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Backup and Restore PostgreSQL database using KubeStash
KubeStash allows you to backup and restore PostgreSQL databases. It supports backups for PostgreSQL instances running in Standalone, and HA cluster configurations. KubeStash makes managing your PostgreSQL backups and restorations more straightforward and efficient.
This guide will give you an overview how you can take backup and restore your PostgreSQL databases using Kubestash.
Before You Begin
- At first, you need to have a Kubernetes cluster, and the
kubectlcommand-line tool must be configured to communicate with your cluster. If you do not already have a cluster, you can create one by usingMinikubeorKind. - Install
KubeDBin your cluster following the steps here. - Install
KubeStashin your cluster following the steps here. - Install KubeStash
kubectlplugin following the steps here. - If you are not familiar with how KubeStash backup and restore PostgreSQL databases, please check the following guide here.
You should be familiar with the following KubeStash concepts:
To keep everything isolated, we are going to use a separate namespace called demo throughout this tutorial.
$ kubectl create ns demo
namespace/demo created
Note: YAML files used in this tutorial are stored in docs/guides/postgres/backup/kubestash/logical/examples directory of kubedb/docs repository.
Backup PostgreSQL
KubeStash supports backups for PostgreSQL instances across different configurations, including Standalone and HA Cluster setups. In this demonstration, we’ll focus on a PostgreSQL database using HA cluster configuration. The backup and restore process is similar for Standalone configuration.
This section will demonstrate how to backup a PostgreSQL database. Here, we are going to deploy a PostgreSQL database using KubeDB. Then, we are going to backup this database into a GCS bucket. Finally, we are going to restore the backup up data into another PostgreSQL database.
Deploy Sample PostgreSQL Database
Let’s deploy a sample PostgreSQL database and insert some data into it.
Create PostgreSQL CR:
Below is the YAML of a sample PostgreSQL CR that we are going to create for this tutorial:
apiVersion: kubedb.com/v1
kind: Postgres
metadata:
name: sample-postgres
namespace: demo
spec:
version: "16.1"
replicas: 3
standbyMode: Hot
streamingMode: Synchronous
storageType: Durable
storage:
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 1Gi
deletionPolicy: WipeOut
Create the above PostgreSQL CR,
$ kubectl apply -f https://github.com/kubedb/docs/raw/v2024.11.8-rc.0/docs/guides/postgres/backup/kubestash/logical/examples/sample-postgres.yaml
postgres.kubedb.com/sample-postgres created
KubeDB will deploy a PostgreSQL database according to the above specification. It will also create the necessary Secrets and Services to access the database.
Let’s check if the database is ready to use,
$ kubectl get pg -n demo sample-postgres
NAME VERSION STATUS AGE
sample-postgres 16.1 Ready 5m1s
The database is Ready. Verify that KubeDB has created a Secret and a Service for this database using the following commands,
$ kubectl get secret -n demo
NAME TYPE DATA AGE
sample-postgres-auth kubernetes.io/basic-auth 2 5m20s
$ kubectl get service -n demo -l=app.kubernetes.io/instance=sample-postgres
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
sample-postgres ClusterIP 10.96.23.177 <none> 5432/TCP,2379/TCP 5m55s
sample-postgres-pods ClusterIP None <none> 5432/TCP,2380/TCP,2379/TCP 5m55s
sample-postgres-standby ClusterIP 10.96.26.118 <none> 5432/TCP 5m55s
Here, we have to use service sample-postgres and secret sample-postgres-auth to connect with the database. KubeDB creates an AppBinding CR that holds the necessary information to connect with the database.
