Add helm3 linter for osh-addons

This change adds a simple helm3 linting check job that will
attempt to lint the charts in osh-addons with helm3. It will
be non-voting for now.

A future change will move this to osh-infra and use the job
from there for the other repos.

Change-Id: I716337005f977c6e936ce8c08ec24b20871f8284

tools/gate/playbooks/helm3-linter.yaml

@@ -0,0 +1,40 @@
+---
+# 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.
+
+# TODO(gagehugo): Put this in osh-infra and run it from there
+
+- hosts: all
+  tasks:
+    - name: install helm3
+      become_user: root
+      shell: |
+        TMP_DIR=$(mktemp -d)
+        curl -sSL https://get.helm.sh/helm-${HELM_VERSION}-linux-amd64.tar.gz | tar -zxv --strip-components=1 -C ${TMP_DIR}
+        sudo mv ${TMP_DIR}/helm /usr/bin/helm
+        rm -rf ${TMP_DIR}
+      environment:
+        HELM_VERSION: "v3.3.4"
+      args:
+        executable: /bin/bash
+
+    - name: updates the requirements due to the lack of helm serve in helm 3
+      shell: |
+        find "{{ zuul.project.src_dir }}" -type f -name "requirements.yaml" -exec sed -i "s#http://localhost:8879/charts#https://tarballs.opendev.org/openstack/openstack-helm-infra#g" {} \;
+      args:
+        executable: /bin/bash
+
+    - name: make all
+      make:
+        chdir: "{{ zuul.project.src_dir }}"
+        target: all
+...

zuul.d/jobs.yaml

@@ -35,6 +35,17 @@
       - openstack/openstack-helm
     nodeset: openstack-helm-single-node
 
+- job:
+    name: osh-helm3-linter
+    nodeset: ubuntu-focal
+    run: tools/gate/playbooks/helm3-linter.yaml
+    required-projects:
+      - openstack/openstack-helm-infra
+    irrelevant-files:
+      - ^.*\.rst$
+      - ^doc/.*$
+      - ^releasenotes/.*$
+
 - job:
     name: osh-addons-sonobuoy
     parent: osh-addons-base

zuul.d/project.yaml

@@ -15,6 +15,8 @@
     check:
       jobs:
         - openstack-helm-lint
+        - osh-helm3-linter:
+            voting: false
         - osh-addons-sonobuoy
         - osh-addons-ranger
         - osh-addons-mini-mirror