Add CGROUP_PATH export command to functional test readme
@@ -28,6 +28,9 @@ You should run following commands to set up the IP tables rules:
* `iptables -t nat -A PREROUTING -p tcp -d 169.254.170.2 --dport 80 -j DNAT --to-destination 127.0.0.1:51679`
* `iptables -t nat -A OUTPUT -d 169.254.170.2 -p tcp -m tcp --dport 80 -j REDIRECT --to-ports 51679`
+For Amazon Linux 2 operating system, following additional step is required:
+* `export CGROUP_PATH="/sys/fs/cgroup"`
+
#### Environment variables
In order to run telemetry functional test in non Amazon Linux AMI environment
with older versions of the ECS agent (pre-1.10.0), the following environment
