[cloudflarereceiver] Internal metrics not generated

[panys9]

Component(s)

receiver/cloudflare

What happened?

Description

The internal metrics from the receiver is not generated when getting traffic.

otelcol_receiver_accepted_log_records
otelcol_receiver_refused_log_records

Steps to Reproduce

Start the collector with the cloudflare receiver and generate some traffic to it

Expected Result

Internal metrics should be generated to understand if the receiver handles the traffic

Actual Result

No metrics

Collector version

v0.121.0

Environment information

Environment

OS: (e.g., "Ubuntu 20.04")
Compiler(if manually compiled): (e.g., "go 14.2")

OpenTelemetry Collector configuration

exporters:
  otlp:
    endpoint: MY_BACKEND
extensions:
  health_check:
    endpoint: ${env:MY_POD_IP}:13133
processors:
  batch: {}
  memory_limiter:
    check_interval: 1s
    limit_percentage: 80
    spike_limit_percentage: 20
  resource:
    attributes:
      - action: insert
        key: deployment.environment.name
        value: dev
      - action: insert
        key: service.version
        value: 0.1.0
  transform/cloudflare:
    error_mode: ignore
    log_statements:
      - context: log
      statements:
        - merge_maps(cache, body, "upsert") where IsMatch(body, "^\\{")
        - set(attributes, cache)
        - set(time_unix_nano, Int(attributes["EdgeStartTimestamp"])) where attributes["EdgeStartTimestamp"]
            != ""
        - set(time_unix_nano, Int(attributes["Datetime"])) where attributes["Datetime"]
            != ""
        - replace_all_patterns(attributes, "key", "^(.*)$", "cloudflare.$$1")
        - set(trace_id.string, Substring(attributes["cloudflare.RequestHeaders_traceparent"],
            3, 32)) where IsMatch(attributes["cloudflare.RequestHeaders_traceparent"],
            "^[0-9a-f]{2}-[0-9a-f]{32}-[0-9a-f]{16}-[0-9a-f]{2}$")
        - set(attributes["cloudflare.Kind"], "http") where attributes["cloudflare.Kind"]
            != "firewall"
        - set(body, Concat(["cloudflare_http_request", attributes["cloudflare.RayID"]],
            "_")) where IsMatch(attributes["cloudflare.Kind"], "^(http)$")
        - set(body, Concat(["cloudflare_firewall_event", attributes["cloudflare.RayID"]],
            "_")) where IsMatch(attributes["cloudflare.Kind"], "^(firewall)$")
receivers:
  cloudflare:
    logs:
      endpoint: ${env:MY_POD_IP}:4318
      secret: ${env:MY_SECRET}
service:
  extensions:
    - health_check
  pipelines:
    logs:
      exporters:
        - otlp
      processors:
        - memory_limiter
        - transform/cloudflare
        - batch
        - resource
      receivers:
        - cloudflare
  telemetry:
    metrics:
      readers:
        - periodic:
            exporter:
              otlp:
                endpoint: <gateway>
                protocol: grpc
            interval: 10000
    resource:
      deployment.environment.name: dev

Log output

Additional context

No response

[github-actions]

Pinging code owners:

• receiver/cloudflare: @dehaansa

See Adding Labels via Comments if you do not have permissions to add labels yourself.

[dehaansa]

Thanks for reporting this issue.

This should be relatively straightforward for anyone interested to implement, just look at uses of receiverhelper.ObsReport from other receivers.