cw-config.yaml

# OpenTelemetry Collector config for Flippy
#
# Receives metrics + traces from Flippy via gRPC/HTTP,
# exports to AWS CloudWatch (metrics) and X-Ray (traces) via OTLP endpoints.
#
# Prerequisites:
#   1. AWS credentials configured (~/.aws/credentials or env vars)
#   2. IAM policy: CloudWatchAgentServerPolicy attached to your user/role
#   3. Transaction Search enabled in X-Ray (for traces)
#
# Usage:
#   otelcol-contrib --config otel-collector-config.yaml
#
# Change AWS_REGION below to your region (e.g. eu-west-1, us-east-1).

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

processors:
  batch:
    send_batch_size: 200
    timeout: 10s

exporters:
  # Metrics → CloudWatch via OTLP
  otlphttp/metrics:
    tls:
      insecure: false
    endpoint: https://monitoring.${AWS_REGION}.amazonaws.com/
    auth:
      authenticator: sigv4auth/metrics

  # Traces → X-Ray via OTLP
  otlphttp/traces:
    compression: gzip
    traces_endpoint: https://xray.${AWS_REGION}.amazonaws.com/v1/traces
    auth:
      authenticator: sigv4auth/traces

extensions:
  sigv4auth/metrics:
    service: monitoring
    region: ${AWS_REGION}
  sigv4auth/traces:
    service: xray
    region: ${AWS_REGION}

service:
  telemetry:
    logs:
      level: debug
  extensions: [sigv4auth/metrics, sigv4auth/traces]
  pipelines:
    metrics:
      receivers: [otlp]
      processors: [batch]
      exporters: [otlphttp/metrics]
    traces:
      receivers: [otlp]
      processors: [batch]
      exporters: [otlphttp/traces]