jinja compound if and order of precedence

[brad.v...@gmail.com]

I'm have a state file in which I want to disable NetworkManager for all RHEL/CentOS 7 servers and all RHEL 8 servers which do not have a host name starting with "X."  I'm not sure of the syntax to establish precedence.  I was trying:

{%- if grains['osmajorrelease'] == 7 or ( if grains['osmajorrelease'] == 8 and if not grains['host'].startswith('X') ) -%}

Does anyone see a problem with that, or know of a better way?

[Mahesh Reddy]

I'd use os_family=redhat rather than specifying the version. This is a unique value for CentOS and RedHat and if you have custom grains for those hosts I'd use not [custom_grain]=value. 

if custom_grain name is <env name>

custom grains: salt-call grains.setvals "{'env': 'Test'}" && salt-call grains.get env

ref: https://docs.saltstack.cn/ref/modules/all/salt.modules.grains.html

then the final code will be 

{% if grains['os_family'] = 'redhat' not grains['env'] = 'Test' %}

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Sincerely,

Mahesh

9100030600

[Phipps, Thomas]

sorry, that did not answer the question at all. from the question the user wants all version 7 systems and only version 8 systems that do not start with x. this has nothing to do with testing if redhat.

personally i would stop trying to match inside jinja and break this into smaller files that get used by the top targeting.

but barring that

{% if salt['match.compound']('G@osmajorrelease:7 or ( G@osmajorrelease:8 and not G@host:X* )') %}

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[brad.v...@gmail.com]

I was thinking of simplifying the compoundness with nesting.  Using this instead:

{%- if grains['osmajorrelease'] == 7 -%}

{%-   if grains['osmajorrelease'] == 8 -%}

{%-     if not grains['host'].startswith('X') -%}

NetworkManager:

  service.dead:

    - enable: False

{%-     endif -%}

{%-   endif -%}

{%- endif -%}

I think that will get what I want.  In the process of testing.

[Phipps, Thomas]

that won't work. osmajorversion can not be both 7 and 8. but with that nesting they would have to be.

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[brad.v...@gmail.com]

{% if salt['match.compound']('G@osmajorrelease:7 or ( G@osmajorrelease:8 and not G@host:X* )') %}

works great!   Thanks so much for the help!