Verify AppBinding:
Verify that the AppBinding has been created successfully using the following command,
$ kubectl get appbindings -n demo
NAME TYPE VERSION AGE
sample-postgres kubedb.com/postgres 16.1 9m30s
Let’s check the YAML of the above AppBinding,
$ kubectl get appbindings -n demo sample-postgres -o yaml
apiVersion: appcatalog.appscode.com/v1alpha1
kind: AppBinding
metadata:
annotations:
kubectl.kubernetes.io/last-applied-configuration: |
{"apiVersion":"kubedb.com/v1","kind":"Postgres","metadata":{"annotations":{},"name":"sample-postgres","namespace":"demo"},"spec":{"deletionPolicy":"DoNotTerminate","replicas":3,"standbyMode":"Hot","storage":{"accessModes":["ReadWriteOnce"],"resources":{"requests":{"storage":"1Gi"}}},"storageType":"Durable","streamingMode":"Synchronous","version":"16.1"}}
creationTimestamp: "2024-09-04T10:07:04Z"
generation: 1
labels:
app.kubernetes.io/component: database
app.kubernetes.io/instance: sample-postgres
app.kubernetes.io/managed-by: kubedb.com
app.kubernetes.io/name: postgreses.kubedb.com
name: sample-postgres
namespace: demo
ownerReferences:
- apiVersion: kubedb.com/v1
blockOwnerDeletion: true
controller: true
kind: Postgres
name: sample-postgres
uid: 0810a96c-a2b6-4e8a-a70a-51753660450c
resourceVersion: "245972"
uid: 73bdba85-c932-464b-93a8-7f1ba8dfff1b
spec:
appRef:
apiGroup: kubedb.com
kind: Postgres
name: sample-postgres
namespace: demo
clientConfig:
service:
name: sample-postgres
path: /
port: 5432
query: sslmode=disable
scheme: postgresql
parameters:
apiVersion: appcatalog.appscode.com/v1alpha1
kind: StashAddon
stash:
addon:
backupTask:
name: postgres-backup-16.1
restoreTask:
name: postgres-restore-16.1
secret:
name: sample-postgres-auth
type: kubedb.com/postgres
version: "16.1"
KubeStash uses the AppBinding CR to connect with the target database. It requires the following two fields to set in AppBinding’s .spec section.
Here,
.spec.clientConfig.service.namespecifies the name of the Service that connects to the database..spec.secretspecifies the name of the Secret that holds necessary credentials to access the database..spec.typespecifies the types of the app that this AppBinding is pointing to. KubeDB generated AppBinding follows the following format:<app group>/<app resource type>.
Insert Sample Data:
Now, we are going to exec into one of the database pod and create some sample data. At first, find out the database Pod using the following command,
$ kubectl get pods -n demo --selector="app.kubernetes.io/instance=sample-postgres"
NAME READY STATUS RESTARTS AGE
sample-postgres-0 2/2 Running 0 16m
sample-postgres-1 2/2 Running 0 13m
sample-postgres-2 2/2 Running 0 13m
Now, let’s exec into the pod and create a table,
$ kubectl exec -it -n demo sample-postgres-0 -- sh
# login as "postgres" superuser.
/ $ psql -U postgres
psql (16.1)
Type "help" for help.
# list available databases
postgres=# \l
List of databases
Name | Owner | Encoding | Locale Provider | Collate | Ctype | ICU Locale | ICU Rules | Access privileges
---------------+----------+----------+-----------------+------------+------------+------------+-----------+-----------------------
kubedb_system | postgres | UTF8 | libc | en_US.utf8 | en_US.utf8 | | |
postgres | postgres | UTF8 | libc | en_US.utf8 | en_US.utf8 | | |
template0 | postgres | UTF8 | libc | en_US.utf8 | en_US.utf8 | | | =c/postgres +
| | | | | | | | postgres=CTc/postgres
template1 | postgres | UTF8 | libc | en_US.utf8 | en_US.utf8 | | | =c/postgres +
| | | | | | | | postgres=CTc/postgres
(4 rows)
# create a database named "demo"
postgres=# create database demo;
CREATE DATABASE
# verify that the "demo" database has been created
postgres=# \l
List of databases
Name | Owner | Encoding | Locale Provider | Collate | Ctype | ICU Locale | ICU Rules | Access privileges
---------------+----------+----------+-----------------+------------+------------+------------+-----------+-----------------------
demo | postgres | UTF8 | libc | en_US.utf8 | en_US.utf8 | | |
kubedb_system | postgres | UTF8 | libc | en_US.utf8 | en_US.utf8 | | |
postgres | postgres | UTF8 | libc | en_US.utf8 | en_US.utf8 | | |
template0 | postgres | UTF8 | libc | en_US.utf8 | en_US.utf8 | | | =c/postgres +
| | | | | | | | postgres=CTc/postgres
template1 | postgres | UTF8 | libc | en_US.utf8 | en_US.utf8 | | | =c/postgres +
| | | | | | | | postgres=CTc/postgres
(5 rows)
# connect to the "demo" database
postgres=# \c demo
You are now connected to database "demo" as user "postgres".
