@ -150,11 +150,11 @@ These variables can be used later in the playbook like this::
$varname or ${varname} or {{ varname }}
$varname or ${varname} or {{ varname }}
If you ever want to do anything complex like uppercasing a string, {{ varname }} is best, as it uses the Jinja2 templating engine. It is a good idea to get in the habit of using this form most of the time when the output is to be a string.
If you ever want to do anything complex like uppercasing a string, {{ varname }} is best, as it uses the Jinja2 templating engine. It is a good idea to get in the habit of using this form most of the time when the output is to be a string.
If just referencing the value of another simple variable though, it's fine to say $x or ${x}. This is common for when a datastructure has a member that is the value of another datastructure.
If just referencing the value of another simple variable though, it's fine to say $x or ${x}. This is common for when a datastructure has a member that is the value of another datastructure.
To learn more about Jinja2, you can optionally see the `Jinja2 docs <http://jinja.pocoo.org/docs/>`_ - though remember that Jinja2 loops and conditionals are only for 'templates' in Ansible, in playbooks, ansible has the 'when' and 'with' keywords for conditionals and loops.
To learn more about Jinja2, you can optionally see the `Jinja2 docs <http://jinja.pocoo.org/docs/>`_ - though remember that Jinja2 loops and conditionals are only for 'templates' in Ansible, in playbooks, ansible has the 'when' and 'with' keywords for conditionals and loops.
If there are discovered variables about the system, called 'facts', these variables bubble up back into the
If there are discovered variables about the system, called 'facts', these variables bubble up back into the
playbook, and can be used on each system just like explicitly set variables. Ansible provides several
playbook, and can be used on each system just like explicitly set variables. Ansible provides several
@ -438,6 +438,8 @@ inside another.
play are going to get the same tasks. ('*when*' provides some
play are going to get the same tasks. ('*when*' provides some