:total] - 2, 1 ].max.ceil).to_a.join(',') %>
+
+# Set short clean shutdown interval
+shutdown_lifetime 10 seconds
+
+error_log_languages off
+<% end -%>
-max_filedescriptors 65536
+max_filedescriptors 98304
-#used by squidclient / munin
+<% if node[:squid][:version] > 3 -%>
+# Use RFC6891 recommended max size
+dns_packet_max 4096 bytes
+# Use low initial retry interval (backoff start)
+dns_retransmit_interval 2 seconds
+# Set low timeout
+dns_timeout 15 seconds
+<% end -%>
+
+# used by squidclient / munin
http_port 3128
-#ICP
+# HTCP
+htcp_port 4827
+# ICP
icp_port 3130
log_icp_queries off
-#FIXME - configurable
-<% if node[:squid][:version] == "2" -%>
+<% if node[:squid][:version] < 3 -%>
http_port 80 accel defaultsite=tile.openstreetmap.org tcpkeepalive=60,10,6 http11
<% else -%>
-http_port 80 accel defaultsite=tile.openstreetmap.org tcpkeepalive=60,10,6
-
-#prefer IPv4 until everything is upgraded
-dns_v4_first on
+# http_port 80 accel no-vhost defaultsite=tile.openstreetmap.org tcpkeepalive=60,10,6
+http_port 8080 accel no-vhost defaultsite=tile.openstreetmap.org tcpkeepalive=60,10,6
<% end -%>
cache_effective_user proxy
cache_effective_group proxy
-#FIXME - configurable
-cache_dir <%= node[:squid][:cache_dir] %>
-<% if node[:squid][:version] == "2" -%>
+<% Array(node[:squid][:cache_dir]).each do |cache_dir| -%>
+cache_dir <%= cache_dir %>
+<% end -%>
+
+<% if node[:squid][:version] < 3 -%>
cache_swap_log /var/spool/squid/%s
<% end -%>
read_ahead_gap 64 KB
-maximum_object_size 1048576 bytes
+maximum_object_size 256 KB
maximum_object_size_in_memory 64 KB
cache_replacement_policy heap LFUDA
memory_replacement_policy heap GDSF
server_persistent_connections on
+<% if node[:squid][:version] < 3 -%>
persistent_request_timeout 1 minutes
+<% else -%>
+client_idle_pconn_timeout 1 minutes
+<% end -%>
+<% if node[:squid][:version] > 3 -%>
+pconn_lifetime 5 minutes
+<% end -%>
negative_ttl 15 seconds
-half_closed_clients off
-<% if node[:squid][:version] == "2" -%>
+<% if node[:squid][:version] < 3 -%>
pipeline_prefetch on
-<% else -%>
-pipeline_prefetch 1
<% end -%>
read_timeout 90 seconds
connect_timeout 20 seconds
client_lifetime 1 hours
-collapsed_forwarding on
+<% if node[:squid][:version] < 3 -%>
refresh_stale_hit 300 seconds
+<% end -%>
-#Recommended minimum configuration:
-#----------------------------------
+# Recommended minimum configuration:
+# ----------------------------------
+<% if node[:squid][:version] < 3 -%>
acl all src all
acl manager proto cache_object
acl localhost src 127.0.0.1/32
acl to_localhost dst 127.0.0.0/8
+<% end -%>
acl SSL_ports port 443
acl Safe_ports port 80 # http
acl Safe_ports port 21 # ftp
http_access deny manager
http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
-#----------------------------------
+# ----------------------------------
acl purge_hosts src 127.0.0.0/8
acl PURGE method purge
forwarded_for on
follow_x_forwarded_for allow localhost
-<% if node[:squid][:version] == "2" -%>
+<% if node[:squid][:version] < 3 -%>
logformat openstreetmap %ts.%03tu %tr %>a %Ss/%03Hs %<st %rm %rp %Sh/%<A %mt "%{Referer}>h" "%{User-Agent}>h"
access_log <%= node[:squid][:access_log] %>
<% else -%>
<% end -%>
cache_log /var/log/squid/cache.log
cache_store_log none
-buffered_logs on
+
client_db off
strip_query_terms off
+<% if node[:squid][:version] > 2 -%>
+# Work around bug in squid 3 that causes log_fqdn to be
+# turned on by some of the (unused by us) default formats:
+# http://lists.squid-cache.org/pipermail/squid-users/2016-February/thread.html#8999
+url_rewrite_extras "%>a %un %>rm myip=%la myport=%lp"
+store_id_extras "%>a %un %>rm myip=%la myport=%lp"
+<% end -%>
digest_generation on
-refresh_pattern . 0 50% 8640
+refresh_pattern . 0 50% 20160
+refresh_pattern -i tile.openstreetmap.org 60 80% 20160 reload-into-ims
-#ZERO required for logrotate to work properly
+# ZERO required for logrotate to work properly
logfile_rotate 0
<% Dir.glob("/etc/squid/squid.conf.d/*.conf") do |file| -%>
<%= File.read(file) %>
<% end -%>
-#MUST BE LAST ACL
-#--------------
+# MUST BE LAST ACL
+# --------------
http_access deny all
+htcp_access deny all
icp_access deny all
-#--------------
-
+# --------------