On 01.08.2016 18:56, Patrick Laimbock wrote:
Hi,
Ansible 2.1.1.0.
Situation: Tim and Bob both deploy servers. Tim checks out the central
ansible git repo to /home/tim/ansible while Bob checks it out to
/home/bob/ansible. No special ansible.cfg is used by either.
This is a very common way to do it.
You can also put the ansible.cfg in this folder so everybody shares the
same ansible.cfg.
Problem: paths differ (/home/tim/ansible vs /home/bob/ansible) so you
can not use static paths in the playbooks etc.
This is not a problem you always use relative paths and not
absolute(static) path.
Question: how do you solve that? How do you specify something like a
base_dir variable which is read early on so that all static paths can
be replaced.
Relative path and Ansible has a directory layout that it understand, I
recommend reading this page that explain the concept.
https://docs.ansible.com/ansible/playbooks_best_practices.html
So when you run ansible or ansible-playbook Tim and Bob will always run
them from within ~/ansible
<example based on Google findings which I could not make work>
$ grep base_dir /home/tim/ansible/inventory/group_vars/all
base_dir: "{{ lookup('pipe', 'git rev-parse --show-toplevel') }}"
In Tim's case base_dir should be "/home/tim/ansible".
$ cat /home/tim/ansible/vars/global_vars.yml
roles: "{{ base_dir}}/roles"
handlersdir: "{{ base_dir }}/handlers"
tasksdir: "{{ base_dir }}/tasks"
playbooksdir: "{{ base_dir }}/playbooks"
includedir: "{{ base_dir }}/playbooks/include"
manualdir: "{{ base_dir }}/playbooks/manual"
varsdir: "{{ base_dir }}/vars"
$ cat /home/tim/ansible/playbooks/groups/dns
- name: setup dns servers
hosts: dns
user: root
gather_facts: True
vars_files:
- "{{ base_dir }}/vars/global_vars.yml
roles:
- base
- dns
It looks like a very strange concept, I do recommend picking up a
Ansible book to get basic knowledge of how Ansible works.
--
Kai Stian Olstad
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