kubernetes.cheat

% kubectl cheats

# get node info
nix shell --impure -I nixpkgs=channel:nixos-unstable --expr 'with import (builtins.findFile builtins.nixPath "nixpkgs") { config.allowUnfree = true; }; [ kubectl ]' -c kubectl get nodes -o wide



# run helm from nix
nix shell --impure -I nixpkgs=channel:nixos-unstable --expr 'with import (builtins.findFile builtins.nixPath "nixpkgs") { config.allowUnfree = true; }; [ kubernetes-helm ]' -c helm

# disable node spawning on master(s)
nix shell --impure -I nixpkgs=channel:nixos-unstable --expr 'with import (builtins.findFile builtins.nixPath "nixpkgs") { config.allowUnfree = true; }; [ kubectl ]' -c kubectl get nodes -o wide | grep master | cut -d ' ' -f 1  | xargs -I {} kubectl taint nodes {} node-role.kubernetes.io/master=:NoSchedule