Fix the management of the size of the attachments.

library/roles/roundcube/defaults/main.yml

@@ -140,3 +140,6 @@ roundcube_additional_plugins: []
 
 # In Megabytes. This affects both the nginx/apache and php configurations
 roundcube_max_attachments_size: 5
+# This one is represented in bytes instead.
+roundcube_max_db_allowed_packet: '{{ roundcube_max_attachments_size * 1024 * 1024 * 5 }}'
+

library/roles/roundcube/templates/config.inc.php.j2

@@ -27,6 +27,12 @@ $config = array();
 //       or (Windows): 'sqlite:///C:/full/path/to/sqlite.db'
 $config['db_dsnw'] = '{{ roundcube_db }}://{{ roundcube_db_user }}:{{ roundcube_db_pwd }}@{{ roundcube_db_host }}/{{ roundcube_db_name}}';
 
+// It is possible to specify database variable values e.g. some limits here.
+// Use them if your server is not MySQL or for better performance.
+// For example Roundcube uses max_allowed_packet value (in bytes)
+// which limits query size for database cache operations.
+$config['db_max_allowed_packet'] = '{{ roundcube_max_db_allowed_packet }}';
+
 // The IMAP host chosen to perform the log-in.
 // Leave blank to show a textbox at login, give a list of hosts
 // to display a pulldown menu or set one host as string.
@@ -80,7 +86,7 @@ $config['des_key'] = '{{ roundcube_crypt_key }}';
 $config['cipher_method'] = 'AES-256-CBC';
 
 // List of active plugins (in plugins/ directory)
-$config['plugins'] = array({% for plug in roundcube_default_plugins %}'{{ plug }}', {% endfor %}{% for opt_plug in roundcube_optional_plugins %}'{{ opt_plug }}', {% endfor %}{% for add_plug in roundcube_additional_plugins %}'{{ add_plug }}', {% endfor %}{% if roundcube_install_enigma %}{{ roundcube_enigma_plugin }}{% endif %});
+$config['plugins'] = array({% for plug in roundcube_default_plugins %}'{{ plug }}', {% endfor %}{% for opt_plug in roundcube_optional_plugins %}'{{ opt_plug }}', {% endfor %}{% for add_plug in roundcube_additional_plugins %}'{{ add_plug }}', {% endfor %}{% if roundcube_install_enigma %}'{{ roundcube_enigma_plugin }}'{% endif %});
 
 {% if roundcube_install_enigma %}
 // Enigma Plugin options
@@ -201,6 +207,11 @@ $config['apc_max_allowed_packet'] = '2M';
 $config['redis_max_allowed_packet'] = '2M';
 {% endif %}
 
+// Message size limit. Note that SMTP server(s) may use a different value.
+// This limit is verified when user attaches files to a composed message.
+// Size in bytes (possible unit suffix: K, M, G)
+$config['max_message_size'] = '{{ roundcube_max_attachments_size }}M';
+
 // THIS OPTION WILL ALLOW THE INSTALLER TO RUN AND CAN EXPOSE SENSITIVE CONFIG DATA.
 // ONLY ENABLE IT IF YOU'RE REALLY SURE WHAT YOU'RE DOING!
 $config['enable_installer'] = false;

library/roles/roundcube/vars/main.yml

@@ -4,7 +4,7 @@ nginx_client_max_body_size: '{{ roundcube_max_attachments_size * 2 }}M'
 
 phpfpm_default_user: '{{ roundcube_user }}'
 phpfpm_default_pool_name: roundcube
-phpfpm_default_memory_limit: '{{ roundcube_max_attachments_size * 4 }}M'
+phpfpm_default_memory_limit: '{{ roundcube_max_attachments_size * 10 }}M'
 redis_install: False
 http_port: 80
 https_port: 443
@@ -28,8 +28,6 @@ php_additional_packages:
   - postgresql-client
   - 'php{{ php_version }}-memcache'
 
