The documentation for this feature has been moved to https://docs.ansible.com/playbooks_filters.html#omitting-undefined-variables-and-parameters.
On Wednesday, September 17, 2014 at 9:41:03 AM UTC-5, James Cammarata wrote: > > Hi Hagai, > > We've recently added the ability to omit parameters if they are not > defined via the "| default(omit)" filter. The documentation regarding this > is here: > http://docs.ansible.com/playbooks_variables.html#omitting-undefined-variables-and-parameters. > > This will be included in 1.8, so for now with 1.7 you will still have to > default the parameter to some value if it is not defined. > > The reason we now disallow what you're doing in your example is the fact > that someone could try to inject additional parameters into the module > arguments via variables, so Ansible now expects a consistent number of > parameters both before and after the templating of module params is done. > > Let us know if you have any further questions regarding this. > > Thanks! > > On Wed, Sep 17, 2014 at 9:14 AM, Hagai Kariti <[email protected] > <javascript:>> wrote: > >> Hi >> I have a usecase in which I want to pass some parameters to a module only >> if I have a variable defined with value for them. If I don't, I want the >> module to use its default value for these parameters. In ansible 1.5.5 (I >> know, old as hell), I could do this: >> >> module: {% if value is defined %}param={{value}}{% endif %} >> >> However later versions of ansible seem to have removed it due to security >> concerns (which I don't understand, but that's a different topic :) ). How >> should I go about doing that in Ansible 1.7? Do I have to keep my own >> default values? >> >> Thanks >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Ansible Project" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> To post to this group, send email to [email protected] >> <javascript:>. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/ansible-project/8aa00f58-62f8-4bc4-a243-306dcaebbefc%40googlegroups.com >> >> <https://groups.google.com/d/msgid/ansible-project/8aa00f58-62f8-4bc4-a243-306dcaebbefc%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> For more options, visit https://groups.google.com/d/optout. >> > > -- You received this message because you are subscribed to the Google Groups "Ansible Project" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/ansible-project/d97bba1f-cb06-4e5d-ab16-9c83c2e5dba0%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
