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Remove unneeded intermediate folders
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---
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title: Backup Configuration
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shortTitle: Backup
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weight: 1
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---
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The Backup Create page lets you configure a schedule, enable encryption and specify the storage location for your backups.
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- [Schedule](#schedule)
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- [Encryption](#encryption)
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- [Storage Location](#storage-location)
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- [S3](#s3)
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- [Example S3 Storage Configuration](#example-s3-storage-configuration)
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- [Example MinIO Configuration](#example-minio-configuration)
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- [Example credentialSecret](#example-credentialsecret)
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- [IAM Permissions for EC2 Nodes to Access S3](#iam-permissions-for-ec2-nodes-to-access-s3)
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- [Examples](#examples)
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# Schedule
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Select the first option to perform a one-time backup, or select the second option to schedule recurring backups. Selecting **Recurring Backups** lets you configure following two fields:
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- **Schedule**: This field accepts
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- Standard [cron expressions](https://en.wikipedia.org/wiki/Cron), such as `"0 * * * *"`
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- Descriptors, such as `"@midnight"` or `"@every 1h30m"`
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- **Retention Count**: This value specifies how many backup files must be retained. If files exceed the given retentionCount, the oldest files will be deleted. The default value is 10.
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| YAML Directive Name | Description |
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| ---------------- | ---------------- |
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| `schedule` | Provide the cron string for scheduling recurring backups. |
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| `retentionCount` | Provide the number of backup files to be retained. |
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# Encryption
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The rancher-backup gathers resources by making calls to the kube-apiserver. Objects returned by apiserver are decrypted, so even if [encryption At rest](https://kubernetes.io/docs/tasks/administer-cluster/encrypt-data/) is enabled, even the encrypted objects gathered by the backup will be in plaintext.
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To avoid storing them in plaintext, you can use the same encryptionConfig file that was used for at-rest encryption, to encrypt certain resources in your backup.
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> **Important:** You must save the encryptionConfig file, because it won’t be saved by the rancher-backup operator.
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The same encryptionFile needs to be used when performing a restore.
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The operator consumes this encryptionConfig as a Kubernetes Secret, and the Secret must be in the operator’s namespace. Rancher installs the `rancher-backup` operator in the `cattle-resources-system` namespace, so create this encryptionConfig secret in that namespace.
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For the `EncryptionConfiguration`, you can use the [sample file provided in the Kubernetes documentation.](https://kubernetes.io/docs/tasks/administer-cluster/encrypt-data/#understanding-the-encryption-at-rest-configuration)
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To create the Secret, the encryption configuration file must be named `encryption-provider-config.yaml`, and the `--from-file` flag must be used to create this secret.
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Save the `EncryptionConfiguration` in a file called `encryption-provider-config.yaml` and run this command:
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```
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kubectl create secret generic encryptionconfig \
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--from-file=./encryption-provider-config.yaml \
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-n cattle-resources-system
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```
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This will ensure that the secret contains a key named `encryption-provider-config.yaml`, and the operator will use this key to get the encryption configuration.
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The `Encryption Config Secret` dropdown will filter out and list only those Secrets that have this exact key
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{{< img "/img/rancher/backup_restore/backup/encryption.png" "">}}
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In the example command above, the name `encryptionconfig` can be changed to anything.
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| YAML Directive Name | Description |
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| ---------------- | ---------------- |
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| `encryptionConfigSecretName` | Provide the name of the Secret from `cattle-resources-system` namespace, that contains the encryption config file. |
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# Storage Location
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If the StorageLocation is specified in the Backup, the operator will retrieve the backup location from that particular S3 bucket. If not specified, the operator will try to find this file in the default operator-level S3 store, and in the operator-level PVC store. The default storage location is configured during the deployment of the `rancher-backup` operator.
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Selecting the first option stores this backup in the storage location configured while installing the rancher-backup chart. The second option lets you configure a different S3 compatible storage provider for storing the backup.
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### S3
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The S3 storage location contains the following configuration fields:
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1. **Credential Secret** (optional): If you need to use the AWS Access keys Secret keys to access s3 bucket, create a secret with your credentials with keys and the directives `accessKey` and `secretKey`. It can be in any namespace. An example secret is [here.](#example-credentialsecret) This directive is unnecessary if the nodes running your operator are in EC2 and set up with IAM permissions that allow them to access S3, as described in [this section.](#iam-permissions-for-ec2-nodes-to-access-s3) The Credential Secret dropdown lists the secrets in all namespaces.
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1. **Bucket Name**: The name of the S3 bucket where backup files will be stored.
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1. **Region** (optional): The AWS [region](https://aws.amazon.com/about-aws/global-infrastructure/regions_az/) where the S3 bucket is located. This field isn't needed for configuring MinIO.
