Redis helpers.

scripts/_common.sh

@@ -10,3 +10,41 @@ current_hash=cc5b1c950be5b1b290ea76e3419057dffaeab797
 #=================================================
 # PERSONAL HELPERS
 #=================================================
+
+# get the first available redis database
+#
+# usage: ynh_redis_get_free_db
+# | returns: the database number to use
+ynh_redis_get_free_db() {
+	local result max db
+	result="$(redis-cli INFO keyspace)"
+
+	# get the num
+	max=$(cat /etc/redis/redis.conf | grep ^databases | grep -Eow "[0-9]+")
+
+	db=0
+	# default Debian setting is 15 databases
+	for i in $(seq 0 "$max")
+	do
+	 	if ! echo "$result" | grep -q "db$i"
+	 	then
+			db=$i
+	 		break 1
+ 		fi
+ 		db=-1
+	done
+
+	test "$db" -eq -1 && ynh_die --message="No available Redis databases..."
+
+	echo "$db"
+}
+
+# Create a master password and set up global settings
+# Please always call this script in install and restore scripts
+#
+# usage: ynh_redis_remove_db database
+# | arg: database - the database to erase
+ynh_redis_remove_db() {
+	local db=$1
+	redis-cli -n "$db" flushall
+}

scripts/remove

@@ -16,13 +16,19 @@ source /usr/share/yunohost/helpers
 ynh_script_progression --message="Removing system configurations related to $app..."
 
 # Remove the service from the list of services known by YunoHost (added from `yunohost service add`)
-if ynh_exec_warn_less yunohost service status $app >/dev/null
+if ynh_exec_warn_less yunohost service status $app-backend >/dev/null
 then
-	ynh_script_progression --message="Removing $app service integration..."
+    ynh_script_progression --message="Removing $app-backend service integration..."
-	yunohost service remove $app
+    yunohost service remove $app-backend
+    ynh_remove_systemd_config --service="$app-backend"
 fi
 
-ynh_remove_systemd_config
+if ynh_exec_warn_less yunohost service status $app-exporter >/dev/null
+then
+    ynh_script_progression --message="Removing $app-exporter service integration..."
+    yunohost service remove $app-exporter
+    ynh_remove_systemd_config --service="$app-exporter"
+fi
 
 ynh_remove_nginx_config
 
@@ -32,6 +38,8 @@ ynh_remove_logrotate
 
 ynh_secure_remove --file="/var/log/$app"
 
+ynh_redis_remove_db "$redis_db"
+
 #=================================================
 # END OF SCRIPT
 #=================================================