APC/APCu better management

defaults/main.yml

@@ -12,7 +12,7 @@ php_ini:
   - key: 'memory_limit'
     value: '256M'
 
-# OpCache settings (useful for PHP >=5.5).
+# OpCache settings (PHP >= 5.5)
 php_opcache_enable: "1"
 php_opcache_enable_cli: "0"
 php_opcache_memory_consumption: "96"
@@ -23,7 +23,7 @@ php_opcache_validate_timestamps: "1"
 php_opcache_revalidate_freq: "2"
 php_opcache_max_file_size: "0"
 
-# APC settings (useful for PHP <5.5).
+# APC/APCu settings
 php_apc_enable: "1"
 php_apc_enable_cli: "0"
 php_apc_shm_size: "32M"
@@ -36,14 +36,13 @@ php_apc_slam_defense: "0"
 php_apc_stat_ctime: "1"
 
 
-
 # PHP-FPM
 php_fpm_poold:
   - pool_name: 'www'
     listen: '/var/run/php5-fpm.sock'
     pm: 'dynamic'
-    pm_max_children: 250 
+    pm_max_children: 250
     pm_start_servers: 10
     pm_min_spare_servers: 10
     pm_max_spare_servers: 20
- 
+

meta/main.yml

@@ -1,11 +1,11 @@
 ---
 galaxy_info:
   author: Emilien Mantel
-  description: Install and configure PHP (+ FPM is wanted) 
+  description: Install and configure PHP (+ FPM is wanted)
   company:
   license: GPLv2
   min_ansible_version: 1.8
-  platforms:  
+  platforms:
   - name: Debian
     versions:
     - wheezy

tasks/main.yml

@@ -2,7 +2,7 @@
 
 - name: APT | Install PHP packages
   apt: pkg={{ item }} state=latest update_cache=yes cache_valid_time=3600
-  with_flattened: 
+  with_flattened:
     - php_packages
     - php_extra_packages
 
@@ -10,7 +10,7 @@
   include: fpm.yml
   when: php_install_fpm
 
-- name: SHELL | Get PHP version on apt 
+- name: SHELL | Get PHP version on apt
   shell: LANG=C apt-cache policy php5 2>&1 | awk '/Candidate:/ { print $2 }'
   register: php_apt_version
   changed_when: false

tasks/php54max.yml

@@ -4,5 +4,5 @@
   apt: pkg=php-apc state=latest
 
 - name: TEMPLATE | Configure APC
-  template: src=etc/php5/mods-available/apc.j2 dest=/etc/php5/mods-available/apc.ini
+  template: src=etc/php5/mods-available/apcu.ini.j2 dest=/etc/php5/mods-available/apc.ini
   notify: restart php-fpm

tasks/php55min.yml

@@ -4,7 +4,7 @@
   apt: pkg=php5-apcu state=latest
 
 - name: TEMPLATE | Configure Opcache / APCu
-  template: src=etc/php5/mods-available/{{ item }}.j2 dest=/etc/php5/mods-available/{{ item }}
+  template: src=etc/php5/mods-available/{{ item }}.ini.j2 dest=/etc/php5/mods-available/{{ item }}.ini
   with_items:
     - apcu
     - opcache

templates/etc/php5/fpm/pool.d/pool.conf.j2

@@ -43,7 +43,7 @@ listen = {{ item.listen }}
 
 ; Set permissions for unix socket, if one is used. In Linux, read/write
 ; permissions must be set in order to allow connections from a web server. Many
-; BSD-derived systems allow connections regardless of permissions. 
+; BSD-derived systems allow connections regardless of permissions.
 ; Default Values: user and group are set as the running user
 ;                 mode is set to 0660
 listen.owner = {{ item.listen_ | default('www-data') }}
@@ -54,7 +54,7 @@ listen.group = {{ item.listen_ | default('www-data') }}
 ; When set, listen.owner and listen.group are ignored
 ;listen.acl_users =
 ;listen.acl_groups =
- 
+
 ; List of addresses (IPv4/IPv6) of FastCGI clients which are allowed to connect.
 ; Equivalent to the FCGI_WEB_SERVER_ADDRS environment variable in the original
 ; PHP FCGI (5.2.2+). Makes sense only with a tcp listening socket. Each address
@@ -111,23 +111,23 @@ pm.max_children = {{ item.pm_max_children }}
 ; The number of child processes created on startup.
 ; Note: Used only when pm is set to 'dynamic'
 ; Default Value: min_spare_servers + (max_spare_servers - min_spare_servers) / 2
-pm.start_servers = {{ item.pm_start_servers }} 
+pm.start_servers = {{ item.pm_start_servers }}
 
