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Update export-backups-to-own-cloud-account.md #3948

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Update export-backups-to-own-cloud-account.md
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83 changes: 64 additions & 19 deletions docs/cloud/manage/backups/export-backups-to-own-cloud-account.md
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Expand Up @@ -12,12 +12,16 @@
ClickHouse Cloud supports taking backups to your own cloud service provider (CSP) account (AWS S3, Google Cloud Storage, or Azure Blob Storage).
For details of how ClickHouse Cloud backups work, including "full" vs. "incremental" backups, see the [backups](overview.md) docs.

Here we show examples of how to take full and incremental backups to AWS, GCP, Azure object storage as well as how to restore from the backups.
Here we show examples of how to take full and incremental backups to AWS, GCP, Azure object storage as well as how to restore from the backups. The BACKUP commands listed below are run within the original service. The RESTORE commands are run from a new service where the backup should be restored.

Check notice on line 15 in docs/cloud/manage/backups/export-backups-to-own-cloud-account.md

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Suggestion: Use 'and' instead of 'as well as'.

Check notice on line 15 in docs/cloud/manage/backups/export-backups-to-own-cloud-account.md

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Suggestion: Improve readability by using fewer than 25 words in this sentence.

:::note
Users should be aware that any usage where backups are being exported to a different region in the same cloud provider, or to another cloud provider (in the same or different region) will incur [data transfer](../network-data-transfer.mdx) charges.
:::

:::note
Backup / Restore into your own bucket for services utilizing [TDE](https://clickhouse.com/docs/cloud/security/cmek#transparent-data-encryption-tde) is currently not supported.
:::

## Requirements {#requirements}

You will need the following details to export/restore backups to your own CSP storage bucket.
Expand Down Expand Up @@ -57,13 +61,19 @@
2. Access HMAC key and HMAC secret.

<hr/>
# Backup / Restore

## Backup / Restore to AWS S3 Bucket {#backup--restore-to-aws-s3-bucket}
# Backup / restore {#backup-restore}

:::note
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This note is only for aws (role based authentication). We also need more context about role based authentication, which would be https://clickhouse.com/docs/cloud/security/secure-s3

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We should also in example command for role based authentication, and not that that is only possible for AWS

1. For restoring the backup from your own bucket into a new service, you will need to update the trust policy of your backups storage bucket to allow access from the new service.
2. The Backup / Restore commands need to be run from the database command line. For restore to a new service, you will first need to create the service and then run the command.
:::

### Take a DB Backup {#take-a-db-backup}
## Backup / restore to AWS S3 bucket {#backup--restore-to-aws-s3-bucket}

**Full Backup**
### Take a DB backup {#take-a-db-backup}

**Full backup**
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Not a full backup


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We should move up the recommended command, it should be first, otherwise it could be missed

```sql
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Backup single database, similar for tables, see command summary here https://clickhouse.com/docs/operations/backup#command-summary

BACKUP DATABASE test_backups
Expand All @@ -77,11 +87,11 @@
For example, if you are taking daily backups, you will need to use a new UUID each day.
:::

**Incremental Backup**
**Incremental backup**

```sql
BACKUP DATABASE test_backups
TO S3('https://testchbackups.s3.amazonaws.com/backups/<uuid>', '<key id>', '<key secret>')
TO S3('https://testchbackups.s3.amazonaws.com/backups/<uuid>/my_incremental', '<key id>', '<key secret>')
SETTINGS base_backup = S3('https://testchbackups.s3.amazonaws.com/backups/<base-backup-uuid>', '<key id>', '<key secret>')
```

Expand All @@ -95,11 +105,11 @@

See: [Configuring BACKUP/RESTORE to use an S3 Endpoint](/operations/backup#configuring-backuprestore-to-use-an-s3-endpoint) for more details.

## Backup / Restore to Azure Blob Storage {#backup--restore-to-azure-blob-storage}
## Backup / restore to Azure Blob Storage {#backup--restore-to-azure-blob-storage}

### Take a DB Backup {#take-a-db-backup-1}
### Take a DB backup {#take-a-db-backup-1}

**Full Backup**
**Full backup**

```sql
BACKUP DATABASE test_backups
Expand All @@ -108,7 +118,7 @@

Where `uuid` is a unique identifier, used to differentiate a set of backups.