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1. **Folder** (optional): The name of the folder in the S3 bucket where backup files will be stored. Nested folders (e.g., `rancher/cluster1`) are not supported.
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1. **Endpoint**: The [endpoint](https://docs.aws.amazon.com/general/latest/gr/s3.html) that is used to access S3 in the region of your bucket.
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1. **Endpoint CA** (optional): This should be the Base64 encoded CA cert. For an example, refer to the [example S3 compatible configuration.](#example-s3-storage-configuration)
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1. **Skip TLS Verifications** (optional): Set to true if you are not using TLS.
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| YAML Directive Name | Description | Required |
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| ---------------- | ---------------- | ------------ |
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| `credentialSecretName` | If you need to use the AWS Access keys Secret keys to access s3 bucket, create a secret with your credentials with keys and the directives `accessKey` and `secretKey`. It can be in any namespace as long as you provide that namespace in `credentialSecretNamespace`. An example secret is [here.](#example-credentialsecret) This directive is unnecessary if the nodes running your operator are in EC2 and set up with IAM permissions that allow them to access S3, as described in [this section.](#iam-permissions-for-ec2-nodes-to-access-s3) | |
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| `credentialSecretNamespace` | The namespace of the secret containing the credentials to access S3. This directive is unnecessary if the nodes running your operator are in EC2 and set up with IAM permissions that allow them to access S3, as described in [this section.](#iam-permissions-for-ec2-nodes-to-access-s3) | |
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| `bucketName` | The name of the S3 bucket where backup files will be stored. | ✓ |
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| `folder` | The name of the folder in the S3 bucket where backup files will be stored. Nested folders (e.g., `rancher/cluster1`) are not supported. | |
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| `region` | The AWS [region](https://aws.amazon.com/about-aws/global-infrastructure/regions_az/) where the S3 bucket is located. | ✓ |
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| `endpoint` | The [endpoint](https://docs.aws.amazon.com/general/latest/gr/s3.html) that is used to access S3 in the region of your bucket. | ✓ |
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| `endpointCA` | This should be the Base64 encoded CA cert. For an example, refer to the [example S3 compatible configuration.](#example-s3-storage-configuration) | |
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| `insecureTLSSkipVerify` | Set to true if you are not using TLS. | |
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### Example S3 Storage Configuration
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```yaml
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s3:
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credentialSecretName: s3-creds
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credentialSecretNamespace: default
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bucketName: rancher-backups
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folder: rancher
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region: us-west-2
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endpoint: s3.us-west-2.amazonaws.com
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```
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### Example MinIO Configuration
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```yaml
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s3:
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credentialSecretName: minio-creds
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bucketName: rancherbackups
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endpoint: minio.35.202.130.254.xip.io
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endpointCA: 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```
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### Example credentialSecret
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```yaml
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apiVersion: v1
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kind: Secret
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metadata:
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name: creds
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type: Opaque
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data:
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accessKey: <Enter your base64-encoded access key>
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secretKey: <Enter your base64-encoded secret key>
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```
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### IAM Permissions for EC2 Nodes to Access S3
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There are two ways to set up the `rancher-backup` operator to use S3 as the backup storage location.
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One way is to configure the `credentialSecretName` in the Backup custom resource, which refers to AWS credentials that have access to S3.
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If the cluster nodes are in Amazon EC2, the S3 access can also be set up by assigning IAM permissions to the EC2 nodes so that they can access S3.
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To allow a node to access S3, follow the instructions in the [AWS documentation](https://aws.amazon.com/premiumsupport/knowledge-center/ec2-instance-access-s3-bucket/) to create an IAM role for EC2. When you add a custom policy to the role, add the following permissions, and replace the `Resource` with your bucket name:
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```json
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{
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"Version": "2012-10-17",
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"Statement": [
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{
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"Effect": "Allow",
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"Action": [
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"s3:ListBucket"
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],
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"Resource": [
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"arn:aws:s3:::rancher-backups"
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]
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},
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{
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"Effect": "Allow",
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"Action": [
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"s3:PutObject",
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"s3:GetObject",
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"s3:DeleteObject",
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"s3:PutObjectAcl"
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],
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"Resource": [
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"arn:aws:s3:::rancher-backups/*"
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]
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}
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]
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}
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```
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After the role is created, and you have attached the corresponding instance profile to your EC2 instance(s), the `credentialSecretName` directive can be left empty in the Backup custom resource.
