A cluster lifecycle orchestrator for Airship.
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# Copyright 2017 The Openstack-Helm Authors.
# Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
#
# 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.
# NOTE: This is a "standalone" scheduler definition.
# TODO: Remove this template after it is no longer needed. Until the worker
# statefulset contains the scheduler, this scheduler pod needs to be
# available to provide continuity of a software/site/update. Once
# Shipyard/Airflow is running with the Scheduler/Worker combo, this
# scheduler pod can be disabled by turning off the
# manifests.deployment_airflow_scheduler value.
#
{{- if .Values.manifests.deployment_airflow_scheduler }}
{{- $envAll := . }}
{{- $labels := tuple $envAll "airflow" "scheduler" | include "helm-toolkit.snippets.kubernetes_metadata_labels" -}}
{{- $serviceAccountName := "airflow-scheduler" }}
{{ tuple $envAll "airflow_server" $serviceAccountName | include "helm-toolkit.snippets.kubernetes_pod_rbac_serviceaccount" }}
{{- $mounts_airflow_scheduler := .Values.pod.mounts.airflow_scheduler.airflow_scheduler }}
{{- $mounts_airflow_scheduler_init := .Values.pod.mounts.airflow_scheduler.init_container }}
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: airflow-scheduler
annotations:
{{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" }}
spec:
replicas: {{ .Values.pod.replicas.airflow.scheduler }}
selector:
matchLabels:
{{ $labels | indent 6 }}
{{ tuple $envAll | include "helm-toolkit.snippets.kubernetes_upgrades_deployment" | indent 2 }}
template:
metadata:
labels:
{{ $labels | indent 8 }}
annotations:
{{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" | indent 8 }}
configmap-bin-hash: {{ tuple "configmap-airflow-bin.yaml" . | include "helm-toolkit.utils.hash" }}
configmap-etc-hash: {{ tuple "configmap-airflow-etc.yaml" . | include "helm-toolkit.utils.hash" }}
spec:
serviceAccountName: {{ $serviceAccountName }}
affinity:
{{ tuple $envAll "airflow" "scheduler" | include "helm-toolkit.snippets.kubernetes_pod_anti_affinity" | indent 8 }}
nodeSelector:
{{ .Values.labels.airflow.node_selector_key }}: {{ .Values.labels.airflow.node_selector_value }}
restartPolicy: Always
terminationGracePeriodSeconds: {{ .Values.pod.lifecycle.termination_grace_period.airflow.timeout | default "30" }}
initContainers:
{{ tuple $envAll "airflow_server" $mounts_airflow_scheduler_init | include "helm-toolkit.snippets.kubernetes_entrypoint_init_container" | indent 8 }}
containers:
- name: airflow-scheduler
image: {{ .Values.images.tags.airflow }}
imagePullPolicy: {{ .Values.images.pull_policy }}
{{ tuple $envAll $envAll.Values.pod.resources.airflow.scheduler | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
env:
- name: AIRFLOW_CONN_AIRFLOWS_OWN_DB
valueFrom:
secretKeyRef:
name: {{ .Values.secrets.postgresql_airflow_db.user }}
key: AIRFLOW_DATABASE_URI
# Set to -1 to stop scheduler from going into crash loops
args: ["scheduler", "-n", "-1" ]
volumeMounts:
- name: airflow-etc
mountPath: {{ .Values.conf.airflow_config_file.path }}
subPath: airflow.cfg
readOnly: true
- name: shipyard-etc
mountPath: /usr/local/airflow/plugins/shipyard.conf
subPath: shipyard.conf
readOnly: true
- name: airflow-logs
mountPath: {{ .Values.conf.airflow.core.base_log_folder }}
{{ if $mounts_airflow_scheduler.volumeMounts }}{{ toYaml $mounts_airflow_scheduler.volumeMounts | indent 12 }}{{ end }}
volumes:
- name: airflow-etc
configMap:
name: airflow-etc
defaultMode: 0444
- name: shipyard-etc
configMap:
name: shipyard-etc
defaultMode: 0444
- name: airflow-bin
configMap:
name: airflow-bin
defaultMode: 0555
- name: airflow-logs
emptyDir: {}
{{ if $mounts_airflow_scheduler.volumes }}{{ toYaml $mounts_airflow_scheduler.volumes | indent 8 }}{{ end }}
{{- end }}