Fix the python role to install and clean up in idempotent manner

1 files changed, 25 insertions, 1 deletions

diff --git a/roles/python/tasks/main.yml b/roles/python/tasks/main.yml
index ea78bed0..d2dfc9a9 100644
--- a/roles/python/tasks/main.yml
+++ b/roles/python/tasks/main.yml
@@ -32,6 +32,30 @@
           export PATH="$PATH:$HOME/.local/bin"
       fi
 
+- name: "Get installed python versions"
+  ansible.builtin.command:
+    cmd: "pyenv versions --bare"
+  environment:
+    PATH: "/home/linuxbrew/.linuxbrew/bin:{{ ansible_env.PATH }}"
+  register: installed_python_versions
+  changed_when: false
+  failed_when: false
+
+- name: "Remove unwanted python versions"
+  vars:
+    major_minor: "{{ item | regex_replace('^([0-9]+\\.[0-9]+).*', '\\1') }}"
+  ansible.builtin.command:
+    cmd: "pyenv uninstall -f {{ item }}"
+  environment:
+    PATH: "/home/linuxbrew/.linuxbrew/bin:{{ ansible_env.PATH }}"
+  loop: "{{ installed_python_versions.stdout_lines | default([]) }}"
+  when:
+    - installed_python_versions.rc == 0
+    - item is regex('^[0-9]+\.[0-9]+')
+    - item not in python_versions
+    - major_minor not in python_versions
+  changed_when: true
+
 - name: "Install python versions"
   ansible.builtin.command:
     cmd: "pyenv install {{ item }}"
@@ -39,7 +63,7 @@
     creates: "{{ ansible_env.HOME }}/.pyenv/versions/{{ item }}*/bin/python"
   environment:
     PATH: "/home/linuxbrew/.linuxbrew/bin:{{ ansible_env.PATH }}"
-  with_items: "{{ python_versions | default([]) }}"
+  with_items: "{{ python_versions }}"
 
 - name: "Set global python version"
   ansible.builtin.command: