a kubernetes proxmox cli
ssh into the proxmox host
vim /etc/network/interfaces
Add these line to add a new NAT network with cidr 192.168.56.1/24
auto vmbr56
iface vmbr56 inet static
address 192.168.56.1/24
bridge-ports none
bridge-stp off
bridge-fd 0
post-up iptables -t nat -A POSTROUTING -s '192.168.56.0/24' -o vmbr0 -j MASQUERADE
post-down iptables -t nat -D POSTROUTING -s '192.168.56.0/24' -o vmbr0 -j MASQUERADE
Install tools to build image
apt install libguestfs-tools
Download base image
base_img_file=jammy-server-cloudimg-amd64.img
wget https://cloud-images.ubuntu.com/jammy/current/jammy-server-cloudimg-amd64.img -O $base_img_file
Installing qemu-guest-agent
is required
base_img_file=jammy-server-cloudimg-amd64.img
img_file=jammy.img
cp $base_img_file $img_file
virt-customize -a $img_file --install qemu-guest-agent
img_file=jammy.img
storage=local-lvm
vmid=9999
core_count=1
mem_size=1024
qm create $vmid --cores $core_count --memory $mem_size --scsihw virtio-scsi-pci
qm set $vmid --name jammy
qm set $vmid --scsi0 $storage:0,import-from=$PWD/$img_file
qm set $vmid --ide2 $storage:cloudinit
qm set $vmid --boot order=scsi0
qm set $vmid --serial0 socket --vga serial0
qm template $vmid
graph TD;
cmd-->service;
service-->api;
service-->util;
cmd-->util;
util-->config;
util-->logger;
payload-->config;
util-->payload;
service-->payload;
service-->config;
cmd-->config;
service-->error;
error;
python3 -m venv .venv
source .venv/bin/activate
pip install -r requirements.txt
build it
pyinstaller --name kp --onefile --hidden-import proxmoxer.backends --hidden-import proxmoxer.backends.https main.py
sudo ln -sf $PWD/dist/kp /usr/local/bin/kp
sudo chmod +x /usr/local/bin/kp
- converting worker to control plane or in reverse is not straight forward, as
kubeadm reset
leave cni (network), iptables behind so instead of modifing the node just remove it and create a new one. - when upgrading the k8s, upgrade in-place for worker node is not a must, we can just drain it, remove it, destroy it then create a new one with installed newer k8s verion.