Configmap for cassandra

configMapCassandra.yaml

---
apiVersion: v1
kind: ConfigMap
metadata:
  name: cassandra-rings
  namespace: cassandra
data:
  CASSANDRA_0_INITIAL_TOKEN: <token_number>, <token_number>,...
  CASSANDRA_1_INITIAL_TOKEN: <token_number>, <token_number>,...
  CASSANDRA_2_INITIAL_TOKEN: <token_number>, <token_number>,...
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: docker-entrypoint-sh
  namespace: cassandra
data:
  docker-entrypoint.sh: |
      #!/bin/bash
      set -e# first arg is `-f` or `--some-option`
      if [ "${1:0:1}" = '-' ]; then
        set -- cassandra -f "$@"
      fi# allow the container to be started with `--user`
      if [ "$1" = 'cassandra' -a "$(id -u)" = '0' ]; then
        chown -R cassandra /var/lib/cassandra /var/log/cassandra "$CASSANDRA_CONFIG"
        exec gosu cassandra "$BASH_SOURCE" "$@"
      fiif [ "$1" = 'cassandra' ]; then
        : ${CASSANDRA_RPC_ADDRESS='0.0.0.0'}: ${CASSANDRA_LISTEN_ADDRESS='auto'}
        if [ "$CASSANDRA_LISTEN_ADDRESS" = 'auto' ]; then
          CASSANDRA_LISTEN_ADDRESS="$(hostname --ip-address)"
        fi: ${CASSANDRA_BROADCAST_ADDRESS="$CASSANDRA_LISTEN_ADDRESS"}if [ "$CASSANDRA_BROADCAST_ADDRESS" = 'auto' ]; then
          CASSANDRA_BROADCAST_ADDRESS="$(hostname --ip-address)"
        fi
        : ${CASSANDRA_BROADCAST_RPC_ADDRESS:=$CASSANDRA_BROADCAST_ADDRESS}if [ -n "${CASSANDRA_NAME:+1}" ]; then
          : ${CASSANDRA_SEEDS:="cassandra"}
        fi: ${CASSANDRA_SEEDS:="$CASSANDRA_BROADCAST_ADDRESS"}
        sed -ri 's/(- seeds:).*/\1 "'"$CASSANDRA_SEEDS"'"/' "$CASSANDRA_CONFIG/cassandra.yaml"if [ "${HOSTNAME}" == 'cassandra-0' ];then
          : ${CASSANDRA_INITIAL_TOKEN="$CASSANDRA_0_INITIAL_TOKEN"}
        elif [ "${HOSTNAME}" == 'cassandra-1' ];then
          : ${CASSANDRA_INITIAL_TOKEN="$CASSANDRA_1_INITIAL_TOKEN"}
        elif [ "${HOSTNAME}" == 'cassandra-2' ];then
          : ${CASSANDRA_INITIAL_TOKEN="$CASSANDRA_2_INITIAL_TOKEN"}
        fi
        sed -ri "s/\# initial_token\:/initial_token\: $CASSANDRA_INITIAL_TOKEN/" "$CASSANDRA_CONFIG/cassandra.yaml"for yaml in \
         broadcast_address \
         broadcast_rpc_address \
         cluster_name \
         endpoint_snitch \
         listen_address \
         num_tokens \
         initial_token \
         rpc_address \
         start_rpc \
       ; do
         var="CASSANDRA_${yaml^^}"
         val="${!var}"
       if [ "$val" ]; then
          sed -ri 's/^(# )?('"$yaml"':).*/\2 '"$val"'/' "$CASSANDRA_CONFIG/cassandra.yaml"
        fi
       donefor rackdc in dc rack; do
         var="CASSANDRA_${rackdc^^}"
         val="${!var}"
         if [ "$val" ]; then
           sed -ri 's/^('"$rackdc"'=).*/\1 '"$val"'/' "$CASSANDRA_CONFIG/cassandra-rackdc.properties"
         fi
       done
      fiexec "$@"
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: readiness-probe-sh
  namespace: cassandra
data:
   ready-probe.sh: |
      #!/bin/bash
      # Copyright 2016 The Kubernetes 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 [[ $(nodetool status | grep $POD_IP) == *"UN"* ]]; then
        if [[ $DEBUG ]]; then
          echo "UN";
        fi
        exit 0;
      else
        if [[ $DEBUG ]]; then
          echo "Not Up";
        fi
        exit 1;
      fi