feat(yamllint): add rule empty-values & use new yaml-files setting

ssf/defaults.yaml

@@ -15,8 +15,8 @@ ssf_node_anchors:
             #       An alternative method could be to use:
             #       `git describe --abbrev=0 --tags`
             # yamllint disable-line rule:line-length
-            title: 'chore: use standard test pillar path'
-            body: '* Semi-automated using https://github.com/myii/ssf-formula/pull/28'
+            title: 'ci(yamllint): add rule `empty-values` & use new `yaml-files` setting'
+            body: '* Automated using https://github.com/myii/ssf-formula/pull/27'
           github:
             owner: saltstack-formulas
             repo: ''
@@ -115,14 +115,22 @@ ssf_node_anchors:
         use_cirrus_ci: false
         use_tofs: false
         yamllint:
-          check_files:
+          extends: default
+          ignore:
             default:
-              - .
-              - .yamllint
-              - pillar.example
+              - 'node_modules/'
+            additional_ssf:
+              - 'test/**/states/**/*.sls'
+            additional: []
+          yaml-files:
+            default:
+              - '*.yaml'
+              - '*.yml'
+              - '.yamllint'
+            additional_ssf:
+              - '*.example'
+              - 'test/**/*.sls'
             additional: []
-          extends: default
-          ignore: []
           rules:
             # yamllint disable rule:comments-indentation
             # Commenting out all of the rules that haven't been implemented yet
@@ -135,7 +143,9 @@ ssf_node_anchors:
             # document-end: {}
             # document-start: {}
             # empty-lines: {}
-            # empty-values: {}
+            empty-values:
+              forbid-in-block-mappings: 'true'
+              forbid-in-flow-mappings: 'true'
             # hyphens: {}
             # indentation: {}
             key-duplicates: {}

ssf/files/default/.travis.yml

@@ -58,20 +58,6 @@ script:
   {%- endfor %}
 {%- endif %}
 
-{%- set yamllint_files = yamllint.check_files.default + yamllint.check_files.additional %}
-{#- Don't need to do this in index order but maintaining consistency with `kitchen.yml` #}
-{%- for index in range(0, inspec_suites_kitchen | length) %}
-{%-   set suite = inspec_suites_kitchen[index] %}
-{%-   set pillars_from_files = suite.provisioner.pillars_from_files %}
-{%-   for pff in pillars_from_files %}
-{%-     for k, v in pff.items() %}
-{%-       if v not in yamllint_files %}
-{%-         do yamllint_files.append(v) %}
-{%-       endif %}
-{%-     endfor %}
-{%-   endfor %}
-{%- endfor %}
-
 jobs:
   include:
     # Define the `lint` stage (runs `yamllint` and `commitlint`)
@@ -81,9 +67,9 @@ jobs:
       before_install: skip
       script:
         # Install and run `yamllint`
-        - pip install --user yamllint
-        # yamllint disable-line rule:line-length
-        - yamllint -s {{ yamllint_files | join(' ') }}
+        # Need at least `v1.17.0` for the `yaml-files` setting
+        - pip install --user yamllint>=1.17.0
+        - yamllint -s .
         # Install and run `commitlint`
         - npm install @commitlint/config-conventional -D
         - npm install @commitlint/travis-cli -D

ssf/files/default/.yamllint

@@ -1,13 +1,10 @@
 # -*- coding: utf-8 -*-
 # vim: ft=yaml
 ---
-{%- macro format_ignore(ignore_parent, first_ignores=[], width=4) %}
+{%- macro format_ignore(ignore_parent, width=4) %}
 {%-   filter indent(width) %}
 {%-     if ignore_parent.ignore is defined %}
 ignore: |
-  {%-     for first_ignore in first_ignores %}
-  {{ first_ignore }}
-  {%-     endfor %}
   {%-     for file in ignore_parent.ignore %}
   {{ file }}
   {%-     endfor %}
@@ -19,15 +16,34 @@ extends: {{ yamllint.extends }}
 
