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docs: Updated bucket names and added warning #13347

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Jul 1, 2024
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Original file line number Diff line number Diff line change
Expand Up @@ -167,6 +167,10 @@ It is not recommended to run scalable mode with `filesystem` storage. For the pu

After testing Loki with MinIO, it is recommended to configure Loki with an object storage provider. The following examples shows how to configure Loki with different object storage providers:

{{< admonition type="caution" >}}
When deploying Loki using S3 Storage **DO NOT** use the default bucket names; `chunk`, `ruler` and `admin`. Choose a unique name for each bucket. For more information see the following [security update](https://grafana.com/blog/2024/06/27/grafana-security-update-grafana-loki-and-unintended-data-write-attempts-to-amazon-s3-buckets/). This caution does not apply when you are using MinIO. When using MinIO we recommend using the default bucket names.
{{< /admonition >}}

{{< code >}}

```s3
Expand All @@ -192,9 +196,9 @@ After testing Loki with MinIO, it is recommended to configure Loki with an objec
storage:
type: s3
bucketNames:
chunks: "chunks"
ruler: "ruler"
admin: "admin"
chunks: "<INSERT BUCKET NAME>"
ruler: "<INSERT BUCKET NAME>"
admin: "<INSERT BUCKET NAME>"
s3:
# s3 URL can be used to specify the endpoint, access key, secret key, and bucket name
s3: s3://access_key:secret_access_key@custom_endpoint/bucket_name
Expand Down Expand Up @@ -343,4 +347,4 @@ To configure other storage providers, refer to the [Helm Chart Reference]({{< re

## Next Steps
* Configure an agent to [send log data to Loki](/docs/loki/<LOKI_VERSION>/send-data/).
* Monitor the Loki deployment using the [Meta Monitoring Healm chart](/docs/loki/<LOKI_VERSION>/setup/install/helm/monitor-and-alert/)
* Monitor the Loki deployment using the [Meta Monitoring Helm chart](/docs/loki/<LOKI_VERSION>/setup/install/helm/monitor-and-alert/)
12 changes: 8 additions & 4 deletions docs/sources/setup/install/helm/install-scalable/_index.md
Original file line number Diff line number Diff line change
Expand Up @@ -128,6 +128,10 @@ It is not recommended to run scalable mode with `filesystem` storage. For the pu

After testing Loki with MinIO, it is recommended to configure Loki with an object storage provider. The following examples shows how to configure Loki with different object storage providers:

{{< admonition type="caution" >}}
When deploying Loki using S3 Storage **DO NOT** use the default bucket names; `chunk`, `ruler` and `admin`. Choose a unique name for each bucket. For more information see the following [security update](https://grafana.com/blog/2024/06/27/grafana-security-update-grafana-loki-and-unintended-data-write-attempts-to-amazon-s3-buckets/). This caution does not apply when you are using MinIO. When using MinIO we recommend using the default bucket names.
{{< /admonition >}}

{{< code >}}

```s3
Expand All @@ -151,9 +155,9 @@ loki:
storage:
type: s3
bucketNames:
chunks: "chunks"
ruler: "ruler"
admin: "admin"
chunks: "<INSERT BUCKET NAME>"
ruler: "<INSERT BUCKET NAME>"
admin: "<INSERT BUCKET NAME>"
s3:
# s3 URL can be used to specify the endpoint, access key, secret key, and bucket name
s3: s3://access_key:secret_access_key@custom_endpoint/bucket_name
Expand Down Expand Up @@ -295,4 +299,4 @@ To configure other storage providers, refer to the [Helm Chart Reference]({{< re

## Next Steps
* Configure an agent to [send log data to Loki](/docs/loki/<LOKI_VERSION>/send-data/).
* Monitor the Loki deployment using the [Meta Monitoring Healm chart](/docs/loki/<LOKI_VERSION>/setup/install/helm/monitor-and-alert/)
* Monitor the Loki deployment using the [Meta Monitoring Helm chart](/docs/loki/<LOKI_VERSION>/setup/install/helm/monitor-and-alert/)
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