{{/*
Copyright 2018 AT&T Intellectual Property.  All other 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.
*/}}

{{- $envAll := . }}
---
apiVersion: extensions/v1beta1
kind: DaemonSet
metadata:
  name: haproxy-anchor
  annotations:
    {{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" }}
spec:
{{ tuple $envAll "haproxy_anchor" | include "helm-toolkit.snippets.kubernetes_upgrades_daemonset" | indent 2 }}
  template:
    metadata:
      labels:
{{ tuple $envAll "kubernetes" "haproxy-anchor" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 8 }}
      annotations:
        scheduler.alpha.kubernetes.io/critical-pod: ''
    spec:
      tolerations:
        - key: node-role.kubernetes.io/master
          effect: NoSchedule
        - key: CriticalAddonsOnly
          operator: Exists
      terminationGracePeriodSeconds: {{ .Values.pod.lifecycle.termination_grace_period.haproxy_anchor.timeout }}
      serviceAccountName: haproxy-anchor
      containers:
        - name: anchor
          image: {{ .Values.images.tags.anchor }}
          imagePullPolicy: {{ .Values.images.pull_policy }}
          env:
            - name: HAPROXY_HEADER
              value: /tmp/etc/haproxy.cfg.header
            - name: HAPROXY_CONF
              value: /host{{ .Values.conf.haproxy.host_config_dir }}/haproxy.cfg
            - name: NEXT_HAPROXY_CONF
              value: "$(HAPROXY_CONF)-next"
            - name: HAPROXY_SERVER_OPTS
              value: {{ .Values.conf.haproxy.server_opts | quote }}
            - name: KUBE_CA
              value: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
            - name: KUBE_TOKEN
              value: /var/run/secrets/kubernetes.io/serviceaccount/token
            - name: KUBE_URL
              value: {{ .Values.conf.anchor.kubernetes_url | quote }}
          command:
            - /tmp/bin/anchor.sh
          lifecycle:
            preStop:
              exec:
                command:
                  - /tmp/bin/pre_stop.sh
          volumeMounts:
            - name: haproxy-bin
              mountPath: /tmp/bin
            - name: haproxy-etc
              mountPath: /tmp/etc
            - name: host
              mountPath: /host
      securityContext:
        readOnlyRootFilesystem: true
      volumes:
        - name: haproxy-bin
          configMap:
            name: haproxy-bin
            defaultMode: 0555
        - name: haproxy-etc
          configMap:
            name: haproxy-etc
            defaultMode: 0444
        - name: host
          hostPath:
            path: /