Added YAML file linting

Change-Id: I17208c96610ee13772c44b7d765d3014f0023134

.zuul.yaml

@@ -27,6 +27,8 @@
         - airship-pegleg-docker-build-gate-ubuntu_xenial
         - airship-pegleg-docker-build-gate-ubuntu_bionic
         - airship-pegleg-docker-build-gate-opensuse
+        - airship-pegleg-lint-yaml
+
     gate:
       jobs:
         - openstack-tox-pep8
@@ -34,6 +36,7 @@
         - airship-pegleg-docker-build-gate-ubuntu_xenial
         - airship-pegleg-docker-build-gate-ubuntu_bionic
         - airship-pegleg-docker-build-gate-opensuse
+        - airship-pegleg-lint-yaml
     post:
       jobs:
         - airship-pegleg-docker-publish-ubuntu_xenial
@@ -47,6 +50,16 @@
       - name: primary
         label: ubuntu-xenial
 
+- job:
+    name: airship-pegleg-lint-yaml
+    voting: true
+    timeout: 600
+    run: tools/gate/playbooks/lint-yaml.yaml
+    nodeset: ubuntu-bionic
+    irrelevant-files:
+      - ^.*\.rst$
+      - ^doc/.*$
+
 - job:
     name: pegleg-dependency-vulnerability-check
     parent: tox-py36

pegleg/schemas/deckhand-metadata-document.yaml

@@ -100,4 +100,3 @@ required:
   - name
   - layeringDefinition
   - storagePolicy
-

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/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.projects['opendev.org/airship/pegleg'].src_dir }}"

tools/gate/playbooks/yamllint-config.yaml

@@ -0,0 +1,19 @@
+# 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
+
+rules:
+  line-length:
+    max: 80
+    level: warning