Hi,
I am just starting working with Ansible, and am trying to modify an
existing playbook that is used to install MySQL. I need to have it check a
Mysql version string, and if it is greater than or equal to a specific
version, use that as a conditional in a "when".
I already have the version string and output it just to see what the
version string looks like:
- name: "Ansible | Print a variable"
debug:
msg: "The play_mysql_version is {{ play_mysql_version }}"
The output is:
{
"msg": "The play_mysql_version is 8.0.28-1.el7",
"changed": false,
"_ansible_verbose_always": true,
"_ansible_no_log": false
}
i.e., the version string is " 8.0.28-1.el7 ".
Later in the same playbook, I have a step where I want to have a "when"
that checks that the "numeric part" of the version string that is in
play_mysql_version, i.e. "8.0.28", is greater than, or equal to, "8.0.28".
The reason that I need to do this is that, starting at version 8.0.28,
there is an additional RPM/dependency that needs to be installed.
So I think I need something (maybe using set_fact and a regex?) to parse
the "8.0.28-1.el7" to get the substring "8.0.28", and then a "when" that
compares that parsed substring ("8.0.28") to "8.0.28".
Can someone suggest how to do this?
For the parsing part, I have tried using a set_fact and a regex like
"^(.*)-1.el7$", but I think that I am getting the code format wrong.
Also, even if I am able to extract the version, I am not sure how to do the
'when'.
Thanks,
Jim
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