Split .gitlab-ci.yml into several files (#4519)

.gitlab-ci/lint.yml

@@ -0,0 +1,33 @@
+yamllint:
+  extends: .job
+  stage: unit-tests
+  script:
+    - yamllint .
+  except: ['triggers', 'master']
+
+ansible-lint:
+  extends: .job
+  stage: unit-tests
+  # lint every yml/yaml file that looks like it contains Ansible plays
+  script: |-
+    grep -Rl '^- hosts: \|^  hosts: \|^- name: ' --include \*.yml --include \*.yaml . | xargs ansible-lint -v
+  except: ['triggers', 'master']
+
+syntax-check:
+  extends: .job
+  stage: unit-tests
+  script:
+    - ansible-playbook -i inventory/local-tests.cfg -u root -e ansible_ssh_user=root  -b --become-user=root cluster.yml -vvv  --syntax-check
+    - ansible-playbook -i inventory/local-tests.cfg -u root -e ansible_ssh_user=root  -b --become-user=root upgrade-cluster.yml -vvv  --syntax-check
+    - ansible-playbook -i inventory/local-tests.cfg -u root -e ansible_ssh_user=root  -b --become-user=root reset.yml -vvv  --syntax-check
+    - ansible-playbook -i inventory/local-tests.cfg -u root -e ansible_ssh_user=root  -b --become-user=root extra_playbooks/upgrade-only-k8s.yml -vvv  --syntax-check
+  except: ['triggers', 'master']
+
+tox-inventory-builder:
+  stage: unit-tests
+  extends: .job
+  script:
+    - pip install tox
+    - cd contrib/inventory_builder && tox
+  when: manual
+  except: ['triggers', 'master']