# create a sample table
demo=# CREATE TABLE COMPANY( NAME TEXT NOT NULL, EMPLOYEE INT NOT NULL);
CREATE TABLE
# verify that the table has been created
demo=# \d
List of relations
Schema | Name | Type | Owner
--------+---------+-------+----------
public | company | table | postgres
(1 row)
# insert multiple rows of data into the table
demo=# INSERT INTO COMPANY (NAME, EMPLOYEE) VALUES ('TechCorp', 100), ('InnovateInc', 150), ('AlphaTech', 200);
INSERT 0 3
# verify the data insertion
demo=# SELECT * FROM COMPANY;
name | employee
-------------+----------
TechCorp | 100
InnovateInc | 150
AlphaTech | 200
(3 rows)
# quit from the database
demo=# \q
# exit from the pod
/ $ exit
Now, we are ready to backup the database.
Prepare Backend
We are going to store our backed up data into a GCS bucket. We have to create a Secret with necessary credentials and a BackupStorage CR to use this backend. If you want to use a different backend, please read the respective backend configuration doc from here.
Create Secret:
Let’s create a secret called gcs-secret with access credentials to our desired GCS bucket,
$ echo -n '<your-project-id>' > GOOGLE_PROJECT_ID
$ cat /path/to/downloaded-sa-key.json > GOOGLE_SERVICE_ACCOUNT_JSON_KEY
$ kubectl create secret generic -n demo gcs-secret \
--from-file=./GOOGLE_PROJECT_ID \
--from-file=./GOOGLE_SERVICE_ACCOUNT_JSON_KEY
secret/gcs-secret created
Create BackupStorage:
Now, create a BackupStorage using this secret. Below is the YAML of BackupStorage CR we are going to create,
apiVersion: storage.kubestash.com/v1alpha1
kind: BackupStorage
metadata:
name: gcs-storage
namespace: demo
spec:
storage:
provider: gcs
gcs:
bucket: kubestash-qa
prefix: demo
secretName: gcs-secret
usagePolicy:
allowedNamespaces:
from: All
default: true
deletionPolicy: Delete
Let’s create the BackupStorage we have shown above,
$ kubectl apply -f https://github.com/kubedb/docs/raw/v2024.11.8-rc.0/docs/guides/postgres/backup/kubestash/logical/examples/backupstorage.yaml
backupstorage.storage.kubestash.com/gcs-storage created
Now, we are ready to backup our database to our desired backend.
Create RetentionPolicy:
Now, let’s create a RetentionPolicy to specify how the old Snapshots should be cleaned up.
Below is the YAML of the RetentionPolicy object that we are going to create,
apiVersion: storage.kubestash.com/v1alpha1
kind: RetentionPolicy
metadata:
name: demo-retention
namespace: demo
spec:
default: true
failedSnapshots:
last: 2
maxRetentionPeriod: 2mo
successfulSnapshots:
last: 5
usagePolicy:
allowedNamespaces:
from: All
Let’s create the above RetentionPolicy,
$ kubectl apply -f https://github.com/kubedb/docs/raw/v2024.11.8-rc.0/docs/guides/postgres/backup/kubestash/logical/examples/retentionpolicy.yaml
retentionpolicy.storage.kubestash.com/demo-retention created
Backup
We have to create a BackupConfiguration targeting respective sample-postgres PostgreSQL database. Then, KubeStash will create a CronJob for each session to take periodic backup of that database.
At first, we need to create a secret with a Restic password for backup data encryption.
Create Secret:
Let’s create a secret called encrypt-secret with the Restic password,
$ echo -n 'changeit' > RESTIC_PASSWORD
$ kubectl create secret generic -n demo encrypt-secret \
--from-file=./RESTIC_PASSWORD
secret "encrypt-secret" created
Below is the YAML for BackupConfiguration CR to backup the sample-postgres database that we have deployed earlier,
apiVersion: core.kubestash.com/v1alpha1
kind: BackupConfiguration
metadata:
name: sample-postgres-backup
namespace: demo
spec:
target:
apiGroup: kubedb.com
kind: Postgres
namespace: demo
name: sample-postgres
backends:
- name: gcs-backend
storageRef:
namespace: demo
name: gcs-storage
retentionPolicy:
name: demo-retention
namespace: demo
sessions:
- name: frequent-backup
scheduler:
schedule: "*/5 * * * *"
jobTemplate:
backoffLimit: 1
repositories:
- name: gcs-postgres-repo
backend: gcs-backend
directory: /postgres
encryptionSecret:
name: encrypt-secret
namespace: demo
addon:
name: postgres-addon
tasks:
- name: logical-backup
.spec.sessions[*].schedulespecifies that we want to backup the database at5 minutesinterval..spec.targetrefers to the targetedsample-postgresPostgreSQL database that we created earlier.
