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Elasticsearch Search Support

Version 2 supports Elasticsearch for searching catalogue elements. You can enable Elasticsearch in the mc-config.groovy configuration file. The first time you setup Elasticsearch for a given server you need to run the Reindex Catalogue global admin action (Ctrl+Space + Reindex Catalogue).

Running with Elasticsearch in Production

Configuring a Remote Instance

Running Elasticsearch on a separate server to the catalogue is preferred. There are various ways of telling the catalogue where to find it.

  • You can put the hostname, and optionally the port, in mc-config.groovy:
mc.search.elasticsearch.host = "192.168.1.123"
// Elasticsearch bind port, defaults to 9300
mc.search.elasticsearch.port = "9300"
  • You can also specify the host and port in the command line using Java properties of the same names on the command-line:

./gradlew -Pmc.search.elasticsearch.host=192.168.1.123

  • In Tomcat you can put these properties in catalina.properties as well.

If you need to configure additional Elasticsearch settings, such as cluster name, you can do this using a closure assigned to 'mc.search.elasticsearch.settings' in mc-config.groovy:

mc.search.elasticsearch.settings = {
    put 'some.value', 100
}

The closure delegates to the Settings.Builder class.

Configuring a Local Instance

A local instance of Elasticsearch will in the same JVM and requires a writable data directory to be configured:

mc.search.elasticsearch.local = "/full/path/to/data/dir"

Running with Elasticsearch Locally

There is new ./elasticsearch.sh script in the root of the project folder which launches Elasticsearch with Kibana and Sense. The script accepts three commands: start, stop and rm. You need to have Docker Toolbox installed to run this command.

Running a local Elasticsearch instance not recommended as it often causes memory crashes!

Running with Docker Container

Gradle script comes with two tasks to start and stop a preconfigured Elasticsearch instance in Docker:

  • startElasticsearchContainer
  • stopElasticsearchContainer

The application then can connect to it using following host and port: <docker host>:49300.

When you launch your applicaiton with ./gradlew runProd, this instance in Docker is used by default without any additional configuration needed.