YAML lint config and fix all linting errors

.gitlab-ci.yml

@@ -50,4 +50,3 @@ parallel_spec-Ruby 2.7.2-Puppet ~> 7:
     - bundle exec rake parallel_spec
   variables:
     PUPPET_GEM_VERSION: '~> 7'
-

.yamllint

@@ -0,0 +1,11 @@
+---
+extends: default
+ignore: |
+  spec/
+  .rubocop.yml
+rules:
+  indentation:
+    spaces: 2
+  line-length:
+    level: warning
+    max: 140

appveyor.yml

@@ -33,7 +33,7 @@ install:
   - set PATH=C:\Ruby%RUBY_VERSION%\bin;%PATH%
   - bundle install --jobs 4 --retry 2 --without system_tests
   - type Gemfile.lock
-build: off
+build: 'off'
 test_script:
   - bundle exec puppet -V
   - ruby -v

data/common.yaml

@@ -1 +1 @@
----
+--- {}

hiera.yaml

@@ -9,9 +9,9 @@ hierarchy:
   - name: "osfamily/major release"
     paths:
       - "os/%{facts.os.family}/%{facts.os.release.major}.yaml"
-        # Used for Solaris
+      # Used for Solaris
       - "os/%{facts.os.family}/%{facts.kernelrelease}.yaml"
-        # Used to distinguish between Debian and Ubuntu
+      # Used to distinguish between Debian and Ubuntu
       - "os/%{facts.os.name}/%{facts.os.release.major}.yaml"
   - name: "osfamily"
     paths:

tests/vagrant/config.yaml

@@ -1,3 +1,4 @@
+--- {}
 # -*- mode: yaml; -*-
 # Time-stamp: <Mon 2017-08-21 23:15 svarrette>
 ################################################################################
@@ -6,7 +7,7 @@
 # define additional VMs (agents) to deploy upon vagrant up (in addition to the
 # puppet master 'master')
 
-#___________________________________________
+# ___________________________________________
 # Complete / re-define the default boxes below
 # Format:
 #   :<os><version>: <username>/<box> # see https://vagrantcloud.com
@@ -17,23 +18,23 @@
 #   :debian8:     'debian/contrib-jessie64',
 #   :ubuntu14:    'ubuntu/trusty64'
 
-#_________________
+# _________________
 # Default settings
 # :defaults:
 #   :os: :centos7         # Default OS from the above box definition
 #   :ram: 512             # Default RAM
 #   :vcpus: 1             # Default number of virtual CPUs
 #   :vbguest_auto_update: 1  # check/update box guest additions
 
-#____________________
+# ____________________
 # Network settings
 # :network:
 #   :domain: 'vagrant.dev'      # network domain to use
 #   :range: '10.10.1.0/24'      # IP range to use
 #   :ip_offset: 10
 #   # client / VMs defined below will start on xx.xx.xx.<ip_offset>
 
-#___________________________________________________________
+# ___________________________________________________________
 # VMs / Vagrant boxes to define apart from the puppet master
 # Format:
 # <name>: