Add publisher metrics

Currently only subscriber metrics are supported in kafka-events plugin.
Producer metrics are handled in multi-site plugin. Producer async mode
caused regression because we handle issues with sending in the callback.
To record proper metrics for message producer add the metrics code from
to kafka-events.

Feature: Issue 12727
Change-Id: Ie81196e4f598466c670a486f0597c01a6761cd93
6 files changed
tree: bfa00446489cf3e3b12db0929a8c5bd1ca7f8916
  1. src/
  2. BUILD
  3. external_plugin_deps.bzl
  4. LICENSE
  5. README.md
README.md

Kafka: Gerrit event producer for Apache Kafka

Build Status

Synopsis

This plugins allows to define a distributed stream of events published by Gerrit.

Events can be anything, from the traditional stream events to the Gerrit metrics.

This plugin requires Gerrit 2.13 or laster.

Environments

  • linux
  • java-1.8
  • Bazel

Build

Kafka plugin can be build as a regular ‘in-tree’ plugin. That means that is required to clone a Gerrit source tree first and then to have the Kafka plugin source directory into the /plugins path. Additionally, the plugins/external_plugin_deps.bzl file needs to be updated to match the Kafka plugin one.

git clone --recursive https://gerrit.googlesource.com/gerrit
git clone https://gerrit.googlesource.com/plugins/kafka-events gerrit/plugins/kafka-events
cd gerrit
rm plugins/external_plugin_deps.bzl
ln -s ./kafka-events/external_plugin_deps.bzl plugins/.

To build the kafka-events plugins, issue the command from the Gerrit source path:

bazel build plugins/kafka-events

The output is created in

bazel-genfiles/plugins/kafka-events/kafka-events.jar

Minimum Configuration

Assuming a running Kafka broker on the same Gerrit host, add the following settings to gerrit.config:

  [plugin "kafka-events"]
    bootstrapServers = localhost:9092