openstack-helm/mariadb-backup/templates/cron-job-backup-mariadb.yaml

{{/*
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_job_mariadb_backup }}
{{- $envAll := . }}

{{- $serviceAccountName := "mariadb-backup" }}
{{ tuple $envAll "mariadb_backup" $serviceAccountName | include "helm-toolkit.snippets.kubernetes_pod_rbac_serviceaccount" }}
---
apiVersion: batch/v1
kind: CronJob
metadata:
  name: mariadb-backup
  annotations:
    {{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" }}
  labels:
{{ tuple $envAll "mariadb-backup" "backup" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 4 }}
spec:
  schedule: {{ .Values.jobs.mariadb_backup.cron | quote }}
  successfulJobsHistoryLimit: {{ .Values.jobs.mariadb_backup.history.success }}
  failedJobsHistoryLimit: {{ .Values.jobs.mariadb_backup.history.failed }}
  concurrencyPolicy: Forbid
  jobTemplate:
    metadata:
      labels:
{{ tuple $envAll "mariadb-backup" "backup" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 8 }}
      annotations:
{{ dict "envAll" $envAll "podName" "mariadb-backup" "containerNames" (list "init" "backup-perms" "mariadb-backup") | include "helm-toolkit.snippets.kubernetes_mandatory_access_control_annotation" | indent 8 }}
    spec:
{{- if .Values.jobs.mariadb_backup.backoffLimit }}
      backoffLimit: {{ .Values.jobs.mariadb_backup.backoffLimit }}
{{- end }}
{{- if .Values.jobs.mariadb_backup.activeDeadlineSeconds }}
      activeDeadlineSeconds: {{ .Values.jobs.mariadb_backup.activeDeadlineSeconds }}
{{- end }}
      template:
        metadata:
          labels:
{{ tuple $envAll "mariadb-backup" "backup" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 12 }}
        spec:
{{ dict "envAll" $envAll "application" "mariadb_backup" | include "helm-toolkit.snippets.kubernetes_pod_security_context" | indent 10 }}
          restartPolicy: OnFailure
          serviceAccountName: {{ $serviceAccountName }}
          shareProcessNamespace: true
{{ if $envAll.Values.pod.tolerations.mariadb.enabled }}
{{ tuple $envAll "mariadb" | include "helm-toolkit.snippets.kubernetes_tolerations" | indent 10 }}
{{ end }}
          nodeSelector:
            {{ .Values.labels.job.node_selector_key }}: {{ .Values.labels.job.node_selector_value }}
          initContainers:
{{ tuple $envAll "mariadb_backup" list | include "helm-toolkit.snippets.kubernetes_entrypoint_init_container" | indent 12 }}
            - name: backup-perms
{{ tuple $envAll "mariadb_backup" | include "helm-toolkit.snippets.image" | indent 14 }}
{{ tuple $envAll $envAll.Values.pod.resources.jobs.mariadb_backup | include "helm-toolkit.snippets.kubernetes_resources" | indent 14 }}
{{ dict "envAll" $envAll "application" "mariadb_backup" "container" "backup_perms" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 14 }}
              command:
                - chown
                - -R
                - "65534:65534"
                - $(MARIADB_BACKUP_BASE_DIR)
              env:
                - name: MARIADB_BACKUP_BASE_DIR
                  value: {{ .Values.conf.backup.base_path | quote }}
              volumeMounts:
                - mountPath: /tmp
                  name: pod-tmp
                - mountPath: {{ .Values.conf.backup.base_path }}
                  name: mariadb-backup-dir
            - name: verify-perms
{{ tuple $envAll "mariadb_backup" | include "helm-toolkit.snippets.image" | indent 14 }}
{{ tuple $envAll $envAll.Values.pod.resources.jobs.mariadb_backup | include "helm-toolkit.snippets.kubernetes_resources" | indent 14 }}
{{ dict "envAll" $envAll "application" "mariadb_backup" "container" "verify_perms" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 14 }}
              command:
                - chown
                - -R
                - "65534:65534"
                - /var/lib/mysql
              volumeMounts:
                - mountPath: /tmp
                  name: pod-tmp
                - mountPath: /var/lib/mysql
                  name: mysql-data
          containers:
            - name: mariadb-backup
              command:
                - /bin/sh
              args:
                - -c
                - >-
                    /tmp/backup_mariadb.sh;
                    /usr/bin/pkill mysqld
              env:
                - name: MARIADB_BACKUP_BASE_DIR
                  value: {{ .Values.conf.backup.base_path | quote }}
                - name: MYSQL_BACKUP_MYSQLDUMP_OPTIONS
                  value: {{ .Values.conf.backup.mysqldump_options | quote }}
                - name: MARIADB_LOCAL_BACKUP_DAYS_TO_KEEP
                  value: {{ .Values.conf.backup.days_to_keep | quote }}
                - name: MARIADB_POD_NAMESPACE
                  valueFrom:
                    fieldRef:
                      fieldPath: metadata.namespace
                - name: REMOTE_BACKUP_ENABLED
                  value: "{{ .Values.conf.backup.remote_backup.enabled }}"
{{- if .Values.conf.backup.remote_backup.enabled }}
                - name: MARIADB_REMOTE_BACKUP_DAYS_TO_KEEP
                  value: {{ .Values.conf.backup.remote_backup.days_to_keep | quote }}
                - name: CONTAINER_NAME
                  value: {{ .Values.conf.backup.remote_backup.container_name | quote }}
