* Consolidate the number of Dockerfiles
* add build-arguments to choose which Java base image to use at runtime
* default to building image with Java 11
* base k8s integration test image off of the default image: this ensures
our docker image now gets tested as part of integration tests.
* upgrade maven help plugin to 3.2.0
* do build and stop action in IT
* change base dir from druidHome to druidHome/integration-tests
* add env DRUID_HOME
* bug fix
* modify stop_sh
* ready to test
* bug fix
* modify dir
* tested on dev
* modify dir
* move DRUID_HOME env
* done
Co-authored-by: yuezhang <yuezhang@freewheel.tv>
* zk-less druid cluster in k8s build
* attempt to fix build and use http based remote task management
* mm/router logs for debugging
* add default account k8s role and binding for pod, configMap access
* fix issue
* change router port to 8088 for common readinessProbe
* break build_run_k8s_cluster.sh into separate scripts
* revert changes to K8sDruidNodeAnnouncer.java
* k8s extension doc update
* add license to new file
* address review comments
* do not try to load lookups at startup to improve cluster startup time
Frank Chen
fhan
Xavier Léauté
zhangyue19921010
Himanshu