Added YAML file linting to maas

Change-Id: I4711ad587d903e25bd59cd5cae75841166340a84

.zuul.yaml

@@ -17,11 +17,13 @@
         - airship-maas-chart-build-gate
         - airship-maas-chart-build-latest-htk
         - airship-maas-docker-build-gate
+        - airship-maas-lint-yaml
     gate:
       jobs:
         - airship-maas-lint-ws
         - airship-maas-chart-build-gate
         - airship-maas-docker-build-gate
+        - airship-maas-lint-yaml
     post:
       jobs:
         - airship-maas-docker-publish
@@ -71,6 +73,15 @@
         dynamic:
           patch_set: true
 
+- job:
+    name: airship-maas-lint-yaml
+    voting: true
+    timeout: 900
+    run: tools/gate/playbooks/lint-yaml.yaml
+    nodeset: ubuntu-bionic
+    irrelevant-files:
+      - '^charts/maas/templates/.*'
+
 - job:
     name: airship-maas-docker-publish
     timeout: 1800

tools/gate/install-yaml-lint.sh

@@ -0,0 +1,16 @@
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -xe
+
+sudo apt-get update
+sudo apt-get install --no-install-recommends -y yamllint

tools/gate/lint-yaml.sh

@@ -0,0 +1,13 @@
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+yamllint -c ./tools/gate/playbooks/yamllint-config.yaml .

tools/gate/playbooks/helm-linter.yaml

@@ -1,4 +1,3 @@
-
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at

tools/gate/playbooks/lint-yaml.yaml

@@ -0,0 +1,21 @@
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+- hosts: ubuntu-bionic
+  tasks:
+    - name: lint-yaml
+      shell: |
+        set -xe;
+        ./tools/gate/install-yaml-lint.sh
+        ./tools/gate/lint-yaml.sh
+      args:
+        chdir: "{{ zuul.project.src_dir }}"

tools/gate/playbooks/yamllint-config.yaml

@@ -0,0 +1,20 @@
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+---
+extends: default
+
+ignore:
+  /charts/maas/templates/
+rules:
+  line-length:
+    max: 80
+    level: warning