couchdb/templates/clustersetup.yaml

{{ if .Values.clusterSetup }}
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: cluster-setup-script
  labels:
    app: {{ template "couchdb.name" . }}
    chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
    release: {{ .Release.Name }}
    heritage: {{ .Release.Service }}
data:
  setup.sh: |
    set -e
    BASE_URL=http://{{ template "couchdb.fullname" . }}:5984
    set -x

    touch /tmp/curl.cf
    {{ if or .Values.couchdbConfig.chttpd.require_valid_user (not .Values.allowAdminParty) }}
        echo "-u $(cat /tmp/admin-password/adminUsername):$(cat /tmp/admin-password/adminPassword)" >> /tmp/curl.cf
    {{ end }}

    echo "Waiting for CouchDB service to start..."
    until curl --silent --max-time 5 --head --fail "${BASE_URL}/_up" -K /tmp/curl.cf; do
        printf "%s: CouchDB not up yet. Will try again\n" "$(date)"
        sleep 2
    done

    echo "Initializing cluster"
    curl -silent "${BASE_URL}/_cluster_setup" \
      -H "Content-Type: application/json" \
      -d '{"action": "finish_cluster"}' \
      -K /tmp/curl.cf

    echo "Success!"
---
apiVersion: batch/v1
kind: Job
metadata:
  name: cluster-setup-job
  labels:
    app: {{ template "couchdb.name" . }}
    chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
    release: {{ .Release.Name }}
    heritage: {{ .Release.Service }}
  annotations:
    "helm.sh/hook": post-install
    "helm.sh/hook-delete-policy": hook-succeeded
spec:
  template:
    metadata:
      name: cluster-setup-job
      labels:
        app: {{ template "couchdb.name" . }}
        chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
        release: {{ .Release.Name }}
        heritage: {{ .Release.Service }}
    spec:
      restartPolicy: Never
      volumes:
        - name: admin-password-volume
          secret:
            secretName: {{ template "couchdb.fullname" . }}
        - name: cluster-setup-script-volume
          configMap:
            name: cluster-setup-script
      containers:
      - name: cluster-setup-job
        image: "curlimages/curl:7.72.0"
        command: [ "/bin/sh", "/tmp/setup/setup.sh" ]
        volumeMounts:
        - name: admin-password-volume
          readOnly: true
          mountPath: /tmp/admin-password
        - name: cluster-setup-script-volume
          mountPath: /tmp/setup
{{ end }}