How to make jinja read in contents of a file

[Nick Davis]

I'm trying to use jinja in a pkg.installed state to create an effect similar to how pip.installed can install packages from a requirements file.

In my pillar file, I have this:

proj_root: /project

In my PACKAGES.ubuntu file I have this:

postgresql

postgresql-server-dev-9.1

postgresql-contrib-9.1

Then in my sls file, I have this:

{% set pkgfile =  salt['pillar.get']('proj_root') + "/installation/PACKAGES.ubuntu" %}

os-pkgs:

  pkg.installed:

    - pkgs:

      {% for pkgname in pkgfile %}

      - {{ pkgname }}

      {% endfor %}

Now, my salt root and salt states are in a subdirectory of my project.

The PACKAGES.ubuntu file is in a different subdirectory.

Using the above, I keep getting this error:

MinionError: Unsupported path: /project/installation/PACKAGES.ubuntu

I also tried to use import and include on the pkgfile, but I get the same error. I know that my set pkgfile statement is correct because the error message prints out the correct path.

Has anyone successfully read the contents of a file outside of the salt root into a variable and used those contents to create parts of the state declaration? What am I doing wrong? This seems like it should be very simple.

P.S. I am open to using a renderer other than jinja if that would make it easier. But I cannot move the location of the PACKAGES file, so I need to read it where it sits.

Thanks,

Nick

[David Anderson]

I don't think jinja can read the contents of a file from the filesystem.

Instead, you can use the PyDSL renderer (
http://docs.saltstack.com/topics/tutorials/starting_states.html#introducing-the-python-and-the-pydsl-renderers
) that reads the proj_root/intallation/PACKAGES.ubuntu file and compiles
it into the pkg.installed highstate data.

More at
https://salt.readthedocs.org/en/v0.16/ref/renderers/all/salt.renderers.pydsl.html
--
Dave

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[Nick Davis]

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I was wondering if that was my problem. I read through a lot of jinja
documentation and didn't see mention of that ability.

I'll give PyDSL a shot. Thanks for the idea.

Nick

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