# Copyright 2019 The Knative Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

apiVersion: v1
kind: ConfigMap
metadata:
  name: config-tracing
  namespace: knative-serving
  labels:
    serving.knative.dev/release: devel

data:
  _example: |
    ################################
    #                              #
    #    EXAMPLE CONFIGURATION     #
    #                              #
    ################################

    # This block is not actually functional configuration,
    # but serves to illustrate the available configuration
    # options and document them in a way that is accessible
    # to users that `kubectl edit` this config map.
    #
    # These sample configuration options may be copied out of
    # this example block and unindented to be in the data block
    # to actually change the configuration.
    #
    # If true we enable adding spans within our applications.
    enable: "false"

    # URL to zipkin collector where traces are sent.
    zipkin-endpoint: "http://zipkin.istio-system.svc.cluster.local:9411/api/v2/spans"

    # Enable zipkin debug mode. This allows all spans to be sent to the server
    # bypassing sampling.
    debug: "false"

    # Percentage (0-1) of requests to trace
    sample-rate: "0.1"

