The Booster Catalog used by
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Booster Catalog

Set of known example applications (Boosters) conforming to the minimal set of requirements necessary to be served by


The repository has a metadata.yaml file in the root containing a list of the supported missions and runtimes along with their human-readable names and other information. The basic format is like this:

- id: crud
  name: CRUD
- id: circuit-breaker
  name: Circuit Breaker
- id: vert.x
  name: Eclipse Vert.x
  icon: data:image/svg+xml;...
    pipelinePlatform: maven
  - id: redhat
    name: 3.4.2.redhat-006 (RHOAR)
  - id: community
    name: 3.5.0.Final (Community)

Where you have a list of missions and a list of runtimes and each runtime has a list of versions. Each of those can have the following standard attributes:

Name Description
id The id of the mission, runtime or version. Must coincide with the folder name
name The name of the mission, runtime or version as shown in the UI
description (Optional) A longer description for the mission, runtime or version
icon (Optional) The icon to be shown in the UI (only for runtimes)
metadata (Optional) A free section where booster authors can put their own information which will be passed on to REST endpoints and the UI

Known entries for the metadata section are:

Path Description
pipelinePlatform (Optional) The Jenkins pipeline template to use for the boosters (only for runtimes)
suggested (Optional) Will be marked in the UI as a suggested option
prerequisite (Optional) The UI will mark this booster as needing special attention from the user

IMPORTANT: If a new mission or runtime is introduced, you MUST change the metadata.yaml file too.

Catalog structure

This repository is organized by {runtime}/{version}/{mission}/booster.yaml. Regardless if your booster supports runtime versions or not you'll have to specify at least a single {version} folder. If you don't know what to call it use default.

Booster descriptor

For each Booster, create a YAML file in the respective {mission}/{runtime}/{version} directory named booster.yaml (it can have other names, but it should at least end with booster.yaml). In it should be the following information:

Name Description
name The name of the Booster
description (Optional) A longer description for the Booster
ignore (Optional) Set this to "true" to have the Booster be ignored by the Launcher
source/git/url The Git repository location URL
source/git/ref The Git reference (tag/branch/SHA1)
environment (Optional) The configuration for this booster in a specific environment to be overriden from the default configuration
metadata (Optional) A free section where booster authors can put their own information which will be passed on to REST endpoints and the UI

A note about environments:

Known entries for the metadata section are:

Path Description
app/launcher/enabled (Optional) Determines if the booster should be shown in OSIO (defaults to true)
app/launcher/runsOn (Optional) A single cluster type or a list of cluster types where this booster can run. A type can be prefixed with ! to negate the option: the booster will not run on clusters of that type. Special values all and none indicate the booster will run everywhere or nowhere respectively. Important: when using the ! to negate you must surround it and the cluster type name with double quotes.
app/osio/enabled (Optional) Determines if the booster should be shown in OSIO (defaults to true)
buildProfile (Optional) The Maven profile that should be activated in the booster's pom.xml file

Common values for runsOn

The values you put on runsOn will depend on the same values configured in the type tag inside the openshift-clusters.yaml in the launcher-backend installation, with the exception of the local value (which is a special case when the launcher-backend installation is configured to use the same cluster as it is deployed). Common used values are:

  • local: If this booster only runs in the local OpenShift cluster;
  • starter: If this booster runs in a Starter cluster;
  • pro: If this booster runs in a Pro cluster;
  • none: If this booster should only be available as a ZIP download.

Common values

Often separate Boosters will share the same information. For example both the community and officially supported versions of a Booster will most likely have the same name and description. To avoid duplication you can put those items in a common.yaml file instead. When the Launcher encounters a common.yaml file in the catalog all Boosters in the same folder and in all sub folders will be based on the information found in that file. The file can contain the exact same information as a booster.yaml file. Any information in the booster.yaml files will merge with or overwrite the information found in the common.yaml file. Application of common.yaml files is recursive, so common.yaml files in sub folders will overwrite values found in common.yaml files in parent folders.

Additional information

For a more in-depth explanation on how to create a Booster Catalog see HOWTO Create a Booster-Catalog or how to declare runtime versions HOWTO Add Runtime Versions to Boosters