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---
# On some distributions (i.e. Ubuntu 18.04), the default version of
# python is python3 and there is no /usr/bin/python executable.
#
# When not present a failure message similar to "bash:
# /usr/bin/python: No such file or directory" will be reported.
#
# Note the use of "strategy: linear" below to temporarily bypass
# mitogen.
#
- name: Install python3 as preferred alternative
  hosts: k8s-cluster
  strategy: linear
  tasks:
    - name: Install python3 as preferred alternative
      command: update-alternatives --install /usr/bin/python python /usr/bin/python3 1