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docs(map): describe the use for users and authors #194

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@baby-gnu baby-gnu commented Aug 28, 2020

PR progress checklist (to be filled in by reviewers)

  • Changes to documentation are appropriate (or tick if not required)
  • Changes to tests are appropriate (or tick if not required)
  • Reviews completed

What type of PR is this?

Primary type

  • [build] Changes related to the build system
  • [chore] Changes to the build process or auxiliary tools and libraries such as documentation generation
  • [ci] Changes to the continuous integration configuration
  • [feat] A new feature
  • [fix] A bug fix
  • [perf] A code change that improves performance
  • [refactor] A code change that neither fixes a bug nor adds a feature
  • [revert] A change used to revert a previous commit
  • [style] Changes that do not affect the meaning of the code (white-space, formatting, missing semi-colons, etc.)

Secondary type

  • [docs] Documentation changes
  • [test] Adding missing or correcting existing tests

Does this PR introduce a BREAKING CHANGE?

No.

Related issues and/or pull requests

#186

Describe the changes you're proposing

This is the documentation of v4 map.jinja.

Pillar / config required to test the proposed changes

Debug log showing how the proposed changes work

Documentation checklist

  • Updated the README (e.g. Available states).
  • Updated pillar.example.

Testing checklist

  • Included in Kitchen (i.e. under state_top).
  • Covered by new/existing tests (e.g. InSpec, Serverspec, etc.).
  • Updated the relevant test pillar.

Additional context

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pull-assistant bot commented Aug 28, 2020

Score: 1.00

Best reviewed: commit by commit


Optimal code review plan

     feat(map): use targeting like syntax for configuration

     docs(map): document the new map.jinja with targetting like syntax

Powered by Pull Assistant. Last update 89b1521 ... 0da13bd. Read the comment docs.

The `config_get_lookup` and `config_get` sources lack flexibility.

It's not easy to query several pillars and/or grains keys with the
actual system. And the query method is forced to `config.get` without
being configurable by the user.

We define a mechanism to select `map.jinja` sources with similar
notation as the salt targeting system.

Each source has a type:

- `Y` to load values from YAML files, this is the default when no type
  is defined
- `C` to lookup values with `config.get`
- `G` to lookup values with `grains.get`
- `I` to lookup values with `pillar.get`

The YAML type can define the query method to lookup the key value to
build the file name:

- `C` to query with `config.get`, this is the default when to query
  method is defined
- `G` to query with `grains.get`
- `I` to query with `pillar.get`

The `C`, `G` or `I` types can define the `SUB` attribute to merge
values in the sub key `mapdata.<key>` instead of directly in `mapdata`.

BREAKING CHANGE: the configuration `map_jinja:sources` is only
                 configurable with `salt://parameters/map_jinja.yaml`
		 and `salt://{{ tplroot }}/parameters/map_jinja.yaml`

BREAKING CHANGE: the `map_jinja:config_get_roots` is replaced by
                 compound like `map_jinja:sources`

BREAKING CHANGE: the two `config_get_lookup` and `config_get` are
                 replaced by `C@<tplroot>:lookup` and `C@<tplroot>`
		 sources
@baby-gnu baby-gnu force-pushed the docs/map.jinja branch 2 times, most recently from 87de1f8 to d6ce29c Compare September 22, 2020 18:44
@baby-gnu baby-gnu closed this Sep 22, 2020
@baby-gnu baby-gnu deleted the docs/map.jinja branch September 22, 2020 18:49
@baby-gnu
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The documentation is tracked in PR #191.

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