From 3adaec1210d8df09d00ed5d97d0bab31f228ecc1 Mon Sep 17 00:00:00 2001
From: Tagada <36127788+Tagadda@users.noreply.github.com>
Date: Mon, 25 Sep 2023 14:13:16 +0200
Subject: [PATCH] Don't swap when running on a LXC

---
 scripts/ynh_add_swap | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/scripts/ynh_add_swap b/scripts/ynh_add_swap
index d7ec44b..133cdc9 100644
--- a/scripts/ynh_add_swap
+++ b/scripts/ynh_add_swap
@@ -19,6 +19,13 @@ ynh_add_swap () {
 
  	SD_CARD_CAN_SWAP=${SD_CARD_CAN_SWAP:-0}
 
+	# Can't swap inside an LXD
+	if [ "$(systemd-detect-virt)" == "lxc" ]
+	then
+		ynh_print_warn --message="You are inside a LXC container, swap will not be added, but that can cause troubles for the app $app. Please make sure you have more than $size M available RAM."
+		return
+	fi
+
 	# Swap on SD card only if it's is specified
 	if ynh_is_main_device_a_sd_card && [ "$SD_CARD_CAN_SWAP" == "0" ]
 	then