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# Copyright © 2017 Amdocs, Bell Canada
# Modifications Copyright © 2018 AT&T
#
# 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.
apiVersion: apps/v1
kind: StatefulSet
metadata:
name: {{ include "common.fullname" . }}
namespace: {{ include "common.namespace" . }}
labels:
app: {{ include "common.name" . }}
chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
release: {{ include "common.release" . }}
heritage: {{ .Release.Service }}
spec:
selector:
matchLabels:
app: {{ include "common.name" . }}
serviceName: {{ .Values.service.name }}
replicas: {{ .Values.replicaCount }}
updateStrategy:
type: RollingUpdate
rollingUpdate:
maxUnavailable: {{ .Values.maxUnavailable }}
podManagementPolicy: Parallel
template:
metadata:
labels:
app: {{ include "common.name" . }}
release: {{ include "common.release" . }}
{{- if .Values.prometheus.jmx.enabled }}
annotations:
prometheus.io/scrape: "true"
prometheus.io/port: {{ .Values.prometheus.jmx.port | quote }}
{{- end }}
spec:
podAntiAffinity:
preferredDuringSchedulingIgnoredDuringExecution:
- weight: 1
podAffinityTerm:
labelSelector:
matchExpressions:
- key: "app"
operator: In
values:
- {{ include "common.name" . }}
- key: "release"
operator: In
values:
- {{ include "common.release" . }}
topologyKey: "kubernetes.io/hostname"
{{- if .Values.nodeAffinity }}
nodeAffinity:
{{ toYaml .Values.nodeAffinity | indent 10 }}
{{- end }}
initContainers:
- name: {{ include "common.name" . }}-permission-fixer
command:
- sh
- -exec
- >
chown -R 1000:0 /tmp/zookeeper/apikeys;
image: "{{ .Values.busyBoxRepository }}/{{ .Values.busyBoxImage }}"
imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
volumeMounts:
- mountPath: /tmp/zookeeper/apikeys
name: zookeeper-data
- command:
- sh
args:
- -c
- "cd /config-input && for PFILE in `ls -1 .`; do envsubst <${PFILE} >/etc/zookeeper/secrets/jaas/${PFILE}; done"
env:
- name: ZK_ADMIN
{{- include "common.secret.envFromSecretFast" (dict "global" . "uid" "zk-admin" "key" "login") | indent 10 }}
- name: ZK_PSWD
{{- include "common.secret.envFromSecretFast" (dict "global" . "uid" "zk-admin" "key" "password") | indent 10 }}
volumeMounts:
- mountPath: /etc/zookeeper/secrets/jaas
name: jaas-config
- mountPath: /config-input
name: jaas
image: "{{ .Values.global.envsubstImage }}"
imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
name: {{ include "common.name" . }}-update-config
containers:
{{- if .Values.prometheus.jmx.enabled }}
- name: prometheus-jmx-exporter
image: "{{ .Values.prometheus.jmx.imageRepository }}/{{ .Values.prometheus.jmx.image }}:{{ .Values.prometheus.jmx.imageTag }}"
imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
command:
- java
- -XX:+UnlockExperimentalVMOptions
- -XX:+UseCGroupMemoryLimitForHeap
- -XX:MaxRAMFraction=1
- -XshowSettings:vm
- -jar
- jmx_prometheus_httpserver.jar
- {{ .Values.prometheus.jmx.port | quote }}
- /etc/jmx-zookeeper/jmx-zookeeper-prometheus.yml
ports:
- containerPort: {{ .Values.prometheus.jmx.port }}
resources:
{{ toYaml .Values.prometheus.jmx.resources | indent 10 }}
volumeMounts:
- name: jmx-config
mountPath: /etc/jmx-zookeeper
{{- end }}
- name: {{ include "common.name" . }}
image: "{{ include "common.repository" . }}/{{ .Values.image }}"
imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
resources:
{{ include "common.resources" . | indent 12 }}
ports:
