proxy_env not defined when running remove-node.yml

[nniehoff]

proxy_env is not defined when running remove-node. I was able to successfully remove a node by pulling the proxy_env definition from cluster.yml

Environment:

• Cloud provider or hardware configuration:
  Private Openstack cloud instances

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

Linux 4.15.0-111-generic x86_64
NAME="Ubuntu"
VERSION="18.04.4 LTS (Bionic Beaver)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 18.04.4 LTS"
VERSION_ID="18.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=bionic
UBUNTU_CODENAME=bionic

• Version of Ansible (ansible --version):

ansible 2.9.6
  config file = /kubespray/ansible.cfg
  configured module search path = ['/kubespray/library']
  ansible python module location = /usr/local/lib/python3.6/dist-packages/ansible
  executable location = /usr/local/bin/ansible
  python version = 3.6.9 (default, Apr 18 2020, 01:56:04) [GCC 8.4.0]

• Version of Python (python --version):

Python 3.6.9

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

01dbc909

Network plugin used:
Calico

Full inventory with variables (ansible -i inventory/sample/inventory.ini all -m debug -a "var=hostvars[inventory_hostname]"):

https://paste.ubuntu.com/p/VhxHhRDBKt/

Command used to invoke ansible:
ansible-playbook -i /kubespray/inventory/testing/hosts.yml -f 20 -u ubuntu -b -e node-3.testing.com remove-node.yml

Output of ansible run:

https://paste.ubuntu.com/p/brd9yMFjGZ/

Anything else do we need to know: