# OpenTelemetry Collector configuration dedicated to the NeuroLink proxy.
#
# Active OpenObserve streams created by this setup:
#   - Logs:   neurolink_proxy
#   - Traces: neurolink_proxy
#   - Metrics: proxy_* (metric name becomes the stream)

receivers:
  otlp:
    protocols:
      grpc:
        endpoint: 0.0.0.0:4317
      http:
        endpoint: 0.0.0.0:4318

processors:
  memory_limiter:
    check_interval: 1s
    limit_mib: 512
    spike_limit_mib: 128

  batch:
    timeout: 1s
    send_batch_size: 1024
    send_batch_max_size: 2048

  filter/healthcheck:
    error_mode: ignore
    traces:
      span:
        - 'IsMatch(name, ".*health.*") or IsMatch(name, ".*healthz.*") or IsMatch(name, ".*ready.*")'

exporters:
  otlphttp/openobserve:
    endpoint: ${env:NEUROLINK_OPENOBSERVE_OTLP_ENDPOINT}
    headers:
      Authorization: ${env:NEUROLINK_OPENOBSERVE_BASIC_AUTH}
      stream-name: ${env:NEUROLINK_PROXY_STREAM_HEADER}
    tls:
      insecure: true
    retry_on_failure:
      enabled: true
      initial_interval: 1s
      max_interval: 30s
      max_elapsed_time: 0s
    sending_queue:
      enabled: true
      num_consumers: 4
      queue_size: 4096
      storage: file_storage

extensions:
  file_storage:
    directory: /var/lib/otelcol/storage
    create_directory: true
    compaction:
      directory: /var/lib/otelcol/compaction
      on_start: true
      on_rebound: true

  health_check:
    endpoint: 0.0.0.0:13133

  pprof:
    endpoint: 0.0.0.0:1777

service:
  extensions: [file_storage, health_check, pprof]

  pipelines:
    traces:
      receivers: [otlp]
      processors: [memory_limiter, filter/healthcheck, batch]
      exporters: [otlphttp/openobserve]

    metrics:
      receivers: [otlp]
      processors: [memory_limiter, batch]
      exporters: [otlphttp/openobserve]

    logs:
      receivers: [otlp]
      processors: [memory_limiter, batch]
      exporters: [otlphttp/openobserve]

  telemetry:
    logs:
      level: info
    metrics:
      level: detailed
      readers:
        - pull:
            exporter:
              prometheus:
                host: "0.0.0.0"
                port: 8888