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Update to latest version (#325)

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* Build now functional

* Use ssh option to reduce questions

* Use IPVS

* Further e2e observations

* Tidy up

* RAM and CPU adjustments
This commit is contained in:
Alistair Mackay
2023-11-23 19:52:14 +00:00
committed by GitHub
parent 24d0565f89
commit 2dd8f64d31
22 changed files with 344 additions and 215 deletions
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22
vagrant/ubuntu/setup-kernel.sh
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@@ -1,19 +1,27 @@
#!/bin/bash
#
# Sets up the kernel with the requirements for running Kubernetes
# Requires a reboot, which is carried out by the vagrant provisioner.
set -ex
# Disable cgroups v2 (kernel command line parameter)
sed -i 's/GRUB_CMDLINE_LINUX_DEFAULT="/GRUB_CMDLINE_LINUX_DEFAULT="systemd.unified_cgroup_hierarchy=0 ipv6.disable=1 /' /etc/default/grub
update-grub
set -e
# Add br_netfilter kernel module
echo "br_netfilter" >> /etc/modules
cat <<EOF >> /etc/modules
ip_vs
ip_vs_rr
ip_vs_wrr
ip_vs_sh
br_netfilter
nf_conntrack
EOF
systemctl restart systemd-modules-load.service
# Set network tunables
cat <<EOF >> /etc/sysctl.d/10-kubernetes.conf
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1
net.bridge.bridge-nf-call-iptables=1
net.ipv4.ip_forward=1
EOF
sysctl --system