openstack/openstack-helm-infra
Code Issues Proposed changes
openstack-helm-infra/libvirt/templates/daemonset-libvirt.yaml
Steven Webster 96d2c00391 Libvirt: support per node overrides 
This commit adds support for per-node overrides to the libvirt chart.

For example, to enable a relaxed ACS check on one host, but not another,
one may have the following in the override values file:

conf:
  overrides:
    libvirt_libvirt:
      hosts:
      - name: host1.fqdn
        conf:
          qemu:
            relaxed_acs_check: 1
      - name: host2.fqdn
        conf:
          qemu:
            relaxed_acs_check: 0

Story: 2005283
Task: 30140

Change-Id: Ia3431db6b78692ec0140cce1bab9bae5937318a4
Signed-off-by: Steven Webster <steven.webster@windriver.com>
2019-03-25 17:02:15 -04:00

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{{/*
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 "libvirt.daemonset" }}
{{- $daemonset := index . 0 }}
{{- $configMapName := index . 1 }}
{{- $serviceAccountName := index . 2 }}
{{- $envAll := index . 3 }}
{{- with $envAll }}
{{- $mounts_libvirt := .Values.pod.mounts.libvirt.libvirt }}
{{- $mounts_libvirt_init := .Values.pod.mounts.libvirt.init_container }}
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
name: libvirt
annotations:
{{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" }}
labels:
{{ tuple $envAll .Chart.Name $daemonset | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 4 }}
spec:
selector:
matchLabels:
{{ tuple $envAll .Chart.Name $daemonset | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 6 }}
{{ tuple $envAll $daemonset | include "helm-toolkit.snippets.kubernetes_upgrades_daemonset" | indent 2 }}
template:
metadata:
labels:
{{ tuple $envAll .Chart.Name $daemonset | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 8 }}
annotations:
{{- dict "envAll" $envAll "podName" "libvirt" "containerNames" (list "libvirt") | 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" }}
configmap-etc-hash: {{ tuple "configmap-etc.yaml" . | include "helm-toolkit.utils.hash" }}
spec:
serviceAccountName: {{ $serviceAccountName }}
nodeSelector:
{{ .Values.labels.agent.libvirt.node_selector_key }}: {{ .Values.labels.agent.libvirt.node_selector_value }}
hostNetwork: true
hostPID: true
hostIPC: true
dnsPolicy: ClusterFirstWithHostNet
initContainers:
{{ tuple $envAll "pod_dependency" $mounts_libvirt_init | include "helm-toolkit.snippets.kubernetes_entrypoint_init_container" | indent 8 }}
{{ dict "envAll" $envAll | include "helm-toolkit.snippets.kubernetes_apparmor_loader_init_container" | indent 8 }}
{{- if .Values.conf.ceph.enabled }}
{{- if empty .Values.conf.ceph.cinder.keyring }}
- name: ceph-admin-keyring-placement
{{ tuple $envAll "libvirt" | include "helm-toolkit.snippets.image" | indent 10 }}
securityContext:
runAsUser: 0
command:
- /tmp/ceph-admin-keyring.sh
volumeMounts:
- name: etcceph
mountPath: /etc/ceph
- name: libvirt-bin
mountPath: /tmp/ceph-admin-keyring.sh
subPath: ceph-admin-keyring.sh
readOnly: true
{{- if empty .Values.conf.ceph.admin_keyring }}
- name: ceph-keyring
mountPath: /tmp/client-keyring
subPath: key
readOnly: true
{{ end }}
{{ end }}
- name: ceph-keyring-placement
{{ tuple $envAll "libvirt" | include "helm-toolkit.snippets.image" | indent 10 }}
securityContext:
runAsUser: 0
env:
- name: CEPH_CINDER_USER
value: "{{ .Values.conf.ceph.cinder.user }}"
{{- if .Values.conf.ceph.cinder.keyring }}
- name: CEPH_CINDER_KEYRING
value: "{{ .Values.conf.ceph.cinder.keyring }}"
{{ end }}
- name: LIBVIRT_CEPH_CINDER_SECRET_UUID
value: "{{ .Values.conf.ceph.cinder.secret_uuid }}"
command:
- /tmp/ceph-keyring.sh
volumeMounts:
- name: etcceph
mountPath: /etc/ceph
- name: libvirt-bin
mountPath: /tmp/ceph-keyring.sh
subPath: ceph-keyring.sh
readOnly: true
- name: ceph-etc
mountPath: /etc/ceph/ceph.conf.template
subPath: ceph.conf
readOnly: true
{{- end }}
containers:
- name: libvirt
{{ tuple $envAll "libvirt" | include "helm-toolkit.snippets.image" | indent 10 }}
{{ tuple $envAll $envAll.Values.pod.resources.libvirt | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