-phpfpm_default_memory_limit: "64M"
-
 php_global_settings:
   - { option: 'zlib.output_compression', value: 'Off' }
   - { option: 'post_max_size', value: '{{ roundcube_max_attachments_size }}M' }
@@ -55,5 +53,5 @@ php_global_settings:
 php_cli_global_settings: '{{ php_global_settings }}'
 
 phpfpm_pools:
-  - { pool_name: '{{ phpfpm_default_pool_name }}', app_context: '{{ phpfpm_default_context }}', user: '{{ phpfpm_default_user }}', group: '{{ phpfpm_default_group }}', listen: '{{ phpfpm_default_listen }}', allowed_clients: '{{ phpfpm_default_allowed_clients }}', pm: '{{ phpfpm_default_pm }}', pm_max_children: '{{ phpfpm_default_pm_max_children }}', pm_start_servers: '{{ phpfpm_default_pm_start_servers }}', pm_min_spare: '{{ phpfpm_default_pm_min_spare_servers }}', pm_max_spare: '{{ phpfpm_default_pm_max_spare_servers }}', pm_max_requests: '{{ phpfpm_default_pm_max_requests }}', pm_status_enabled: '{{ phpfpm_default_pm_status_enabled }}', pm_status_path: '{{ phpfpm_default_pm_status_path }}', ping_enabled: '{{ phpfpm_default_ping_enabled }}', ping_path: '{{ phpfpm_default_ping_path }}', ping_response: '{{ phpfpm_default_ping_response }}', display_errors: '{{ phpfpm_default_display_errors }}', log_errors: '{{ phpfpm_default_log_errors }}', memory_limit: '{{ phpfpm_default_memory_limit }}', slowlog_timeout: '{{ phpfpm_default_slowlog_timeout }}', rlimit_files: '{{ phpfpm_default_rlimit_files }}', php_extensions: '{{ phpfpm_default_extensions }}', define_custom_variables: '{{ phpfpm_default_define_custom_variables }}', doc_root: '{{ roundcube_web_root }}/public_html', req_term_timeout: '240s', virthost: '{{ roundcube_servername }}', nginx_servername: '{{ roundcube_servername }}' }
+  - { pool_name: '{{ phpfpm_default_pool_name }}', app_context: '{{ phpfpm_default_context }}', user: '{{ phpfpm_default_user }}', group: '{{ phpfpm_default_group }}', listen: '{{ phpfpm_default_listen }}', allowed_clients: '{{ phpfpm_default_allowed_clients }}', pm: '{{ phpfpm_default_pm }}', pm_max_children: '{{ phpfpm_default_pm_max_children }}', pm_start_servers: '{{ phpfpm_default_pm_start_servers }}', pm_min_spare: '{{ phpfpm_default_pm_min_spare_servers }}', pm_max_spare: '{{ phpfpm_default_pm_max_spare_servers }}', pm_max_requests: '{{ phpfpm_default_pm_max_requests }}', pm_status_enabled: '{{ phpfpm_default_pm_status_enabled }}', pm_status_path: '{{ phpfpm_default_pm_status_path }}', ping_enabled: '{{ phpfpm_default_ping_enabled }}', ping_path: '{{ phpfpm_default_ping_path }}', ping_response: '{{ phpfpm_default_ping_response }}', display_errors: '{{ phpfpm_default_display_errors }}', log_errors: '{{ phpfpm_default_log_errors }}', memory_limit: '{{ phpfpm_default_memory_limit }}', slowlog_timeout: '{{ phpfpm_default_slowlog_timeout }}', rlimit_files: '{{ phpfpm_default_rlimit_files }}', php_extensions: '{{ phpfpm_default_extensions }}', upload_max_filesize: '{{ roundcube_max_attachments_size }}M', define_custom_variables: '{{ phpfpm_default_define_custom_variables }}', doc_root: '{{ roundcube_web_root }}/public_html', req_term_timeout: '240s', virthost: '{{ roundcube_servername }}', nginx_servername: '{{ roundcube_servername }}' }