deploy/ck-cold/templates/scripts-configmap.yaml

apiVersion: v1
kind: ConfigMap
metadata:
  name: {{ printf "%s-scripts" (include "common.names.fullname" .) }}
  namespace: {{ include "common.names.namespace" . | quote }}
  labels: {{- include "common.labels.standard" . | nindent 4 }}
    app.kubernetes.io/component: clickhouse
    {{- if .Values.commonLabels }}
    {{- include "common.tplvalues.render" ( dict "value" .Values.commonLabels "context" $ ) | nindent 4 }}
    {{- end }}
  {{- if .Values.commonAnnotations }}
  annotations: {{- include "common.tplvalues.render" ( dict "value" .Values.commonAnnotations "context" $ ) | nindent 4 }}
  {{- end }}
data:
  setup.sh: |-
    #!/bin/bash

    # Execute entrypoint as usual after obtaining KEEPER_SERVER_ID
    # check KEEPER_SERVER_ID in persistent volume via myid
    # if not present, set based on POD hostname
    if [[ -f "/bitnami/clickhouse/keeper/data/myid" ]]; then
        export KEEPER_SERVER_ID="$(cat /bitnami/clickhouse/keeper/data/myid)"
    else
        HOSTNAME="$(hostname -s)"
        if [[ $HOSTNAME =~ (.*)-([0-9]+)$ ]]; then
            export KEEPER_SERVER_ID=${BASH_REMATCH[2]}
        else
            echo "Failed to get index from hostname $HOST"
            exit 1
        fi
    fi
    exec /opt/bitnami/scripts/clickhouse/entrypoint.sh /opt/bitnami/scripts/clickhouse/run.sh -- --listen_host=0.0.0.0