Add Production Helm chart support (#8777)

Co-authored-by: Ash Berlin-Taylor <ash_github@firemirror.com>

.pre-commit-config.yaml

@@ -166,7 +166,7 @@ metastore_browser/templates/.*\\.html$|.*\\.jinja2"
         name: Check yaml files with yamllint
         entry: yamllint -c yamllint-config.yml
         types: [yaml]
-        exclude: ^.*init_git_sync\.template\.yaml$|^.*airflow\.template\.yaml$
+        exclude: ^.*init_git_sync\.template\.yaml$|^.*airflow\.template\.yaml$|^chart/templates/.*\.yaml$
   - repo: https://github.com/timothycrosley/isort
     rev: 4.3.21-2
     hooks:

chart/.gitignore

@@ -0,0 +1,9 @@
+# User overrides
+config.yaml
+config.yml
+
+# Build dir
+repository
+
+# Chart dependencies
+**/charts/*.tgz

chart/.helmignore

@@ -0,0 +1,39 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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.
+
+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+bin

chart/Chart.yaml

@@ -0,0 +1,25 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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.
+
+# apiVersion v1 is Helm 2
+apiVersion: v1
+name: airflow
+version: 1.0.0
+description: Helm chart to deploy Apache Airflow
+icon: https://www.astronomer.io/static/airflowNewA.png
+keywords:
+  - airflow

chart/requirements.lock

@@ -0,0 +1,6 @@
+dependencies:
+- name: postgresql
+  repository: https://kubernetes-charts.storage.googleapis.com
+  version: 6.3.12
+digest: sha256:1750ddcc948f15716d157d6a854b59e37571473b2a3390a3673b224b71a56308
+generated: "2019-10-24T16:03:26.569269284-04:00"

chart/requirements.yaml

@@ -0,0 +1,22 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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.
+
+dependencies:
+  - name: postgresql
+    version: 6.3.12
+    repository: "@stable"
+    condition: postgresql.enabled

chart/templates/NOTES.txt

@@ -0,0 +1,29 @@
+{{/*
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you 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.
+
+*/}}Thank you for installing Airflow!
+
+Your release is named {{ .Release.Name }}.
+
+You can now access your dashboard(s) by executing the following command(s) and visiting the corresponding port at localhost in your browser:
+
+Airflow dashboard:        kubectl port-forward svc/{{ .Release.Name }}-webserver {{ .Values.ports.airflowUI }}:{{ .Values.ports.airflowUI }}
+{{- if eq .Values.executor "CeleryExecutor"}}
+Flower dashboard:         kubectl port-forward svc/{{ .Release.Name }}-flower {{ .Values.ports.flowerUI }}:{{ .Values.ports.flowerUI }}
+
+{{- end }}