Hello everybody !
I'm kind of new around here and a fresh new Ansible user ! So my questions
may sounds little bit stupid...
Anyway ! My environment is the following : I'm using ansible to manage VM
behind a bastion. So I have a ssh.cfg file with ProxyCommand in it etc.
Everything is working but this is slow ! And this is actually normal.
Still, I was wondering how exactly copy / unarchive / file modules are
proceeding.
Let's assume that I have a httpd.conf file deployed on my VM. Everytime I'm
running my playbook with the copy module with a httpd.conf file as src
parameter, what is going to happen ?
Is Ansible going to check if modifications have been done ? Or is Ansible
simply replacing the file ?
I'm asking these questions because when I run my playbook, I get the "ok"
status for the copy task but couldn't find anything about it ! I really
want to make sure that ansible isn't doing anything that could slow down my
general deployment.
Indeed, I want to know what is better in term of speed :
- Use the copy module directly
OR
- add a WHEN condition to the copy task and have a rapid checksum using
stat module before running the copy ?
Basically, my general question is :
What is actually doing copy / file (symlink use case) / unarchive modules
whereas the version on the remote server is the same as the local one !
My goal is to avoid any useless operations in order to minimize the time of
my playbook run.
So that I have an answer to this question : Is it worth using different
stat module in order to determine if I should run a task or not ?
As an example, is it better to perform this :
- name: Checking if the link has to be updated
stat:
path: "{{ ihm_symlink_name }}"
register: ihm_lnk_stat
- name: Update the {{ name }} symlink to point at the new folder
file:
src: "{{ folder_path }}"
dest: "{{ symlink_name }}"
state: link
when: ihm_lnk_stat.stat.lnk_target != "{{ folder_path }}"
OR simply that :
- name: Update the {{ name }} symlink to point at the new folder
file:
src: "{{ folder_path }}"
dest: "{{ symlink_name }}"
state: link
I hope you see what I mean and why I'm asking me this question ! If not,
please tell me, I'll try to rephrase !
Thank you for reading me !
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