PHRAS-4053 redis native session (#4505)

* PHRASEANET_USER_SESSION_LIFETIME as php session.gc_maxlifetime

* dissociate PHRASEANET_SESSION_TYPE and php SESSION_SAVE_HANDLER

.env

@@ -485,7 +485,7 @@ PHRASEANET_CACHE_HOST=redis
 # @run
 PHRASEANET_CACHE_PORT=6379
 
-# PHP session management
+# PHP session management : this must be related to the SESSION_SAVE_HANDLER parameter. type can be redis, file or native
 # @run
 PHRASEANET_SESSION_TYPE=redis
 # @run

docker/phraseanet/php.ini.sample

@@ -1412,7 +1412,7 @@ session.gc_divisor = 1000
 ; After this number of seconds, stored data will be seen as 'garbage' and
 ; cleaned up by the garbage collection process.
 ; http://php.net/session.gc-maxlifetime
-session.gc_maxlifetime = 1440
+session.gc_maxlifetime = $PHRASEANET_USER_SESSION_LIFETIME
 
 ; NOTE: If you are using the subdirectory option for storing session files
 ;       (see session.save_path above), then garbage collection does *not*

docker/phraseanet/setup/entrypoint.sh

@@ -157,21 +157,16 @@ if [[ -f "$FILE" && $PHRASEANET_SETUP = 1 ]]; then
     fi
 
     echo `date +"%Y-%m-%d %H:%M:%S"` " - Phraseanet setting session type"
-    echo `date +"%Y-%m-%d %H:%M:%S"` " - SESSION_SAVE_HANDLER is $SESSION_SAVE_HANDLER"
-
-    if [[ $SESSION_SAVE_HANDLER == file ]]; then
-        bin/setup system:config set main.session.type "$SESSION_SAVE_HANDLER"
-        echo `date +"%Y-%m-%d %H:%M:%S"` " - Phraseanet PHP session manager is $SESSION_SAVE_HANDLER"
-    elif [[ $SESSION_SAVE_HANDLER == redis ]]; then
-        echo `date +"%Y-%m-%d %H:%M:%S"` " - Phraseanet PHP session manager is Redis : setting Host to $PHRASEANET_SESSION_TYPE"         
-        bin/setup system:config set main.session.type $PHRASEANET_SESSION_TYPE
+    echo `date +"%Y-%m-%d %H:%M:%S"` " - PHRASEANET_SESSION_TYPE is $PHRASEANET_SESSION_TYPE"
+
+        bin/setup system:config set main.session.type "$PHRASEANET_SESSION_TYPE"
+
+    if [[ $PHRASEANET_SESSION_TYPE == redis ]]; then
+        echo `date +"%Y-%m-%d %H:%M:%S"` " - Phraseanet PHP session manager is Redis : setting redis connexion parameters"         
         bin/setup system:config set main.session.options.host $PHRASEANET_SESSION_HOST
         bin/setup system:config set main.session.options.port $PHRASEANET_SESSION_PORT
         bin/setup system:config set main.session.options.namespace $PHRASEANET_HOSTNAME
         bin/setup system:config set main.session.ttl $PHRASEANET_USER_SESSION_LIFETIME
-    else 
-        bin/setup system:config set main.session.type "native"
-        echo `date +"%Y-%m-%d %H:%M:%S"` " - Phraseanet PHP session manager is Native"
     fi
 
     ## Phraseanet application Database setting