{{/*
Copyright 2017 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.
*/}}

{{- define "probeTemplate" }}
httpGet:
  path: /healthz
  port: 10256
  scheme: HTTP
{{- end }}

{{- if .Values.manifests.daemonset_proxy }}
{{- $envAll := . }}
{{- $labels := tuple $envAll "kubernetes" "proxy" | include "helm-toolkit.snippets.kubernetes_metadata_labels" -}}
---
apiVersion: "apps/v1"
kind: DaemonSet
metadata:
  name: kubernetes-proxy
  labels:
{{ $labels | indent 4 }}
  annotations:
    {{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" }}
spec:
  selector:
    matchLabels:
{{ $labels | indent 6 }}
{{ tuple $envAll "proxy" | include "helm-toolkit.snippets.kubernetes_upgrades_daemonset" | indent 2 }}
  template:
    metadata:
      labels:
{{ $labels | indent 8 }}
      annotations:
{{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" | indent 8 }}
{{ dict "envAll" $envAll "podName" "kubernetes-proxy" "containerNames" (list "proxy") | include "helm-toolkit.snippets.kubernetes_mandatory_access_control_annotation" | indent 8 }}
        scheduler.alpha.kubernetes.io/critical-pod: ''
{{- if .Values.manifests.configmap_proxy }}
        configmap-etc-hash: {{ tuple "configmap-etc.yaml" . | include "helm-toolkit.utils.hash" }}
{{- end }}
    spec:
{{ dict "envAll" $envAll "application" "proxy" | include "helm-toolkit.snippets.kubernetes_pod_security_context" | indent 6 }}
      hostNetwork: true
      shareProcessNamespace: true
      dnsPolicy: Default
      tolerations:
        - key: node-role.kubernetes.io/master
          effect: NoSchedule
        - key: CriticalAddonsOnly
          operator: Exists
        - key: node.kubernetes.io/not-ready
          operator: Exists
          effect: NoSchedule
      containers:
      - name: proxy
        image: {{ .Values.images.tags.proxy }}
        imagePullPolicy: {{ .Values.images.pull_policy }}
        command:
          {{- range .Values.command_prefix }}
          - {{ . }}
          {{- end }}
          {{- if .Values.manifests.configmap_proxy }}
          - --config=/var/lib/kube-proxy/config.conf
          {{- end}}
          {{- if .Values.proxy.logging.log_level }}
          - --v={{ .Values.proxy.logging.log_level }}
          {{- end }}
{{ tuple $envAll $envAll.Values.pod.resources.proxy | include "helm-toolkit.snippets.kubernetes_resources" | indent 8 }}
{{ dict "envAll" $envAll "application" "proxy" "container" "proxy" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 8 }}
        env:
          - name: KUBERNETES_SERVICE_HOST
            value: {{ .Values.kube_service.host }}
          - name: KUBERNETES_SERVICE_PORT
            value: {{ .Values.kube_service.port | quote }}
          - name: NODE_NAME
            valueFrom:
              fieldRef:
                fieldPath: spec.nodeName
{{ dict "envAll" . "component" "proxy" "container" "proxy" "type" "liveness" "probeTemplate" (include "probeTemplate" . | fromYaml) | include "helm-toolkit.snippets.kubernetes_probe" | trim | indent 8 }}
{{ dict "envAll" . "component" "proxy" "container" "proxy" "type" "readiness" "probeTemplate" (include "probeTemplate" . | fromYaml) | include "helm-toolkit.snippets.kubernetes_probe" | trim | indent 8 }}
        volumeMounts:
          {{- if .Values.manifests.configmap_proxy }}
          - mountPath: /var/lib/kube-proxy
            name: kube-proxy
          {{- end}}
          - mountPath: /run/xtables.lock
            name: xtables-lock
            readOnly: false
          - mountPath: /lib/modules
            name: lib-modules
            readOnly: true
      serviceAccountName: kube-proxy
      volumes:
        {{- if .Values.manifests.configmap_proxy }}
        - configMap:
            defaultMode: 0644
            name: {{ .Values.service.name }}-etc
          name: kube-proxy
        {{- end}}
        - name: xtables-lock
          hostPath:
            path: /run/xtables.lock
            type: FileOrCreate
        - name: lib-modules
          hostPath:
            path: /lib/modules
{{- end }}