{{/*
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.deployment }}
{{- $envAll := . }}

{{- $esUserSecret := .Values.secrets.elasticsearch.user }}

{{- $serviceAccountName := printf "%s-%s" .Release.Name "metricbeat-deployments" }}
{{ tuple $envAll "metricbeat" $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
      - events
    verbs:
      - get
      - list
      - watch
  - apiGroups:
      - apps
    resources:
      - statefulsets
      - daemonsets
      - deployments
      - replicasets
    verbs:
      - get
      - list
      - watch
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: metricbeat-deployment-modules
  labels:
{{ tuple $envAll "metricbeat" "deployment-modules" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 4 }}
spec:
  replicas: {{ .Values.pod.replicas.metricbeat }}
  selector:
    matchLabels:
{{ tuple $envAll "metricbeat" "deployment-modules" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 6 }}
{{ tuple $envAll | include "helm-toolkit.snippets.kubernetes_upgrades_deployment" | indent 2 }}
  template:
    metadata:
      labels:
{{ tuple $envAll "metricbeat" "deployment-modules" | 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:
      serviceAccountName: {{ $serviceAccountName }}
      affinity:
{{ tuple $envAll "metricbeat" "deployment-modules" | include "helm-toolkit.snippets.kubernetes_pod_anti_affinity" | indent 8 }}
      nodeSelector:
        {{ .Values.labels.metricbeat.node_selector_key }}: {{ .Values.labels.metricbeat.node_selector_value }}
      initContainers:
{{ tuple $envAll "metricbeat" list | include "helm-toolkit.snippets.kubernetes_entrypoint_init_container" | indent 8 }}
      containers:
        - name: metricbeat
          securityContext:
            runAsUser: 0
{{ tuple $envAll "metricbeat" | include "helm-toolkit.snippets.image" | indent 10 }}
{{ tuple $envAll $envAll.Values.pod.resources.metricbeat | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
          args:
            - "-c"
            - "/usr/share/metricbeat/metricbeat.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: KUBE_STATE_METRICS_HOST
              value: {{ tuple "kube_state_metrics" "internal" . | include "helm-toolkit.endpoints.hostname_namespaced_endpoint_lookup" | quote }}
            - name: KUBE_STATE_METRICS_PORT
              value: {{ tuple "kube_state_metrics" "internal" "metrics" . | 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: POD_NAMESPACE
              valueFrom:
                fieldRef:
                  fieldPath: metadata.namespace
          volumeMounts:
            - name: pod-tmp
              mountPath: /tmp
            - name: metricbeat-etc
              mountPath: /usr/share/metricbeat/metricbeat.yml
              subPath: metricbeat.yml
              readOnly: true
            - name: metricbeat-etc
              mountPath: /usr/share/metricbeat/modules.d/kubernetes.yml
              subPath: deployment_kubernetes.yml
              readOnly: true
            - name: metricbeat-etc
              mountPath: /usr/share/metricbeat/modules.d/mysql.yml
              subPath: mysql.yml
              readOnly: true
            - name: metricbeat-etc
              mountPath: /usr/share/metricbeat/modules.d/rabbitmq.yml
              subPath: rabbitmq.yml
              readOnly: true
      volumes:
        - name: pod-tmp
          emptyDir: {}
        - name: metricbeat-etc
          configMap:
            name: metricbeat-etc
            defaultMode: 0444
{{- end }}