Add yaml and ansible linters

Before we get too carried away, let's add some linters.

This commit also fixes some linting failures in
tripleo_ipa/meta/main.yml.

Change-Id: Ic57d1b84a90ce5456812b9462c1af5539791b561

test-requirements.txt

@@ -0,0 +1,2 @@
+ansible-lint
+yamllint

tox.ini

@@ -1,7 +1,7 @@
 [tox]
 minversion = 2.0
 # add docs to the list of environments once we actually have docs to generate
-envlist = molecule
+envlist = molecule, linters
 skipdist = True
 
 [testenv]
@@ -15,3 +15,20 @@ changedir = {toxinidir}/tripleo_ipa
 commands = molecule test --all
 whitelist_externals =
   tox
+
+[testenv:ansible-lint]
+deps = {[testenv:linters]deps}
+commands =
+  ansible-lint {toxinidir}/tripleo_ipa
+
+[testenv:yamllint]
+deps = {[testenv:linters]deps}
+commands =
+  yamllint -c {toxinidir}/tripleo_ipa/.yamllint {toxinidir}/tripleo_ipa
+
+[testenv:linters]
+deps =
+   -r {toxinidir}/test-requirements.txt
+commands =
+  {[testenv:ansible-lint]commands}
+  {[testenv:yamllint]commands}

tripleo_ipa/meta/main.yml

@@ -1,7 +1,7 @@
 galaxy_info:
-  author: your name
-  description: your role description
-  company: your company (optional)
+  author: OpenStack
+  description: This role is used to integrate TripleO with FreeIPA.
+  company: Red Hat
 
   # If the issue tracker for your role is not on github, uncomment the
   # next line and provide a value
@@ -27,17 +27,10 @@ galaxy_info:
   # To view available platforms and versions (or releases), visit:
   # https://galaxy.ansible.com/api/v1/platforms/
   #
-  # platforms:
-  # - name: Fedora
-  #   versions:
-  #   - all
-  #   - 25
-  # - name: SomePlatform
-  #   versions:
-  #   - all
-  #   - 1.0
-  #   - 7
-  #   - 99.99
+  platforms:
+  - name: CentOS
+    versions:
+    - 8
 
   galaxy_tags: []
     # List tags for your role here, one per line. A tag is a keyword that describes
@@ -50,4 +43,3 @@ galaxy_info:
 dependencies: []
   # List your role dependencies here, one per line. Be sure to remove the '[]' above,
   # if you add dependencies to this list.
-