openstack-helm-infra/openvswitch/templates/daemonset-ovs-vswitchd.yaml

{{/*
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.
*/}}

{{- define "ovsvswitchlivenessProbeTemplate" }}
exec:
  command:
    - /usr/bin/ovs-appctl
    - bond/list
{{- end }}
{{- define "ovsvswitchreadinessProbeTemplate" }}
exec:
  command:
    - /bin/bash
    - -c
    - '! /usr/bin/ovs-vsctl show | grep -q error:'
{{- end }}

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

{{- $serviceAccountName := "openvswitch-vswitchd" }}
{{ tuple $envAll "vswitchd" $serviceAccountName | include "helm-toolkit.snippets.kubernetes_pod_rbac_serviceaccount" }}
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: openvswitch-vswitchd
  annotations:
    {{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" }}
  labels:
{{ tuple $envAll "openvswitch" "openvswitch-vswitchd" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 4 }}
spec:
  selector:
    matchLabels:
{{ tuple $envAll "openvswitch" "openvswitch-vswitchd" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 6 }}
{{ tuple $envAll "ovs_vswitchd" | include "helm-toolkit.snippets.kubernetes_upgrades_daemonset" | indent 2 }}
  template:
    metadata:
      labels:
{{ tuple $envAll "openvswitch" "openvswitch-vswitchd" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 8 }}
      annotations:
{{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" | indent 8 }}
        configmap-bin-hash: {{ tuple "configmap-bin.yaml" . | include "helm-toolkit.utils.hash" }}
{{ dict "envAll" $envAll "podName" "openvswitch-vswitchd" "containerNames" (list "openvswitch-vswitchd") | include "helm-toolkit.snippets.kubernetes_mandatory_access_control_annotation" | indent 8 }}
    spec:
      shareProcessNamespace: true
      serviceAccountName: {{ $serviceAccountName }}
{{ dict "envAll" $envAll "application" "openvswitch_vswitchd" | include "helm-toolkit.snippets.kubernetes_pod_security_context" | indent 6 }}
      nodeSelector:
        {{ .Values.labels.ovs.node_selector_key }}: {{ .Values.labels.ovs.node_selector_value }}
      dnsPolicy: {{ .Values.pod.dns_policy }}
      hostNetwork: true
      initContainers:
{{ tuple $envAll "vswitchd" list | include "helm-toolkit.snippets.kubernetes_entrypoint_init_container" | indent 8 }}
        - name: openvswitch-vswitchd-modules
{{ tuple $envAll "openvswitch_vswitchd" | include "helm-toolkit.snippets.image" | indent 10 }}
{{ dict "envAll" $envAll "application" "openvswitch_vswitchd" "container" "modules" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
          command:
            - /tmp/openvswitch-vswitchd-init-modules.sh
          volumeMounts:
            - name: pod-tmp
              mountPath: /tmp
            - name: openvswitch-bin
              mountPath: /tmp/openvswitch-vswitchd-init-modules.sh
              subPath: openvswitch-vswitchd-init-modules.sh
              readOnly: true
            - name: host-rootfs
              mountPath: /mnt/host-rootfs
              readOnly: true
      containers:
        - name: openvswitch-vswitchd
{{- if .Values.conf.dpdk.enabled }}
{{/* Run the container in priviledged mode due to the need for root
permissions when using the uio_pci_generic driver. */}}
{{- $_ := set $envAll.Values.pod.security_context.openvswitch_vswitchd.container.vswitchd "privileged" true -}}
{{- end }}
{{ tuple $envAll "openvswitch_vswitchd" | include "helm-toolkit.snippets.image" | indent 10 }}
{{ dict "envAll" $envAll "application" "openvswitch_vswitchd" "container" "vswitchd" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
{{- if .Values.conf.dpdk.enabled }}
{{/* When running with DPDK, we need to specify the type and amount of hugepages.
The following line enables resource handling in general, but the type and amount
of hugepages must still be defined in the values.yaml.*/}}
{{ $_ := set $envAll.Values.pod.resources "enabled" true }}
{{- end }}
{{ tuple $envAll $envAll.Values.pod.resources.ovs.vswitchd | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
          # ensures this container can speak to the ovs database
          # successfully before its marked as ready
{{ dict "envAll" $envAll "component" "ovs_vswitch" "container" "ovs_vswitch" "type" "liveness" "probeTemplate" (include "ovsvswitchlivenessProbeTemplate" $envAll | fromYaml) | include "helm-toolkit.snippets.kubernetes_probe" | indent 10 }}
{{ dict "envAll" $envAll "component" "ovs_vswitch" "container" "ovs_vswitch" "type" "readiness" "probeTemplate" (include "ovsvswitchreadinessProbeTemplate" $envAll | fromYaml) | include "helm-toolkit.snippets.kubernetes_probe" | indent 10 }}
          command:
            - /tmp/openvswitch-vswitchd.sh
            - start
          lifecycle:
            preStop:
              exec:
                command:
                  - /tmp/openvswitch-db-server.sh
                  - stop
          volumeMounts:
            - name: pod-tmp
              mountPath: /tmp
            - name: openvswitch-bin
              mountPath: /tmp/openvswitch-vswitchd.sh
              subPath: openvswitch-vswitchd.sh
              readOnly: true
            - name: run
              mountPath: /run
{{- if .Values.conf.dpdk.enabled }}
            - name: hugepages
              mountPath: {{ .Values.conf.dpdk.hugepages_mountpath | quote }}
            - name: pci-devices
              mountPath: /sys/bus/pci/devices
            - name: huge-pages-kernel
              mountPath: /sys/kernel/mm/hugepages
            - name: node-devices
              mountPath: /sys/devices/system/node
            - name: modules
              mountPath: /lib/modules
            - name: devs
              mountPath: /dev
            - name: pci-drivers
              mountPath: /sys/bus/pci/drivers
{{- end }}
      volumes:
        - name: pod-tmp
          emptyDir: {}
        - name: openvswitch-bin
          configMap:
            name: openvswitch-bin
            defaultMode: 0555
        - name: run
          hostPath:
            path: /run
            type: Directory
        - name: host-rootfs
          hostPath:
            path: /
            type: Directory
{{- if .Values.conf.dpdk.enabled }}
        - name: devs
          hostPath:
            path: /dev
            type: Directory
        - name: pci-devices
          hostPath:
            path: /sys/bus/pci/devices
            type: Directory
        - name: huge-pages-kernel
          hostPath:
            path: /sys/kernel/mm/hugepages
            type: Directory
        - name: node-devices
          hostPath:
            path: /sys/devices/system/node
            type: Directory
        - name: modules
          hostPath:
            path: /lib/modules
            type: Directory
        - name: pci-drivers
          hostPath:
            path: /sys/bus/pci/drivers
            type: Directory
        - name: hugepages
          hostPath:
            path: {{ .Values.conf.dpdk.hugepages_mountpath | quote }}
            type: Directory
{{- end }}
{{- end }}