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italiadatacenter/add-on/Postgres_Restore.txt
alessandro barucci 1a2cca2cd2 varie
2026-08-09 17:03:02 +02:00

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kubectl get cluster.postgresql.cnpg.io -n <namespace>
kubectl get backup -n <namespace>
apiVersion: postgresql.cnpg.io/v1
kind: Cluster
metadata:
name: <pgclustername>-restored
spec:
instances: <instancenumber>
storage:
size: <dbstorage>
storageClass: csi-rbdfs-sc
walStorage:
storageClass: csi-rbdfs-sc
size: <dbstorage>
bootstrap:
recovery:
source: <pgclustername>-origin
backup:
name: sporteams-backup-20260718020000 # nome dell'oggetto Backup da kubectl get backup -n <namespace>
recoveryTarget: # opzionale in assenza applica tutto il journal (wal) a partire dal backup
targetTime: "2026-07-18 15:30:00.000000+00" # timestamp in cui si ferma rebuild dal WAL
externalClusters:
- name: <pgclustername>-origin
barmanObjectStore:
endpointURL: http://minio.minio.svc.cluster.local:9000
destinationPath: s3://cnpgbackup2/<pgclustername>
s3Credentials:
accessKeyId:
name: minio-backup-creds
key: ACCESS_KEY_ID
secretAccessKey:
name: minio-backup-creds
key: ACCESS_SECRET_KEY
wal:
compression: gzip
maxParallel: 2
data:
compression: gzip
immediateCheckpoint: false
jobs: 2
# Dopo il restore, il cluster ripristinato può avere un backup indipendente:
backup:
barmanObjectStore:
endpointURL: http://minio.minio.svc.cluster.local:9000
destinationPath: s3://cnpgbackup2/<pgclustername>-restored
s3Credentials:
accessKeyId:
name: minio-backup-creds
key: ACCESS_KEY_ID
secretAccessKey:
name: minio-backup-creds
key: ACCESS_SECRET_KEY
wal:
compression: gzip
maxParallel: 2
data:
compression: gzip
immediateCheckpoint: false
jobs: 2
retentionPolicy: "30d"
postgresql:
parameters:
max_connections: "300"
shared_buffers: "1GB"
resources:
requests:
cpu: "500m"
memory: "1Gi"
limits:
cpu: "2"
memory: "2Gi"
### Utility varie ##########
kubectl get cluster.postgresql.cnpg.io -n stsharedservices-dev
kubectl -n minio exec -it minio-0 -- sh
mc alias set local http://localhost:9000 minioadmin KAYQE1QA7uwUZ8uI
mc ls local cnpgbackup2