I've just gotten started with Ansible. I must say it's ridiculously simple.
:)
I've created a few playbooks and was setting up mysql. The module
documentation mentions editing ~/.my.cnf and some links on the net
recommend using the file in order to create a idempotent mysql playbook.
However I didn't want to write the password in a textfile.
Instead as a workaround I created two tasks in the playbook:
# This task will fail the first time when the password
# is blank
- name: Ensure MySQL Root Password is changed, this task will fail the
first time
mysql_user: name=root password={{ mysqlrootpass }} login_user=root
login_password={{ mysqlrootpass }} state=present
register: mysqlwithpassword
ignore_errors: True
- name: Set MySQL root password
mysql_user: name=root password={{ mysqlrootpass }} login_user=root
login_password='' state=present
when: mysqlwithpassword|failed
The first task will always fail on the first run and when it fail the
second task will run. Running the Playbook a second time won't change the
system making the playbook idempotent.
Would this be considered bad form in a Ansible sort of way? :) Do you see
any downside to solving the problem in this way?
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