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CRUD - Eclipse Vert.x Booster

Important
 While you can run and interact with this booster on our local host, it requires that you also have a database installed and configured. This booster runs best when deployed on OpenShift with a PostgreSQL database. For more details on using this booster with a single-node OpenShift cluster, CI/CD deployments, as well as the rest of the runtime, see the Eclipse Vert.x Runtime Guide.
Important
 As part of the process of creating this booster, launch.openshift.io set up a project with a CI/CD deployment of this booster. You can see the status of this deployment in your Single-node OpenShift Cluster or OpenShift Online Web Console.

Run this Booster on a Single-node OpenShift Cluster

If you have a single-node OpenShift cluster, such as Minishift or the Red Hat Container Development Kit, installed and running, you can also deploy your booster there. A single-node OpenShift cluster provides you with access to a cloud environment that is similar to a production environment.

To deploy your booster to a running single-node OpenShift cluster:

$ oc login -u developer -p developer

$ oc new-project MY_PROJECT_NAME

$ oc new-app -e POSTGRESQL_USER=luke -ePOSTGRESQL_PASSWORD=secret -ePOSTGRESQL_DATABASE=my_data openshift/postgresql-92-centos7 --name=my-database

# Wait for `my-database` application to be running.

$ mvn clean fabric8:deploy -Popenshift

Interact with this Booster on a Single-node OpenShift Cluster

To interact with your booster while it’s running on a Single-node OpenShift Cluster, you first need to obtain it’s URL:

$ oc get route MY_APP_NAME -o jsonpath={$.spec.host}

MY_APP_NAME-MY_PROJECT_NAME.LOCAL_OPENSHIFT_HOSTNAME

You can use the form at your application’s url or you can use the curl command:

List all entries in the database
$ curl http://MY_APP_NAME-MY_PROJECT_NAME.LOCAL_OPENSHIFT_HOSTNAME/api/fruits

[ {
  "id" : 1,
  "name" : "Apple",
}, {
  "id" : 2,
  "name" : "Orange",
}, {
  "id" : 3,
  "name" : "Pear",
} ]
Retrieve an entry with a specific ID
curl http://MY_APP_NAME-MY_PROJECT_NAME.LOCAL_OPENSHIFT_HOSTNAME/api/fruits/3

{
  "id" : 3,
  "name" : "Pear",
}
Create a new entry:
curl -H "Content-Type: application/json" -X POST -d '{"name":"apple"}'  http://MY_APP_NAME-MY_PROJECT_NAME.LOCAL_OPENSHIFT_HOSTNAME/api/fruits

{
  "id" : 4,
  "name" : "apple",
}
Update an Entry
curl -H "Content-Type: application/json" -X PUT -d '{"name":"pineapple"}'  http://MY_APP_NAME-MY_PROJECT_NAME.LOCAL_OPENSHIFT_HOSTNAME/api/fruits/1

{
  "id" : 1,
  "name" : "pineapple",
}
Delete an Entry:
curl -X DELETE http://MY_APP_NAME-MY_PROJECT_NAME.LOCAL_OPENSHIFT_HOSTNAME/api/fruits/1
Note
 If you receive an HTTP Error code 503 as a response after executing these commands, it means that the application is not ready yet.

More Information

You can learn more about this booster and rest of the Eclipse Vert.x runtime in the Eclipse Vert.x Runtime Guide.