README.md

nodejs-jdg

Pre-requisites

• Openshift 3.1
• Red Hat JBoss xPaaS datagrid 6.5 images installed : [instructions] (https://docs.openshift.com/enterprise/3.1/using_images/xpaas_images/data_grid.html)

Installation of template

The template of this demo is under openshiftv3-templates

As a cluster-admin, on the CLI, run the following command to install template:

oc create -f /path/to/nodejs-datagrid65-template.json -n openshift

Usage

Web Console

Template will be installed under the 'Instant Apps' as nodejs-datagrid65-example, (You may need to search for it or click on the 'see all' link to view the template)

CLI

As a project adminstrator, run this

oc new-app nodejs-datagrid65-example

Clustered DG nodes

To test clustering feature of DG nodes by increasing the number of replicas, you need to ensure the following commands are run by the project admin before attempting to scale up the nodes

oc policy add-role-to-user view system:serviceaccount:$(oc project -q):default -n $(oc project -q)

oc policy add-role-to-user view system:serviceaccount:$(oc project -q):eap-service-account -n $(oc project -q)

Parameters

Some of the parameters used in the template, the rest are self-explanatory

• APPLICATION_NAME

  Name of application, default to demo

• SOURCE_REPOSITORY_URL

  git repo of nodejs sample app

• SOURCE_REPOSITORY_REF

  branch name, not required for demo

• CONTEXT_DIR

  not required for demo

• APPLICATION_DOMAIN

application domain for node js app

• DG_HOSTNAME_HTTP

application domain for jdg nodes. for external text via rest api