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Version: 3.9.0

Install Grafana Loki

KubeRocketCI configures the logging with the help of Grafana Loki aggregation system.

Installation​

To install Loki, follow the steps below:

  1. Create logging namespace:

    kubectl create namespace logging
  2. Add a chart repository:

    helm repo add grafana https://grafana.github.io/helm-charts
    helm repo update
    note

    It is possible to use Amazon Simple Storage Service Amazon S3 as an object storage for Loki. To configure access, please refer to the IRSA for Loki documentation.

  3. Install Loki v.2.6.0:

    helm install loki grafana/loki \
    --version 2.6.0 \
    --values values.yaml \
    --namespace logging

    Check out the values.yaml file sample of the Loki customization:

    View: values.yaml
    image:
    repository: grafana/loki
    tag: 2.3.0
    config:
    auth_enabled: false
    schema_config:
    configs:
    - from: 2021-06-01
    store: boltdb-shipper
    object_store: s3
    schema: v11
    index:
    prefix: loki_index_
    period: 24h
    storage_config:
    aws:
    s3: s3://<AWS_REGION>/loki-<CLUSTER_NAME>
    boltdb_shipper:
    active_index_directory: /data/loki/index
    cache_location: /data/loki/boltdb-cache
    shared_store: s3
    chunk_store_config:
    max_look_back_period: 24h
    resources:
    limits:
    memory: "128Mi"
    requests:
    cpu: "50m"
    memory: "128Mi"
    serviceAccount:
    create: true
    name: edp-loki
    annotations:
    eks.amazonaws.com/role-arn: "arn:aws:iam::<AWS_ACCOUNT_ID>:role/AWSIRSA‹CLUSTER_NAME›‹LOKI_NAMESPACE›Loki
    persistence:
    enabled: false
  4. Configure custom bucket policy to delete the old data.