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# Copyright © 2018 Amdocs, AT&T, Bell Canada
#
# 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/v1beta1
kind: StatefulSet
metadata:
name: {{ include "common.fullname" . }}
namespace: {{ include "common.namespace" . }}
labels:
app: {{ include "common.name" . }}
chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
release: {{ .Release.Name }}
heritage: {{ .Release.Service }}
spec:
selector:
matchLabels:
app: {{ include "common.name" . }}
release: {{ .Release.Name }}
serviceName: {{ include "common.servicename" . }}
replicas: {{ .Values.replicaCount }}
podManagementPolicy: {{ .Values.podManagementPolicy }}
updateStrategy:
type: {{ .Values.updateStrategy.type }}
template:
metadata:
labels:
app: {{ include "common.name" . }}
release: {{ .Release.Name }}
name: {{ include "common.name" . }}
spec:
hostNetwork: {{ .Values.hostNetwork }}
containers:
- name: {{ include "common.name" . }}
image: {{ .Values.image }}
imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
ports:
{{- range $index, $ports := .Values.service.ports }}
- containerPort: {{ $ports.port }}
{{- end }}
volumeMounts:
- name: cassandra-data
mountPath: /var/lib/cassandra
- name: localtime
mountPath: /etc/localtime
readOnly: true
{{- range $key, $value := .Values.configOverrides }}
- name: cassandra-config-{{ $key | replace "." "-" }}
mountPath: /etc/cassandra/{{ $key }}
subPath: {{ $key }}
{{- end }}
{{- if eq .Values.liveness.enabled true }}
livenessProbe:
exec:
command:
- /bin/bash
- -c
- nodetool status | grep $POD_IP | awk '$1!="UN" { exit 1; }'
initialDelaySeconds: {{ .Values.liveness.initialDelaySeconds }}
periodSeconds: {{ .Values.liveness.periodSeconds }}
timeoutSeconds: {{ .Values.liveness.timeoutSeconds }}
successThreshold: {{ .Values.liveness.successThreshold }}
failureThreshold: {{ .Values.liveness.failureThreshold }}
{{ end -}}
readinessProbe:
exec:
command:
- /bin/bash
- -c
- nodetool status | grep $POD_IP | awk '$1!="UN" { exit 1; }'
initialDelaySeconds: {{ .Values.readiness.initialDelaySeconds }}
periodSeconds: {{ .Values.readiness.periodSeconds }}
timeoutSeconds: {{ .Values.readiness.timeoutSeconds }}
successThreshold: {{ .Values.readiness.successThreshold }}
failureThreshold: {{ .Values.readiness.failureThreshold }}
env:
{{- $seed_size := default 1 .Values.replicaCount | int -}}
{{- $global := . }}
- name: CASSANDRA_SEEDS
{{- if .Values.hostNetwork }}
value: {{ required "You must fill \".Values.config.seeds\" with list of Cassandra seeds when hostNetwork is set to true" .Values.config.seeds | quote }}
{{- else }}
value: "{{- range $i, $e := until $seed_size }}{{ template "common.fullname" $global }}-{{ $i }}.{{ template "common.servicename" $global }}.{{ $global.Release.Namespace }}.svc.{{ $global.Values.config.cluster_domain }}{{- if (lt ( add1 $i ) $seed_size ) }},{{- end }}{{- end }}"
{{- end }}
- name: MAX_HEAP_SIZE
value: {{ .Values.config.heap.max }}
- name: HEAP_NEWSIZE
value: {{ .Values.config.heap.min }}
- name: JVM_OPTS
value: {{ .Values.config.jvmOpts | quote }}
- name: CASSANDRA_CLUSTER_NAME
value: {{ .Values.config.clusterName | quote }}
- name: CASSANDRA_DC
value: {{ .Values.config.dataCenter | quote }}
- name: CASSANDRA_RACK
value: {{ .Values.config.rackName | quote }}
- name: CASSANDRA_AUTO_BOOTSTRAP
value: {{ .Values.config.autoBootstrap | quote }}
- name: CASSANDRA_START_RPC
value: {{ default "true" .Values.config.start_rpc | quote }}
- name: CASSANDRA_ENDPOINT_SNITCH
value: {{ default "SimpleSnitch" .Values.config.endpoint_snitch | quote }}
- name: POD_IP
valueFrom:
fieldRef:
fieldPath: status.podIP
lifecycle:
preStop:
exec:
{{- if not .Values.persistence.enabled }}
command: ["/bin/sh", "-c", "exec nodetool decommission"]
{{- else }}
command: ["/bin/sh", "-c", "PID=$(pidof java) && kill $PID && while ps -p $PID > /dev/null; do sleep 1; done"]
{{- end }}
resources:
{{ toYaml .Values.resources | indent 10 }}
{{- if .Values.nodeSelector }}
nodeSelector:
{{ toYaml .Values.nodeSelector | indent 8 }}
{{- end -}}
{{- if .Values.affinity }}
affinity:
{{ toYaml .Values.affinity | indent 8 }}
{{- end }}
volumes:
- name: localtime
hostPath:
path: /etc/localtime
{{- range $key, $value := .Values.configOverrides }}
- name: cassandra-config-{{ $key | replace "." "-" }}
configMap:
name: {{ include "common.fullname" . }}-configOverrides
{{- end }}
{{- if not .Values.persistence.enabled }}
- name: cassandra-data
emptyDir: {}
{{- else }}
volumeClaimTemplates:
- metadata:
name: cassandra-data
labels:
app: {{ template "common.fullname" . }}
release: "{{ .Release.Name }}"
heritage: "{{ .Release.Service }}"
annotations:
volume.beta.kubernetes.io/storage-class: {{ .Values.persistence.storageClass }}
spec:
accessModes:
- {{ .Values.persistence.accessMode | quote }}
resources:
requests:
storage: {{ .Values.persistence.size | quote }}
selector:
matchLabels:
release: "{{ .Release.Name }}"
{{- end }}
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