Mayne0213
e0143b153f
- to PostgreSQL - Allows postgresql pods to run on master with NoExecute taint - Required because PV is on master node
83 lines
2.1 KiB
YAML
83 lines
2.1 KiB
YAML
apiVersion: postgresql.cnpg.io/v1
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kind: Cluster
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metadata:
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name: postgresql
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namespace: postgresql
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spec:
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# PostgreSQL version
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imageName: ghcr.io/cloudnative-pg/postgresql:16.6
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# Number of instances
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instances: 3 # 1 primary + 2 replicas for HA
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# Storage configuration - using local-path
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storage:
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storageClass: local-path
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size: 10Gi
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# Resource requests and limits
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resources:
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requests:
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memory: "512Mi"
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cpu: "150m"
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limits:
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memory: "2Gi"
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# cpu: no limit to prevent throttling
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# PostgreSQL configuration
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postgresql:
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parameters:
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max_connections: "200"
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shared_buffers: "512MB"
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effective_cache_size: "1536MB"
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maintenance_work_mem: "128MB"
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checkpoint_completion_target: "0.9"
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wal_buffers: "16MB"
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default_statistics_target: "100"
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random_page_cost: "1.1"
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effective_io_concurrency: "200"
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work_mem: "2621kB"
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min_wal_size: "1GB"
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max_wal_size: "4GB"
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# Bootstrap configuration
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bootstrap:
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initdb:
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database: app
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owner: app
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secret:
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name: postgresql-app-user
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# Monitoring
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monitoring:
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enablePodMonitor: true
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customQueriesConfigMap:
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- name: cnpg-default-monitoring
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key: queries
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# Add pod labels to metrics for Grafana dashboard compatibility
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podMonitorRelabelings:
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# Add cluster label from pod label
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- sourceLabels: [__meta_kubernetes_pod_label_cnpg_io_cluster]
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targetLabel: cluster
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# Add instance role label
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- sourceLabels: [__meta_kubernetes_pod_label_cnpg_io_instanceRole]
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targetLabel: role
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# Backup disabled - using Velero for backups instead
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# Affinity to spread replicas across nodes
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affinity:
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podAntiAffinityType: required
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tolerations:
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- key: "node-role.kubernetes.io/master"
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operator: "Exists"
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effect: "NoExecute"
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# Enable superuser access
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enableSuperuserAccess: true
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superuserSecret:
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name: postgresql-superuser
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# Note: databases created manually (CNPG managed databases not supported in this version)
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# - authelia
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