 ; The desired minimum number of idle server processes.
 ; Note: Used only when pm is set to 'dynamic'
 ; Note: Mandatory when pm is set to 'dynamic'
-pm.min_spare_servers = {{ item.pm_min_spare_servers }} 
+pm.min_spare_servers = {{ item.pm_min_spare_servers }}
 
 ; The desired maximum number of idle server processes.
 ; Note: Used only when pm is set to 'dynamic'
 ; Note: Mandatory when pm is set to 'dynamic'
-pm.max_spare_servers = {{ item.pm_max_spare_servers }} 
+pm.max_spare_servers = {{ item.pm_max_spare_servers }}
 
 ; The number of seconds after which an idle process will be killed.
 ; Note: Used only when pm is set to 'ondemand'
 ; Default Value: 10s
 ;pm.process_idle_timeout = 10s;
- 
+
 ; The number of requests each child process should execute before respawning.
 ; This can be useful to work around memory leaks in 3rd party libraries. For
 ; endless request processing specify '0'. Equivalent to PHP_FCGI_MAX_REQUESTS.
@@ -180,7 +180,7 @@ pm.max_spare_servers = {{ item.pm_max_spare_servers }}
 ;
 ; By default the status page only outputs short status. Passing 'full' in the
 ; query string will also return status for each pool process.
-; Example: 
+; Example:
 ;   http://www.foo.bar/status?full
 ;   http://www.foo.bar/status?json&full
 ;   http://www.foo.bar/status?html&full
@@ -230,9 +230,9 @@ pm.max_spare_servers = {{ item.pm_max_spare_servers }}
 ; Note: The value must start with a leading slash (/). The value can be
 ;       anything, but it may not be a good idea to use the .php extension or it
 ;       may conflict with a real PHP file.
-; Default Value: not set 
+; Default Value: not set
 ;pm.status_path = /status
- 
+
 ; The ping URI to call the monitoring page of FPM. If this value is not set, no
 ; URI will be recognized as a ping page. This could be used to test from outside
 ; that FPM is alive and responding, or to
@@ -293,7 +293,7 @@ pm.max_spare_servers = {{ item.pm_max_spare_servers }}
 ;      - ....
 ;  %p: PID of the child that serviced the request
 ;  %P: PID of the parent of the child that serviced the request
-;  %q: the query string 
+;  %q: the query string
 ;  %Q: the '?' character if query string exists
 ;  %r: the request URI (without the query string, see %q and %Q)
 ;  %R: remote IP address
@@ -308,50 +308,50 @@ pm.max_spare_servers = {{ item.pm_max_spare_servers }}
 ;
 ; Default: "%R - %u %t \"%m %r\" %s"
 ;access.format = "%R - %u %t \"%m %r%Q%q\" %s %f %{mili}d %{kilo}M %C%%"
- 
+
 ; The log file for slow requests
 ; Default Value: not set
 ; Note: slowlog is mandatory if request_slowlog_timeout is set
 ;slowlog = log/$pool.log.slow
- 
+
 ; The timeout for serving a single request after which a PHP backtrace will be
 ; dumped to the 'slowlog' file. A value of '0s' means 'off'.
 ; Available units: s(econds)(default), m(inutes), h(ours), or d(ays)
 ; Default Value: 0
 ;request_slowlog_timeout = 0
- 
+
 ; The timeout for serving a single request after which the worker process will
 ; be killed. This option should be used when the 'max_execution_time' ini option
 ; does not stop script execution for some reason. A value of '0' means 'off'.
 ; Available units: s(econds)(default), m(inutes), h(ours), or d(ays)
 ; Default Value: 0
 ;request_terminate_timeout = 0
- 
+
 ; Set open file descriptor rlimit.
 ; Default Value: system defined value
 ;rlimit_files = 1024
- 
+
 ; Set max core size rlimit.
 ; Possible Values: 'unlimited' or an integer greater or equal to 0
 ; Default Value: system defined value
 ;rlimit_core = 0
- 
+
 ; Chroot to this directory at the start. This value must be defined as an
 ; absolute path. When this value is not set, chroot is not used.
 ; Note: you can prefix with '$prefix' to chroot to the pool prefix or one
 ; of its subdirectories. If the pool prefix is not set, the global prefix
 ; will be used instead.
-; Note: chrooting is a great security feature and should be used whenever 
+; Note: chrooting is a great security feature and should be used whenever
 ;       possible. However, all PHP paths will be relative to the chroot
 ;       (error_log, sessions.save_path, ...).
 ; Default Value: not set
-;chroot = 
+;chroot =
- 
+
 ; Chdir to this directory at the start.
 ; Note: relative path can be used.
 ; Default Value: current directory or / when chroot
 chdir = /
- 
+
 ; Redirect worker stdout and stderr into main error log. If not set, stdout and
 ; stderr will be redirected to /dev/null according to FastCGI specs.
 ; Note: on highloaded environement, this can cause some delay in the page
@@ -375,7 +375,7 @@ chdir = /
 ; Note: set an empty value to allow all extensions.
 ; Default Value: .php
 ;security.limit_extensions = .php .php3 .php4 .php5
- 
+
 ; Pass environment variables like LD_LIBRARY_PATH. All $VARIABLEs are taken from
 ; the current environment.
 ; Default Value: clean env
@@ -389,7 +389,7 @@ chdir = /
 ; overwrite the values previously defined in the php.ini. The directives are the
 ; same as the PHP SAPI:
 ;   php_value/php_flag             - you can set classic ini defines which can
-;                                    be overwritten from PHP call 'ini_set'. 
+;                                    be overwritten from PHP call 'ini_set'.
 ;   php_admin_value/php_admin_flag - these directives won't be overwritten by
 ;                                     PHP call 'ini_set'
 ; For php_*flag, valid values are on, off, 1, 0, true, false, yes or no.
@@ -410,4 +410,4 @@ chdir = /
 ;php_admin_flag[log_errors] = on
 ;php_admin_value[memory_limit] = 32M
 
