{{/*
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 .Values.manifests.daemonset }}
{{- $envAll := . }}
{{- $esUserSecret := .Values.secrets.elasticsearch.user }}

{{- $mounts_packetbeat := .Values.pod.mounts.packetbeat.packetbeat }}

{{- $serviceAccountName := printf "%s-%s" .Release.Name "packetbeat" }}
{{ tuple $envAll "packetbeat" $serviceAccountName | include "helm-toolkit.snippets.kubernetes_pod_rbac_serviceaccount" }}
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: {{ $serviceAccountName }}
subjects:
  - kind: ServiceAccount
    name: {{ $serviceAccountName }}
    namespace: {{ .Release.Namespace }}
roleRef:
  kind: ClusterRole
  name: {{ $serviceAccountName }}
  apiGroup: rbac.authorization.k8s.io
---
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: {{ $serviceAccountName }}
rules:
  - apiGroups:
      - ""
    resources:
      - namespaces
      - nodes
      - pods
      - services
      - endpoints
      - replicationcontrollers
      - limitranges
    verbs:
      - get
      - list
      - watch
  - apiGroups:
      - apps
    resources:
      - statefulsets
      - daemonsets
      - deployments
      - replicasets
    verbs:
      - get
      - list
      - watch
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: packetbeat
spec:
  selector:
    matchLabels:
{{ tuple $envAll "packetbeat" "daemon" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 6 }}
{{ tuple $envAll "packetbeat" | include "helm-toolkit.snippets.kubernetes_upgrades_daemonset" | indent 2 }}
  template:
    metadata:
      labels:
{{ tuple $envAll "packetbeat" "daemon" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 8 }}
      annotations:
{{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" | indent 8 }}
        configmap-etc-hash: {{ tuple "configmap-etc.yaml" . | include "helm-toolkit.utils.hash" }}
    spec:
      securityContext:
        runAsUser: 0
      hostNetwork: true
      dnsPolicy: {{ .Values.pod.dns_policy }}
      serviceAccountName: {{ $serviceAccountName }}
      initContainers:
{{ tuple $envAll "packetbeat" list | include "helm-toolkit.snippets.kubernetes_entrypoint_init_container" | indent 8 }}
      containers:
        - name: packetbeat
          image: {{ .Values.images.tags.packetbeat }}
          imagePullPolicy: {{ .Values.images.pull_policy }}
{{ tuple $envAll $envAll.Values.pod.resources.packetbeat | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
          securityContext:
            privileged: true
            capabilities:
              add:
                - NET_ADMIN
          args:
            - "-c"
            - "/usr/share/packetbeat/packetbeat.yml"
            - "-e"
          env:
            - name: ELASTICSEARCH_HOST
              value: {{ tuple "elasticsearch" "internal" . | include "helm-toolkit.endpoints.hostname_namespaced_endpoint_lookup" | quote }}
            - name: ELASTICSEARCH_PORT
              value: {{ tuple "elasticsearch" "internal" "http" . | include "helm-toolkit.endpoints.endpoint_port_lookup" | quote }}
            - name: KIBANA_HOST
              value: {{ tuple "kibana" "internal" . | include "helm-toolkit.endpoints.hostname_namespaced_endpoint_lookup" | quote }}
            - name: KIBANA_PORT
              value: {{ tuple "kibana" "internal" "http" . | include "helm-toolkit.endpoints.endpoint_port_lookup" | quote }}
            - name: ELASTICSEARCH_USERNAME
              valueFrom:
                secretKeyRef:
                  name: {{ $esUserSecret }}
                  key: ELASTICSEARCH_USERNAME
            - name: ELASTICSEARCH_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: {{ $esUserSecret }}
                  key: ELASTICSEARCH_PASSWORD
            - name: NODE_NAME
              valueFrom:
                fieldRef:
                  fieldPath: spec.nodeName
          volumeMounts:
            - name: pod-tmp
              mountPath: /tmp
            - name: packetbeat-etc
              mountPath: /usr/share/packetbeat/packetbeat.yml
              subPath: packetbeat.yml
              readOnly: true
{{ if $mounts_packetbeat.volumeMounts }}{{ toYaml $mounts_packetbeat.volumeMounts | indent 12 }}{{ end }}
      volumes:
        - name: pod-tmp
          emptyDir: {}
        - name: packetbeat-etc
          configMap:
            defaultMode: 0444
            name: packetbeat-etc
{{ if $mounts_packetbeat.volumes }}{{ toYaml $mounts_packetbeat.volumes | indent 8 }}{{ end }}
{{- end }}