Let’s create the BackupConfiguration CR that we have shown above,
$ kubectl apply -f https://github.com/kubedb/docs/raw/v2024.11.8-rc.0/docs/guides/postgres/kubestash/logical/examples/backupconfiguration.yaml
backupconfiguration.core.kubestash.com/sample-postgres-backup created
Verify Backup Setup Successful
If everything goes well, the phase of the BackupConfiguration should be Ready. The Ready phase indicates that the backup setup is successful. Let’s verify the Phase of the BackupConfiguration,
$ kubectl get backupconfiguration -n demo
NAME PHASE PAUSED AGE
sample-postgres-backup Ready 2m50s
Additionally, we can verify that the Repository specified in the BackupConfiguration has been created using the following command,
$ kubectl get repo -n demo
NAME INTEGRITY SNAPSHOT-COUNT SIZE PHASE LAST-SUCCESSFUL-BACKUP AGE
gcs-postgres-repo 0 0 B Ready 3m
KubeStash keeps the backup for Repository YAMLs. If we navigate to the GCS bucket, we will see the Repository YAML stored in the demo/postgres directory.
Verify CronJob:
It will also create a CronJob with the schedule specified in spec.sessions[*].scheduler.schedule field of BackupConfiguration CR.
Verify that the CronJob has been created using the following command,
$ kubectl get cronjob -n demo
NAME SCHEDULE SUSPEND ACTIVE LAST SCHEDULE AGE
trigger-sample-postgres-backup-frequent-backup */5 * * * * 0 2m45s 3m25s
Verify BackupSession:
KubeStash triggers an instant backup as soon as the BackupConfiguration is ready. After that, backups are scheduled according to the specified schedule.
$ kubectl get backupsession -n demo -w
NAME INVOKER-TYPE INVOKER-NAME PHASE DURATION AGE
sample-postgres-backup-frequent-backup-1725449400 BackupConfiguration sample-postgres-backup Succeeded 7m22s
We can see from the above output that the backup session has succeeded. Now, we are going to verify whether the backed up data has been stored in the backend.
Verify Backup:
Once a backup is complete, KubeStash will update the respective Repository CR to reflect the backup. Check that the repository sample-postgres-backup has been updated by the following command,
$ kubectl get repository -n demo gcs-postgres-repo
NAME INTEGRITY SNAPSHOT-COUNT SIZE PHASE LAST-SUCCESSFUL-BACKUP AGE
gcs-postgres-repo true 1 806 B Ready 8m27s 9m18s
At this moment we have one Snapshot. Run the following command to check the respective Snapshot which represents the state of a backup run for an application.
$ kubectl get snapshots -n demo -l=kubestash.com/repo-name=gcs-postgres-repo
NAME REPOSITORY SESSION SNAPSHOT-TIME DELETION-POLICY PHASE AGE
gcs-postgres-repo-sample-postgres-backup-frequent-backup-1725449400 gcs-postgres-repo frequent-backup 2024-01-23T13:10:54Z Delete Succeeded 16h
Note: KubeStash creates a
Snapshotwith the following labels:
kubedb.com/db-version: <db-version>kubestash.com/app-ref-kind: <target-kind>kubestash.com/app-ref-name: <target-name>kubestash.com/app-ref-namespace: <target-namespace>kubestash.com/repo-name: <repository-name>These labels can be used to watch only the
Snapshots related to our target Database orRepository.
If we check the YAML of the Snapshot, we can find the information about the backed up components of the Database.
