Ensure open-vm-tools is excluded from /etc/yum.conf after installing the latest version from source #ansible #open-vm-tools #yum

ensure-package-excluded.yml

- name: OPEN VM TOOLS | Checking how many matches are there for the lines exclude and open-vm-tools
  shell: (grep -oP "(^exclude=|open-vm-tools)" /etc/yum.conf | wc -l) || true
  register: test_grep
  
# 0 matches: will add the exclude line with open-vm-tools
# 1 match:   only exclude present, unless it's a badly formatted /etc/yum.conf or the second pattern is in some comment
# 2 matches: both patterns present, will do nothing

- debug:
    msg: "Matches: {{ test_grep.stdout }}"

- name: OPEN VM TOOLS | Appending to exclude only the string 'open-vm-tools*' since it's already present
  lineinfile:
    dest: /etc/yum.conf
    regexp: '(^exclude.*)'
    backrefs: yes
    line: '\1 open-vm-tools*'
    state: present
  when: test_grep.stdout == "1"

- name: OPEN VM TOOLS | Adding the exclude line
  lineinfile:
    dest: /etc/yum.conf
    line: 'exclude=open-vm-tools*'
    state: present
  when: test_grep.stdout == "0"