**Incremental Backup**
**Incremental backup**

```sql
BACKUP DATABASE test_backups
Expand All @@ -126,30 +136,65 @@

See: [Configuring BACKUP/RESTORE to use an S3 Endpoint](/operations/backup#configuring-backuprestore-to-use-an-azureblobstorage-endpoint) for more details.

## Backup / Restore to Google Cloud Storage (GCS) {#backup--restore-to-google-cloud-storage-gcs}
## Backup / restore to Google Cloud Storage (GCS) {#backup--restore-to-google-cloud-storage-gcs}

### Take a DB Backup {#take-a-db-backup-2}
### Take a DB backup {#take-a-db-backup-2}

**Full Backup**
**Full backup**

```sql
BACKUP DATABASE test_backups
TO S3('https://storage.googleapis.com/<bucket>/<uuid>', <hmac-key>', <hmac-secret>)
```

Where `uuid` is a unique identifier, used to differentiate a set of backups.

**Incremental Backup**
**Incremental backup**

```sql
BACKUP DATABASE test_backups
TO S3('https://storage.googleapis.com/test_gcs_backups/<uuid>/my_incremental', 'key', 'secret')
SETTINGS base_backup = S3('https://storage.googleapis.com/test_gcs_backups/<uuid>', 'key', 'secret')
```

### Restore from a backup {#restore-from-a-backup-2}
# Granular backups {#granular-backups}

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Not necessary, if you want you can add a section about granular restores

The `BACKUP` command also works with granular backups of specific tables. Example AWS commands for backing up a specific table are listed below. GCP and Azure commands are similar to the ones explained above, except that they need to be customized to backup specific tables.

### Take a granular backup {#take-a-granular-backup}

**Full backup**

```sql
RESTORE DATABASE test_backups
AS test_backups_restored_gcs
FROM S3('https://storage.googleapis.com/test_gcs_backups/<uuid>', 'key', 'secret')
BACKUP TABLE data TO S3('https://testchbackups.s3.amazonaws.com/backups/<uuid>', '<key id>', '<key
secret>')
```

**Incremental backup**

```sql
BACKUP TABLE data TO S3('https://testchbackups.s3.amazonaws.com/backups/my_incremental/', '<key id>', '<key
secret>') SETTINGS base_backup = S3('https://testchbackups.s3.amazonaws.com/backups/<base-backup-uuid>', '<key id>', '<key
secret>')
```

### Restore from a granular backup {#restore-from-granular-backup}

```sql
RESTORE TABLE data AS data3 FROM
S3('https://testchbackups.s3.amazonaws.com/backups/my_incremental', '<key id>', '<key secret>')
```

### Backup and restore all service data {#backup-and-restore-all-service-data}
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Recommended full backup or something similar. Also we should note that BACKUP ALL will not work, because they won't have enough permissions to restore it


**Backup**

```sql
BACKUP TABLE system.settings_profiles, TABLE system.row_policies, TABLE system.quotas, TABLE system.functions, ALL EXCEPT DATABASES INFORMATION_SCHEMA,information_schema,system TO S3('https://testchbackups.s3.amazonaws.com/backups/', '<key id>', '<key secret>')
```

**Restore**

```sql
RESTORE ALL FROM S3('https://testchbackups.s3.amazonaws.com/backups/', '<key id>', '<key secret>')
```
4 changes: 3 additions & 1 deletion styles/ClickHouse/Headings.yml
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Expand Up @@ -63,6 +63,8 @@ exceptions:
- Docker Compose
- Kafka
- Google Cloud Run
- Google Cloud Storage
- GCS
- NPM
- OTel
- SQL
- SQL