 # Files to ignore completely
 # 1. All YAML files under directory `node_modules/`, introduced during the Travis run
+# 2. Any SLS files under directory `test/`, which are actually state files
 {%- if semrel_formula == 'ssf' %}
-# 2. All Jinja templates under `ssf/files/` (result in `yamllint` syntax errors)
+# 3. All Jinja templates under `ssf/files/` (result in `yamllint` syntax errors)
 #    Not disabling via. `*.yml` since we may end up with non-Jinja YAML files here
 {%- elif semrel_formula == 'mysql' %}
-# 2. Any YAML files using Jinja (result in `yamllint` syntax errors)
+# 3. Any YAML files using Jinja (result in `yamllint` syntax errors)
 {%- elif semrel_formula == 'postgres' %}
-# 2. All YAML files heavily reliant on Jinja; these can be tackled in a subsequent PR
+# 3. All YAML files heavily reliant on Jinja; these can be tackled in a subsequent PR
+{%- endif %}
+{%- set yl_ignores = {'ignore':
+  yamllint.ignore.default +
+  yamllint.ignore.additional_ssf +
+  yamllint.ignore.additional
+} %}
+{{- format_ignore(yl_ignores, width=0) }}
+
+yaml-files:
+{%- set yl_yf = yamllint.get('yaml-files') %}
+{%- filter indent(2) %}
+# Default settings
+{{ yl_yf.default | yaml(False) }}
+# SaltStack Formulas additional settings
+{{ yl_yf.additional_ssf | yaml(False) }}
+{%- if yl_yf.additional %}
+# Formula-specific additional settings
+{{ yl_yf.additional | yaml(False) }}
 {%- endif %}
-{{- format_ignore(yamllint, first_ignores=['node_modules/'], width=0) }}
+{%- endfilter %}
 
 rules:
   {%- if yamllint.rules.get('commas') %}
@@ -45,6 +61,13 @@ rules:
     {{- format_ignore(yl_ci) }}
   {%- endif %}
 
+  {#- Don't need the `if` here since we're always providing a `empty-values` setting #}
+  empty-values:
+    {%- set yl_ev = yamllint.rules.get('empty-values') %}
+    {{- format_ignore(yl_ev) }}
+    forbid-in-block-mappings: {{ yamllint.rules.get('empty-values').get('forbid-in-block-mappings') }}
+    forbid-in-flow-mappings: {{ yamllint.rules.get('empty-values').get('forbid-in-flow-mappings') }}
+
   {%- if yamllint.rules.get('key-duplicates') %}
   key-duplicates:
     {%- set yl_kd = yamllint.rules.get('key-duplicates') %}

ssf/formulas.yaml

@@ -143,6 +143,10 @@ ssf_node_anchors:
             rule:
               ignore_pillar_example: &ignore_pillar_example
                 - pillar.example
+              # yamllint disable-line rule:line-length
+              ignore_pillar_example_and_with_views_example: &ignore_pillar_example_and_with_views_example
+                - pillar.example
+                - pillar-with-views.example
       semrel_files: &semrel_files_default
         bin/kitchen: &file__bin__kitchen
           <<: *file_default
@@ -260,11 +264,11 @@ ssf:
         yamllint:
           rules:
             comments-indentation:
-              ignore: *ignore_pillar_example
+              ignore: *ignore_pillar_example_and_with_views_example
             key-duplicates:
               ignore: *ignore_pillar_example
             line-length:
-              ignore: *ignore_pillar_example
+              ignore: *ignore_pillar_example_and_with_views_example
       semrel_files: *semrel_files_default
     cert:
       context:
@@ -674,7 +678,8 @@ ssf:
           - [debian       ,   8   ,   2017.7,      2,      default]
         yamllint:
           ignore:
-            - mysql/supported_sections.yaml
+            additional:
+              - mysql/supported_sections.yaml
       semrel_files: *semrel_files_default
     nginx:
       context:
@@ -850,12 +855,13 @@ ssf:
         use_tofs: true
         yamllint:
           ignore:
-            - pillar.example
-            - postgres/codenamemap.yaml
-            - postgres/osfamilymap.yaml
-            - postgres/osmap.yaml
-            - postgres/repo.yaml
-            - test/salt/pillar/postgres.sls
+            additional:
+              - pillar.example
+              - postgres/codenamemap.yaml
+              - postgres/osfamilymap.yaml
+              - postgres/osmap.yaml
+              - postgres/repo.yaml
+              - test/salt/pillar/postgres.sls
       semrel_files: *semrel_files_default
     prometheus:
       context:
@@ -931,11 +937,12 @@ ssf:
         use_tofs: true
         yamllint:
           ignore:
-            - ssf/files/default/.cirrus.yml
-            - ssf/files/default/.travis.yml
-            - ssf/files/default/.yamllint
-            - ssf/files/default/kitchen.yml
-            - ssf/files/default/inspec/inspec.yml
+            additional:
+              - ssf/files/default/.cirrus.yml
+              - ssf/files/default/.travis.yml
+              - ssf/files/default/.yamllint
+              - ssf/files/default/kitchen.yml
+              - ssf/files/default/inspec/inspec.yml
           rules:
             commas:
               ignore:
@@ -1048,10 +1055,6 @@ ssf:
           - [debian       ,   9   ,   2018.3,      2,      default]
           # - [ubuntu       ,  16.04,   2017.7,      2,      default]
         use_cirrus_ci: true
-        yamllint:
-          check_files:
-            additional:
-              - pillar.debian.example
       semrel_files:
         <<: *semrel_files_default
         inspec/inspec.yml: