diff --git a/docsite/latest/rst/playbooks2.rst b/docsite/latest/rst/playbooks2.rst index 928f86a958a..0a72b1a5584 100644 --- a/docsite/latest/rst/playbooks2.rst +++ b/docsite/latest/rst/playbooks2.rst @@ -68,6 +68,31 @@ write a task that looks like this:: command: /bin/false ignore_errors: yes +Overriding Changed Result +````````````````````````` + +.. versionadded:: 1.3 + +When a task make some changes or sometimes is simply executed, it +is reported as changed. You may want to override this. To do so, +write a task with the `changed_when` clause, which actually is a +Python expression. When this expression evaluates to true the task +is considered changed, when it evaluates to false the tasks is +considered changed. See below about the `when` clause for details +on the expressions you can use. You may also find the `register` +keyword useful with `changed_when`, see below. + +Example:: + tasks: + - action: command some command with output + register: result + changed_when: "'reticulating splines' in result.stdout" + - action: command another command + register: another_result + changed_when: "another_result.rc != 2" + - action: command yet another command + changed_when: false # never changed ! + Accessing Complex Variable Data ```````````````````````````````