Yaml linter execution and config improved

Change-Id: Ie4aedfb4f4a76d20f0d0432fe6c3a4665501e167

fuel_ccp/tests/common/test_repo_dir/component/service/service-example.yaml

@@ -1,3 +1,4 @@
+# yamllint disable
 service:
   name: {{ service_name }}
   ports:
@@ -66,3 +67,4 @@ files:
   wsgi-{{ service_name }}-conf:
     path: /etc/apache2/conf-enabled/wsgi-{{ service_name }}.conf
 content: wsgi-{{ service_name }}.conf.j2
+# yamllint enable

tools/yamllint.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+set -ex
+
+workdir=$(dirname $0)
+yamllint -c $workdir/yamllint.yaml $(find . -not -path '*/\.*' -type f -name '*.yaml')

tools/yamllint.yaml

@@ -0,0 +1,21 @@
+extends: default
+
+rules:
+  braces:
+    max-spaces-inside: 1
+  comments:
+    level: error
+  comments-indentation:
+    level: warning
+  document-end:
+    present: no
+  document-start:
+    level: error
+    present: no
+  empty-lines:
+    max: 1
+    max-start: 0
+    max-end: 0
+  line-length:
+    level: warning
+    max: 120

tox.ini

@@ -19,6 +19,10 @@ commands =
   bash -c "find {toxinidir} -type f -name '*.sh' -not -path '*/.tox/*' -exec bashate -v \{\} \;"
   flake8 {posargs}
 
+[testenv:linters]
+deps = yamllint
+commands = {toxinidir}/tools/yamllint.sh
+
 [testenv:venv]
 commands = {posargs}