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To enable authentication for ingestion, follow these 3 steps. For step 2 choose the section relevant to the agents being used.

Step 1. Generate AUTH_TOKEN

Generate an auth token (referred to as AUTH_TOKEN) and store this value in a safe location. You will need to use this later in more than one place.

AUTH_TOKEN=`cat /dev/urandom | env LC_ALL=C tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1`

Base64 encode the AUTH_TOKEN (referred to as AUTH_TOKEN_ENCODED ) 

AUTH_TOKEN_ENCODED=`echo -n $AUTH_TOKEN | base64`

Step 2. Configure Telemetry agents/sources

Follow instructions for the corresponding sources below.

  1. Prometheus Remote Write

  2. Fluent Bit

  3. Fluentd

  4. Filebeat

  5. OLTP Collector for Metrics/Logs/Traces

  6. Datadog/Kfuse agent

  7. AWS CloudWatch metrics & Logs (Kinesis)

  8. AWS Eventbridge Events

Prometheus Remote Write

Update prometheus remote write configuration as shown below:

    prometheus.yml:
      remote_write:
      - url: https://<customer>.kloudfuse.io/ingester/write
        authorization:
          credentials: <AUTH_TOKEN>

Fluent Bit

Update/Add the following Headers field with AUTH_TOKEN replaced with the one generated in step 1, in the HTTP plugin section of the fluent-bit configuration file as shown below:

    [OUTPUT]
        Name http
        Match <match_pattern>
        Host <kfuse_ingress_ip>
        Port 443
        TLS on
        URI /ingester/v1/fluent_bit
        Headers Kf-Api-Key <AUTH_TOKEN>

Fluentd

Update/Add the fluentd output http plugin configuration to add a “headers" field as described below using the Kf-Api-Key and AUTH_TOKEN:

<match *> # Match everything
  @type http
  endpoint http://<KFUSE_INGESTER_IP>:80/ingester/v1/fluentd
  headers {"Kf-Api-Key" : "<AUTH_TOKEN>"}
  ...
</match>

Filebeat

Update/Add the filebeat configuration to include the api_key field within the output section: 

output.elasticsearch: 
  hosts: ["http://<ingress-ip>:80/ingester/api/v1/filebeat"]
  api_key: "<AUTH_TOKEN>"

OLTP Collector for Metrics/Logs/Traces

Update/Add following headers section in the exporters section.

exporters:
  otlphttp:
    endpoint: https://<ingress-address>/ingester/otlp/metrics
    traces_endpoint: https://<ingress-address>/ingester/otlp/traces
    headers:
      kf-api-key: <AUTH_TOKEN>

DD/Kfuse agent

Update/Add the dd-agent configuration file to add the AUTH_TOKEN as the apiKey as shown below:

datadog:
  apiKey: <AUTH_TOKEN>
  ...

AWS CloudWatch metrics & Logs (Kinesis)

When configuring kinesis firehose data stream to send logs/metrics from Cloudwatch, use the AUTH_TOKEN value generated in step 1 as the access token. If the firehose data stream is already setup, then update it to use AUTH_TOKEN value as access token.

AWS Eventbridge Events

When configuring Eventbridge to ingest to Kloudfuse, use AUTH_TOKEN as the value for the Kf_Api_Key.

Step 3: Configure kfuse

Use the base64 encoded value of the AUTH_TOKEN (AUTH_TOKEN_ENCODED) and create a kubernetes secret with the name kfuse-auth-ingest:

apiVersion: v1
kind: Secret
metadata:  
  name: kfuse-auth-ingest
type: Opaque
data:
  authToken: <AUTH_TOKEN_ENCODED>

Update the custom-values.yaml file to include following in the ingester config section:

ingester:
  config:
    authConfig:
      enabled: true
      authToken: kfuse-auth-ingest
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