---
# Copyright 2020 VEXXHOST, Inc.
#
# 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.

{% if component is defined %}
{% set component = component %}
{% else %}
{% set component = "api" %}
{% endif %}

apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: heat-{{ component }}
  namespace: openstack
  labels:
    {{ labels("heat", name, component) | indent(4) }}
spec:
  updateStrategy:
    rollingUpdate:
      maxUnavailable: 1
    type: RollingUpdate
  selector:
    matchLabels:
      {{ labels("heat", name, component) | indent(6) }}
  template:
    metadata:
      labels:
        {{ labels("heat", name, component) | indent(8) }}
      annotations:
        checksum/config: "{{ config_hash }}"
    spec:
      {% if 'engine' in component %}
      terminationGracePeriodSeconds: 300
      initContainers:
      - name: db-sync
        image: vexxhost/heat-{{ component }}:latest
        imagePullPolicy: Always
        command:
        - heat-manage
        - db_sync
        volumeMounts:
        - mountPath: /etc/heat
          name: config
      - name: service-clean
        image: vexxhost/heat-{{ component }}:latest
        imagePullPolicy: Always
        command:
        - heat-manage
        - service
        - clean
        volumeMounts:
        - mountPath: /etc/heat
          name: config
      {% endif %}
      containers:
      - name: heat-{{ component }}
        image: vexxhost/heat-{{ component }}:latest
        imagePullPolicy: Always
        env:
        - name: OS_DEFAULT__HOST
          valueFrom:
            fieldRef:
              fieldPath: spec.nodeName
        {% if env is defined %}
        {% for v in env %}
        - name: "{{ v.name }}"
          value: "{{ v.value }}"
        {% endfor %}
        {% endif %}
        {% if 'api' in component %}
        ports:
        - name: heat-{{ component }}
          protocol: TCP
          containerPort: {% if component == 'api' %}8004{% else %}8000{% endif%}
        livenessProbe:
          tcpSocket:
            port: heat-{{ component }}
        readinessProbe:
          tcpSocket:
            port: heat-{{ component }}
        lifecycle:
          preStop:
            exec:
              command: ["/bin/sleep", "5"]
        {% endif %}
        securityContext:
          runAsUser: 65534
          runAsGroup: 65534
        volumeMounts:
        - mountPath: /etc/heat
          name: config
        - name: uwsgi-config
          mountPath: /etc/uwsgi
      volumes:
      - name: config
        secret:
          secretName: heat-config
      - name: uwsgi-config
        configMap:
          defaultMode: 420
          name: uwsgi-default
{% if 'nodeSelector' in spec %}
      nodeSelector:
        {{ spec.nodeSelector | to_yaml | indent(8) }}
{% endif %}
{% if 'tolerations' in spec %}
      tolerations:
        {{ spec.tolerations | to_yaml | indent(8) }}
{% endif %}
{% if 'hostAliases' in spec %}
      hostAliases:
        {{ spec.hostAliases | to_yaml | indent(8) }}
{% endif %}