openstack-helm/neutron/templates/daemonset-l2gw-agent.yaml
DODDA, PRATEEK REDDY (PD2839) f742ebd6ae Add missing security context to Neutron pods/containers
This updates the Neutron chart to include the pod
security context on the pod template.

This also adds the container security context to set
readOnlyRootFilesystem flag to true

Change-Id: I50ccec785eb3b18d6c00df2ad5f566a72db4604d
2020-07-07 01:41:22 +00:00

165 lines
7.0 KiB
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.
*/}}
{{- define "l2gwAgentLivenessProbeTemplate" }}
exec:
command:
- python
- /tmp/health-probe.py
- --config-file
- /etc/neutron/neutron.conf
- --config-file
- /etc/neutron/l2gw_agent.ini
- --agent-queue-name
- l2gateway_agent
- --liveness-probe
{{- if .Values.pod.use_fqdn.neutron_agent }}
- --use-fqdn
{{- end }}
{{- end }}
{{- define "l2gwAgentReadinessProbeTemplate" }}
exec:
command:
- python
- /tmp/health-probe.py
- --config-file
- /etc/neutron/neutron.conf
- --config-file
- /etc/neutron/l2gw_agent.ini
- --agent-queue-name
- l2gateway_agent
{{- if .Values.pod.use_fqdn.neutron_agent }}
- --use-fqdn
{{- end }}
{{- end }}
{{- define "neutron.l2gw_agent.daemonset" }}
{{- $daemonset := index . 0 }}
{{- $configMapName := index . 1 }}
{{- $serviceAccountName := index . 2 }}
{{- $envAll := index . 3 }}
{{- with $envAll }}
{{- $mounts_neutron_l2gw_agent := .Values.pod.mounts.neutron_l2gw_agent.neutron_l2gw_agent }}
{{- $mounts_neutron_l2gw_agent_init := .Values.pod.mounts.neutron_l2gw_agent.init_container }}
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
name: neutron-l2gw-agent
annotations:
{{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" }}
labels:
{{ tuple $envAll "neutron" "l2gw-agent" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 4 }}
spec:
selector:
matchLabels:
{{ tuple $envAll "neutron" "l2gw-agent" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 6 }}
{{ tuple $envAll "l2gw_agent" | include "helm-toolkit.snippets.kubernetes_upgrades_daemonset" | indent 2 }}
template:
metadata:
labels:
{{ tuple $envAll "neutron" "l2gw-agent" | 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" }}
configmap-etc-hash: {{ tuple "configmap-etc.yaml" . | include "helm-toolkit.utils.hash" }}
spec:
{{ dict "envAll" $envAll "application" "neutron_l2gw_agent" | include "helm-toolkit.snippets.kubernetes_pod_security_context" | indent 6 }}
serviceAccountName: {{ $serviceAccountName }}
nodeSelector:
{{ .Values.labels.agent.l2gw.node_selector_key }}: {{ .Values.labels.agent.l2gw.node_selector_value }}
dnsPolicy: ClusterFirstWithHostNet
hostNetwork: true
{{- if or ( gt .Capabilities.KubeVersion.Major "1" ) ( ge .Capabilities.KubeVersion.Minor "10" ) }}
shareProcessNamespace: true
{{- else }}
hostPID: true
{{- end }}
initContainers:
{{ tuple $envAll "pod_dependency" $mounts_neutron_l2gw_agent_init | include "helm-toolkit.snippets.kubernetes_entrypoint_init_container" | indent 8 }}
containers:
- name: neutron-l2gw-agent
{{ tuple $envAll "neutron_l2gw" | include "helm-toolkit.snippets.image" | indent 10 }}
{{ tuple $envAll $envAll.Values.pod.resources.agent.l2gw | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
{{ dict "envAll" $envAll "application" "neutron_l2gw_agent" "container" "neutron_l2gw_agent" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
env:
- name: RPC_PROBE_TIMEOUT
value: "{{ .Values.pod.probes.rpc_timeout }}"
- name: RPC_PROBE_RETRIES
value: "{{ .Values.pod.probes.rpc_retries }}"
{{ dict "envAll" $envAll "component" "l2gw_agent" "container" "l2gw_agent" "type" "liveness" "probeTemplate" (include "l2gwAgentLivenessProbeTemplate" $envAll | fromYaml) | include "helm-toolkit.snippets.kubernetes_probe" | indent 10 }}
{{ dict "envAll" $envAll "component" "l2gw_agent" "container" "l2gw_agent" "type" "readiness" "probeTemplate" (include "l2gwAgentReadinessProbeTemplate" $envAll | fromYaml) | include "helm-toolkit.snippets.kubernetes_probe" | indent 10 }}
command:
- /tmp/neutron-l2gw-agent.sh
volumeMounts:
- name: pod-tmp
mountPath: /tmp
- name: pod-var-neutron
mountPath: {{ .Values.conf.neutron.DEFAULT.state_path }}
- name: neutron-bin
mountPath: /tmp/neutron-l2gw-agent.sh
subPath: neutron-l2gw-agent.sh
readOnly: true
- name: neutron-bin
mountPath: /tmp/health-probe.py
subPath: health-probe.py
readOnly: true
- name: neutron-etc
mountPath: /etc/neutron/neutron.conf
subPath: neutron.conf
readOnly: true
{{- if .Values.conf.neutron.DEFAULT.log_config_append }}
- name: neutron-etc
mountPath: {{ .Values.conf.neutron.DEFAULT.log_config_append }}
subPath: {{ base .Values.conf.neutron.DEFAULT.log_config_append }}
readOnly: true
{{- end }}
- name: neutron-etc
mountPath: /etc/neutron/l2gw_agent.ini
subPath: l2gw_agent.ini
readOnly: true
{{ if $mounts_neutron_l2gw_agent.volumeMounts }}{{ toYaml $mounts_neutron_l2gw_agent.volumeMounts | indent 12 }}{{ end }}
volumes:
- name: pod-tmp
emptyDir: {}
- name: pod-var-neutron
emptyDir: {}
- name: neutron-bin
configMap:
name: neutron-bin
defaultMode: 0555
- name: neutron-etc
secret:
secretName: {{ $configMapName }}
defaultMode: 0444
{{ if $mounts_neutron_l2gw_agent.volumes }}{{ toYaml $mounts_neutron_l2gw_agent.volumes | indent 8 }}{{ end }}
{{- end }}
{{- end }}
{{- if .Values.manifests.daemonset_l2gw_agent }}
{{- $envAll := . }}
{{- $daemonset := "l2gw-agent" }}
{{- $configMapName := "neutron-etc" }}
{{- $serviceAccountName := "neutron-l2gw-agent" }}
{{- $dependencyOpts := dict "envAll" $envAll "dependencyMixinParam" $envAll.Values.network.backend "dependencyKey" "l2gateway" -}}
{{- $_ := 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 "neutron.l2gw_agent.daemonset" | toString | fromYaml }}
{{- $configmap_yaml := "neutron.configmap.etc" }}
{{- list $daemonset $daemonset_yaml $configmap_yaml $configMapName . | include "helm-toolkit.utils.daemonset_overrides" }}
{{- end }}