$ kubectl get snapshots -n demo gcs-postgres-repo-sample-postgres-backup-frequent-backup-1725449400 -oyaml
apiVersion: storage.kubestash.com/v1alpha1
kind: Snapshot
metadata:
creationTimestamp: "2024-09-04T11:30:00Z"
finalizers:
- kubestash.com/cleanup
generation: 1
labels:
kubestash.com/app-ref-kind: Postgres
kubestash.com/app-ref-name: sample-postgres
kubestash.com/app-ref-namespace: demo
kubestash.com/repo-name: gcs-postgres-repo
annotations:
kubedb.com/db-version: "16.1"
name: gcs-postgres-repo-sample-postgres-backup-frequent-backup-1725449400
namespace: demo
ownerReferences:
- apiVersion: storage.kubestash.com/v1alpha1
blockOwnerDeletion: true
controller: true
kind: Repository
name: gcs-postgres-repo
uid: 1009bd4a-b211-49f1-a64c-3c979c699a81
resourceVersion: "253523"
uid: c6757c49-e13b-4a36-9f7d-64eae350423f
spec:
appRef:
apiGroup: kubedb.com
kind: Postgres
name: sample-postgres
namespace: demo
backupSession: sample-postgres-backup-frequent-backup-1725449400
deletionPolicy: Delete
repository: gcs-postgres-repo
session: frequent-backup
snapshotID: 01J6YCRWEWAKACMGZYR2R7YJ5C
type: FullBackup
version: v1
status:
components:
dump:
driver: Restic
duration: 11.526138009s
integrity: true
path: repository/v1/frequent-backup/dump
phase: Succeeded
resticStats:
- hostPath: dumpfile.sql
id: 008eb87193e7db112e9ad8f42c9302c851a1fbacb7165a5cb3aa2d27dd210764
size: 3.345 KiB
uploaded: 299 B
size: 2.202 KiB
conditions:
- lastTransitionTime: "2024-09-04T11:30:00Z"
message: Recent snapshot list updated successfully
reason: SuccessfullyUpdatedRecentSnapshotList
status: "True"
type: RecentSnapshotListUpdated
- lastTransitionTime: "2024-09-04T11:30:32Z"
message: Metadata uploaded to backend successfully
reason: SuccessfullyUploadedSnapshotMetadata
status: "True"
type: SnapshotMetadataUploaded
integrity: true
phase: Succeeded
size: 2.201 KiB
snapshotTime: "2024-09-04T11:30:00Z"
totalComponents: 1
KubeStash uses
pg_dumporpg_dumpallto perform backups of targetPostgreSQLdatabases. Therefore, the component name for logical backups is set asdump.
Now, if we navigate to the GCS bucket, we will see the backed up data stored in the demo/popstgres/repository/v1/frequent-backup/dump directory. KubeStash also keeps the backup for Snapshot YAMLs, which can be found in the demo/postgres/snapshots directory.
Note: KubeStash stores all dumped data encrypted in the backup directory, meaning it remains unreadable until decrypted.
Restore
In this section, we are going to restore the database from the backup we have taken in the previous section. We are going to deploy a new database and initialize it from the backup.
Now, we have to deploy the restored database similarly as we have deployed the original sample-postgres database. However, this time there will be the following differences:
- We are going to specify
.spec.init.waitForInitialRestorefield that tells KubeDB to wait for first restore to complete before marking this database is ready to use.
Below is the YAML for PostgreSQL CR we are going deploy to initialize from backup,
apiVersion: kubedb.com/v1
kind: Postgres
metadata:
name: restored-postgres
namespace: demo
spec:
init:
waitForInitialRestore: true
version: "16.1"
replicas: 3
standbyMode: Hot
streamingMode: Synchronous
storageType: Durable
storage:
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 1Gi
deletionPolicy: WipeOut
Let’s create the above database,
$ kubectl apply -f https://github.com/kubedb/docs/raw/v2024.11.8-rc.0/docs/guides/postgres/backup/kubestash/logical/examples/restored-postgres.yaml
postgres.kubedb.com/restore-postgres created
If you check the database status, you will see it is stuck in Provisioning state.
$ kubectl get postgres -n demo restored-postgres
NAME VERSION STATUS AGE
restored-postgres 8.2.0 Provisioning 61s
Create RestoreSession:
Now, we need to create a RestoreSession CR pointing to targeted PostgreSQL database.
