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REST Backend
Stash supports restic’s REST Server as a backend. This tutorial will show you how to use this backend.
In order to use REST Server as backend, you have to create a Secret and a Repository object pointing to the desired REST Server address.
Create Storage Secret
To configure storage secret for this backend, following secret keys are needed:
| Key | Type | Description |
|---|---|---|
RESTIC_PASSWORD | Required | Password that will be used to encrypt the backup snapshots. |
REST_SERVER_USERNAME | Optional | Username for basic authentication in the REST server. |
REST_SERVER_PASSWORD | Optional | Password for basic authentication in the REST Server |
CA_CERT_DATA | optional | CA certificate used by storage backend. This can be used to pass the root certificate that has been used to sign the server certificate of a TLS secured REST Server. |
Create storage secret as below,
$ echo -n 'changeit' > RESTIC_PASSWORD
$ echo -n '<your-rest-server-username>' > REST_SERVER_USERNAME
$ echo -n '<your-rest-server-password>' > REST_SERVER_PASSWORD
$ kubectl create secret generic -n demo rest-secret \
--from-file=./RESTIC_PASSWORD \
--from-file=./REST_SERVER_USERNAME \
--from-file=./REST_SERVER_PASSWORD
secret/rest-secret created
Create Repository
Now, you have to create a Repository crd. You have to provide the storage secret that we have created earlier in spec.backend.storageSecretName field.
Following parameters are available for rest backend,
| Parameter | Type | Description |
|---|---|---|
rest.url | Required | URL of the REST Server along with an optional path inside the server where backed up snapshot will be stored. |
Below, the YAML of a sample Repository crd that uses a REST Server as a backend.
apiVersion: stash.appscode.com/v1alpha1
kind: Repository
metadata:
name: rest-repo
namespace: demo
spec:
backend:
rest:
url: http://rest-server.demo.svc:8000/stash-backup-demo
storageSecretName: rest-secret
Create the Repository we have shown above using the following command,
$ kubectl apply -f https://github.com/stashed/docs/raw/v0.9.0-rc.6/docs/examples/guides/latest/backends/rest.yaml
repository/rest-repo created
Now, we are ready to use this backend to backup our desired data using Stash.