scale via bastion

[metanovii]

Environment:

• Cloud provider or hardware configuration:
  openstack

• OS (printf "$(uname -srm)\n$(cat /etc/os-release)\n"):

• Version of Ansible (ansible --version): 2.9.9

• Version of Python (python --version): 3.8.6

Kubespray version (commit) (git rev-parse --short HEAD): a923f4e

Network plugin used: calico

Full inventory with variables (ansible -i inventory/sample/inventory.ini all -m debug -a "var=hostvars[inventory_hostname]"):
https://gist.github.com/metanovii/09d232167170dd16ef0bd028b43187d7

Command used to invoke ansible:
from terraform :

  provisioner "local-exec" {
    command = <<EOF
      ansible-playbook -i ${path.module}/artifacts/inventory.ini \
      -e "@${path.module}/provision/extra_vars_k8s_provision.yml" \
      -e apiserver_loadbalancer_domain_name=${var.apiserver_loadbalancer_domain_name} \
      ${path.module}/provision/kubespray/${var.action}.yml -vvvvvv
    EOF

Output of ansible run:
https://gist.github.com/metanovii/d9120e642f88b135e83582cce2ddb044

This PR solve problem - #7265