Updated travis tests for Molecule 3

Author: davidalger

.travis.yml

@@ -8,11 +8,11 @@ env:
     - ROLE_NAME: davidalger.cloud_sql_proxy
 
   matrix:
+    - MOLECULE_DISTRO: centos8
     - MOLECULE_DISTRO: centos7
-      MOLECULE_DOCKER_COMMAND: /usr/lib/systemd/systemd
 
 install:
-  - pip install molecule docker
+  - pip install molecule yamllint ansible-lint docker
 
 before_script:
   # Use actual Ansible Galaxy role name for the project directory.

molecule/default/yaml-lint.yml renamed to .yamllint

@@ -1,33 +1,27 @@
 ---
 dependency:
   name: galaxy
+  options:
+    role-file: requirements.yml
 
 driver:
   name: docker
 
-lint:
-  name: yamllint
-  options:
-    config-file: molecule/default/yaml-lint.yml
+lint: |
+  set -e
+  yamllint .
+  ansible-lint .
 
 platforms:
   - name: instance
     image: geerlingguy/docker-${MOLECULE_DISTRO:-centos7}-ansible
-    command: ${MOLECULE_DOCKER_COMMAND:-"sleep infinity"}
+    command: ${MOLECULE_DOCKER_COMMAND:-""}
+    volumes:
+      - /sys/fs/cgroup:/sys/fs/cgroup:ro
     privileged: true
     pre_build_image: true
 
 provisioner:
   name: ansible
-  lint:
-    name: ansible-lint
   playbooks:
-    converge: ${MOLECULE_PLAYBOOK:-playbook.yml}
-
-scenario:
-  name: default
-
-verifier:
-  name: testinfra
-  lint:
-    name: flake8
+    converge: ${MOLECULE_PLAYBOOK:-converge.yml}