[JAMES-2563] Additional guice HealthChecks for core and optional components

• Type: New Feature
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: guice
• Labels: feature newbie
• Assignee: Unassigned
• Reporter: Benoit Tellier
• Created: 16/Oct/18 02:55
• Updated: 01/Oct/19 02:19

Description

We recently introduced heathChecks, allowing to test the health of a component.

Results are aggregated and exposed over WebAdmin.

As of today, only 2 health checks are implemented: Guice (stop/start) and RabbitMQ

We would need health checks for other components, including:

Critical services (if they are failing the service is unhealthy)

• Cassandra
• ElasticSearch
• JPA

Optional services (if they are failing, the service is degraded)

• Tika
• SpamAssassin

In order to test these services, we need to execute some sample requests.

We would also need to bind these health-checks in guice products where appropriate.

Please open a separate pull request per health check...

We do stay at your full disposal on Gitter to answer related questions (https://gitter.im/apache/james-project)