rancher-partner-charts/charts/cockroachdb/templates/job.init.yaml

{{- if not (index .Values.conf `single-node`) }}
kind: Job
apiVersion: batch/v1
metadata:
  name: {{ template "cockroachdb.fullname" . }}-init
  namespace: {{ .Release.Namespace | quote }}
  labels:
    helm.sh/chart: {{ template "cockroachdb.chart" . }}
    app.kubernetes.io/name: {{ template "cockroachdb.name" . }}
    app.kubernetes.io/instance: {{ .Release.Name | quote }}
    app.kubernetes.io/managed-by: {{ .Release.Service | quote }}
  {{- with .Values.init.labels }}
    {{- toYaml . | nindent 4 }}
  {{- end }}
  {{- with .Values.labels }}
    {{- toYaml . | nindent 4 }}
  {{- end }}
spec:
  template:
    metadata:
      labels:
        app.kubernetes.io/name: {{ template "cockroachdb.name" . }}
        app.kubernetes.io/instance: {{ .Release.Name | quote }}
      {{- with .Values.init.labels }}
        {{- toYaml . | nindent 8 }}
      {{- end }}
    {{- with .Values.init.annotations }}
      annotations: {{- toYaml . | nindent 8 }}
    {{- end }}
    spec:
      restartPolicy: OnFailure
      terminationGracePeriodSeconds: 0
    {{- if or .Values.image.credentials (and .Values.tls.enabled .Values.tls.init.image.credentials (not .Values.tls.certs.provided)) }}
      imagePullSecrets:
      {{- if .Values.image.credentials }}
        - name: {{ template "cockroachdb.fullname" . }}.db.registry
      {{- end }}
      {{- if and .Values.tls.enabled .Values.tls.init.image.credentials (not .Values.tls.certs.provided) }}
        - name: {{ template "cockroachdb.fullname" . }}.init-certs.registry
      {{- end }}
    {{- end }}
    {{- if and .Values.tls.enabled (not .Values.tls.certs.provided)}}
      serviceAccountName: {{ template "cockroachdb.tls.serviceAccount.name" . }}
      initContainers:
        # The init-certs container sends a CSR (certificate signing request) to
        # the Kubernetes cluster.
        # You can see pending requests using:
        #   kubectl get csr
        # CSRs can be approved using:
        #   kubectl certificate approve <csr-name>
        #
        # In addition to the Node certificate and key, the init-certs entrypoint
        # will symlink the cluster CA to the certs directory.
        - name: init-certs
          image: "{{ .Values.tls.init.image.repository }}:{{ .Values.tls.init.image.tag }}"
          imagePullPolicy: {{ .Values.tls.init.image.pullPolicy | quote }}
          command:
            - /bin/ash
            - -ecx
            - >-
              /request-cert
              -namespace=${POD_NAMESPACE}
              -certs-dir=/cockroach-certs/
              -symlink-ca-from=/var/run/secrets/kubernetes.io/serviceaccount/ca.crt
              -type=client
              -user=root              
          env:
            - name: POD_NAMESPACE
              valueFrom:
                fieldRef:
                  fieldPath: metadata.namespace
          volumeMounts:
            - name: client-certs
              mountPath: /cockroach-certs/
    {{- end }}
    {{- with .Values.init.affinity }}
      affinity: {{- toYaml . | nindent 8 }}
    {{- end }}
    {{- with .Values.init.nodeSelector }}
      nodeSelector: {{- toYaml . | nindent 8 }}
    {{- end }}
    {{- with .Values.init.tolerations }}
      tolerations: {{- toYaml . | nindent 8 }}
    {{- end }}
      containers:
        - name: cluster-init
          image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
          imagePullPolicy: {{ .Values.image.pullPolicy | quote }}
          # Run the command in an `while true` loop because this Job is bound
          # to come up before the CockroachDB Pods (due to the time needed to
          # get PersistentVolumes attached to Nodes), and sleeping 5 seconds
          # between attempts is much better than letting the Pod fail when
          # the init command does and waiting out Kubernetes' non-configurable
          # exponential back-off for Pod restarts.
          # Command completes either when cluster initialization succeeds,
          # or when cluster has been initialized already.
          command:
            - /bin/bash
            - -c
            - >-
              while true; do
              initOUT=$(set -x;
              /cockroach/cockroach init
              {{- if .Values.tls.enabled }}
              --certs-dir=/cockroach-certs/
              {{- else }}
              --insecure
              {{- end }}
              {{- with index .Values.conf "cluster-name" }}
              --cluster-name={{.}}
              {{- end }}
              --host={{ template "cockroachdb.fullname" . }}-0.{{ template "cockroachdb.fullname" . -}}
                     :{{ .Values.service.ports.grpc.internal.port | int64 }}
              2>&1);
              initRC="$?";
              echo $initOUT;
              [[ "$initRC" == "0" ]] && exit 0;
              [[ "$initOUT" == *"cluster has already been initialized"* ]] && exit 0;
              sleep 5;
              done              
        {{- if .Values.tls.enabled }}
          volumeMounts:
            - name: client-certs
              mountPath: /cockroach-certs/
        {{- end }}
        {{- with .Values.init.resources }}
          resources: {{- toYaml . | nindent 12 }}
        {{- end }}
    {{- if .Values.tls.enabled }}
      volumes:
        - name: client-certs
          {{- if .Values.tls.certs.provided }}
          {{- if .Values.tls.certs.tlsSecret }}
          projected:
            sources:
            - secret:
                name: {{ .Values.tls.certs.clientRootSecret }}
                items:
                - key: ca.crt
                  path: ca.crt
                  mode: 0400
                - key: tls.crt
                  path: client.root.crt
                  mode: 0400
                - key: tls.key
                  path: client.root.key
                  mode: 0400
          {{- else }}
          secret:
            secretName: {{ .Values.tls.certs.clientRootSecret }}
            defaultMode: 0400
          {{- end }}
          {{- else }}
          emptyDir: {}
          {{- end }}
    {{- end }}
{{- end }}