openstack-helm-infra/elasticsearch/templates/monitoring/prometheus/exporter-deployment.yaml
Steve Wilkerson 0679ed49bd Elasticsearch: Add security context for exporter pod/container
This adds the security context snippet for the elasticsearch
prometheus exporter pod. This changes the pod's user from root to
the nobody user instead

This also adds the container security context to explicitly set
allowPrivilegeEscalation to false

Change-Id: If692fccaf4dd362b28fecb4656036289a3a97122
2019-01-03 16:12:17 -06:00

89 lines
3.9 KiB
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.
*/}}
{{- if and .Values.manifests.monitoring.prometheus.deployment_exporter .Values.monitoring.prometheus.enabled }}
{{- $envAll := . }}
{{- $esUserSecret := .Values.secrets.elasticsearch.user }}
{{- $serviceAccountName := "prometheus-elasticsearch-exporter" }}
{{ tuple $envAll "prometheus_elasticsearch_exporter" $serviceAccountName | include "helm-toolkit.snippets.kubernetes_pod_rbac_serviceaccount" }}
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: prometheus-elasticsearch-exporter
labels:
{{ tuple $envAll "elasticsearch" "exporter" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 4 }}
spec:
replicas: {{ .Values.pod.replicas.prometheus_elasticsearch_exporter }}
selector:
matchLabels:
{{ tuple $envAll "elasticsearch" "exporter" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 6 }}
{{ tuple $envAll | include "helm-toolkit.snippets.kubernetes_upgrades_deployment" | indent 2 }}
template:
metadata:
labels:
{{ tuple $envAll "elasticsearch" "exporter" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 8 }}
spec:
{{ dict "envAll" $envAll "application" "elasticsearch_exporter" | include "helm-toolkit.snippets.kubernetes_pod_security_context" | indent 6 }}
serviceAccountName: {{ $serviceAccountName }}
nodeSelector:
{{ .Values.labels.elasticsearch.node_selector_key }}: {{ .Values.labels.elasticsearch.node_selector_value | quote }}
terminationGracePeriodSeconds: {{ .Values.pod.lifecycle.termination_grace_period.prometheus_elasticsearch_exporter.timeout | default "30" }}
initContainers:
{{ tuple $envAll "prometheus_elasticsearch_exporter" list | include "helm-toolkit.snippets.kubernetes_entrypoint_init_container" | indent 8 }}
containers:
- name: elasticsearch-exporter
{{ tuple $envAll "prometheus_elasticsearch_exporter" | include "helm-toolkit.snippets.image" | indent 10 }}
{{ tuple $envAll $envAll.Values.pod.resources.exporter | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
securityContext:
allowPrivilegeEscalation: false
command:
- /tmp/elasticsearch-exporter.sh
- start
lifecycle:
preStop:
exec:
command:
- /tmp/elasticsearch-exporter.sh
- stop
env:
- name: ELASTICSEARCH_URI
valueFrom:
secretKeyRef:
name: {{ $esUserSecret }}
key: ELASTICSEARCH_URI
ports:
- name: metrics
containerPort: {{ tuple "prometheus_elasticsearch_exporter" "internal" "metrics" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
readinessProbe:
tcpSocket:
port: {{ tuple "prometheus_elasticsearch_exporter" "internal" "metrics" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
initialDelaySeconds: 20
periodSeconds: 10
volumeMounts:
- name: elasticsearch-exporter-bin
mountPath: /tmp/elasticsearch-exporter.sh
subPath: elasticsearch-exporter.sh
readOnly: true
volumes:
- name: elasticsearch-exporter-bin
configMap:
name: elasticsearch-exporter-bin
defaultMode: 0555
{{- end }}