promenade/charts/apiserver/templates/daemonset.yaml

{{/*
Copyright 2017 AT&T Intellectual Property.  All other rights reserved.

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.kubernetes_apiserver }}
{{- $envAll := . }}
{{- $mounts_kubernetes_apiserver := .Values.pod.mounts.kubernetes_apiserver.kubernetes_apiserver }}
{{- $mounts_kubernetes_apiserver_init := .Values.pod.mounts.kubernetes_apiserver.init_container }}
{{- $labels := tuple $envAll "kubernetes" "kubernetes-apiserver-anchor" | include "helm-toolkit.snippets.kubernetes_metadata_labels" -}}
---
apiVersion: "apps/v1"
kind: DaemonSet
metadata:
  name: {{ .Values.service.name }}-anchor
  labels:
{{ $labels | indent 4 }}
  annotations:
    {{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" }}
spec:
  selector:
    matchLabels:
{{ $labels | indent 6 }}
{{ tuple $envAll "kubernetes-apiserver-anchor" | include "helm-toolkit.snippets.kubernetes_upgrades_daemonset" | indent 2 }}
  selector:
    matchLabels:
{{ $labels | indent 6 }}
  template:
    metadata:
      labels:
{{ $labels | indent 8 }}
      annotations:
        {{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" }}
        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" "kubernetes_apiserver_anchor" "containerNames" (list "anchor") | include "helm-toolkit.snippets.kubernetes_mandatory_access_control_annotation" | indent 8 }}
    spec:
{{ dict "envAll" $envAll "application" "kubernetes_apiserver_anchor" | include "helm-toolkit.snippets.kubernetes_pod_security_context" | indent 6 }}
      nodeSelector:
        {{ .Values.labels.kubernetes_apiserver.node_selector_key }}: {{ .Values.labels.kubernetes_apiserver.node_selector_value }}
      dnsPolicy: {{ .Values.anchor.dns_policy }}
      hostNetwork: true
      priorityClassName: system-node-critical
      tolerations:
        - key: node-role.kubernetes.io/master
          effect: NoSchedule
        - key: CriticalAddonsOnly
          operator: Exists
      terminationGracePeriodSeconds: {{ .Values.pod.lifecycle.termination_grace_period.kubernetes_apiserver.timeout }}
      containers:
        - name: anchor
          image: {{ .Values.images.tags.anchor }}
          imagePullPolicy: {{ .Values.images.pull_policy }}
{{ tuple $envAll $envAll.Values.pod.resources.anchor_pod | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
{{ dict "envAll" $envAll "application" "kubernetes_apiserver_anchor" "container" "anchor" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
          env:
          - name: MANIFEST_PATH
            value: /host{{ .Values.anchor.kubelet.manifest_path }}/{{ .Values.service.name }}.yaml
          - name: PKI_PATH
            value: /host{{ .Values.apiserver.host_etc_path }}/pki
          - name: POD_NAME
            valueFrom:
              fieldRef:
                fieldPath: metadata.name
          command: ["/bin/sh","-c"]
          args: ["/tmp/bin/anchor"]
          lifecycle:
            preStop:
              exec:
                command:
                  - /tmp/bin/pre_stop

          readinessProbe:
            exec:
              command:
              - /bin/bash
              - -c
              - |-
                grep -q "created-by: ${POD_NAME}" "${MANIFEST_PATH}" || exit 1
                [ "$(curl -s -S -o /dev/null \
                    --cert "/host{{ .Values.apiserver.host_etc_path }}/pki/apiserver.pem" \
                    --key "/host{{ .Values.apiserver.host_etc_path }}/pki/apiserver-key.pem" \
                    --cacert "/host{{ .Values.apiserver.host_etc_path }}/pki/cluster-ca.pem" \
                    "https://localhost:{{ .Values.network.kubernetes_apiserver.port }}/healthz" \
                    -w "%{http_code}")" = "200" ]
                exit $?
            initialDelaySeconds: 10
            periodSeconds: 5
            timeoutSeconds: 5

          volumeMounts:
            - name: {{ .Values.service.name }}-certs
              mountPath: /certs
            - name: host
              mountPath: /host
              mountPropagation: HostToContainer
            - name: {{ .Values.service.name }}-keys
              mountPath: /keys
            - name: {{ .Values.service.name }}-bin
              mountPath: /tmp/bin
            - name: {{ .Values.service.name }}-etc
              mountPath: /tmp/etc
            - name: pod-tmp
              mountPath: /tmp
{{ if $mounts_kubernetes_apiserver.volumeMounts }}{{ toYaml $mounts_kubernetes_apiserver.volumeMounts | indent 12 }}{{ end }}
      volumes:
        - name: {{ .Values.service.name }}-bin
          configMap:
            name: {{ .Values.service.name }}-bin
            defaultMode: 0555
        - name: {{ .Values.service.name }}-certs
          configMap:
            name: {{ .Values.service.name }}-certs
            defaultMode: 0444
        - name: host
          hostPath:
            path: /
        - name: {{ .Values.service.name }}-keys
          secret:
            secretName: {{ .Values.service.name }}-keys
            defaultMode: 0444
        - name: {{ .Values.service.name }}-etc
          configMap:
            name: {{ .Values.service.name }}-etc
            defaultMode: 0444
        - name: pod-tmp
          emptyDir: {}
{{ if $mounts_kubernetes_apiserver.volumes }}{{ toYaml $mounts_kubernetes_apiserver.volumes | indent 8 }}{{ end }}
{{- end }}