Update CI requirements

* Explicitly install ansible for linting.
* Use pip to install ansible version.
* Cleanup obsolete tox.ini.
* Fix meta author to match galaxy namespace.

Signed-off-by: Ben Kochie <superq@gmail.com>

.circleci/config.yml

@@ -11,7 +11,8 @@ jobs:
     executor: python
     steps:
       - checkout
-      - run: pip install ansible-lint yamllint flake8
+      - run: pip install ansible ansible-lint yamllint flake8
+      - run: mkdir -p .cache/roles && ln -s ../.. .cache/roles/${CIRCLE_PROJECT_REPONAME}
       - run: ansible-lint
       - run: yamllint .
       - run: flake8
@@ -21,12 +22,11 @@ jobs:
     parameters:
       ansible:
         type: string
-    environment:
-      ANSIBLE: "<< parameters.ansible >>"
     steps:
       - checkout
       - setup_remote_docker
       - run: ln -s ~/project ~/${CIRCLE_PROJECT_REPONAME}
+      - run: pip install "ansible~=<<parameters.ansible >>.0"
       - run: pip install -r test-requirements.txt
       - run: molecule test -s default --destroy always
       - run: |

meta/main.yml

 ---
 galaxy_info:
-  author: Roman Demachkovych, Pawel Krupa
+  author: cloudalchemy
+  role_name: node_exporter
   description: Prometheus Node Exporter
   license: MIT
   company: none

tox.ini

-[tox]
-minversion = 1.8
-basepython = python3.8
-envlist = py38-ansible{29,210}
-skipsdist = true
-
-[travis:env]
-ANSIBLE=
-  2.9: ansible29
-  2.10: ansible210
-
-[testenv]
-passenv = GH_* DOCKER_HOST MOLECULE_*
-deps =
-    -rtest-requirements.txt
-    ansible29: ansible<2.10
-    ansible210: ansible<2.11
-commands =
-    {posargs:molecule test --all --destroy always}