chore(server): allow configuring common opcache and fpm optimizations

roles/server/defaults/main.yml

@@ -58,3 +58,19 @@ nextcloud_paths:
     mode: "0770"
     owner: "{{ nextcloud_user_info.uid|default(nextcloud_user) }}"
     group: "root"
+
+# PHP OpCache tuning
+nextcloud_opcache_enable: 1
+nextcloud_opcache_interned_strings_buffer_mb: 32
+nextcloud_opcache_max_accelerated_files: 32531
+nextcloud_opcache_memory_consumption_mb: 256
+nextcloud_opcache_fast_shutdown: 1
+nextcloud_opcache_save_comments: 1
+nextcloud_opcache_revalidate_freq: 1
+nextcloud_opcache_validate_timestamps: 0
+
+# FPM config
+nextcloud_fpm_max_children: 64
+nextcloud_fpm_start_servers: "{{ nextcloud_fpm_max_children / 2 | int }}"
+nextcloud_fpm_min_spare_servers: "{{ nextcloud_fpm_max_children / 4 | int }}"
+nextcloud_fpm_max_spare_servers: "{{ nextcloud_fpm_max_children * 3/4 | int }}"

roles/server/templates/nextcloud-fpm-opcache.ini.j2

@@ -1,14 +1,14 @@
-opcache.enable=1
-opcache.interned_strings_buffer=32
+opcache.enable={{ nextcloud_opcache_enable }}
+opcache.interned_strings_buffer={{ nextcloud_opcache_interned_strings_buffer_mb }}
 ; next prime in the set which is suitable for large installations
 ; default for this setting is 10000 which picks the prime 7963,
 ; but default installation of nextcloud has already ~9k php files
 ; see https://www.php.net/manual/en/opcache.configuration.php#ini.opcache.max-accelerated-files
-opcache.max_accelerated_files=32531
-opcache.memory_consumption=256
+opcache.max_accelerated_files={{ nextcloud_opcache_max_accelerated_files }}
+opcache.memory_consumption={{ nextcloud_opcache_memory_consumption_mb }}
 ; deconstructor optimizations
-opcache.fast_shutdown=1
-;opcache.save_comments=1
+opcache.fast_shutdown={{ nextcloud_opcache_fast_shutdown }}
+opcache.save_comments={{ nextcloud_opcache_save_comments }}
 ; not used if validate_timestamps=0
-;opcache.revalidate_freq=1
-opcache.validate_timestamps=0
+opcache.revalidate_freq={{ nextcloud_opcache_revalidate_freq }}
+opcache.validate_timestamps={{ nextcloud_opcache_validate_timestamps }}

roles/server/templates/nextcloud-fpm.ini.j2

@@ -6,9 +6,9 @@ group = www-data
 listen = 127.0.0.1:9000
 
 pm = dynamic
-pm.max_children = 64
-pm.start_servers = 32
-pm.min_spare_servers = 24
-pm.max_spare_servers = 48
+pm.max_children = {{ nextcloud_fpm_max_children }}
+pm.start_servers = {{ nextcloud_fpm_start_servers }}
+pm.min_spare_servers = {{ nextcloud_fpm_min_spare_servers }}
+pm.max_spare_servers = {{ nextcloud_fpm_max_spare_servers }}
 
 ;pm.max_requests=500