ci: add Ansible galaxy linter to have a better Quality Score

.gitignore

+# Vault password file
+.vault_pass
+
+# Ansible
+.ansible/
+*.retry
+.roles_requirements/
+.lint_rules/
+
+# Terraform
+.terraform/
+terraform.tfstate.d/
+*.tfstate
+*.tfstate.backup
+terraform.tfvars
+env.vault
+env.d/
+terraform/create_state_bucket/terraform.tf
+
+# Logs
+*.log
+*.history

.gitlab-ci.yml

@@ -32,3 +32,31 @@ include:
 ansible-syntax-check:
   rules:
     - when: never
+
+# For Ansible Galaxy Scoring
+# https://galaxy.ansible.com/docs/contributing/content_scoring.html
+yaml-lint:
+  image:
+    name: cytopia/yamllint:1.26
+    entrypoint: ["/bin/ash", "-c"]
+  stage: lint
+  before_script:
+    - yamllint --version
+  script:
+    - ls **/*.yml
+    - yamllint -c .yamllint.yml -f colored .
+  rules:
+    - if: '$CI_PIPELINE_SOURCE == "push"'
+      changes:
+        - "**/*.yml"
+
+galaxy-lint:
+  extends: ansible-lint
+  before_script:
+    - ansible-lint --version
+  script:
+    - ansible-lint  **/*.yml
+  rules:
+    - if: '$CI_PIPELINE_SOURCE == "push"'
+      changes:
+        - "**/*.yml"

.yamllint.yml

+---
+# https://github.com/ansible/galaxy/blob/devel/galaxy/importer/linters/yamllint.yaml
+# Based on ansible-lint config
+extends: default
+
+rules:
+  braces: {max-spaces-inside: 1, level: error}
+  brackets: {max-spaces-inside: 1, level: error}
+  colons: {max-spaces-after: -1, level: error}
+  commas: {max-spaces-after: -1, level: error}
+  comments: disable
+  comments-indentation: disable
+  document-start: disable
+  empty-lines: {max: 3, level: error}
+  hyphens: {level: error}
+  indentation: disable
+  key-duplicates: enable
+  line-length: disable
+  new-line-at-end-of-file: disable
+  new-lines: {type: unix}
+  trailing-spaces: disable
+  truthy: disable

Pipfile

+[[source]]
+url = "https://pypi.org/simple"
+verify_ssl = true
+name = "pypi"
+
+[packages]
+ansible = "==4"
+ansible-lint = "==5.4.0"
+yamllint = "==1.26"
+
+[requires]
+python_version = "3.8"
+
+[dev-packages]