micro.conf

# Copyright (c) 2013-2019 Snowplow Analytics Ltd. All rights reserved.
#
# This program is licensed to you under the Apache License Version 2.0, and
# you may not use this file except in compliance with the Apache License
# Version 2.0.  You may obtain a copy of the Apache License Version 2.0 at
# http://www.apache.org/licenses/LICENSE-2.0.
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the Apache License Version 2.0 is distributed on an "AS
# IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.  See the Apache License Version 2.0 for the specific language
# governing permissions and limitations there under.

# This file (application.conf.example) contains a template with
# configuration options for the Scala Stream Collector.
#
# To use, copy this to 'application.conf' and modify the configuration options.

# 'collector' contains configuration options for the main Scala collector.
collector {
  # The collector runs as a web service specified on the following interface and port.
  interface = "0.0.0.0"
  port = "9090"

  # Configure the P3P policy header.
  p3p {
    policyRef = "/w3c/p3p.xml"
    CP = "NOI DSP COR NID PSA OUR IND COM NAV STA"
  }

  # Cross domain policy configuration.
  # If "enabled" is set to "false", the collector will respond with a 404 to the /crossdomain.xml
  # route.
  crossDomain {
    enabled = false
    # Domains that are granted access, *.acme.com will match http://acme.com and http://sub.acme.com
    domains = [ "*" ]
    # Whether to only grant access to HTTPS or both HTTPS and HTTP sources
    secure = true
  }

  # The collector returns a cookie to clients for user identification
  # with the following domain and expiration.
  cookie {
    enabled = true
    expiration = "365 days" # e.g. "365 days"
    # Network cookie name
    name = "snowplow-micro"
    # The domain is optional and will make the cookie accessible to other
    # applications on the domain. Comment out this line to tie cookies to
    # the collector's full domain
    domain = ""
  }

  # If you have a do not track cookie in place, the Scala Stream Collector can respect it by
  # completely bypassing the processing of an incoming request carrying this cookie, the collector
  # will simply reply by a 200 saying "do not track".
  # The cookie name and value must match the configuration below, where the names of the cookies must
  # match entirely and the value could be a regular expression.
  doNotTrackCookie {
    enabled = false
    name = ""
    value = ""
  }

  # When enabled and the cookie specified above is missing, performs a redirect to itself to check
  # if third-party cookies are blocked using the specified name. If they are indeed blocked,
  # fallbackNetworkId is used instead of generating a new random one.
  cookieBounce {
    enabled = false
    # The name of the request parameter which will be used on redirects checking that third-party
    # cookies work.
    name = "n3pc"
    # Network user id to fallback to when third-party cookies are blocked.
    fallbackNetworkUserId = ""
    # Optionally, specify the name of the header containing the originating protocol for use in the
    # bounce redirect location. Use this if behind a load balancer that performs SSL termination.
    # The value of this header must be http or https. Example, if behind an AWS Classic ELB.
    forwardedProtocolHeader = "X-Forwarded-Proto"
  }

  # When enabled, the redirect url passed via the `u` query parameter is scanned for a placeholder
  # token. All instances of that token are replaced withe the network ID. If the placeholder isn't
  # specified, the default value is `${SP_NUID}`.
  redirectMacro {
    enabled = false
    # Optional custom placeholder token (defaults to the literal `${SP_NUID}`)
    placeholder = "[TOKEN]"
  }

  # Customize response handling for requests for the root path ("/").
  # Useful if you need to redirect to web content or privacy policies regarding the use of this collector.
  rootResponse {
    enabled = false
    statusCode = 302
    # Optional, defaults to empty map
    headers = {
      Location = "",
      X-Custom = ""
    }
    # Optional, defaults to empty string
    body = "302, redirecting"
  }

  # Configuration related to CORS preflight requests
  cors {
    # The Access-Control-Max-Age response header indicates how long the results of a preflight
    # request can be cached. -1 seconds disables the cache. Chromium max is 10m, Firefox is 24h.
    accessControlMaxAge = 5 seconds
  }

  # Configuration of prometheus http metrics
  prometheusMetrics {
    # If metrics are enabled then all requests will be logged as prometheus metrics
    # and '/metrics' endpoint will return the report about the requests
    enabled = false
    # Custom buckets for http_request_duration_seconds_bucket duration metric
    #durationBucketsInSeconds = [0.1, 3, 10]
    #durationbucketsInSeconds = ${?COLLECTOR_PROMETHEUS_METRICS_DURATION_BUCKETS_IN_SECONDS}
  }

  # Configuration of prometheus http metrics
  prometheusMetrics {
    # If metrics are enabled then all requests will be logged as prometheus metrics
    # and '/metrics' endpoint will return the report about the requests
    enabled = false
    # Custom buckets for http_request_duration_seconds_bucket duration metric
    #durationBucketsInSeconds = [0.1, 3, 10]
  }

  streams {
    # Events which have successfully been collected will be stored in the good stream/topic
    good = ""

    # Events that are too big (w.r.t Kinesis 1MB limit) will be stored in the bad stream/topic
    bad = ""

    # Whether to use the incoming event's ip as the partition key for the good stream/topic
    # Note: Nsq does not make use of partition key.
    useIpAddressAsPartitionKey = false

    # Enable the chosen sink by uncommenting the appropriate configuration
    sink {
      # Choose between kinesis, googlepubsub, kafka, nsq, or stdout.
      # To use stdout, comment or remove everything in the "collector.streams.sink" section except
      # "enabled" which should be set to "stdout".
      enabled = stdout
    }

    # Incoming events are stored in a buffer before being sent to Kinesis/Kafka.
    # Note: Buffering is not supported by NSQ.
    # The buffer is emptied whenever:
    # - the number of stored records reaches record-limit or
    # - the combined size of the stored records reaches byte-limit or
    # - the time in milliseconds since the buffer was last emptied reaches time-limit
    buffer {
      byteLimit = 100000
      recordLimit = 40
      timeLimit = 1000
    }
  }
}

# Akka has a variety of possible configuration options defined at
# http://doc.akka.io/docs/akka/current/scala/general/configuration.html
akka {
  loglevel = DEBUG # 'OFF' for no logging, 'DEBUG' for all logging.
  loglevel = ${?AKKA_LOGLEVEL}
  loggers = ["akka.event.slf4j.Slf4jLogger"]
  loggers = [${?AKKA_LOGGERS}]

  # akka-http is the server the Stream collector uses and has configurable options defined at
  # http://doc.akka.io/docs/akka-http/current/scala/http/configuration.html
  http.server {
    # To obtain the hostname in the collector, the 'remote-address' header
    # should be set. By default, this is disabled, and enabling it
    # adds the 'Remote-Address' header to every request automatically.
    remote-address-header = on

    raw-request-uri-header = on

    # Define the maximum request length (the default is 2048)
    parsing {
      max-uri-length = 32768
      uri-parsing-mode = relaxed
    }
  }
}