로그 수집기에서 Loki로 로그 전송하기

vector

• Vector Loki Sink

Fluent Bit

• https://docs.fluentbit.io/manual/pipeline/outputs/loki

fluent-bit-values.yaml

env:
  - name: LOKI_HOST
    value: loki-gateway.loki.svc
  - name: LOKI_PORT
    value: "80"

config:
  # indent를 4칸으로 맞춰야 합니다.
  outputs: |
    [OUTPUT]
        name        loki
        match       *
        host        ${LOKI_HOST}
        port        ${LOKI_PORT}
        labels      job=fluent-bit
        label_keys  $tag
        Retry_Limit 5

Fluentd

• https://grafana.com/docs/loki/latest/clients/fluentd/

fluentd-values.yaml

plugins:
  - fluent-plugin-grafana-loki

env:
  - name: LOKI_HOST
    value: loki-gateway.loki.svc
  - name: LOKI_PORT
    value: "80"

fileConfigs:
  output-loki.conf: |
    <match **>
      @type loki
      url "http://#{ENV['LOKI_HOST']}:#{ENV['LOKI_PORT']}"
      insecure_tls true
      line_format json
      extra_labels {"job":"fluent-bit"}
      <label>
        tag $.tag
      </label>
      <buffer>
        flush_at_shutdown true
        flush_interval 5s
        flush_thread_count 4
        retry_max_interval 30s
      </buffer>
    </match>