{{/*
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.
*/}}

{{- if .Values.manifests.deployment }}
{{- $envAll := . }}
{{- $esUserSecret := .Values.secrets.elasticsearch.user }}

{{- $mounts_elastic_apm_server := .Values.pod.mounts.elastic_apm_server.elastic_apm_server }}

{{- $serviceAccountName := printf "%s-%s" .Release.Name "elastic-apm-server" }}
{{ tuple $envAll "elastic-apm-server" $serviceAccountName | include "helm-toolkit.snippets.kubernetes_pod_rbac_serviceaccount" }}
---
apiVersion: rbac.authorization.k8s.io/v1beta1
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
  - pods
  verbs:
  - get
  - list
  - watch
---
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: elastic-apm-server
spec:
{{ tuple $envAll "elastic-apm-server" | include "helm-toolkit.snippets.kubernetes_upgrades_deployment" | indent 2 }}
  template:
    metadata:
      labels:
{{ tuple $envAll "elastic-apm-server" "server" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 8 }}
      annotations:
        configmap-etc-hash: {{ tuple "configmap-etc.yaml" . | include "helm-toolkit.utils.hash" }}
    spec:
      replicas: {{ .Values.pod.replicas.elastic_apm_server }}
      serviceAccountName: {{ $serviceAccountName }}
      nodeSelector:
        {{ .Values.labels.elastic_apm_server.node_selector_key }}: {{ .Values.labels.elastic_apm_server.node_selector_value }}
      initContainers:
{{ tuple $envAll "elastic_apm_server" list | include "helm-toolkit.snippets.kubernetes_entrypoint_init_container" | indent 8 }}
      containers:
        - name: elastic-apm-server
          image: {{ .Values.images.tags.elastic_apm_server }}
          imagePullPolicy: {{ .Values.images.pull_policy }}
          securityContext:
            runAsUser: 0
{{ tuple $envAll $envAll.Values.pod.resources.elastic_apm_server | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
          args:
            - "-c"
            - "/usr/share/apm-server/apm-server.yml"
            - "-e"
          ports:
            - name: server
              containerPort: {{ tuple "elastic_apm_server" "internal" "server" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
          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: APM_SERVER_HOST
              value: {{ tuple "elastic_apm_server" "internal" . | include "helm-toolkit.endpoints.hostname_namespaced_endpoint_lookup" | quote }}
            - name: APM_SERVER_PORT
              value: {{ tuple "elastic_apm_server" "internal" "server" . | 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
          volumeMounts:
            - name: elastic-apm-server-etc
              mountPath: /usr/share/apm-server/apm-server.yml
              readOnly: true
              subPath: apm-server.yml
            - name: data
              mountPath: /usr/share/apm-server/data
{{ if $mounts_elastic_apm_server.volumeMounts }}{{ toYaml $mounts_elastic_apm_server.volumeMounts | indent 8 }}{{ end }}
      volumes:
        - name: elastic-apm-server-etc
          configMap:
            name: elastic-apm-server-etc
            defaultMode: 0444
        - name: data
          hostPath:
            path: /var/lib/elastic-apm-server
            type: DirectoryOrCreate
{{ if $mounts_elastic_apm_server.volumes }}{{ toYaml $mounts_elastic_apm_server.volumes | indent 8 }}{{ end }}
{{- end }}