{{/*
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 := . }}

{{- $nagiosUserSecret := .Values.secrets.nagios.admin }}

{{- $serviceAccountName := "nagios" }}
{{ tuple $envAll "nagios" $serviceAccountName | include "helm-toolkit.snippets.kubernetes_pod_rbac_serviceaccount" }}
---
apiVersion: rbac.authorization.k8s.io/v1beta1
kind: ClusterRole
metadata:
  name: {{ $serviceAccountName }}
rules:
  - apiGroups:
      - ""
    resources:
      - nodes
      - nodes/proxy
      - services
      - endpoints
      - pods
    verbs:
      - get
      - list
      - watch
  - apiGroups:
      - ""
    resources:
      - configmaps
    verbs:
      - get
---
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
---
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: nagios
spec:
  replicas: {{ .Values.pod.replicas.nagios }}
{{ tuple $envAll | include "helm-toolkit.snippets.kubernetes_upgrades_deployment" | indent 2 }}
  template:
    metadata:
      labels:
{{ tuple $envAll "nagios" "monitoring" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 8 }}
    spec:
      serviceAccountName: {{ $serviceAccountName }}
      nodeSelector:
        {{ .Values.labels.nagios.node_selector_key }}: {{ .Values.labels.nagios.node_selector_value }}
      terminationGracePeriodSeconds: {{ .Values.pod.lifecycle.termination_grace_period.nagios.timeout | default "30" }}
      initContainers:
{{ tuple $envAll "nagios" list | include "helm-toolkit.snippets.kubernetes_entrypoint_init_container" | indent 8 }}
      containers:
        - name: nagios
{{ tuple $envAll "nagios" | include "helm-toolkit.snippets.image" | indent 10 }}
{{ tuple $envAll $envAll.Values.pod.resources.nagios | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
          ports:
            - name: http
              containerPort: {{ tuple "nagios" "internal" "http" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
          env:
            - name: PROMETHEUS_SERVICE
              value: {{ tuple "monitoring" "internal" "api" . | include "helm-toolkit.endpoints.host_and_port_endpoint_uri_lookup" }}
            - name: NAGIOSADMIN_USER
              valueFrom:
                secretKeyRef:
                  name: {{ $nagiosUserSecret }}
                  key: NAGIOSADMIN_USER
            - name: NAGIOSADMIN_PASS
              valueFrom:
                secretKeyRef:
                  name: {{ $nagiosUserSecret }}
                  key: NAGIOSADMIN_PASS
          volumeMounts:
            - name: nagios-etc
              mountPath: /opt/nagios/etc/nagios.cfg
              subPath: nagios.cfg
              readOnly: true
            - name: nagios-etc
              mountPath: /opt/nagios/etc/nagios_objects.cfg
              subPath: nagios_objects.cfg
              readOnly: true
      volumes:
        - name: nagios-etc
          configMap:
            name: nagios-etc
            defaultMode: 0444
{{- end }}