-; vim:filetype=dosini 
+; vim:filetype=dosini

templates/etc/php5/mods-available/apc.j2

@@ -1,16 +0,0 @@
-;
-; {{ ansible_managed }}
-;
-
-extension=apc.so
-
-apc.enable_cli={{ php_apc_enable_cli }}
-apc.shm_size={{ php_apc_shm_size }}
-apc.enable={{ php_apc_enable }}
-apc.num_files_hint={{ php_apc_num_files_hint }}
-apc.user_entries_hint={{ php_apc_user_entries_hint }}
-apc.user_ttl={{ php_apc_user_ttl }}
-apc.ttl={{ php_apc_ttl }}
-apc.file_update_protection={{ php_apc_file_update_protection }}
-apc.slam_defense={{ php_apc_slam_defense }}
-apc.stat_ctime={{ php_apc_stat_ctime }}

templates/etc/php5/mods-available/apcu.ini.j2

@@ -0,0 +1,25 @@
+;
+; {{ ansible_managed }}
+;
+
+extension=apc.so
+
+; apc.enabled can be set to 0 to disable APC
+apc.enable={{ php_apc_enable }}
+; Mostly for testing and debugging.
+apc.enable_cli={{ php_apc_enable_cli }}
+; The size of each shared memory segment in MB
+apc.shm_size={{ php_apc_shm_size }}
+; A "hint" about the number of distinct source files that will be included or requested on your web server. Set to zero or omit if unsure; this setting is mainly useful for sites that have many thousands of source files.
+apc.num_files_hint={{ php_apc_num_files_hint }}
+; Just like apc.num_files_hint, a "hint" about the number of distinct user cache variables to store. Set to zero or omit if not sure. 
+apc.user_entries_hint={{ php_apc_user_entries_hint }}
+; The number of seconds a cache entry is allowed to idle in a slot in case this cache entry slot is needed by another entry
+apc.user_ttl={{ php_apc_user_ttl }}
+apc.ttl={{ php_apc_ttl }}
+; rsync = 0 | tar/cp = 2
+apc.file_update_protection={{ php_apc_file_update_protection }}
+; This option sets the percentage of processes that will skip trying to cache an uncached file
+apc.slam_defense={{ php_apc_slam_defense }}
+; Verification with ctime will avoid problems caused by programs such as svn or rsync by making sure inodes haven't changed since the last stat
+apc.stat_ctime={{ php_apc_stat_ctime }}

templates/etc/php5/mods-available/apcu.j2

@@ -1,5 +0,0 @@
-;
-; {{ ansible_managed }}
-;
-
-extension=apcu.so

tests/test.yml

@@ -23,7 +23,7 @@
       command: php -i
       changed_when: false
     - name: FILE | Create /var/www
-      file: dest=/var/www state=directory 
+      file: dest=/var/www state=directory
     - name: COPY | Add phpinfo
       copy: dest=/var/www/phpinfo.php content='<?php phpinfo();'
     - name: COMMAND | Check vhost