Fix upgrade from the old version

conf/lufi.conf.template

@@ -117,7 +117,7 @@
     # choose what database you want to use
     # valid choices are sqlite, postgresql and mysql (all lowercase)
     # optional, default is sqlite
-    dbtype => 'postgresql',
+    dbtype => '__DB_MANAGER__',
 
     # SQLite ONLY - only used if dbtype is set to sqlite
     # define a path to the SQLite database

scripts/backup

@@ -30,6 +30,7 @@ app=$YNH_APP_INSTANCE_NAME
 final_path=$(ynh_app_setting_get $app final_path)
 domain=$(ynh_app_setting_get $app domain)
 db_name=$(ynh_app_setting_get $app db_name)
+db_manager=$(ynh_app_setting_get $app db_manager)
 
 #=================================================
 # STANDARD BACKUP STEPS
@@ -52,7 +53,9 @@ ynh_backup "/etc/nginx/conf.d/$domain.d/$app.conf"
 #=================================================
 ynh_print_info "Backing up the PostgreSQL database..."
 
-ynh_psql_dump_db "$db_name" > db.sql
+if [ $db_manager = "postgresql" ]; then
+	ynh_psql_dump_db "$db_name" > db.sql
+fi
 
 #=================================================
 # SPECIFIC BACKUP

scripts/change_url

@@ -37,6 +37,7 @@ db_pwd=$(ynh_app_setting_get $app psqlpwd)
 db_user=$db_name
 secret=$(ynh_app_setting_get $app secret)
 max_file_size=$(ynh_app_setting_get $app max_file_size)
+db_manager=$(ynh_app_setting_get $app db_manager)
 
 #=================================================
 # CHECK THE SYNTAX OF THE PATHS
@@ -112,6 +113,7 @@ ynh_replace_string "__DB_NAME__" "$db_name"  "${final_path}/lufi.conf"
 ynh_replace_string "__DB_USER__" "$db_user"  "${final_path}/lufi.conf"
 ynh_replace_string "__DB_PWD__" "$db_pwd" "${final_path}/lufi.conf"
 ynh_replace_string "__MAX_FILE_SIZE__" "$max_file_size" "${final_path}/lufi.conf"
+ynh_replace_string "__DB_MANAGER__" "$db_manager" "${final_path}/lufi.conf"
 if [ $max_file_size -eq 0 ]; then # Comment the limitation line if no limit
 	ynh_replace_string "max_file_size" "#max_file_size" "${final_path}/lufi.conf"
 fi

scripts/install

@@ -48,6 +48,9 @@ if ! [[ $max_file_size =~ "^[\-0-9]+$" ]] && [ $max_file_size -lt 0 ]; then
    ynh_die "Max file must be a number positive or zero"
 fi
 
+# Use postgresql by default
+db_manager="postgresql"
+
 # Check web path availability
 ynh_webpath_available $domain $path_url
 # Register (book) web path
@@ -73,6 +76,7 @@ ynh_app_setting_set $app is_public $is_public
 ynh_app_setting_set $app port $port
 ynh_app_setting_set $app path $path_url
 ynh_app_setting_set $app max_file_size $max_file_size
+ynh_app_setting_set $app db_manager $db_manager
 
 #=================================================
 # STANDARD MODIFICATIONS
@@ -137,6 +141,7 @@ ynh_replace_string "__DB_NAME__" "$db_name"  "${final_path}/lufi.conf"
 ynh_replace_string "__DB_USER__" "$db_user"  "${final_path}/lufi.conf"
 ynh_replace_string "__DB_PWD__" "$db_pwd" "${final_path}/lufi.conf"
 ynh_replace_string "__MAX_FILE_SIZE__" "$max_file_size" "${final_path}/lufi.conf"
+ynh_replace_string "__DB_MANAGER__" "$db_manager" "${final_path}/lufi.conf"
 if [ $max_file_size -eq 0 ]; then # Comment the limitation line if no limit
 	ynh_replace_string "max_file_size" "#max_file_size" "${final_path}/lufi.conf"
 fi

scripts/remove

@@ -63,7 +63,7 @@ ynh_remove_nginx_config
 # DELETE LOG
 #=================================================
 
-ynh_secure_remove "/var/log/$app/"
+ynh_secure_remove "/var/log/$app"
 
 #=================================================
 # REMOVE LOGROTATE CONFIGURATION

scripts/restore

@@ -32,6 +32,7 @@ domain=$(ynh_app_setting_get $app domain)
 path_url=$(ynh_app_setting_get $app path)
 final_path=$(ynh_app_setting_get $app final_path)
 db_name=$(ynh_app_setting_get $app db_name)
+db_manager=$(ynh_app_setting_get $app db_manager)
 
 #=================================================
 # CHECK IF THE APP CAN BE RESTORED
@@ -79,12 +80,15 @@ ynh_system_user_create $app
 #=================================================
 # RESTORE THE POSTGRESQL DATABASE
 #=================================================
-ynh_print_info "Restoring the PostregSQL database..."
 
