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Modified playbooks2.rst to include conditional boolean example.

This commit is contained in:
lwade 2013-08-09 13:24:48 +01:00
parent 0089ecfa7e
commit a46e0f9788

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@ -338,8 +338,27 @@ Tip: Sometimes you'll get back a variable that's a string and you'll want to do
- shell: echo "only on Red Hat 6, derivatives, and later"
when: ansible_os_family == "RedHat" and ansible_lsb.major_release|int >= 6
Note the above example requires the lsb_release package on the target host in order to return the ansible_lsb.major_release fact.
Variables defined in the playbooks or inventory can also be used.
An example may be the execution of a task based on a variable's boolean value::
vars:
epic: true
Then a conditional execution with action on the boolean value of epic being True::
tasks:
- shell: echo "This certainly is epic!"
when: epic
With a boolean value of False::
tasks:
- shell: echo "This certainly isn't epic!"
when: not epic
If a required variable has not been set, you can skip or fail using Jinja2's
`defined` test. For example::