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# Examples
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For example Backup custom resources, refer to [this page.](../../examples/#backup)
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@@ -0,0 +1,10 @@
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---
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title: Rancher Backup Configuration Reference
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shortTitle: Configuration
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weight: 4
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---
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- [Backup configuration](./backup-config)
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- [Restore configuration](./restore-config)
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- [Storage location configuration](./storage-config)
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- [Example Backup and Restore Custom Resources](../examples)
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@@ -0,0 +1,87 @@
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---
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title: Restore Configuration
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shortTitle: Restore
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weight: 2
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---
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The Restore Create page lets you provide details of the backup to restore from
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{{< img "/img/rancher/backup_restore/restore/restore.png" "">}}
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- [Backup Source](#backup-source)
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- [An Existing Backup Config](#an-existing-backup-config)
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- [The default storage target](#the-default-storage-target)
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- [An S3-compatible object store](#an-s3-compatible-object-store)
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- [Encryption](#encryption)
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- [Prune during restore](#prune-during-restore)
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- [Getting the Backup Filename from S3](#getting-the-backup-filename-from-s3)
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# Backup Source
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Provide details of the backup file and its storage location, which the operator will then use to perform the restore. Select from the following options to provide these details
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### An existing backup config
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Selecting this option will populate the **Target Backup** dropdown with the Backups available in this cluster. Select the Backup from the dropdown, and that will fill out the **Backup Filename** field for you, and will also pass the backup source information from the selected Backup to the operator.
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{{< img "/img/rancher/backup_restore/restore/existing.png" "">}}
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If the Backup custom resource does not exist in the cluster, you need to get the exact filename and provide the backup source details with the default storage target or an S3-compatible object store.
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### The default storage target
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Select this option if you are restoring from a backup file that exists in the default storage location configured at the operator-level. The operator-level configuration is the storage location that was configured when the `rancher-backup` operator was installed or upgraded. Provide the exact filename in the **Backup Filename** field.
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{{< img "/img/rancher/backup_restore/restore/default.png" "">}}
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### An S3-compatible object store
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Select this option if no default storage location is configured at the operator-level, OR if the backup file exists in a different S3 bucket than the one configured as the default storage location. Provide the exact filename in the **Backup Filename** field. Refer to [this section](#getting-the-backup-filename-from-s3) for exact steps on getting the backup filename from s3. Fill in all the details for the S3 compatible object store. Its fields are exactly same as ones for the `backup.StorageLocation` configuration in the [Backup custom resource.](../../configuration/backup-config/#storage-location)
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{{< img "/img/rancher/backup_restore/restore/s3store.png" "">}}
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# Encryption
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If the backup was created with encryption enabled, its file will have `.enc` suffix. Choosing such a Backup, or providing a backup filename with `.enc` suffix will display another dropdown named **Encryption Config Secret**.
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{{< img "/img/rancher/backup_restore/restore/encryption.png" "">}}
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The Secret selected from this dropdown must have the same contents as the one used for the Backup custom resource while performing the backup. If the encryption configuration doesn't match, the restore will fail
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The `Encryption Config Secret` dropdown will filter out and list only those Secrets that have this exact key
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| YAML Directive Name | Description |
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| ---------------- | ---------------- |
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| `encryptionConfigSecretName` | Provide the name of the Secret from `cattle-resources-system` namespace, that contains the encryption config file. |
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> **Important**
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This field should only be set if the backup was created with encryption enabled. Providing the incorrect encryption config will cause the restore to fail.
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# Prune During Restore
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* **Prune**: In order to fully restore Rancher from a backup, and to go back to the exact state it was at when the backup was performed, we need to delete any additional resources that were created by Rancher after the backup was taken. The operator does so if the **Prune** flag is enabled. Prune is enabled by default and it is recommended to keep it enabled.
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* **Delete Timeout**: This is the amount of time the operator will wait while deleting a resource before editing the resource to remove finalizers and attempt deletion again.
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| YAML Directive Name | Description |
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| ---------------- | ---------------- |
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| `prune` | Delete the resources managed by Rancher that are not present in the backup (Recommended). |
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| `deleteTimeoutSeconds` | Amount of time the operator will wait while deleting a resource before editing the resource to remove finalizers and attempt deletion again. |
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# Getting the Backup Filename from S3
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This is the name of the backup file that the `rancher-backup` operator will use to perform the restore.
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To obtain this file name from S3, go to your S3 bucket (and folder if it was specified while performing backup).
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Copy the filename and store it in your Restore custom resource. So assuming the name of your backup file is `backupfile`,
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- If your bucket name is `s3bucket` and no folder was specified, then the `backupFilename` to use will be `backupfile`.
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- If your bucket name is `s3bucket` and the base folder is`s3folder`, the `backupFilename` to use is only `backupfile` .
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- If there is a subfolder inside `s3Folder` called `s3sub`, and that has your backup file, then the `backupFilename` to use is `s3sub/backupfile`.