Below, is the contents of YAML file of the RestoreSession object that we are going to create to restore backed up data into the newly created PostgreSQL database named restored-postgres.
apiVersion: core.kubestash.com/v1alpha1
kind: RestoreSession
metadata:
name: sample-postgres-restore
namespace: demo
spec:
target:
apiGroup: kubedb.com
kind: Postgres
namespace: demo
name: restored-postgres
dataSource:
repository: gcs-postgres-repo
snapshot: latest
encryptionSecret:
name: encrypt-secret
namespace: demo
addon:
name: postgres-addon
tasks:
- name: logical-backup-restore
Here,
.spec.targetrefers to the newly createdrestored-postgresPostgreSQL object to where we want to restore backup data..spec.dataSource.repositoryspecifies the Repository object that holds the backed up data..spec.dataSource.snapshotspecifies to restore from latestSnapshot.
Let’s create the RestoreSession CRD object we have shown above,
$ kubectl apply -f **https://github.com/kubedb/docs/raw/v2024.11.8-rc.0/docs/guides/postgres/backup/kubestash/logical/examples/restoresession.yaml
restoresession.core.kubestash.com/sample-postgres-restore created
Once, you have created the RestoreSession object, KubeStash will create restore Job. Run the following command to watch the phase of the RestoreSession object,
$ watch kubectl get restoresession -n demo
Every 2.0s: kubectl get restores... AppsCode-PC-03: Wed Aug 21 10:44:05 2024
NAME REPOSITORY FAILURE-POLICY PHASE DURATION AGE
sample-postgres-restore gcs-postgres-repo Succeeded 7s 116s
The Succeeded phase means that the restore process has been completed successfully.
Verify Restored Data:
In this section, we are going to verify whether the desired data has been restored successfully. We are going to connect to the database server and check whether the database and the table we created earlier in the original database are restored.
At first, check if the database has gone into Ready state by the following command,
$ kubectl get postgres -n demo restored-postgres
NAME VERSION STATUS AGE
restored-postgres 16.1 Ready 6m31s
Now, find out the database Pod by the following command,
$ kubectl get pods -n demo --selector="app.kubernetes.io/instance=restored-postgres"
NAME READY STATUS RESTARTS AGE
restored-postgres-0 2/2 Running 0 6m7s
restored-postgres-1 2/2 Running 0 6m1s
restored-postgres-2 2/2 Running 0 5m55s
Now, lets exec one of the Pod and verify restored data.
$ kubectl exec -it -n demo restored-postgres-0 -- /bin/sh
# login as "postgres" superuser.
/ # psql -U postgres
psql (11.11)
Type "help" for help.
# verify that the "demo" database has been restored
postgres=# \l
List of databases
Name | Owner | Encoding | Locale Provider | Collate | Ctype | ICU Locale | ICU Rules | Access privileges
---------------+----------+----------+-----------------+------------+------------+------------+-----------+-----------------------
demo | postgres | UTF8 | libc | en_US.utf8 | en_US.utf8 | | |
kubedb_system | postgres | UTF8 | libc | en_US.utf8 | en_US.utf8 | | |
postgres | postgres | UTF8 | libc | en_US.utf8 | en_US.utf8 | | |
template0 | postgres | UTF8 | libc | en_US.utf8 | en_US.utf8 | | | =c/postgres +
| | | | | | | | postgres=CTc/postgres
template1 | postgres | UTF8 | libc | en_US.utf8 | en_US.utf8 | | | =c/postgres +
| | | | | | | | postgres=CTc/postgres
(5 rows)
# connect to the "demo" database
postgres=# \c demo
You are now connected to database "demo" as user "postgres".
# verify that the sample table has been restored
demo=# \d
List of relations
Schema | Name | Type | Owner
--------+---------+-------+----------
public | company | table | postgres
(1 row)
# Verify that the sample data has been restored
demo=# SELECT * FROM COMPANY;
name | employee
-------------+----------
TechCorp | 100
InnovateInc | 150
AlphaTech | 200
(3 rows)
# disconnect from the database
demo=# \q
# exit from the pod
/ # exit
So, from the above output, we can see the demo database we had created in the original database sample-postgres has been restored in the restored-postgres database.
Cleanup
To cleanup the Kubernetes resources created by this tutorial, run:
kubectl delete backupconfigurations.core.kubestash.com -n demo sample-postgres-backup
kubectl delete restoresessions.core.kubestash.com -n demo restore-sample-postgres
kubectl delete backupstorage -n demo gcs-storage
kubectl delete secret -n demo gcs-secret
kubectl delete secret -n demo encrypt-secret
kubectl delete retentionpolicies.storage.kubestash.com -n demo demo-retention
kubectl delete postgres -n demo restored-postgres
kubectl delete postgres -n demo sample-postgres