promenade/charts/etcd/templates/cron-job-etcd-backup.yaml

{{/*
Copyright 2017 AT&T Intellectual Property.  All other rights reserved.

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 .Values.manifests.cron_etcd_backup }}
{{- $envAll := . }}
{{- $serviceAccountName := "etcd-backup" }}
# Strip off "etcd" from service name to get the application name
# Note that application can either be kubernetes or calico for now
# and may expand in scope in the future
{{- $applicationName := .Values.service.name | replace "-etcd" "" }}
---
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
  name: {{ .Values.service.name }}-{{ $serviceAccountName }}
rules:
  - apiGroups:
      - ""
    resources:
      - secrets
    verbs:
      - get
      - list
  - apiGroups:
      - ""
    resources:
      - pods
      - pods/exec
    verbs:
      - create
      - delete
      - get
      - list
---
apiVersion: v1
kind: ServiceAccount
metadata:
  labels:
    component: etcd-backup
  name: {{ .Values.service.name }}-{{ $serviceAccountName }}
  namespace: {{ $envAll.Release.Namespace }}
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
  name: {{ .Values.service.name }}-{{ $serviceAccountName }}
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: Role
  name: {{ .Values.service.name }}-{{ $serviceAccountName }}
subjects:
  - kind: ServiceAccount
    name: {{ .Values.service.name }}-{{ $serviceAccountName }}
    namespace: {{ $envAll.Release.Namespace }}
---
apiVersion: batch/v1
kind: CronJob
metadata:
  name: {{ .Values.service.name }}-backup
spec:
  schedule: {{ .Values.jobs.etcd_backup.cron | quote }}
  successfulJobsHistoryLimit: {{ .Values.jobs.etcd_backup.history.success }}
  failedJobsHistoryLimit: {{ .Values.jobs.etcd_backup.history.failed }}
  concurrencyPolicy: Forbid
  jobTemplate:
    metadata:
      labels:
{{ tuple $envAll $applicationName "etcd-backup" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 8 }}
    spec:
      template:
        metadata:
          annotations:
{{ dict "envAll" $envAll "podName" "etcd-backup" "containerNames" (list "etcd-backup") | include "helm-toolkit.snippets.kubernetes_mandatory_access_control_annotation" | indent 12 }}
        spec:
{{ dict "envAll" $envAll "application" "etcd-backup" | include "helm-toolkit.snippets.kubernetes_pod_security_context" | indent 10 }}
          serviceAccountName: {{ .Values.service.name }}-{{ $serviceAccountName }}
          restartPolicy: OnFailure
{{- if .Values.pod.affinity }}
{{- if .Values.pod.affinity.etcd_backup }}
          affinity:
{{  index .Values.pod.affinity "etcd_backup"  | toYaml | indent 12}}
{{- end }}
{{- end }}
          nodeSelector:
            {{ .Values.labels.anchor.node_selector_key }}: {{ .Values.labels.anchor.node_selector_value }}
          containers:
            - name: etcd-backup
              image: {{ .Values.images.tags.etcdctl_backup }}
              imagePullPolicy: {{ .Values.images.pull_policy }}
{{ tuple $envAll $envAll.Values.pod.resources.jobs.etcd_backup | include "helm-toolkit.snippets.kubernetes_resources" | indent 14 }}
{{ dict "envAll" $envAll "application" "etcd_backup" "container" "etcd_backup" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 14 }}
              env:
                - name: ETCDCTL_API
                  value: "{{ .Values.etcd.etcdctl_api }}"
                - name: ETCDCTL_DIAL_TIMEOUT
                  value: {{ .Values.backup.etcdctl_dial_timeout }}
                - name: ETCDCTL_ENDPOINTS
                  value: https://{{ .Values.anchor.etcdctl_endpoint }}:{{ .Values.network.service_client.port }}
                - name: ETCDCTL_CACERT
                  value: /etc/etcd/tls/certs/client-ca.pem
                - name: ETCDCTL_CERT
                  value: /etc/etcd/tls/certs/anchor-etcd-client.pem
                - name: ETCDCTL_KEY
                  value: /etc/etcd/tls/keys/anchor-etcd-client-key.pem
                - name: CLIENT_ENDPOINT
                  value: https://$(POD_IP):{{ .Values.network.service_client.target_port }}
                - name: PEER_ENDPOINT
                  value: https://$(POD_IP):{{ .Values.network.service_peer.target_port }}
                - name: POD_NAMESPACE
                  value: {{ $envAll.Release.Namespace }}
                - name: REMOTE_BACKUP_ENABLED
                  value: "{{ .Values.backup.remote_backup.enabled }}"
{{- if .Values.backup.remote_backup.enabled }}
                - name: REMOTE_BACKUP_DAYS_TO_KEEP
                  value: "{{ .Values.backup.remote_backup.days_to_keep }}"
                - name: CONTAINER_NAME
                  value: "{{ .Values.backup.remote_backup.container_name }}"
                - name: STORAGE_POLICY
                  value: "{{ .Values.backup.remote_backup.storage_policy }}"
                - name: NUMBER_OF_RETRIES_SEND_BACKUP_TO_REMOTE
                  value: {{ .Values.backup.remote_backup.number_of_retries | quote }}
                - name: MIN_DELAY_SEND_BACKUP_TO_REMOTE
                  value: {{ .Values.backup.remote_backup.delay_range.min | quote }}
                - name: MAX_DELAY_SEND_BACKUP_TO_REMOTE
                  value: {{ .Values.backup.remote_backup.delay_range.max | quote }}
                - name: THROTTLE_BACKUPS_ENABLED
                  value: "{{ .Values.backup.remote_backup.throttle_backups.enabled }}"
                - name: THROTTLE_LIMIT
                  value: {{ .Values.backup.remote_backup.throttle_backups.sessions_limit | quote }}
                - name: THROTTLE_LOCK_EXPIRE_AFTER
                  value: {{ .Values.backup.remote_backup.throttle_backups.lock_expire_after | quote }}
                - name: THROTTLE_RETRY_AFTER
                  value: {{ .Values.backup.remote_backup.throttle_backups.retry_after | quote }}
                - name: THROTTLE_CONTAINER_NAME
                  value: {{ .Values.backup.remote_backup.throttle_backups.container_name | quote }}
{{- with $env := dict "ksUserSecret" $envAll.Values.secrets.identity.kubernetes }}
{{- include "helm-toolkit.snippets.keystone_openrc_env_vars" $env | indent 16 }}
{{- end }}
{{- end }}
              command:
                - /tmp/bin/backup_etcd.sh
              volumeMounts:
                - name: {{ .Values.service.name }}-bin
                  mountPath: /tmp/bin
                - name: {{ .Values.service.name }}-certs
                  mountPath: /etc/etcd/tls/certs
                - name: {{ .Values.service.name }}-keys
                  mountPath: /etc/etcd/tls/keys
                - name: etcd-backup
                  mountPath: {{ .Values.backup.host_backup_path }}
          volumes:
          - name: {{ .Values.service.name }}-bin
            configMap:
              name: {{ .Values.service.name }}-bin
              defaultMode: 0555
          - name: {{ .Values.service.name }}-certs
            configMap:
              name: {{ .Values.service.name }}-certs
              defaultMode: 0444
          - name: etcd-backup
            hostPath:
              path: {{ .Values.backup.host_backup_path }}
          - name: {{ .Values.service.name }}-keys
            secret:
              secretName: {{ .Values.service.name }}-keys
              defaultMode: 0444
{{- end }}