openstack-helm-infra/kubernetes-node-problem-detector/templates/daemonset.yaml

{{/*
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.daemonset }}
{{- $envAll := . }}

{{- $serviceAccountName := printf "%s-%s" .Release.Name "node-problem-detector" }}
{{ tuple $envAll "node_problem_detector" $serviceAccountName | include "helm-toolkit.snippets.kubernetes_pod_rbac_serviceaccount" }}
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: run-node-problem-detector
subjects:
  - kind: ServiceAccount
    name: {{ $serviceAccountName }}
    namespace: {{ .Release.Namespace }}
roleRef:
  kind: ClusterRole
  name: cluster-admin
  apiGroup: rbac.authorization.k8s.io
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: node-problem-detector
  annotations:
    {{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" }}
  labels:
{{ tuple $envAll "node_problem_detector" "metrics" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 4 }}
spec:
  selector:
    matchLabels:
{{ tuple $envAll "node_problem_detector" "metrics" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 6 }}
{{ tuple $envAll "node_problem_detector" | include "helm-toolkit.snippets.kubernetes_upgrades_daemonset" | indent 2 }}
  template:
    metadata:
      labels:
{{ tuple $envAll "node_problem_detector" "metrics" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 8 }}
      annotations:
{{- if .Values.monitoring.prometheus.pod.enabled }}
{{- $prometheus_annotations := $envAll.Values.monitoring.prometheus.node_problem_detector }}
{{ tuple $prometheus_annotations | include "helm-toolkit.snippets.prometheus_pod_annotations" | indent 8 }}
{{- end }}
{{ dict "envAll" $envAll "podName" "node-problem-detector" "containerNames" (list "node-problem-detector") | 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" }}
    spec:
{{ dict "envAll" $envAll "application" "node_problem_detector" | include "helm-toolkit.snippets.kubernetes_pod_security_context" | indent 6 }}
      serviceAccountName: {{ $serviceAccountName }}
{{ if .Values.pod.tolerations.node_problem_detector.enabled }}
{{ tuple $envAll "node_exporter" | include "helm-toolkit.snippets.kubernetes_tolerations" | indent 6 }}
{{ else }}
      nodeSelector:
        {{ .Values.labels.node_problem_detector.node_selector_key }}: {{ .Values.labels.node_problem_detector.node_selector_value | quote }}
{{ end }}
      containers:
        - name: node-problem-detector
{{ tuple $envAll "node_problem_detector" | include "helm-toolkit.snippets.image" | indent 10 }}
{{ tuple $envAll $envAll.Values.pod.resources.node_problem_detector | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
{{ dict "envAll" $envAll "application" "node_problem_detector" "container" "node_problem_detector" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
          command:
            - /tmp/node-problem-detector.sh
          ports:
            - name: metrics
              containerPort: {{ tuple "node_problem_detector" "internal" "metrics" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
          env:
          - name: NODE_NAME
            valueFrom:
              fieldRef:
                fieldPath: spec.nodeName
          volumeMounts:
            - name: log
              mountPath: /var/log
              readOnly: true
            - name: kmsg
              mountPath: /dev/kmsg
              readOnly: true
            - name: localtime
              mountPath: /etc/localtime
              readOnly: true
            - name: node-problem-detector-bin
              mountPath: /tmp/node-problem-detector.sh
              subPath: node-problem-detector.sh
              readOnly: true
            {{- range $monitor, $monitorConfig := $envAll.Values.conf.monitors }}
            {{- $scripts := $monitorConfig.scripts }}
            {{- range $script, $scriptSource := $scripts.source }}
            {{- if has $script $scripts.enabled }}
            - name: node-problem-detector-bin
              mountPath: /config/plugin/{{$script}}
              subPath: {{$script}}
            {{- end }}
            {{- end }}
            {{- end }}
            {{- range $monitor, $monitorConfig := $envAll.Values.conf.monitors }}
            {{- $plugins := $monitorConfig.config }}
            {{- range $plugin, $config := $plugins }}
            - name: node-problem-detector-etc
              mountPath: /config/{{$plugin}}.json
              subPath: {{$plugin}}.json
            {{- end }}
            {{- end }}
      volumes:
        - name: pod-tmp
          emptyDir: {}
        - name: log
          hostPath:
            path: /var/log
        - name: kmsg
          hostPath:
            path: /dev/kmsg
        - name: localtime
          hostPath:
            path: /etc/localtime
        - name: node-problem-detector-etc
          secret:
            secretName: node-problem-detector-etc
            defaultMode: 292
        - name: node-problem-detector-bin
          configMap:
            name: node-problem-detector-bin
            defaultMode: 365
{{- end }}