A simple Gerrit plugin that allows the publishing of certain Gerrit events to a configured Slack Webhook URL. The plugin uses Gerrit's inherited project configuration support so common config options can be set at a higher level and shared by many projects along with project specific config options.
cd ./slack-integration mvn install
This command will compile/test and package the resulting artifact.
cd ./slack-integration mvn package
Once packaged, you can install the ./target/slack-integration.jar file into Gerrit.
Installing the Slack Integration Plugin is as simple as copying the resulting JAR file into the Gerrit plugins directory. Assuming you installation of Gerrit is located at /usr/local/gerrit you simply execute the following.
cp ./slack-integration.jar /usr/local/gerrit/plugins
Simple substitute the path to your Gerrit plugins directory as needed. Gerrit automatically loads new plugins and unloads old plugins, no restart is required.
The first thing you need to do is setup an incoming webhook integration in Slack. This is done via my.slack.com - Configure Integrations.
Configuration of the Slack Integration Plugin is done in Gerrit via a project specific config file. This configuration is stored in the project’s project.config file on the refs/meta/config branch of the project.
Common configuration options that can be shared between multiple projects can be placed in the All-Projects config branch, or another project that serves as an inherited base. Config options can then be overridden in the actual project's config branch. For example, you may want to specify a default webhook URL, username and channel then override the channel to be specific to each project.
Editing a project's config
mkdir <project>-config cd <project>-config git init git remote add origin ssh://<admin-user>@<gerrit-host>:29418/<project> git fetch origin refs/meta/config:refs/remotes/origin/meta/config git checkout meta/config
Create the following config block
vi project.config [plugin "slack-integration"] enabled = true webhookurl = https://<web-hook-url> channel = general username = gerrit ignore = "^WIP.*"
Commit and push changes
git commit -a git push origin meta/config:meta/config
The following configuration options are available
enabled – boolean (true/false) When true, enables Slack integration (defaults to false). webhookurl - String The Slack webhook URL to publish to (defaults to an empty string). channel - String The Slack channel to publish to (defaults to "general"). username - String The Slack username to publish as (defaults to "gerrit"). ignore - Pattern A "dotall" enabled regular expression pattern that, when matches against a commit message, will prevent the publishing of patchset created event messages (defaults to an empty string). publish-on-patch-set-created - boolean (true/false) Whether a Slack notification should be published when a new patch set is created. publish-on-change-merged - boolean (true/false) Whether a Slack notification should be published when a change is merged. publish-on-comment-added - boolean (true/false) Whether a Slack notification should be published when a comment is added to a review. publish-on-reviewer-added - boolean (true/false) Whether a Slack notification should be published when a reviewer is added to a review.