Python2 trick

inventory.ini

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+[project:children]
+project-balancers
+project-nodes
+
+[project-balancers]
+project-balancer0 ansible_host=srv-balancer0.project.com ansible_user=root ansible_ssh_private_key_file="secrets/superkey.pem"
+project-balancer1 ansible_host=srv-balancer1.project.com ansible_user=root ansible_ssh_private_key_file="secrets/superkey.pem"
+
+[project-nodes]
+project-node0 ansible_host=srv-node0.project.com ansible_user=root ansible_ssh_private_key_file="secrets/superkey.pem"
+project-node1 ansible_host=srv-node1.project.com ansible_user=root ansible_ssh_private_key_file="secrets/superkey.pem"
+project-node2 ansible_host=srv-node2.project.com ansible_user=root ansible_ssh_private_key_file="secrets/superkey.pem"
+project-node3 ansible_host=srv-node3.project.com ansible_user=root ansible_ssh_private_key_file="secrets/superkey.pem"

project.yml

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+---
+- name: Checkout python2
+  hosts: project
+  vars:
+    ansible_python_interpreter: /usr/bin/python3
+  roles:
+    - python2
+
+- name: Configure platform
+  hosts: project
+  roles:
+    - system
+    - nginx
+
+- name: Configure balancers
+  hosts: project-balancers
+  roles:
+    - certbot
+    - nginx-balancer
+
+- name: Configure nodes
+  hosts: project-nodes
+  roles:
+    - mongodb
+    - nginx-node
+    - php-fpm
+    - deploy
+
+

readme.md

@@ -1,13 +1,5 @@
-# My useful ansible playbooks
+# Install required for Ansible python 2.7
 
-Security management:
-
-- [Centralized SSH keys management](https://git.blindage.org/21h/ansible-library/src/branch/centralized-keys)
-
-System and monitoring:
-
-- [Create systemd and upstart scripts](https://git.blindage.org/21h/ansible-library/src/branch/sys-systemd-and-upstart)
-
-Web deployment:
-
-- [PHP 7.1 FPM + Nginx](https://git.blindage.org/21h/ansible-library/src/branch/web-nginx-php-fpm7.1)
+This playbook shows you a trick to install python 2.7 into fresh created python3-only hosts. 
+For example Ubuntu 16.04 or 18.04 doesnt have python2 libs on-board. Look at first task run 
+with addition var to use Python3 for installing Python2 and next tasks with default Ansible interpreter.

roles/python2/tasks/main.yml

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+---
+- name: Install python2
+  apt: name=python state=present
+
+- name: Install python pip
+  apt: name=python-pip state=present