tracker/dist/example_config.yaml

chihaya:
  # The interval communicated with BitTorrent clients informing them how
  # frequently they should announce in between client events.
  announce_interval: 30m

  # The interval communicated with BitTorrent clients informing them of the
  # minimal duration between announces.
  min_announce_interval: 15m

  # The network interface that will bind to an HTTP endpoint that can be
  # scraped by programs collecting metrics.
  # 
  # /metrics serves metrics in the Prometheus format
  # /debug/pprof/{cmdline,profile,symbol,trace} serves profiles in the pprof format
  metrics_addr: "0.0.0.0:6880"

  # This block defines configuration for the tracker's HTTP interface.
  # If you do not wish to run this, delete this section.
  http:
    # The network interface that will bind to an HTTP server for serving
    # BitTorrent traffic. Remove this to disable the non-TLS listener.
    addr: "0.0.0.0:6969"

    # The network interface that will bind to an HTTPS server for serving
    # BitTorrent traffic. If set, tls_cert_path and tls_key_path are required.
    https_addr: ""

    # The path to the required files to listen via HTTPS.
    tls_cert_path: ""
    tls_key_path: ""

    # The timeout durations for HTTP requests.
    read_timeout: 5s
    write_timeout: 5s

    # When true, persistent connections will be allowed. Generally this is not
    # useful for a public tracker, but helps performance in some cases (use of
    # a reverse proxy, or when there are few clients issuing many requests).
    enable_keepalive: false
    idle_timeout: 30s

    # Whether to time requests.
    # Disabling this should increase performance/decrease load.
    enable_request_timing: false

    # An array of routes to listen on for announce requests. This is an option
    # to support trackers that do not listen for /announce or need to listen
    # on multiple routes.
    #
    # This supports named parameters and catch-all parameters as described at
    # https://github.com/julienschmidt/httprouter#named-parameters
    announce_routes:
      - "/announce"
      # - "/announce.php"

    # An array of routes to listen on for scrape requests. This is an option
    # to support trackers that do not listen for /scrape or need to listen
    # on multiple routes.
    #
    # This supports named parameters and catch-all parameters as described at
    # https://github.com/julienschmidt/httprouter#named-parameters
    scrape_routes:
      - "/scrape"
      # - "/scrape.php"

    # When enabled, the IP address used to connect to the tracker will not
    # override the value clients advertise as their IP address.
    allow_ip_spoofing: false

    # The HTTP Header containing the IP address of the client.
    # This is only necessary if using a reverse proxy.
    real_ip_header: "x-real-ip"

    # The maximum number of peers returned for an individual request.
    max_numwant: 100

    # The default number of peers returned for an individual request.
    default_numwant: 50

    # The maximum number of infohashes that can be scraped in one request.
    max_scrape_infohashes: 50

  # This block defines configuration for the tracker's UDP interface.
  # If you do not wish to run this, delete this section.
  udp:
    # The network interface that will bind to a UDP server for serving
    # BitTorrent traffic.
    addr: "0.0.0.0:6969"

    # The leeway for a timestamp on a connection ID.
    max_clock_skew: 10s

    # The key used to encrypt connection IDs.
    private_key: "paste a random string here that will be used to hmac connection IDs"

    # Whether to time requests.
    # Disabling this should increase performance/decrease load.
    enable_request_timing: false

    # When enabled, the IP address used to connect to the tracker will not
    # override the value clients advertise as their IP address.
    allow_ip_spoofing: false

    # The maximum number of peers returned for an individual request.
    max_numwant: 100

    # The default number of peers returned for an individual request.
    default_numwant: 50

    # The maximum number of infohashes that can be scraped in one request.
    max_scrape_infohashes: 50


  # This block defines configuration used for the storage of peer data.
  storage:
    name: memory
    config:
      # The frequency which stale peers are removed.
      # This balances between
      # - collecting garbage more often, potentially using more CPU time, but potentially using less memory (lower value)
      # - collecting garbage less frequently, saving CPU time, but keeping old peers long, thus using more memory (higher value).
      gc_interval: 3m

      # The amount of time until a peer is considered stale.
      # To avoid churn, keep this slightly larger than `announce_interval`
      peer_lifetime: 31m

      # The number of partitions data will be divided into in order to provide a
      # higher degree of parallelism.
      shard_count: 1024

      # The interval at which metrics about the number of infohashes and peers
      # are collected and posted to Prometheus.
      prometheus_reporting_interval: 1s

  # This block defines configuration used for redis storage.
  # storage:
  #   name: redis
  #   config:
  #     # The frequency which stale peers are removed.
  #     # This balances between
  #     # - collecting garbage more often, potentially using more CPU time, but potentially using less memory (lower value)
  #     # - collecting garbage less frequently, saving CPU time, but keeping old peers long, thus using more memory (higher value).
  #     gc_interval: 3m

  #     # The interval at which metrics about the number of infohashes and peers
  #     # are collected and posted to Prometheus.
  #     prometheus_reporting_interval: 1s

  #     # The amount of time until a peer is considered stale.
  #     # To avoid churn, keep this slightly larger than `announce_interval`
  #     peer_lifetime: 31m

  #     # The address of redis storage.
  #     redis_broker: "redis://pwd@127.0.0.1:6379/0"

  #     # The timeout for reading a command reply from redis.
  #     redis_read_timeout: 15s

  #     # The timeout for writing a command to redis.
  #     redis_write_timeout: 15s

  #     # The timeout for connecting to redis server.
  #     redis_connect_timeout: 15s

  # This block defines configuration used for middleware executed before a
  # response has been returned to a BitTorrent client.
  prehooks:
  #- name: jwt
  #  options:
  #    issuer: "https://issuer.com"
  #    audience: "https://chihaya.issuer.com"
  #    jwk_set_url: "https://issuer.com/keys"
  #    jwk_set_update_interval: 5m

  #- name: client approval
  #  options:
  #    whitelist:
  #    - "OP1011"
  #    blacklist:
  #    - "OP1012"

  #- name: interval variation
  #  options:
  #    modify_response_probability: 0.2
  #    max_increase_delta: 60
  #    modify_min_interval: true

  # This block defines configuration used for torrent approval, it requires to be given
  # hashes for whitelist or for blacklist. Hashes are hexadecimal-encoaded.
  #- name: torrent approval
  #  options:
  #    whitelist:
  #    - "a1b2c3d4e5a1b2c3d4e5a1b2c3d4e5a1b2c3d4e5"
  #    blacklist:
  #    - "e1d2c3b4a5e1b2c3b4a5e1d2c3b4e5e1d2c3b4a5"