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Janus Manual
  • Introduction
  • Installation
    • Docker
  • Quick Start
    • Authenticating
    • Add an endpoint
    • Modify (Update/Delete) an endpoint
    • Add Plugins
    • Authentication
    • Adding your API - File System
  • Clustering/HA
  • Proxy Reference
    • Terminology
    • Overview
    • Routing capabilities
    • Load Balacing
    • Request Host header
      • Using wildcard hostnames
      • The preserve_host property
    • Request URI
      • The strip_path property
      • The append_path property
    • Request HTTP method
    • Routing priorities
    • Conclusion
  • Plugins
    • Basic
    • Organization
    • Body Limit
    • Circuit Breaker
    • Compression
    • CORS
    • OAuth
    • Rate Limit
    • Request Transformer
    • Response Transformer
    • Retry
  • Auth
    • OAuth 2.0
  • Misc
    • Health Checks
    • Monitoring
    • Tracing
  • Known Issues
    • Stale HTTP Keep-Alive
  • Upgrade Notes
    • 2.x to 3.x
    • 3.6.x to 3.7.x
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  1. Misc

Monitoring

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Last updated 4 years ago

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Janus uses to collect and export metrics. OpenCensus supports several exporters, which are:

  • Datadog

  • Prometheus

  • Stackdriver

Currently only Prometheus exporter is available in Janus.

This can be configured via the configuration file or environment variable:

# Stats / Metric Collection

[stats]
  # Backend system used to export collected metrics
  #
  # Valid Values: "datadog", "prometheus", or "stackdriver"
  #
  # Default: None
  #
  Exporter: "prometheus"

The following feature is deprecated and it is planned for removal.

Janus monitoring is built on top of library. You can configure it with the following env variables:

  • STATS_DSN (default log://) - DSN of stats backend

STATS_IDS - second level ID list for URLs to generalise metric names, see details in

STATS_AUTO_DISCOVER_THRESHOLD - threshold for second level IDs autodiscovery, see details in

STATS_AUTO_DISCOVER_WHITE_LIST - white list for second level IDs autodiscovery, see details in

STATS_ERRORS_SECTION (default error-log) - section for error logs monitoring, see details in

OpenCensus
hellofresh/stats-go
Generalise resources by type and stripping resource ID
Generalise resources by type and stripping resource ID
Generalise resources by type and stripping resource ID
Usage for error logs monitoring