{{/*
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.global).subchart_release_name }}
{{- $_ := set . "deployment_name" .Chart.Name }}
{{- else }}
{{- $_ := set . "deployment_name" .Release.Name }}
{{- end }}

{{- define "memcachedProbeTemplate" }}
tcpSocket:
  port: {{ tuple "oslo_cache" "internal" "memcache" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
{{- end }}

{{- define "exporterProbeTemplate" }}
httpGet:
  path: /metrics
  port: {{ tuple "oslo_cache" "internal" "metrics" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
{{- end }}

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

{{- $rcControllerName := printf "%s-%s" $envAll.deployment_name "memcached" }}
{{- $configMapBinName := printf "%s-%s" $envAll.deployment_name "memcached-bin" }}

{{ tuple $envAll "memcached" $rcControllerName | include "helm-toolkit.snippets.kubernetes_pod_rbac_serviceaccount" }}
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: {{ $rcControllerName | quote }}
  annotations:
    {{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" }}
  labels:
{{ tuple $envAll "memcached" "server" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 4 }}
spec:
  podManagementPolicy: Parallel
  replicas: {{ .Values.pod.replicas.server }}
  serviceName: "{{ tuple "oslo_cache" "internal" . | include "helm-toolkit.endpoints.hostname_short_endpoint_lookup" }}"
  selector:
    matchLabels:
{{ tuple $envAll "memcached" "server" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 6 }}
  template:
    metadata:
      annotations:
{{ dict "envAll" $envAll "podName" "memcached" "containerNames" (list "init" "memcached") | include "helm-toolkit.snippets.kubernetes_mandatory_access_control_annotation" | indent 8 }}
{{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" | indent 8 }}
        configmap-bin-hash: {{ tuple "configmap-bin.yaml" . | include "helm-toolkit.utils.hash" }}
      labels:
{{ tuple $envAll "memcached" "server" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 8 }}
    spec:
{{ dict "envAll" $envAll "application" "server" | include "helm-toolkit.snippets.kubernetes_pod_security_context" | indent 6 }}
      shareProcessNamespace: true
      serviceAccountName: {{ $rcControllerName | quote }}
      affinity:
{{ tuple $envAll "memcached" "server" | include "helm-toolkit.snippets.kubernetes_pod_anti_affinity" | indent 8 }}
      nodeSelector:
        {{ .Values.labels.server.node_selector_key }}: {{ .Values.labels.server.node_selector_value | quote }}
{{ if $envAll.Values.pod.tolerations.memcached.enabled }}
{{ tuple $envAll "memcached" | include "helm-toolkit.snippets.kubernetes_tolerations" | indent 6 }}
{{ end }}
      terminationGracePeriodSeconds: {{ .Values.pod.lifecycle.termination_grace_period.memcached.timeout | default "30" }}
      initContainers:
{{ tuple $envAll "memcached" list | include "helm-toolkit.snippets.kubernetes_entrypoint_init_container" | indent 8 }}
{{ dict "envAll" $envAll | include "helm-toolkit.snippets.kubernetes_apparmor_loader_init_container" | indent 8 }}
      containers:
        - name: memcached
{{ tuple $envAll "memcached" | include "helm-toolkit.snippets.image" | indent 10 }}
{{ tuple $envAll $envAll.Values.pod.resources.server | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
{{ dict "envAll" $envAll "application" "server" "container" "memcached" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
          env:
            - name: MEMCACHED_PORT
              value: {{ tuple "oslo_cache" "internal" "memcache" . | include "helm-toolkit.endpoints.endpoint_port_lookup" | quote }}
            - name: MEMCACHED_MAX_CONNECTIONS
              value: {{ .Values.conf.memcached.max_connections | quote }}
            - name: MEMCACHED_MEMORY
              value: {{ .Values.conf.memcached.memory | quote }}
          command:
            - /tmp/memcached.sh
          ports:
            - containerPort: {{ tuple "oslo_cache" "internal" "memcache" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
{{ dict "envAll" $envAll "component" "memcached" "container" "memcached" "type" "readiness" "probeTemplate" (include "memcachedProbeTemplate" $envAll | fromYaml) | include "helm-toolkit.snippets.kubernetes_probe" | indent 10 }}
{{ dict "envAll" $envAll "component" "memcached" "container" "memcached" "type" "liveness" "probeTemplate" (include "memcachedProbeTemplate" $envAll | fromYaml) | include "helm-toolkit.snippets.kubernetes_probe" | indent 10 }}
          volumeMounts:
            - name: pod-tmp
              mountPath: /tmp
            - name: memcached-bin
              mountPath: /tmp/memcached.sh
              subPath: memcached.sh
              readOnly: true
{{- if .Values.monitoring.prometheus.enabled }}
        - name: memcached-exporter
          env:
          - name: MEMCACHED_HOST
            value: 127.0.0.1
          - name: MEMCACHED_PORT
            value: {{ tuple "oslo_cache" "internal" "memcache" . | include "helm-toolkit.endpoints.endpoint_port_lookup" | quote }}
{{ tuple $envAll "prometheus_memcached_exporter" | include "helm-toolkit.snippets.image" | indent 10 }}
{{ tuple $envAll $envAll.Values.pod.resources.prometheus_memcached_exporter | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
{{ dict "envAll" $envAll "application" "server" "container" "memcached_exporter" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
          command:
            - /tmp/memcached-exporter.sh
            - start
          ports:
            - name: metrics
              containerPort: {{ tuple "oslo_cache" "internal" "metrics" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
{{ dict "envAll" $envAll "component" "memcached" "container" "memcached_exporter" "type" "readiness" "probeTemplate" (include "exporterProbeTemplate" $envAll | fromYaml) | include "helm-toolkit.snippets.kubernetes_probe" | indent 10 }}
{{ dict "envAll" $envAll "component" "memcached" "container" "memcached_exporter" "type" "liveness" "probeTemplate" (include "exporterProbeTemplate" $envAll | fromYaml) | include "helm-toolkit.snippets.kubernetes_probe" | indent 10 }}
          volumeMounts:
            - name: pod-tmp
              mountPath: /tmp
            - name: memcached-bin
              mountPath: /tmp/memcached-exporter.sh
              subPath: memcached-exporter.sh
              readOnly: true
{{- end }}
      volumes:
        - name: pod-tmp
          emptyDir: {}
        - name: memcached-bin
          configMap:
            name: {{ $configMapBinName | quote }}
            defaultMode: 360
{{ dict "envAll" $envAll "component" "memcached" "requireSys" true | include "helm-toolkit.snippets.kubernetes_apparmor_volumes" | indent 8 }}
{{- end }}
