Revert "containerd/containerd#5519 removed the check for apparmor_parser. Update k0s docs to reflect that."

twz123 · twz123 · commit 5c4c78ce0dc4 · 2023-02-20T15:36:39.000+01:00
This reverts commit 9af9db3. containerd v1.6.18 reverted the removal of the check. Signed-off-by: Tom Wieczorek <twieczorek@mirantis.com>
diff --git a/docs/external-runtime-deps.md b/docs/external-runtime-deps.md
@@ -150,6 +150,14 @@ Optional cgroup controllers:
 [cgroup v1]: https://www.kernel.org/doc/html/v5.16/admin-guide/cgroup-v1/
 [cgroup v2]: https://www.kernel.org/doc/html/v5.16/admin-guide/cgroup-v2.html
 
+### containerd needs `apparmor_parser`
+
+If containerd [detects][cd-aa] that the system is configured to use [AppArmor]
+it will require a tool called `apparmor_parser` to be installed on the system.
+
+[cd-aa]: https://github.com/containerd/containerd/blob/v1.5.10/pkg/apparmor/apparmor_linux.go#L37-L48
+[AppArmor]: https://wiki.ubuntu.com/AppArmor
+
 ### Other dependencies in previous versions of k0s
 
 - up until k0s v1.21.9+k0s.0: `iptables`  
