Restart squid if /dev/shm entries are missing

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

diff --git a/cookbooks/squid/recipes/default.rb b/cookbooks/squid/recipes/default.rb
index 54e6e4af4848d5a3056cf05c1d8dc7d397e7d3aa..ce1edf966a4210efa0f59d3638debe0fb230e1d2 100644 (file)
--- a/cookbooks/squid/recipes/default.rb
+++ b/cookbooks/squid/recipes/default.rb
@@ -1,14 +1,14 @@
 #
-# Cookbook Name:: squid
+# Cookbook:: squid
 # Recipe:: default
 #
-# Copyright 2011, OpenStreetMap Foundation
+# Copyright:: 2011, OpenStreetMap Foundation
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
 #
-#     http://www.apache.org/licenses/LICENSE-2.0
+#     https://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
@@ -17,6 +17,35 @@
 # limitations under the License.
 #
 
+if node[:squid][:version] >= 3
+  apt_package "squid" do
+    action :unlock
+  end
+
+  apt_package "squid-common" do
+    action :unlock
+  end
+
+  apt_package "squid" do
+    action :purge
+    only_if "dpkg-query -W squid | fgrep -q 2."
+  end
+
+  apt_package "squid-common" do
+    action :purge
+    only_if "dpkg-query -W squid-common | fgrep -q 2."
+  end
+
+  file "/store/squid/coss-01" do
+    action :delete
+    backup false
+  end
+
+  package "squidclient" do
+    action :upgrade
+  end
+end
+
 package "squid"
 package "squidclient"
 
@@ -27,34 +56,53 @@ template "/etc/squid/squid.conf" do
   mode 0o644
 end
 
-template "/etc/default/squid" do
-  source "squid.erb"
-  owner "root"
-  group "root"
-  mode 0o644
-end
-
 directory "/etc/squid/squid.conf.d" do
   owner "root"
   group "root"
   mode 0o755
 end
 
+Array(node[:squid][:cache_dir]).each do |cache_dir|
+  if cache_dir =~ /^coss (\S+) /
+    cache_dir = File.dirname(Regexp.last_match(1))
+  elsif cache_dir =~ /^\S+ (\S+) /
+    cache_dir = Regexp.last_match(1)
+  end
+
+  directory cache_dir do
+    owner "proxy"
+    group "proxy"
+    mode 0o750
+    recursive true
+    notifies :restart, "service[squid]"
+  end
+end
+
+systemd_tmpfile "/var/run/squid" do
+  type "d"
+  owner "proxy"
+  group "proxy"
+  mode "0755"
+end
+
+address_families = %w[AF_UNIX AF_INET]
+
+# address_families << "AF_INET6" unless node.interfaces(:family => :inet6).empty?
+
 systemd_service "squid" do
   description "Squid caching proxy"
   after ["network.target", "nss-lookup.target"]
-  limit_nofile 65536
-  environment "SQUID_ARGS" => "-D"
-  environment_file "/etc/default/squid"
-  exec_start_pre "/usr/sbin/squid $SQUID_ARGS -z"
-  exec_start "/usr/sbin/squid -N $SQUID_ARGS"
+  type "forking"
+  limit_nofile 98304
+  exec_start_pre "/usr/sbin/squid -N -z"
+  exec_start "/usr/sbin/squid -Y"
   exec_reload "/usr/sbin/squid -k reconfigure"
   exec_stop "/usr/sbin/squid -k shutdown"
   private_tmp true
   private_devices true
   protect_system "full"
   protect_home true
-  no_new_privileges true
+  restrict_address_families address_families
   restart "on-failure"
   timeout_sec 0
 end
@@ -63,7 +111,6 @@ service "squid" do
   action [:enable, :start]
   subscribes :restart, "systemd_service[squid]"
   subscribes :reload, "template[/etc/squid/squid.conf]"
-  subscribes :restart, "template[/etc/default/squid]"
   subscribes :reload, "template[/etc/resolv.conf]"
 end
 
@@ -77,11 +124,25 @@ log "squid-restart" do
   end
 end
 
+log "squid-restart-shm" do
+  message "Restarting squid due to remounted /dev/shm"
+  notifies :restart, "service[squid]"
+  not_if do
+    File.exist?("/dev/shm/squid-squid-page-pool.shm")
+  end
+end
+
 munin_plugin "squid_cache"
-munin_plugin "squid_delay_pools"
-munin_plugin "squid_delay_pools_noreferer"
 munin_plugin "squid_times"
 munin_plugin "squid_icp"
 munin_plugin "squid_objectsize"
 munin_plugin "squid_requests"
 munin_plugin "squid_traffic"
+
+munin_plugin "squid_delay_pools" do
+  action :delete
+end
+
+munin_plugin "squid_delay_pools_noreferer" do
+  action :delete
+end