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Detect and revoke leaked Grafana service account tokens |
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Configure secret scanning | Configure Grafana secret scanning and notifications | 1000 |
Configure Grafana secret scanning and notifications
With Grafana, you can use the GitHub Secret Scanning service to determine if your [service account tokens]({{< relref "../../administration/service-accounts" >}}) have been leaked on GitHub.
When GitHub Secret Scanning detects a Grafana secret, its hash is stored in Grafana Labs' secret scanning service.
Grafana instances, whether on-premises or on the cloud, can use this service to verify if a token generated by the instance has been made public. This verification is done by comparing the token's hash with the exposed token's hash.
If the service detects a leaked token, it immediately revokes it, making it useless, and logs the event.
{{% admonition type="note" %}}
If the revoke
option is disabled, the service only sends a notification to the configured webhook URL and logs the event. The token is not automatically revoked.
{{% /admonition %}}
You can also configure the service to send an outgoing webhook notification to a webhook URL.
The notification includes a JSON payload that contains the following data:
{
"alert_uid": "c9ce50a1-d66b-45e4-9b5d-175766cfc026",
"link_to_upstream_details": <URL to token leak>,
"message": "Token of type grafana_service_account_token with name
sa-the-toucans has been publicly exposed in <URL to token leak>.
Grafana has revoked this token",
"state": "alerting",
"title": "SecretScan Alert: Grafana Token leaked"
}
{{% admonition type="note" %}} Secret scanning is disabled by default. Outgoing connections are made once you enable it. {{% /admonition %}}
Before you begin
- Ensure all your API keys have been migrated to service accounts. For more information about service account migration, refer to [Migrate API keys to Grafana service accounts]({{< relref "../../administration/api-keys#migrate-api-keys-to-grafana-service-accounts" >}}).
Configure secret scanning
-
Open the Grafana configuration file.
-
In the
[secretscan]
section, update the following parameters:
[secretscan]
# Enable secretscan feature
enabled = true
# Whether to revoke the token if a leak is detected or just send a notification
revoke = true
Save the configuration file and restart Grafana.
Configure outgoing webhook notifications
-
Create an oncall integration of the type Webhook and set up alerts. To learn how to create a Grafana OnCall integration, refer to Inbound Webhook integrations for Grafana OnCall.
-
Copy the webhook URL of the new integration.
-
Open the Grafana configuration file.
-
In the
[secretscan]
section, update the following parameters, replacing the URL with the webhook URL you copied in step 2.
[secretscan]
# URL to send a webhook payload in oncall format
oncall_url = https://example.url/integrations/v1/webhook/3a359nib9eweAd9lAAAETVdOx/
Save the configuration file and restart Grafana.