                - name: STORAGE_POLICY
                  value: "{{ .Values.conf.backup.remote_backup.storage_policy }}"
                - name: NUMBER_OF_RETRIES_SEND_BACKUP_TO_REMOTE
                  value: {{ .Values.conf.backup.remote_backup.number_of_retries | quote }}
                - name: MIN_DELAY_SEND_BACKUP_TO_REMOTE
                  value: {{ .Values.conf.backup.remote_backup.delay_range.min | quote }}
                - name: MAX_DELAY_SEND_BACKUP_TO_REMOTE
                  value: {{ .Values.conf.backup.remote_backup.delay_range.max | quote }}
{{- with $env := dict "ksUserSecret" $envAll.Values.secrets.identity.mariadb }}
{{- include "helm-toolkit.snippets.keystone_openrc_env_vars" $env | indent 16 }}
{{- end }}
{{- end }}
{{ tuple $envAll "mariadb_backup" | include "helm-toolkit.snippets.image" | indent 14 }}
{{ tuple $envAll $envAll.Values.pod.resources.jobs.mariadb_backup | include "helm-toolkit.snippets.kubernetes_resources" | indent 14 }}
{{ dict "envAll" $envAll "application" "mariadb_backup" "container" "mariadb_backup" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 14 }}
              volumeMounts:
                - name: pod-tmp
                  mountPath: /tmp
                - mountPath: /tmp/backup_mariadb.sh
                  name: mariadb-backup-bin
                  readOnly: true
                  subPath: backup_mariadb.sh
                - mountPath: /tmp/backup_main.sh
                  name: mariadb-backup-bin
                  readOnly: true
                  subPath: backup_main.sh
                - mountPath: {{ .Values.conf.backup.base_path }}
                  name: mariadb-backup-dir
                - name: mariadb-backup-secrets
                  mountPath: /etc/mysql/admin_user.cnf
                  subPath: admin_user.cnf
                  readOnly: true
{{ dict "enabled" $envAll.Values.manifests.certificates "name" $envAll.Values.secrets.tls.oslo_db.server.internal "path" "/etc/mysql/certs" | include "helm-toolkit.snippets.tls_volume_mount" | indent 16 }}
            - name: mariadb-verify-server
{{ tuple $envAll "mariadb" | include "helm-toolkit.snippets.image" | indent 14 }}
{{ dict "envAll" $envAll "application" "mariadb_backup" "container" "mariadb_verify_server" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 14 }}
{{ tuple $envAll $envAll.Values.pod.resources.server | include "helm-toolkit.snippets.kubernetes_resources" | indent 14 }}
              env:
                {{- if $envAll.Values.manifests.certificates }}
                - name: MARIADB_X509
                  value: "REQUIRE X509"
                {{- end }}
                - name: MYSQL_HISTFILE
                  value: /dev/null
                - name: MARIADB_BACKUP_BASE_DIR
                  value: {{ .Values.conf.backup.base_path | quote }}
              ports:
                - name: mysql
                  protocol: TCP
                  containerPort: {{ tuple "oslo_db" "direct" "mysql" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
              command:
                - /tmp/start_verification_server.sh
              volumeMounts:
                - name: pod-tmp
                  mountPath: /tmp
                - name: var-run
                  mountPath: /var/run/mysqld
                - name: mycnfd
                  mountPath: /etc/mysql/conf.d
                - name: mariadb-backup-etc
                  mountPath: /etc/mysql/my.cnf
                  subPath: my.cnf
                  readOnly: true
                - name: mariadb-backup-secrets
                  mountPath: /etc/mysql/admin_user.cnf
                  subPath: admin_user.cnf
                  readOnly: true
                - name: mysql-data
                  mountPath: /var/lib/mysql
                - name: mariadb-backup-bin
                  mountPath: /tmp/start_verification_server.sh
                  readOnly: true
                  subPath: start_verification_server.sh
          volumes:
            - name: pod-tmp
              emptyDir: {}
            - name: mycnfd
              emptyDir: {}
            - name: var-run
              emptyDir: {}
            - name: mariadb-backup-etc
              configMap:
                name: mariadb-backup-etc
                defaultMode: 0444
            - name: mysql-data
              emptyDir: {}
            - name: mariadb-backup-secrets
              secret:
                secretName: mariadb-backup-secrets
                defaultMode: 420
            - configMap:
                defaultMode: 365
                name: mariadb-backup-bin
              name: mariadb-backup-bin
            {{- if and .Values.volume.backup.enabled  .Values.manifests.pvc_backup }}
            - name: mariadb-backup-dir
              persistentVolumeClaim:
                claimName: mariadb-backup-data
            {{- else }}
            - hostPath:
                path: {{ .Values.conf.backup.base_path }}
                type: DirectoryOrCreate
              name: mariadb-backup-dir
            {{- end }}
{{ dict "enabled" $envAll.Values.manifests.certificates "name" $envAll.Values.secrets.tls.oslo_db.server.internal | include "helm-toolkit.snippets.tls_volume" | indent 12 }}
{{- end }}