Adding memcache

common-tasks/ubuntu-memcached.yml

@@ -0,0 +1,25 @@
+---
+##
+# Memcached daemon and PECL extension.
+#
+# Ubuntu only due to using apt.
+#
+- name: Memcached | Install packages
+ action: apt pkg=$item state=installed
+ with_items: 
+ # This is 3.0.4 in Ubuntu, which is listed as 'beta' on the PECL page.
+ #- php5-memcache
+ - memcached
+ tags: memcached
+
+- name: Memcached | Config file
+ action: template src=templates/etc-memcached-conf.j2 dest=/etc/memcached.conf
+ tags: memcached
+
+- name: Memcached | PECL Library install
+ action: shell printf "yes\n" | pecl install memcache creates=/usr/lib/php5/20090626/memcache.so
+ tags: memcached
+
+- name: Memcached | Config file for the PHP memcache extension
+ action: template src=templates/etc-php5-conf-d-memcache-ini.j2 dest=/etc/php5/conf.d/memcache.ini
+ tags: memcached

ubuntu-10.04-lamp-dev/run-local-all

@@ -1,4 +1,4 @@
 #!/bin/sh
 
 # Script for running the play on the localhost, everything included.
-ansible-playbook -c local --tags="common,drush,eaccel" ./setup.yml
+ansible-playbook -c local --tags="common,drush,eaccel,memcached" ./setup.yml

ubuntu-10.04-lamp-dev/setup.yml

@@ -81,6 +81,10 @@
  #
  - include: ../common-tasks/ubuntu-eaccelerator.yml
 
+ ##
+ # Memcached daemon.
+ - include: ../common-tasks/ubuntu-memcached.yml
+
  ##
  # Restart services
  #
@@ -91,3 +95,7 @@
  - name: Restart MySQL
  action: service name=mysql state=restarted
  tags: common
+
+ - name: Restart Memcached
+ action: service name=memcached state=restarted
+ tags: memcached

ubuntu-10.04-lamp-dev/templates/etc-memcached-conf.j2

@@ -0,0 +1,47 @@
+# memcached default config file
+# 2003 - Jay Bonci <jaybonci@debian.org>
+# This configuration file is read by the start-memcached script provided as
+# part of the Debian GNU/Linux distribution. 
+
+# Run memcached as a daemon. This command is implied, and is not needed for the
+# daemon to run. See the README.Debian that comes with this package for more
+# information.
+-d
+
+# Log memcached's output to /var/log/memcached
+logfile /var/log/memcached.log
+
+# Be verbose
+# -v
+
+# Be even more verbose (print client commands as well)
+# -vv
+
+# Start with a cap of 64 megs of memory. It's reasonable, and the daemon default
+# Note that the daemon will grow to this size, but does not start out holding this much
+# memory
+-m {{ memcached_memory }}
+
+# Default connection port is 11211
+-p 11211 
+
+# Run the daemon as root. The start-memcached will default to running as root if no
+# -u command is present in this config file
+-u nobody
+
+# Specify which IP address to listen on. The default is to listen on all IP addresses
+# This parameter is one of the only security measures that memcached has, so make sure
+# it's listening on a firewalled interface.
+-l 127.0.0.1
+
+# Limit the number of simultaneous incoming connections. The daemon default is 1024
+# -c 1024
+
+# Lock down all paged memory. Consult with the README and homepage before you do this
+# -k
+
+# Return error when memory is exhausted (rather than removing items)
+# -M
+
+# Maximize core file limit
+# -r

ubuntu-10.04-lamp-dev/templates/etc-php5-conf-d-eaccelerator-ini.j2

@@ -14,3 +14,4 @@ eaccelerator.shm_prune_period = "0"
 eaccelerator.shm_only = "0"
 eaccelerator.compress = "1"
 eaccelerator.compress_level = "9"
+eaccelerator.allowed_admin_path = "/var/www"

ubuntu-10.04-lamp-dev/templates/etc-php5-conf-d-memcache-ini.j2

@@ -0,0 +1,2 @@
+extension=memcache.so
+memcache.hash_strategy="{{ memcache_hash_strategy }}"

ubuntu-10.04-lamp-dev/vars/default-settings.yml

@@ -18,7 +18,13 @@ php_upload_max_filesize: '32M'
 php_date_timezone: 'US/Central'
 
 # eaccelerator.ini
-eaccel_shm_size: '32'
+eaccel_shm_size: '256'
+
+# memcached.conf
+memcached_memory: '128'
+
+# memcache.ini
+memcache_hash_strategy: 'consistent'
 
 # my.cnf
 mysql_max_allowed_packet: '128M'