docker: Set alternatives for iptables

This is to avoid the below issue while starting up docker. ``` Mar 24 22:59:10 ubuntu-jammy dockerd[2820]: failed to start daemon: Error initializing network controller: error obtaining controller instance: failed to create NAT chain DOCKER: iptables failed: iptables -t nat -N DOCKER: iptables v1.8.7 (nf_tables): Could not fetch rule set generation id: Invalid argument ``` Relates: docker/for-linux#1437 Signed-off-by: Tam Mach <[email protected]>
sayboras · Mar 25, 2023 · 9bcab51 · 9bcab51
1 parent 1ca4a2b
commit 9bcab51
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/provision/ubuntu/install.sh b/provision/ubuntu/install.sh
@@ -157,8 +157,12 @@ cat <<EOF > /etc/apt/sources.list.d/kubernetes.list
 deb http://apt.kubernetes.io/ kubernetes-xenial main
 EOF
 
-# wget https://packages.cloud.google.com/apt/doc/apt-key.gpg
-# apt-key add apt-key.gpg
+if [ "${NETNEXT}" == "true" ]; then
+    # Workaround for docker issue with iptables 1.8.7 in newer kernel versions
+    # https://github.com/docker/for-linux/issues/1437
+    update-alternatives --set iptables /usr/sbin/iptables-legacy
+    update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy
+fi
 
 #Install packages
 sudo apt-get update