securityContext:
privileged: true
runAsUser: 0
{{- if .Values.conf.ceph.enabled }}
env:
- name: CEPH_CINDER_USER
value: "{{ .Values.conf.ceph.cinder.user }}"
{{- if .Values.conf.ceph.cinder.keyring }}
- name: CEPH_CINDER_KEYRING
value: "{{ .Values.conf.ceph.cinder.keyring }}"
{{ end }}
- name: LIBVIRT_CEPH_CINDER_SECRET_UUID
value: "{{ .Values.conf.ceph.cinder.secret_uuid }}"
{{ end }}
command:
- /tmp/libvirt.sh
lifecycle:
preStop:
exec:
command:
- bash
- -c
- |-
kill $(cat /var/run/libvirtd.pid)
volumeMounts:
- name: libvirt-bin
mountPath: /tmp/libvirt.sh
subPath: libvirt.sh
readOnly: true
- name: libvirt-etc
mountPath: /etc/libvirt/libvirtd.conf
subPath: libvirtd.conf
readOnly: true
- name: libvirt-etc
mountPath: /etc/libvirt/qemu.conf
subPath: qemu.conf
readOnly: true
- name: etc-libvirt-qemu
mountPath: /etc/libvirt/qemu
- mountPath: /lib/modules
name: libmodules
readOnly: true
- name: var-lib-libvirt
mountPath: /var/lib/libvirt
{{- if or ( gt .Capabilities.KubeVersion.Major "1" ) ( ge .Capabilities.KubeVersion.Minor "10" ) }}
mountPropagation: Bidirectional
{{- end }}
- name: var-lib-nova
mountPath: /var/lib/nova
{{- if or ( gt .Capabilities.KubeVersion.Major "1" ) ( ge .Capabilities.KubeVersion.Minor "10" ) }}
mountPropagation: Bidirectional
{{- end }}
- name: run
mountPath: /run
- name: dev
mountPath: /dev
- name: cgroup
mountPath: /sys/fs/cgroup
- name: logs
mountPath: /var/log/libvirt
- name: machine-id
mountPath: /etc/machine-id
readOnly: true
{{- if .Values.conf.ceph.enabled }}
- name: etcceph
mountPath: /etc/ceph
{{- if or ( gt .Capabilities.KubeVersion.Major "1" ) ( ge .Capabilities.KubeVersion.Minor "10" ) }}
mountPropagation: Bidirectional
{{- end }}
{{- if empty .Values.conf.ceph.cinder.keyring }}
- name: ceph-keyring
mountPath: /tmp/client-keyring
subPath: key
readOnly: true
{{- end }}
{{- end }}
{{ if $mounts_libvirt.volumeMounts }}{{ toYaml $mounts_libvirt.volumeMounts | indent 12 }}{{ end }}
volumes:
- name: libvirt-bin
configMap:
name: libvirt-bin
defaultMode: 0555
- name: libvirt-etc
secret:
secretName: {{ $configMapName }}
defaultMode: 0444
{{- if .Values.conf.ceph.enabled }}
- name: etcceph
hostPath:
path: /var/lib/openstack-helm/compute/libvirt
- name: ceph-etc
configMap:
name: {{ .Values.ceph_client.configmap }}
defaultMode: 0444
{{- if empty .Values.conf.ceph.cinder.keyring }}
- name: ceph-keyring
secret:
secretName: {{ .Values.ceph_client.user_secret_name }}
{{ end }}
{{ end }}
- name: libmodules
hostPath:
path: /lib/modules
- name: var-lib-libvirt
hostPath:
path: /var/lib/libvirt
- name: var-lib-nova
hostPath:
path: /var/lib/nova
- name: run
hostPath:
path: /run
- name: dev
hostPath:
path: /dev
- name: logs
hostPath:
path: /var/log/libvirt
- name: cgroup
hostPath:
path: /sys/fs/cgroup
- name: machine-id
hostPath:
path: /etc/machine-id
- name: etc-libvirt-qemu
hostPath:
path: /etc/libvirt/qemu
{{ dict "envAll" $envAll "component" "libvirt" "requireSys" true | include "helm-toolkit.snippets.kubernetes_apparmor_volumes" | indent 8 }}
{{ if $mounts_libvirt.volumes }}{{ toYaml $mounts_libvirt.volumes | indent 8 }}{{ end }}
{{- end }}
{{- end }}
{{- if .Values.manifests.daemonset_libvirt }}
{{- $envAll := . }}
{{- $daemonset := "libvirt" }}
{{- $configMapName := "libvirt-etc" }}
{{- $serviceAccountName := "libvirt" }}
{{- $dependencyOpts := dict "envAll" $envAll "dependencyMixinParam" $envAll.Values.network.backend "dependencyKey" "libvirt" -}}
{{- $_ := include "helm-toolkit.utils.dependency_resolver" $dependencyOpts | toString | fromYaml }}
{{ tuple $envAll "pod_dependency" $serviceAccountName | include "helm-toolkit.snippets.kubernetes_pod_rbac_serviceaccount" }}
{{- $daemonset_yaml := list $daemonset $configMapName $serviceAccountName . | include "libvirt.daemonset" | toString | fromYaml }}
{{- $configmap_yaml := "libvirt.configmap.etc" }}
{{- list $daemonset $daemonset_yaml $configmap_yaml $configMapName . | include "helm-toolkit.utils.daemonset_overrides" }}
{{- end }}
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