kubernetes/common/etcd-init/templates/job.yaml

{{/*
# Copyright (C) 2021 Wipro Limited.
#
# 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: batch/v1
kind: Job
metadata:
  name: {{ include "common.fullname" . }}-job
  namespace: {{ include "common.namespace" . }}
  labels:
    app: {{ include "common.name" . }}
    chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
    release: {{ include "common.release" . }}
    heritage: {{ .Release.Service }}
spec:
  backoffLimit: {{ .Values.backoffLimit }}
  template:
    metadata:
      annotations:
        # Workarround to exclude K8S API from istio communication
        # as init-container (readinessCheck) does not work with the
        # Istio CNI plugin, see:
        # (https://istio.io/latest/docs/setup/additional-setup/cni/#compatibility-with-application-init-containers)
        traffic.sidecar.istio.io/excludeOutboundPorts: "443"
      labels:
        app: {{ include "common.name" . }}
        release: {{ include "common.release" . }}
      name: {{ include "common.name" . }}
    spec:
      initContainers:
      - name: {{ include "common.name" . }}-readiness
        command:
        - /app/ready.py
        args:
        - --service-name
        - {{ .Values.etcd.serviceName }}
        env:
        - name: NAMESPACE
          valueFrom:
            fieldRef:
              apiVersion: v1
              fieldPath: metadata.namespace
        image: {{ include "repositoryGenerator.image.readiness" . }}
        imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
        resources:
          limits:
            cpu: "100m"
            memory: "500Mi"
          requests:
            cpu: "3m"
            memory: "20Mi"
      containers:
      - name: {{ include "common.name" . }}
        image: {{ include "repositoryGenerator.dockerHubRepository" . }}/{{ .Values.image }}
        imagePullPolicy: {{ .Values.global.pullPolicy | default .Values.pullPolicy }}
        command:
          - /bin/sh
          - -ec
          - |
            {{- if include "common.onServiceMesh" . }}
            echo "waiting 15s for istio side cars to be up"; sleep 15s;{{- end }}
            # Create users
            export ETCDCTL_ENDPOINTS=http://${ETCD_HOST}:${ETCD_PORT}
            export ETCDCTL_API=3
            echo "${ROOT_PASSWORD}" | etcdctl user add root --interactive=false
            echo "${APP_PASSWORD}" | etcdctl user add ${APP_USER} --interactive=false

            # Create roles
            etcdctl role add ${APP_ROLE}
            etcdctl role grant-permission ${APP_ROLE} --prefix=true readwrite ${KEY_PREFIX}

            etcdctl user grant-role ${APP_USER} ${APP_ROLE}
            etcdctl auth enable
        env:
        - name: ALLOW_NONE_AUTHENTICATION
          value: "yes"
        - name: ETCD_HOST
          value: "{{ .Values.etcd.serviceName }}.{{ include "common.namespace" . }}"
        - name: ETCD_PORT
          value: "{{ .Values.etcd.port }}"
        - name: ROOT_PASSWORD
          {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" "root-password" "key" "password" ) | indent 10 }}
        - name: APP_USER
          {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" "app-creds" "key" "login") | indent 10 }}
        - name: APP_PASSWORD
          {{- include "common.secret.envFromSecretFast" (dict "global" . "uid" "app-creds" "key" "password") | indent 10 }}
        - name: APP_ROLE
          value: "{{ .Values.config.appRole }}"
        - name: KEY_PREFIX
          value: "{{ .Values.config.keyPrefix }}"
        volumeMounts:
        - mountPath: /etc/localtime
          name: localtime
          readOnly: true
        resources: {{ include "common.resources" . | nindent 10 }}
      {{ include "common.waitForJobContainer" . | indent 6 | trim }}
      {{- if .Values.nodeSelector }}
      nodeSelector: {{ toYaml .Values.nodeSelector | nindent 10 }}
      {{- end -}}
      {{- if .Values.affinity }}
      affinity: {{ toYaml .Values.affinity | nindent 10 }}
      {{- end }}
      serviceAccountName: {{ include "common.fullname" (dict "suffix" "read" "dot" . )}}
      volumes:
      - name: localtime
        hostPath:
          path: /etc/localtime
      restartPolicy: Never
      {{- include "common.imagePullSecrets" . | nindent 6 }}