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Ansible: trick to install python2 on python3-only hosts

№ 9442 В разделе Sysadmin от September 28th, 2018,
В подшивках: Ansible

Most of Ansible plugins requires Python 2 installed but modern Linux OS doesn’t have it. I created separated from other playbook task to install python 2 but temporarily changed interpreter with ansible_python_interpreter: /usr/bin/python3. After this you can start other tasks as usual.

Playbook project.yml:

- name: Checkout python2
  hosts: project
  vars:
    ansible_python_interpreter: /usr/bin/python3
  roles:
    - python2

- name: Configure platform
  hosts: project
  roles:
    - system

Sample code https://git.blindage.org/21h/ansible-library/src/branch/python3_trick

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