loki-values-example

gistfile1.txt

data "template_file" "${eks_region_k}_${eks_name}_loki" {
  template = <<EOT
loki:
  enabled: true
  isDefault: false

  updateStrategy:
    type: RollingUpdate

  persistence:
    enabled: true
    accessModes:
    - ReadWriteOnce
    size: 10Gi

  config:
    auth_enabled: false
    ingester:
      chunk_idle_period: 3m
      chunk_block_size: 262144
      chunk_retain_period: 1m
      max_transfer_retries: 0
      lifecycler:
        ring:
          kvstore:
            store: inmemory
          replication_factor: 1
  
    limits_config:
      enforce_metric_name: false
      reject_old_samples: true
      reject_old_samples_max_age: 720h
    schema_config:
      configs:
      - from: 2022-01-11
        store: boltdb-shipper
        object_store: s3
        schema: v12
        index:
          prefix: index_
          period: 24h
    storage_config:
      aws:
        # S3 or S3-compatible URL to connect to. If only region is specified as a
        # host, the proper endpoint will be deduced. Use inmemory:///<bucket-name> to
        # use a mock in-memory implementation.
        s3: s3://${eks_region_k}/${local.config.general.env-short}-${eks_region_k}-${eks_name}-loki
        # Set to true to force the request to use path-style addressing
        s3forcepathstyle: false
        bucketnames: ${local.config.general.env-short}-${eks_region_k}-${eks_name}-loki
        insecure: false
      boltdb_shipper:
        shared_store: s3
        cache_ttl: 24h
    chunk_store_config:
      max_look_back_period: 720h
    table_manager:
      retention_deletes_enabled: true
      retention_period: 720h

    memberlist:
      bind_addr:
        - $MY_POD_IP

  extraArgs:
    config.expand-env: true

  # Extra env variables to pass to the loki container
  env:
    - name: MY_POD_IP
      valueFrom:
        fieldRef:
          fieldPath: status.podIP
    - name: AWS_REGION
      valueFrom:
        secretKeyRef:
          name: loki-secrets
          key: AWS_REGION
    - name: AWS_ACCESS_KEY_ID
      valueFrom:
        secretKeyRef:
          name: loki-secrets
          key: AWS_ACCESS_KEY_ID
    - name: AWS_SECRET_ACCESS_KEY
      valueFrom:
        secretKeyRef:
          name: loki-secrets
          key: AWS_SECRET_ACCESS_KEY

promtail:
  enabled: true
  pipelineStages:
  - match:
      selector: '{namespace!=""} |~ ".*kube-probe/.*" !~ ".*stdout F $"'
EOT
  vars = {
    clusterName = jsondecode(var.eks_clusters_json).eks_cluster_${eks_region_k}_${eks_name}.eks_info.eks_cluster_id
  }
}