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loki/docs/sources/installation/helm/configure-storage/index.md

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Configure storage Configure storage Configure Loki storage [/docs/installation/helm/storage] 100 [object store filesystem minio]

Configure storage

The [scalable]({{<relref "../install-scalable">}}) installation requires a managed object store such as AWS S3 or Google Cloud Storage or a self-hosted store such as Minio. The [single binary]({{<relref "../install-monolithic">}}) installation can only use the filesystem for storage.

This guide assumes Loki will be installed in on of the modes above and that a values.yaml has been created.

To use a managed object store:

  1. Set the type of storage in values.yaml to gcs or s3.

  2. Configure the storage client under loki.storage.gcs or loki.storage.s3.

To install Minio alongside Loki:

  1. Change the configuration in values.yaml:

    • Enable Minio
    minio:
  enabled: true

To grant access to S3 via an IAM role without providing credentials:

  1. Provision an IAM role, policy and S3 bucket as described in [Storage]({{<relref "../../../storage/#aws-deployment-s3-single-store">}}).

    • If the Terraform module was used note the annotation emitted by terraform output -raw annotation.

  2. Add the IAM role annotation to the service account in values.yaml:

    serviceAccount:
  annotations:
    "eks.amazonaws.com/role-arn": "arn:aws:iam::<account id>:role/<role name>:

  3. Configure the storage:

    loki:
  storage:
    type: "s3"
    s3:
      region: eu-central-1
    bucketNames:
      chunks: <bucket name>
      ruler: <bucket name>
      admin: <bucket name>

    Note that endpoint, secretAccessKey and accessKeyId have been omitted.