add update_containers script

bin/update_containers.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env sh
+
+DEBIAN_CONTAINERS=""
+ALPINE_CONTAINERS=""
+
+for c in ${ALPINE_CONTAINERS}; do
+	if [ $(lxc list -f csv -c s ${c}) = "RUNNING" ]; then
+		echo "------------------------"
+		echo "updating $c\n"
+		lxc exec $c -- apk upgrade -U;
+	fi
+done
+
+for c in ${DEBIAN_CONTAINERS}; do
+	if [ $(lxc list -f csv -c s ${c}) = "RUNNING" ]; then
+		echo "------------------------"
+		echo "updating $c\n"
+		lxc exec $c -- apt update;
+		lxc exec $c -- apt upgrade -y;
+	fi
+done
+