info #
Cluster ip = 10.0.11.0
Setup cluster #
OS #
start with a ubuntu server setup nothing special. consider setting up ssh keys.
install k3sup #
Follow documentation on their website.
k3s install first server (wls) #
k3sup install \
--ip 10.0.11.1 \
--tls-san kube.ian.lan \
--tls-san 10.0.11.0 \
--cluster \
--k3s-channel latest \
--k3s-extra-args "--disable=servicelb --disable=traefik" \
--local-path ~/.kube/config \
--user ian \
--merge
k3s install other node servers #
k3sup join \
--ip 10.0.11.2 \
--server-ip 10.0.11.1 \
--server \
--k3s-channel latest \
--k3s-extra-args "--disable=servicelb --disable=traefik" \
--user ian
changing launch arguments after the fact #
Edit /etc/systemd/system/k3s.service
Install dependencies nfs-common for nfs share use #
apt-get install open-iscsi nfs-common
kube-vip Loadbalancer #
install #
follow documentation leave everting default. (https://kube-vip.io/docs/installation/daemonset/)
service ip #
Add --type=LoadBalancer to deployment to give the service an ip address or under spec: add type: LoadBalancer tag.
Or in helm values yaml you can also add it like this: (depends on helm chart)
service:
spec:
type: LoadBalancer
loadBalancerIP: 10.0.20.1 ## optional
loadbalancer ip change #
adding an ip to the cluster cert k3s server --tls-san "<your-desired-ip>"
gitops #
flux bootstrap command #
flux bootstrap git --url=ssh://[email protected]:38522/homelab/homelab --branch=main --path=clusters/homelab --token-auth=false --private-key-file=./.ssh/id_rsa
gitlab bootstrap command #
glab cluster agent bootstrap --manifest-path clusters/homelab homelab
deploying with flux #
Just add the kubernetes yaml configuration files to the clusters/homelab folder on my homelab repo.
Topology #
