apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: {{ include "alertmanager.fullname" . }}
  labels:
    {{- include "alertmanager.labels" . | nindent 4 }}
{{- if .Values.statefulSet.annotations }}
  annotations:
    {{ toYaml .Values.statefulSet.annotations | nindent 4 }}
{{- end }}
spec:
  replicas: {{ .Values.replicaCount }}
  selector:
    matchLabels:
      {{- include "alertmanager.selectorLabels" . | nindent 6 }}
  serviceName: {{ include "alertmanager.fullname" . }}-headless
  template:
    metadata:
      labels:
        {{- include "alertmanager.selectorLabels" . | nindent 8 }}
{{- if .Values.podLabels }}
        {{ toYaml .Values.podLabels | nindent 8 }}
{{- end }}
      annotations:
      {{- if not .Values.configmapReload.enabled }}
        checksum/config: {{ include (print $.Template.BasePath "/configmap.yaml") . | sha256sum }}
      {{- end }}
{{- if .Values.podAnnotations }}
        {{- toYaml .Values.podAnnotations | nindent 8 }}
{{- end }}
    spec:
    {{- with .Values.imagePullSecrets }}
      imagePullSecrets:
        {{- toYaml . | nindent 8 }}
    {{- end }}
      serviceAccountName: {{ include "alertmanager.serviceAccountName" . }}
    {{- with .Values.dnsConfig }}
      dnsConfig:
        {{- toYaml . | nindent 8 }}
    {{- end }}
    {{- with .Values.nodeSelector }}
      nodeSelector:
        {{- toYaml . | nindent 8 }}
      {{- end }}
    {{- with .Values.affinity }}
      affinity:
        {{- toYaml . | nindent 8 }}
    {{- end }}
    {{- with .Values.tolerations }}
      tolerations:
        {{- toYaml . | nindent 8 }}
    {{- end }}
      securityContext:
        {{- toYaml .Values.podSecurityContext | nindent 8 }}
      containers:
        {{- if and (.Values.configmapReload.enabled) (.Values.config) }}
        - name: {{ .Chart.Name }}-{{ .Values.configmapReload.name }}
          image: "{{ .Values.configmapReload.image.repository }}:{{ .Values.configmapReload.image.tag }}"
          imagePullPolicy: "{{ .Values.configmapReload.image.pullPolicy }}"
          args:
            - --volume-dir=/etc/alertmanager
            - --webhook-url=http://127.0.0.1:{{ .Values.service.port }}/-/reload
          resources:
            {{- toYaml .Values.configmapReload.resources | nindent 12 }}
          volumeMounts:
            - name: config
              mountPath: /etc/alertmanager
        {{- end }}
        - name: {{ .Chart.Name }}
          securityContext:
            {{- toYaml .Values.securityContext | nindent 12 }}
          image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
          imagePullPolicy: {{ .Values.image.pullPolicy }}
          env:
            - name: POD_IP
              valueFrom:
                fieldRef:
                  apiVersion: v1
                  fieldPath: status.podIP
{{- if .Values.command }}
          command:
            {{- toYaml .Values.command | nindent 12 }}
{{- end }}
          args:
            - --storage.path=/alertmanager
            - --config.file=/etc/alertmanager/alertmanager.yml
            {{- if or (gt .Values.replicaCount 1.0) (.Values.additionalPeers) }}
            - --cluster.advertise-address=$(POD_IP):9094
            - --cluster.listen-address=0.0.0.0:9094
            {{- end }}
            {{- if gt .Values.replicaCount 1.0}}
            {{- $fullName := include "alertmanager.fullname" . }}
            {{- range $i := until (int .Values.replicaCount) }}
            - --cluster.peer={{ $fullName }}-{{ $i }}.{{ $fullName }}-headless:9094
            {{- end }}
            {{- end }}
            {{- if .Values.additionalPeers }}
            {{- range $item := .Values.additionalPeers }}
            - --cluster.peer={{ $item }}
            {{- end }}
            {{- end }}
            {{- range $key, $value := .Values.extraArgs }}
            - --{{ $key }}={{ $value }}
            {{- end }}
          ports:
            - name: http
              containerPort: 9093
              protocol: TCP
          livenessProbe:
            httpGet:
              path: /
              port: http
          readinessProbe:
            httpGet:
              path: /
              port: http
          resources:
            {{- toYaml .Values.resources | nindent 12 }}
          volumeMounts:
            {{- if .Values.config }}
            - name: config
              mountPath: /etc/alertmanager
            {{- end }}
            - name: storage
              mountPath: /alertmanager
      {{- if .Values.config }}
      volumes:
        - name: config
          configMap:
            name: {{ include "alertmanager.fullname" . }}
      {{- end }}
      {{- if .Values.persistence.enabled }}
  volumeClaimTemplates:
    - metadata:
        name: storage
      spec:
        accessModes:
          {{- toYaml .Values.persistence.accessModes | nindent 10 }}
        resources:
          requests:
            storage: {{ .Values.persistence.size }}
      {{- if .Values.persistence.storageClass }}
      {{- if (eq "-" .Values.persistence.storageClass) }}
        storageClassName: ""
      {{- else }}
        storageClassName: {{ .Values.persistence.storageClass }}
      {{- end }}
      {{- end }}
{{- else }}
        - name: storage
          emptyDir: {}
{{- end -}}