- containerPort: {{ .Values.service.clientPort }}
name: {{ .Values.service.clientPortName }}
- containerPort: {{ .Values.service.serverPort }}
name: {{ .Values.service.serverPortName }}
- containerPort: {{ .Values.service.leaderElectionPort }}
name: {{ .Values.service.leaderElectionPortName }}
{{- if .Values.prometheus.jmx.enabled }}
- containerPort: {{ .Values.jmx.port }}
name: jmx
{{- end }}
{{ if eq .Values.liveness.enabled true }}
livenessProbe:
exec:
command: ['/bin/bash', '-c', 'echo "ruok" | nc -w 2 -q 2 localhost 2181 | grep imok']
initialDelaySeconds: {{ .Values.liveness.initialDelaySeconds }}
periodSeconds: {{ .Values.liveness.periodSeconds }}
timeoutSeconds: {{ .Values.liveness.timeoutSeconds }}
{{ end }}
readinessProbe:
exec:
command: ['/bin/bash', '-c', 'echo "ruok" | nc -w 2 -q 2 localhost 2181 | grep imok']
initialDelaySeconds: {{ .Values.readiness.initialDelaySeconds }}
periodSeconds: {{ .Values.readiness.periodSeconds }}
timeoutSeconds: {{ .Values.readiness.timeoutSeconds }}
resources:
{{ include "common.resources" . | indent 10 }}
env:
- name : KAFKA_HEAP_OPTS
value: "{{ .Values.zkConfig.heapOptions }}"
{{- if .Values.jmx.port }}
- name : KAFKA_JMX_PORT
value: "{{ .Values.jmx.port }}"
{{- end }}
- name : ZOOKEEPER_REPLICAS
value: "{{ .Values.replicaCount }}"
- name : ZOOKEEPER_TICK_TIME
value: "{{ .Values.zkConfig.tickTime }}"
- name : ZOOKEEPER_SYNC_LIMIT
value: "{{ .Values.zkConfig.syncLimit }}"
- name : ZOOKEEPER_INIT_LIMIT
value: "{{ .Values.zkConfig.initLimit }}"
- name : ZOOKEEPER_MAX_CLIENT_CNXNS
value: "{{ .Values.zkConfig.maxClientCnxns }}"
- name : ZOOKEEPER_AUTOPURGE_SNAP_RETAIN_COUNT
value: "{{ .Values.zkConfig.autoPurgeSnapRetainCount}}"
- name : ZOOKEEPER_AUTOPURGE_PURGE_INTERVAL
value: "{{ .Values.zkConfig.autoPurgePurgeInterval}}"
- name: ZOOKEEPER_CLIENT_PORT
value: "{{ .Values.zkConfig.clientPort }}"
- name: KAFKA_OPTS
value: "{{ .Values.zkConfig.kafkaOpts }}"
- name: ZOOKEEPER_SERVER_ID
valueFrom:
fieldRef:
fieldPath: metadata.name
command:
- "bash"
- "-c"
- |
ZOOKEEPER_SERVER_ID=$((${HOSTNAME##*-}+1)) \
/etc/confluent/docker/run
volumeMounts:
- mountPath: /etc/localtime
name: localtime
readOnly: true
- mountPath: /var/lib/zookeeper/data
name: zookeeper-data
- name: jaas-config
mountPath: /etc/zookeeper/secrets/jaas
{{- if .Values.tolerations }}
tolerations:
{{ toYaml .Values.tolerations | indent 10 }}
{{- end }}
volumes:
- name: localtime
hostPath:
path: /etc/localtime
- name: jaas-config
emptyDir:
medium: Memory
- name: docker-socket
hostPath:
path: /var/run/docker.sock
- name: jaas
configMap:
name: {{ include "common.fullname" . }}-jaas-configmap
{{- if .Values.prometheus.jmx.enabled }}
- name: jmx-config
configMap:
name: {{ include "common.fullname" . }}-prometheus-configmap
{{- end }}
{{ if not .Values.persistence.enabled }}
- name: zookeeper-data
emptyDir: {}
{{ else }}
volumeClaimTemplates:
- metadata:
name: zookeeper-data
labels:
app: {{ include "common.fullname" . }}
chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
release: "{{ include "common.release" . }}"
heritage: "{{ .Release.Service }}"
spec:
accessModes:
- {{ .Values.persistence.accessMode | quote }}
storageClassName: {{ include "common.storageClass" . }}
resources:
requests:
storage: {{ .Values.persistence.size | quote }}
{{ end }}
imagePullSecrets:
- name: "{{ include "common.namespace" . }}-docker-registry-key"
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