{{/*
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 "kibanaProbeTemplate" }}
{{- $kibanaPort := tuple "kibana" "internal" "http" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
{{- $esUser := .Values.endpoints.elasticsearch.auth.admin.username }}
{{- $esPass := .Values.endpoints.elasticsearch.auth.admin.password }}
{{- $authHeader := printf "%s:%s" $esUser $esPass | b64enc }}
httpGet:
  path: /status
  port: {{ $kibanaPort }}
  httpHeaders:
    - name: Authorization
      value: Basic {{ $authHeader }}
{{- end }}

{{- if .Values.manifests.deployment }}
{{- $envAll := . }}

{{- $esUserSecret := .Values.secrets.elasticsearch.user }}
{{- $esUser := .Values.endpoints.elasticsearch.auth.admin.username }}
{{- $esPass := .Values.endpoints.elasticsearch.auth.admin.password }}
{{- $authHeader := printf "%s:%s" $esUser $esPass | b64enc }}

{{- $esScheme := tuple "elasticsearch" "internal" "http" . | include "helm-toolkit.endpoints.keystone_endpoint_scheme_lookup" }}
{{- $esSvc := tuple "elasticsearch" "default" . | include "helm-toolkit.endpoints.hostname_fqdn_endpoint_lookup" }}
{{- $esHosts := printf "%s://%s" $esScheme $esSvc }}

{{- $serviceAccountName := "kibana" }}
{{ tuple $envAll "kibana" $serviceAccountName | include "helm-toolkit.snippets.kubernetes_pod_rbac_serviceaccount" }}

{{- $kibanaPort := tuple "kibana" "internal" "http" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: kibana
  annotations:
    {{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" }}
  labels:
{{ tuple $envAll "kibana" "dashboard" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 4 }}
spec:
  replicas: {{ .Values.pod.replicas.kibana }}
  selector:
    matchLabels:
{{ tuple $envAll "kibana" "dashboard" | 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 "kibana" "dashboard" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 8 }}
      annotations:
{{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" | indent 8 }}
        configmap-bin-hash: {{ tuple "configmap-bin.yaml" . | include "helm-toolkit.utils.hash" }}
        configmap-etc-hash: {{ tuple "configmap-etc.yaml" . | include "helm-toolkit.utils.hash" }}
{{ dict "envAll" $envAll "podName" "kibana" "containerNames" (list "apache-proxy" "kibana" "init")  | include "helm-toolkit.snippets.kubernetes_mandatory_access_control_annotation" | indent 8 }}
    spec:
{{ dict "envAll" $envAll "application" "dashboard" | include "helm-toolkit.snippets.kubernetes_pod_security_context" | indent 6 }}
      serviceAccountName: {{ $serviceAccountName }}
      affinity:
{{ tuple $envAll "kibana" "dashboard" | include "helm-toolkit.snippets.kubernetes_pod_anti_affinity" | indent 8 }}
      nodeSelector:
        {{ .Values.labels.kibana.node_selector_key }}: {{ .Values.labels.kibana.node_selector_value | quote }}
      initContainers:
{{ tuple $envAll "kibana" list | include "helm-toolkit.snippets.kubernetes_entrypoint_init_container" | indent 8 }}
      containers:
        - name: apache-proxy
{{ tuple $envAll "apache_proxy" | include "helm-toolkit.snippets.image" | indent 10 }}
{{ tuple $envAll $envAll.Values.pod.resources.apache_proxy | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
{{ dict "envAll" $envAll "application" "dashboard" "container" "apache_proxy" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
          command:
            - /tmp/apache.sh
            - start
          ports:
            - name: http
              containerPort: {{ $kibanaPort }}
          readinessProbe:
            tcpSocket:
              port: {{ $kibanaPort }}
            initialDelaySeconds: 20
            periodSeconds: 30
          env:
            - name: ELASTICSEARCH_USERNAME
              valueFrom:
                secretKeyRef:
                  name: {{ $esUserSecret }}
                  key: ELASTICSEARCH_USERNAME
            - name: ELASTICSEARCH_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: {{ $esUserSecret }}
                  key: ELASTICSEARCH_PASSWORD
          volumeMounts:
            - name: pod-tmp
              mountPath: /tmp
            - name: kibana-bin
              mountPath: /tmp/apache.sh
              subPath: apache.sh
              readOnly: true
            - name: kibana-etc
              mountPath: /usr/local/apache2/conf/httpd.conf
              subPath: httpd.conf
              readOnly: true
        - name: kibana
{{ tuple $envAll "kibana" | include "helm-toolkit.snippets.image" | indent 10 }}
{{ tuple $envAll $envAll.Values.pod.resources.kibana | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
{{ dict "envAll" $envAll "application" "dashboard" "container" "kibana" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
          command:
            - /tmp/kibana.sh
            - start
          ports:
            - name: kibana
              containerPort: {{ tuple "kibana" "internal" "kibana" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
{{ dict "envAll" . "component" "kibana" "container" "kibana" "type" "liveness" "probeTemplate" (include "kibanaProbeTemplate" . | fromYaml) | include "helm-toolkit.snippets.kubernetes_probe" | indent 10 }}
{{ dict "envAll" . "component" "kibana" "container" "kibana" "type" "readiness" "probeTemplate" (include "kibanaProbeTemplate" . | fromYaml) | include "helm-toolkit.snippets.kubernetes_probe" | indent 10 }}
          env:
            - name: ELASTICSEARCH_HOSTS
              value: {{ $esHosts }}
            - name: ELASTICSEARCH_USERNAME
              valueFrom:
                secretKeyRef:
                  name: {{ $esUserSecret }}
                  key: ELASTICSEARCH_USERNAME
            - name: ELASTICSEARCH_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: {{ $esUserSecret }}
                  key: ELASTICSEARCH_PASSWORD
          volumeMounts:
            - name: pod-tmp
              mountPath: /tmp
            - name: pod-run
              mountPath: /run
            - name: kibana-bin
              mountPath: /tmp/kibana.sh
              subPath: kibana.sh
              readOnly: true
            - name: pod-etc-kibana
              mountPath: /usr/share/kibana/config
            - name: pod-optimize-kibana
              mountPath: /usr/share/kibana/optimize
            - name: kibana-etc
              mountPath: /usr/share/kibana/config/kibana.yml
              subPath: kibana.yml
              readOnly: true
{{- dict "enabled" $envAll.Values.manifests.certificates "name" $envAll.Values.endpoints.elasticsearch.auth.admin.secret.tls.internal "path" "/etc/elasticsearch/certs" | include "helm-toolkit.snippets.tls_volume_mount" | indent 12 }}
      volumes:
        - name: pod-tmp
          emptyDir: {}
        - name: pod-run
          emptyDir:
            medium: "Memory"
        - name: pod-etc-kibana
          emptyDir: {}
        - name: pod-optimize-kibana
          emptyDir: {}
        - name: kibana-bin
          configMap:
            name: kibana-bin
            defaultMode: 0555
        - name: kibana-etc
          secret:
            secretName: kibana-etc
            defaultMode: 0444
{{- dict "enabled" $envAll.Values.manifests.certificates "name" $envAll.Values.endpoints.elasticsearch.auth.admin.secret.tls.internal | include "helm-toolkit.snippets.tls_volume" | indent 8 }}
{{- end }}
