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README.md

CAS Overlay Template Build Status

Generic CAS WAR overlay to exercise the latest versions of CAS. This overlay could be freely used as a starting template for local CAS war overlays.

Versions

  • CAS 6.4.x
  • JDK 11

Overview

To build the project, use:

# Use --refresh-dependencies to force-update SNAPSHOT versions
./gradlew[.bat] clean build

To see what commands are available to the build script, run:

./gradlew[.bat] tasks

To launch into the CAS command-line shell:

./gradlew[.bat] downloadShell runShell

To fetch and overlay a CAS resource or view, use:

./gradlew[.bat] getResource -PresourceName=[resource-name]

To list all available CAS views and templates:

./gradlew[.bat] listTemplateViews

To unzip and explode the CAS web application file and the internal resources jar:

./gradlew[.bat] explodeWar

Configuration

  • The etc directory contains the configuration files and directories that need to be copied to /etc/cas/config.
./gradlew[.bat] copyCasConfiguration
  • The specifics of the build are controlled using the gradle.properties file.

Adding Modules

CAS modules may be specified under the dependencies block of the Gradle build script:

dependencies {
    implmentation "org.apereo.cas:cas-server-some-module:${project.casVersion}"
    ...
}

To collect the list of all project modules and dependencies:

./gradlew[.bat] allDependencies

You could also add modules and dependencies dynamically on the fly using the casModules project property. For example, to include support for OpenID Connect and Duo Security, you could invoke the build using -PcasModules=oidc,duo and have it auto-include modules that provide requested functionality. Needless, to say, you will need to know the module name beforehand.

Clear Gradle Cache

If you need to, on Linux/Unix systems, you can delete all the existing artifacts (artifacts and metadata) Gradle has downloaded using:

# Only do this when absolutely necessary
rm -rf $HOME/.gradle/caches/

Same strategy applies to Windows too, provided you switch $HOME to its equivalent in the above command.

Deployment

  • Create a keystore file thekeystore under /etc/cas. Use the password changeit for both the keystore and the key/certificate entries. This can either be done using the JDK's keytool utility or via the following command:
./gradlew[.bat] createKeystore
  • Ensure the keystore is loaded up with keys and certificates of the server.

On a successful deployment via the following methods, CAS will be available at:

  • https://cas.server.name:8443/cas

Executable WAR

Run the CAS web application as an executable WAR:

./gradlew[.bat] run

Debug the CAS web application as an executable WAR:

./gradlew[.bat] debug

Run the CAS web application as a standalone executable WAR:

./gradlew[.bat] clean executable

External

Deploy the binary web application file cas.war after a successful build to a servlet container of choice.

Docker

The following strategies outline how to build and deploy CAS Docker images.

Jib

The overlay embraces the Jib Gradle Plugin to provide easy-to-use out-of-the-box tooling for building CAS docker images. Jib is an open-source Java containerizer from Google that lets Java developers build containers using the tools they know. It is a container image builder that handles all the steps of packaging your application into a container image. It does not require you to write a Dockerfile or have Docker installed, and it is directly integrated into the overlay.

./gradlew build jibDockerBuild

Dockerfile

You can also use the native Docker tooling and the provided Dockerfile to build and run CAS.

chmod +x *.sh
./docker-build.sh
./docker-run.sh
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