Inject sysctl changing nf_conntrack_max to 131072.

This addresses #18 kubernetes-sigs/kind#2240 Signed-off-by: Kurt Garloff <scs@garloff.de>
SovereignCloudStack · Aug 18, 2021 · 01b0dc0 · 01b0dc0
1 parent 4c2eedb
commit 01b0dc0
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/terraform/mgmtcluster.tf b/terraform/mgmtcluster.tf
@@ -55,6 +55,8 @@ runcmd:
   - mv /tmp/daemon.json /etc/docker/daemon.json
   - groupadd docker
   - usermod -aG docker ${var.ssh_username}
+  - echo net.netfilter.nf_conntrack_max=131072 > /etc/sysctl.d/90-conntrack_max.conf
+  - sysctl -w -p /etc/sysctl.d/90-conntrack_max.conf
   - apt -y install docker.io
 EOF