This View provides a UI to manage queues for the YARN Capacity Scheduler.
The view can be built as a maven project.
mvn clean install
The build will produce the view archive.
target/capacity-scheduler-???-SNAPSHOT.jar
Place the view archive on the Ambari Server and restart to deploy.
cp capacity-scheduler-???-SNAPSHOT /var/lib/ambari-server/resources/views/ ambari-server restart
Use the Ambari Vagrant setup to create a cluster:
Deploy the Capacity Scheduler view into Ambari.
cp capacity-scheduler-???-SNAPSHOT /var/lib/ambari-server/resources/views/ ambari-server restart
From the Ambari Administration interface, create a view instance.
| Property | Value |
|---|---|
| Details: Instance Name | CS_1 |
| Details: Display Name | Queue Manager |
| Details: Description | Browse and manage YARN Capacity Scheduler queues |
| Properties: Ambari Cluster URL | http://c6401.ambari.apache.org:8080/api/v1/clusters/MyCluster |
| Properties: Operator Username | admin |
| Properties: Operator Password | password |
Login to Ambari and browse to the view instance.
http://c6401.ambari.apache.org:8080/#/main/views/CAPACITY-SCHEDULER/???/CS_1
If you want to perform UI development without having to build and redeploy the view package, you can mount the build target output as a symlink to your vagrant instance. UI changes will be picked-up with a browser refresh.
After building and deploying the View, delete the view work directory on the Ambari Server.
cd /var/lib/ambari-server/resources/views/work
rm -rf CAPACITY-SCHEDULER\{0.3.0\}/
Create a symlink from the vagrant machine running your Ambari Server to your local machine.
ln -s /vagrant/ambari/contrib/views/capacity-scheduler/target/classes/ CAPACITY-SCHEDULER\{0.3.0\}
Restart Ambari Server, login and browse to the view.
ambari-server restart http://c6401.ambari.apache.org:8080/#/main/views/CAPACITY-SCHEDULER/0.3.0/CS_1
If you modify the view UI code on your machine and re-build, the UI will pickup the changes on browser refresh.