-db_pwd=$(ynh_app_setting_get $app psqlpwd)
-ynh_psql_test_if_first_run
-ynh_psql_setup_db $db_name $db_name $db_pwd
-ynh_psql_connect_as $db_name $db_pwd $db_name < ./db.sql
+if [ $db_manager = "postgresql" ]; then
+	ynh_print_info "Restoring the PostregSQL database..."
+
+	db_pwd=$(ynh_app_setting_get $app psqlpwd)
+	ynh_psql_test_if_first_run
+	ynh_psql_setup_db $db_name $db_name $db_pwd
+	ynh_psql_connect_as $db_name $db_pwd $db_name < ./db.sql
+fi
 
 #=================================================
 # RESTORE USER RIGHTS

scripts/upgrade

@@ -26,6 +26,7 @@ db_name=$(ynh_app_setting_get $app db_name)
 db_user=$db_name
 db_pwd=$(ynh_app_setting_get $app psqlpwd)
 max_file_size=$(ynh_app_setting_get $app max_file_size)
+db_manager=$(ynh_app_setting_get $app db_manager)
 
 #=================================================
 # FIX OLD THINGS
@@ -59,6 +60,11 @@ if [ -z "$max_file_size" ]; then
 	max_file_size=100 # 100 Mo
 fi
 
+# If db_manager is empty, use sqlite for a backward compatibility
+if [ -z "$db_manager" ]; then
+	db_manager="sqlite"
+fi
+
 #=================================================
 # BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
 #=================================================
@@ -116,6 +122,7 @@ ynh_replace_string "__DB_NAME__" "$db_name"  "${final_path}/lufi.conf"
 ynh_replace_string "__DB_USER__" "$db_user"  "${final_path}/lufi.conf"
 ynh_replace_string "__DB_PWD__" "$db_pwd" "${final_path}/lufi.conf"
 ynh_replace_string "__MAX_FILE_SIZE__" "$max_file_size" "${final_path}/lufi.conf"
+ynh_replace_string "__DB_MANAGER__" "$db_manager" "${final_path}/lufi.conf"
 if [ $max_file_size -eq 0 ]; then # Comment the limitation line if no limit
 	ynh_replace_string "max_file_size" "#max_file_size" "${final_path}/lufi.conf"
 fi
@@ -141,7 +148,7 @@ chmod +x $final_path/script/lufi
 # SECURING FILES AND DIRECTORIES
 #=================================================
 
-chown -R $app:$app "$final_path"
+chown -R $app: "$final_path"
 
 #=================================================
 # SETUP SYSTEMD
@@ -156,7 +163,11 @@ ynh_add_systemd_config
 #=================================================
 
 pushd $final_path
-carton install --deployment --without=sqlite --without=mysql
+if [ $db_manager = "postgresql" ]; then
+	carton install --deployment --without=sqlite --without=mysql
+else
+	carton install --deployment --without=postgresql --without=mysql
+fi
 popd
 
 #=================================================
@@ -171,14 +182,21 @@ ynh_use_logrotate --non-append
 # ADVERTISE SERVICE IN ADMIN PANEL
 #=================================================
 
+# if /var/log/$app/production.log is a symbolic link, then move it to $final_path/log/production.log
+if [ ! -L "/var/log/$app/production.log" ]
+then
+	mv "/var/log/$app/production.log" "$final_path/log/production.log"
+	chown -R $app: "$final_path/log/production.log"
+fi
+
 yunohost service add $app --log "$final_path/log/production.log"
 
 #=================================================
 # RESTART LUFI
 #=================================================
 
-ynh_systemd_action -n $app -a reload -l "Creating process id file" -p "$final_path/log/production.log"
 ln -sf "$final_path/log/production.log" "/var/log/$app/production.log"
+ynh_systemd_action -n $app -a restart -l "Creating process id file" -p "$final_path/log/production.log"
 
 #=================================================
 # SETUP SSOWAT