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README cas-gradle-overlay.md

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CAS Gradle Overlay

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

Versions

  • CAS 5.0.x

Requirements

  • JDK 1.8+

Configuration

The etc directory contains the configuration files that are copied to /etc/cas/config automatically.

Adding Modules

CAS modules may be specified under the dependencies block of the CAS subproject:

dependencies {
    compile "org.apereo.cas:cas-server-webapp:${project.'cas.version'}@war"
    compile "org.apereo.cas:cas-server-some-module:${project.'cas.version'}"
    ...
}

Study material:

Build

./gradlew[.bat] clean build

Or faster builds on subsequent attempts once modules/dependencies are resolved:

./gradlew[.bat] clean build --parallel --offline

If you are on a SNAPSHOT version, you can force redownloads of modules/dependencies:

 ./gradlew[.bat] clean build --parallel --refresh-dependencies

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.

To see what commands are available in the build, use:

 ./gradlew[.bat] tasks

To see where certain dependencies come from in the build:

# Show the surrounding 2 before/after lines once a match is found
 ./gradlew[.bat] allDependencies | grep -A 2 -B 2 xyz

Or:

./gradlew[.bat] allDependenciesInsight --configuration [compile|runtime] --dependency xyz

Deployment

  • Create a keystore file thekeystore under /etc/cas on Linux. Use c:/etc/cas on Windows.
  • Use the password changeit for both the keystore and the key/certificate entries.
  • 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:

  • http://cas.server.name:8080/cas
  • https://cas.server.name:8443/cas

Executable WAR

Run the CAS web application as an executable WAR.

java -jar cas/build/libs/cas.war

Or via Gradle:

./gradlew[.bat] runit

Spring Boot

Run the CAS web application as an executable WAR via Spring Boot. This is most useful during development and testing.

./gradlew[.bat] bootrun

Warning!

Be careful with this method of deployment. bootRun is not designed to work with already executable WAR artifacts such that CAS server web application. YMMV. Today, uses of this mode ONLY work when there is NO OTHER dependency added to the build script and the cas-server-webapp is the only present module. See this issue and this issue for more info.

External

Deploy resultant cas/build/libs/cas.war to a servlet container of choice.