An extracted part of a Chef recipe to deploy Kubernetes with Kubeadm

master.rb

execute 'kubeadm init' do
  command = <<-CMD
    kubeadm init \
    --token=#{node['kubeadm']['token']} \
    --pod-network-cidr=#{node['kubeadm']['pod_cidr']} \
    --service-cidr=#{node['kubeadm']['service_cidr']} \
    --service-dns-domain=#{node['kubeadm']['dns_domain']} \
    --apiserver-advertise-address=#{node['kubeadm']['api_ip_address']}
  CMD
  action :run
  not_if "grep 'https://#{node['kubeadm']['api_ip_address']}' /etc/kubernetes/kubelet.conf"
end