Overview

This charm deploys the domain controller node of the Wildfly application
server in domain mode. You can create a highly available and scalable
cluster architecture by adding a relation with wildfly-ha-slave nodes It
uses openjdk-7 for it's java depedencies. The current version supports
mysql connectivity. You can add a mysql relation by using the juju
add-relation command. Connectivity to the database is established
through the mysql connector which is deployed when the mysql relation is
added.

Usage

Deployment steps

Once the juju environment is bootstrapped. Proceed with the following
steps.

This command deploys the charm in your juju environment.

- juju deploy wildfly-ha-master

To destroy the wildfly charm instance you need to run the following
command

- juju destroy-unit wildfly-ha-master/(instance no.)

To destroy the wildfly service run the following command

- juju destroy-service wildfly-ha-master

to expose the wildfly charm run the following command

- juju expose wildfly-ha-master

To connect the mysql database you need to deploy the mysql charm

- juju deploy mysql

And add the database relation using the following command

- juju add-relation mysql wildfly-ha-master

Creating a HA cluster

Once the master instance is up and running, you can add slave instances of wildfly to create a High Available cluster.

To deploy a slave instance run below commands:

- juju deploy wildfly-ha-slave

To add its relation with the master instance run below command:

- juju add-relation wildfly-ha-master wildfly-ha-slave

Configurations

Configurable options

This wildfly charm allows you to create admin user and assign password
by using the following configurable variables

- username
- password

Network

This charm configures the wildfly domain controller node to listen on
the public IP assigned.

Accessing the web console

The management console will be available at http://server-ip:9990

For the first time when you try to access the management web console it
will take you to a page which says wildfly server is running but you
need to create a user to access the console.

The default username is "admin" (however you can change it any time
using the command given below). There is no default password set so you
need to set the password explicitly in order to log into the management
console.

To set a custom username (optional step if you are fine using admin as
username)

- juju set wildfly-ha-master username=desired_name

To set a desired password (a must-do step, in order to be able to access
the management web console)

- juju set wildfly-ha-master password=desired_password

Contact Information

Author Contact Information

- Author      : This charm was produced by Technology Blueprint, Enterprise Java Specialists. If you need help with your Java deployment on Juju we provide commercial support at www.technologybueprint.co.uk 
- Company     : www.technologyblueprint.co.uk

Wildfly Server Contact Information

- [ wildfly website ] (http://wildfly.org)
- [ wildfly documentation ]
  (https://docs.jboss.org/author/display/WFLY8/Documentation)
- [ wildfly bug tracker ] (https://issues.jboss.org/browse/WFLY)