65 lines
1.6 KiB
YAML
65 lines
1.6 KiB
YAML
apiVersion: postgresql.cnpg.io/v1
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kind: Cluster
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metadata:
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name: ddb-cluster
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namespace: ddb
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labels:
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app: postgresql
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layer: data
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spec:
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# Single instance — cp-1 is the only schedulable node in the 3-CP topology
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# (.163/.166 are dedicated control planes with no workload scheduling/storage).
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# Postgres standby HA is traded away; control-plane/etcd HA is unaffected.
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instances: 1
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# PostgreSQL 16.2
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imageName: ghcr.io/cloudnative-pg/postgresql:16.2
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# Bootstrap: create app database + extensions
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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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encoding: UTF8
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localeCollate: C
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localeCType: C
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postInitApplicationSQL:
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- CREATE EXTENSION IF NOT EXISTS vector;
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- CREATE EXTENSION IF NOT EXISTS pgcrypto;
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- CREATE EXTENSION IF NOT EXISTS pg_trgm;
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# Disable superuser (security)
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enableSuperuserAccess: false
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# PostgreSQL configuration
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postgresql:
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parameters:
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shared_buffers: "256MB"
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max_parallel_workers: "4"
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max_parallel_workers_per_gather: "4"
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# WAL archiving for backups
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archive_mode: "on"
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archive_timeout: "5min"
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log_destination: "csvlog"
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log_directory: "/controller/log"
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log_filename: "postgres"
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log_rotation_age: "0"
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dynamic_shared_memory_type: "posix"
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# Storage on Longhorn
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storage:
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size: 10Gi
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storageClass: longhorn
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# Monitoring
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monitoring:
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enablePodMonitor: false
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disableDefaultQueries: false
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customQueriesConfigMap:
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- name: cnpg-default-monitoring
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key: queries
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# Pod anti-affinity for spreading replicas
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affinity:
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podAntiAffinityType: preferred
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