forked from k-space/kube
105 lines
2.6 KiB
YAML
105 lines
2.6 KiB
YAML
# MariaDB 10.5 is supported until 2025
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# Note that MariaDB 10.6 breaks with Nextcloud
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# https://help.nextcloud.com/t/update-to-next-cloud-21-0-2-has-get-an-error/117028/7
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---
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apiVersion: apps/v1
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kind: StatefulSet
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metadata:
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name: mariadb
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annotations:
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keel.sh/policy: patch
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keel.sh/trigger: poll
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keel.sh/pollSchedule: "@midnight"
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spec:
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revisionHistoryLimit: 0
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serviceName: mariadb
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selector:
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matchLabels:
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app: mariadb
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replicas: 1
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template:
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metadata:
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labels:
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app: mariadb
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annotations:
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prometheus.io/port: '9104'
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prometheus.io/scrape: 'true'
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spec:
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containers:
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- name: exporter
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image: mirror.gcr.io/prom/mysqld-exporter:latest
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env:
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- name: DATA_SOURCE_NAME
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value: exporter@tcp(127.0.0.1)/
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- name: mariadb
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image: mirror.gcr.io/library/mariadb:10.5
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imagePullPolicy: Always
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env:
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- name: MYSQL_ROOT_PASSWORD
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valueFrom:
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secretKeyRef:
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name: mariadb-secrets
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key: MYSQL_ROOT_PASSWORD
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- name: MYSQL_USER
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valueFrom:
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fieldRef:
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fieldPath: metadata.namespace
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- name: MYSQL_DATABASE
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valueFrom:
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fieldRef:
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fieldPath: metadata.namespace
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- name: MYSQL_PASSWORD
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valueFrom:
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secretKeyRef:
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name: mariadb-secrets
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key: MYSQL_PASSWORD
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volumeMounts:
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- name: mariadb-data
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mountPath: /var/lib/mysql
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- name: mariadb-init
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mountPath: /docker-entrypoint-initdb.d
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volumes:
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- name: mariadb-init
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configMap:
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name: mariadb-init-config
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# Make sure MariaDB instances run on storage{1..3} nodes, as close
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# as possible to Longhorn instances
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tolerations:
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- key: dedicated
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operator: Equal
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value: storage
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effect: NoSchedule
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nodeSelector:
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dedicated: storage
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volumeClaimTemplates:
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- metadata:
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name: mariadb-data
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spec:
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storageClassName: longhorn
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accessModes:
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- ReadWriteOnce
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resources:
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requests:
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storage: 2Gi
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---
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apiVersion: v1
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kind: Service
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metadata:
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name: mariadb
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spec:
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ports:
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- protocol: TCP
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port: 3306
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selector:
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app: mariadb
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---
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: mariadb-init-config
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data:
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initdb.sql: |
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CREATE USER 'exporter'@'127.0.0.1' WITH MAX_USER_CONNECTIONS 3;
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GRANT PROCESS, REPLICATION CLIENT, SLAVE MONITOR, SELECT ON *.* TO 'exporter'@'127.0.0.1';
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