Run a role once and only once

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Hi,

I have a role that’s called from other roles via dependencies. I’m seeing the role run twice, as discussed at https://groups.google.com/forum/#!searchin/ansible-project/role$20dependencies$20run$20twice/ansible-project/qoC1fVKEm7I/MWDl9ALo-KoJ

I’ve worked around this by adding the following as the last task of the role:

  • set_fact: myrole_has_run=true
    when: myrole_has_run is not defined

And then in the meta/defaults.yml:

dependencies:

  • role: myrole
    when: myrole_has_run is not defined

Is there a native way of making sure a role only runs once?

Thanks.
Matt