# Copyright 2017 The Openstack-Helm Authors.
#
# 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.

{{- $envAll := . }}
{{- $dependencies := .Values.dependencies.metadata }}
{{- $mounts_neutron_metadata_agent := .Values.mounts.neutron_metadata_agent.neutron_metadata_agent }}
{{- $mounts_neutron_metadata_agent_init := .Values.mounts.neutron_metadata_agent.init_container }}
---
apiVersion: extensions/v1beta1
kind: DaemonSet
metadata:
  name: neutron-metadata-agent
spec:
  {{ if .Values.upgrades.daemonsets.metadata_agent.enabled }}
  minReadySeconds: {{ .Values.upgrades.daemonsets.metadata_agent.min_ready_seconds }}
  updateStrategy:
    type: {{ .Values.upgrades.daemonsets.pod_replacement_strategy }}
    {{ if eq .Values.upgrades.daemonsets.pod_replacement_strategy "RollingUpdate" }}
    rollingUpdate:
      maxUnavailable: {{ .Values.upgrades.daemonsets.metadata_agent.max_unavailable }}
    {{ end }}
  {{ end }}
  template:
    metadata:
      labels:
{{ tuple $envAll "neutron" "metadata-agent" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 8 }}
      annotations:
        configmap-bin-hash: {{ tuple "configmap-bin.yaml" . | include "helm-toolkit.utils.hash" }}
        configmap-etc-hash: {{ tuple "configmap-etc.yaml" . | include "helm-toolkit.utils.hash" }}
    spec:
      nodeSelector:
        {{ .Values.labels.agent.metadata.node_selector_key }}: {{ .Values.labels.agent.metadata.node_selector_value }}
      securityContext:
        runAsUser: 0
      dnsPolicy: ClusterFirst
      hostNetwork: true
      initContainers:
{{ tuple $envAll $dependencies $mounts_neutron_metadata_agent_init | include "helm-toolkit.snippets.kubernetes_entrypoint_init_container" | indent 8 }}
      containers:
        - name: neutron-metadata-agent
          image: {{ .Values.images.metadata }}
          imagePullPolicy: {{ .Values.images.pull_policy }}
          {{- if .Values.resources.enabled }}
          resources:
            limits:
              cpu: {{ .Values.resources.agent.metadata.limits.cpu | quote }}
              memory: {{ .Values.resources.agent.metadata.limits.memory | quote }}
            requests:
              cpu: {{ .Values.resources.agent.metadata.requests.cpu | quote }}
              memory: {{ .Values.resources.agent.metadata.requests.memory | quote }}
          {{- end }}
          securityContext:
            privileged: true
          ports:
            - containerPort: {{ .Values.network.metadata.port }}
          command:
            - /tmp/neutron-metadata-agent.sh
          volumeMounts:
            - name: neutron-bin
              mountPath: /tmp/neutron-metadata-agent.sh
              subPath: neutron-metadata-agent.sh
              readOnly: true
            - name: neutron-etc
              mountPath: /etc/neutron/neutron.conf
              subPath: neutron.conf
              readOnly: true
            - name: neutron-etc
              mountPath: /etc/neutron/plugins/ml2/ml2_conf.ini
              subPath: ml2_conf.ini
              readOnly: true
            - name: neutron-etc
              mountPath: /etc/neutron/plugins/ml2/openvswitch_agent.ini
              subPath: openvswitch_agent.ini
              readOnly: true
            - name: neutron-etc
              mountPath: /etc/neutron/metadata_agent.ini
              subPath: metadata_agent.ini
              readOnly: true
            - name: neutron-etc
              mountPath: /etc/resolv.conf
              subPath: resolv.conf
              readOnly: true
            - name: runopenvswitch
              mountPath: /run/openvswitch
            - name: socket
              mountPath: /var/lib/neutron/stackanetes
{{ if $mounts_neutron_metadata_agent.volumeMounts }}{{ toYaml $mounts_neutron_metadata_agent.volumeMounts | indent 12 }}{{ end }}
      volumes:
        - name: neutron-bin
          configMap:
            name: neutron-bin
            defaultMode: 0555
        - name: neutron-etc
          configMap:
            name: neutron-etc
        - name: runopenvswitch
          hostPath:
            path: /run/openvswitch
        - name: socket
          hostPath:
            path: /var/lib/neutron/openstack-helm
{{ if $mounts_neutron_metadata_agent.volumes }}{{ toYaml $mounts_neutron_metadata_agent.volumes | indent 8 }}{{ end }}