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| YAML Directive Name | Description |
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| ---------------- | ---------------- |
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||||
| `backupFilename` | This is the name of the backup file that the `rancher-backup` operator will use to perform the restore. |
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@@ -0,0 +1,60 @@
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---
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title: Backup Storage Location Configuration
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shortTitle: Storage
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weight: 3
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||||
---
|
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|
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Configure a storage location where all backups are saved by default. You will have the option to override this with each backup, but will be limited to using an S3-compatible object store.
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Only one storage location can be configured at the operator level.
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- [Storage Location Configuration](#storage-location-configuration)
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- [No Default Storage Location](#no-default-storage-location)
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- [S3-compatible Object Store](#s3-compatible-object-store)
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- [Use an existing StorageClass](#existing-storageclass)
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- [Use an existing PersistentVolume](#existing-persistent-volume)
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- [Encryption](#encryption)
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- [Example values.yaml for the rancher-backup Helm Chart](#example-values-yaml-for-the-rancher-backup-helm-chart)
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# Storage Location Configuration
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### No Default Storage Location
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You can choose to not have any operator-level storage location configured. If you select this option, you must configure an S3-compatible object store as the storage location for each individual backup.
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### S3-compatible Object Store
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| Parameter | Description |
|
||||
| -------------- | -------------- |
|
||||
| Credential Secret | Choose the credentials for S3 from your secrets in Rancher. [Example]({{<baseurl>}}/rancher/v2.6/en/backups/examples/#example-credential-secret-for-storing-backups-in-s3). |
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| Bucket Name | Enter the name of the [S3 bucket](https://docs.aws.amazon.com/AmazonS3/latest/dev/UsingBucket.html) where the backups will be stored. Default: `rancherbackups`. |
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| Region | The [AWS region](https://aws.amazon.com/about-aws/global-infrastructure/regions_az/) where the S3 bucket is located. |
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||||
| Folder | The [folder in the S3 bucket](https://docs.aws.amazon.com/AmazonS3/latest/user-guide/using-folders.html) where the backups will be stored. |
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| Endpoint | The [S3 endpoint](https://docs.aws.amazon.com/general/latest/gr/s3.html) For example, `s3.us-west-2.amazonaws.com`. |
|
||||
| Endpoint CA | The CA cert used to for the S3 endpoint. Default: base64 encoded CA cert |
|
||||
| insecureTLSSkipVerify | Set to true if you are not using TLS. |
|
||||
|
||||
### Existing StorageClass
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||||
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||||
Installing the `rancher-backup` chart by selecting the StorageClass option will create a Persistent Volume Claim (PVC), and Kubernetes will in turn dynamically provision a Persistent Volume (PV) where all the backups will be saved by default.
|
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|
||||
For information about creating storage classes refer to [this section.]({{<baseurl>}}/rancher/v2.6/en/cluster-admin/volumes-and-storage/provisioning-new-storage/)
|
||||
|
||||
> **Important**
|
||||
It is highly recommended to use a StorageClass with a reclaim policy of "Retain". Otherwise if the PVC created by the `rancher-backup` chart gets deleted (either during app upgrade, or accidentally), the PV will get deleted too, which means all backups saved in it will get deleted.
|
||||
If no such StorageClass is available, after the PV is provisioned, make sure to edit its reclaim policy and set it to "Retain" before storing backups in it.
|
||||
|
||||
### Existing Persistent Volume
|
||||
|
||||
Select an existing Persistent Volume (PV) that will be used to store your backups. For information about creating PersistentVolumes in Rancher, refer to [this section.]({{<baseurl>}}/rancher/v2.6/en/cluster-admin/volumes-and-storage/attaching-existing-storage/#2-add-a-persistent-volume-that-refers-to-the-persistent-storage)
|
||||
|
||||
> **Important**
|
||||
It is highly recommended to use a Persistent Volume with a reclaim policy of "Retain". Otherwise if the PVC created by the `rancher-backup` chart gets deleted (either during app upgrade, or accidentally), the PV will get deleted too, which means all backups saved in it will get deleted.
|
||||
|
||||
|
||||
# Example values.yaml for the rancher-backup Helm Chart
|
||||
|
||||
The documented `values.yaml` file that can be used to configure `rancher-backup` operator when the Helm CLI is used can be found in the [backup-restore-operator repository.](https://github.com/rancher/backup-restore-operator/blob/master/charts/rancher-backup/values.yaml)
|
||||
|
||||
For more information about `values.yaml` files and configuring Helm charts during installation, refer to the [Helm documentation.](https://helm.sh/docs/intro/using_helm/#customizing-the-chart-before-installing)
|
||||
|
||||
Reference in New Issue
Block a user