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Fabric8-Launcher Application

CircleCI Dependabot Status Project Chat

This is a Quarkus application exposing a Web front-end and several JAX-RS endpoints to handle launching of application into Openshift. This application collects from an end user the information needed to generate a Zip file containing a project populated for any runtime (see https://github.com/fabric8-launcher/launcher-booster-catalog for the full list).

The OpenAPI 3.0 descriptor for these services is available at https://editor.swagger.io/?url=https://forge.api.openshift.io/openapi

Chat

We're in ZulipChat! Join us now at https://launcher.zulipchat.com/

Contributions

Contributions are welcome!

Please read the Contributing Guide to help you make a great contribution.

Setting up the environment

  • You have to setup environment variables before you start the back-end.

You can source, or use as an example, the environment script template located there: ./launcher-env-template.sh

$ source ./launcher-env-template.sh

KeyCloak adds authentication to the Launcher and secures services with minimum fuss. No need to deal with storing users or authenticating users. It's all available out of the box. For development only, you can choose to work without KeyCloak by changing the option in the environment script. If you are not using KeyCloak, you can find information on how to setup your git providers default credentials.

IDE Setup

  • Immutables - Setup your IDE for dealing with generated immutable classes see the online documentation. You have to build the project at least once for the classes to be generated or you will still get errors in the IDE.

Build and Run the Application

  • First follow the environment setup instructions.

  • Build this project:

$ mvn clean install
  • Run:
$ java -jar web/target/launcher-runner.jar

Then follow the front-end README to run the front-end.

Running with Docker

  • First follow the environment setup instructions.

  • Build and run:

$ ./docker.sh

This will build and run a Docker image that will work in the same way as if you were running it locally. So the frontend can connect to it in the same way.

Build and Run the Unit Tests

$ mvn clean install

Build and Run the Unit and Integration Tests

  • First follow the environment setup instructions.

  • To build the project and run the integration tests, allowing Maven to start the server:

$ mvn clean install -Pit
  • To skip building and just run the integration tests, allowing Maven to start the server:
$ mvn integration-test -Pit

Reindex the booster catalog

Run the following command, replace TOKEN with the value defined in the environment variable LAUNCHER_BACKEND_CATALOG_REINDEX_TOKEN. Doesn't need to be specified if the environment variable doesn't exist in the running environment:

    $ curl -v -H "Content-Type: application/json" -d '{}' -X POST  https://localhost:8180/api/booster-catalog/reindex\?token\=TOKEN

Setup git providers default credentials (No KeyCloak mode)

GitHub

git config --global github.user "<replace with your github username>"
git config --global github.token "<replace with your github token>"

GitLab

git config --global gitlab.user "<replace with your gitlab username>"
git config --global gitlab.token "<replace with your gitlab token>"

BitBucket

  • Log into Bitbucket and generate an application password for use here: -- https://bitbucket.org/account/admin/app-passwords
    • Activate permissions:
      • Account: Email, Read
      • Team: Read
      • Projects: Read
      • Repositories: Read, Write, Admin, Delete
      • Pull requests: Read
      • Issue: Read
      • Webhook: Read and write
  • Run the following commands:
git config --global bitbucket.user "<replace with your github username>"
git config --global bitbucket.password "<replace with your bitbucket application password>"

Gitea

Launcher accesses Gitea using the Sudo feature, so make sure that the user referenced in the Authorization HTTP Header also exists in the Gitea server

Environment Description
LAUNCHER_GIT_PROVIDER The default Git provider to use, should be Gitea
LAUNCHER_BACKEND_GITEA_URL The URL where the Gitea server is running
LAUNCHER_BACKEND_GITEA_USERNAME The admin username
LAUNCHER_BACKEND_GITEA_TOKEN The admin access token

Filtering the booster catalog

This feature can be activated by providing the LAUNCHER_BOOSTER_CATALOG_FILTER env param/system property The script must evaluate to a boolean using the booster variable, that is an instance of RhoarBooster.

    $ export LAUNCHER_BOOSTER_CATALOG_FILTER=booster.mission.id === 'rest-http'

Examples:

  • booster.mission.id == 'rest-http': will return only HTTP Rest mission boosters
  • booster.runtime.id == 'spring-boot': returns only the Spring Boot boosters
  • booster.mission.id == 'rest-http' && booster.runtime.id == 'spring-boot': returns only HTTP Rest Spring Boot boosters
  • booster.metadata.istio: returns only boosters that contains the istio: true flag in the booster metadata
  • booster.mission.metadata.istio: returns only boosters that contains the istio: true flag in the mission metadata assigned to the booster

Multi-tenant (User impersonation)

In a single multi-tenant cluster, the Keycloak used to authenticate in Launcher may be the same as the one used in OpenShift. In this case, Launcher shouldn't require Keycloak to be configured with OpenShift as an identity provider. Launcher supports that using a ServiceAccount with user impersonation.

More info in https://kubernetes.io/docs/reference/access-authn-authz/authentication/#user-impersonation

Here are the steps to configure:

  1. Create an impersonator cluster role as described below (it can be any name, as long as it contains the impersonate verb):

    apiVersion: rbac.authorization.k8s.io/v1
    kind: ClusterRole
    metadata:
      name: impersonator
    rules:
    - apiGroups: [""]
      resources: ["users", "groups", "serviceaccounts"]
      verbs: ["impersonate"]
    
  2. Create a ServiceAccount in the cluster with the impersonator cluster role

  3. Set the LAUNCHER_MISSIONCONTROL_OPENSHIFT_TOKEN env in the launcher-backend pointing to the token corresponding to the ServiceAccount created in step 2

  4. Set the LAUNCHER_MISSIONCONTROL_OPENSHIFT_IMPERSONATE_USER env var to true meaning that launcher will impersonate the current logged user from the ServiceAccount created in step 2 when connecting to OpenShift

Code of Conduct

Please adopt our Code of Conduct to follow our community standards, signal a welcoming and inclusive project, and outline procedures for handling abuse.

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