---
# Copyright 2018-present Open Networking Foundation
# Copyright 2018 Intel Corporation
#
# 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: v1
kind: ConfigMap
metadata:
  name: {{ .Values.hssdb.name }}
data:
  cassandra-rackdc.properties: |
    dc=DC1
    rack=RAC1
    prefer_local=true
---
apiVersion: v1
kind: Service
metadata:
  labels:
    app: {{ .Values.hssdb.name }}
  name: {{ .Values.hssdb.name }}
spec:
  clusterIP: None
  ports:
  - name: cql
    port: 9042
  selector:
    app: {{ .Values.hssdb.name }}
---
apiVersion: "apps/v1"
kind: StatefulSet
metadata:
  name: {{ .Values.hssdb.name }}
  labels:
     app: {{ .Values.hssdb.name }}
spec:
  serviceName: {{ .Values.hssdb.name }}
  replicas: 1 # 3
  selector:
    matchLabels:
      app: {{ .Values.hssdb.name }}
  template:
    metadata:
      labels:
        app: {{ .Values.hssdb.name }}
    spec:
      securityContext:
        runAsUser: 999
        fsGroup: 999
      containers:
      - name: cassandra
        image: {{ .Values.hssdb.image }}
        imagePullPolicy: {{ .Values.global.imagepullpolicy }}
        ports:
        - containerPort: 9042
          name: cql
        resources:
          limits:
            cpu: {{ .Values.hssdb.cpu | quote }}
            memory: {{ .Values.hssdb.memory }}
        env:
        - name: MAX_HEAP_SIZE
          value: 512M
        - name: HEAP_NEWSIZE
          value: 100M
        - name: CASSANDRA_SEEDS
          value: "hssdb-0.{{ .Values.hssdb.name }}.{{ .Values.global.namespace }}.{{ .Values.global.fqdn }}"
        - name: CASSANDRA_CLUSTER_NAME
          value: "HSS Cluster"
        - name: CASSANDRA_RPC_ADDRESS
          valueFrom:
            fieldRef:
              fieldPath: status.podIP
        - name: CASSANDRA_ENDPOINT_SNITCH
          value: "GossipingPropertyFileSnitch"
        readinessProbe:
          exec:
            command: ["/bin/bash", "-c", "nodetool status -r | awk -v h=$(hostname) '$2==h {exit ($1==\"UN\" ? 0 : -1)}'"]
          initialDelaySeconds: 15
          timeoutSeconds: 5
        volumeMounts:
        - name: hssdb-config
          mountPath: /etc/cassandra/cassandra-rackdc.properties
          subPath: cassandra-rackdc.properties
        #- name: hssdb-data
        #  mountPath: /var/lib/cassandra
      volumes:
      - name: hssdb-config
        configMap:
          name: {{ .Values.hssdb.name }}
#  volumeClaimTemplates:
#  - metadata:
#      name: hssdb-data
#    spec:
#      accessModes: [ "ReadWriteOnce" ]
#      resources:
#        requests:
#          storage: 1Gi