* 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>
* add a travls job to do integrate test on K8s
* revert build_run_cluster.sh
* revert msic
* run IT test
* ready to test
* modify before/after script
* done
* change mod for script
* done
* add env DRUID_OPERATOR_VERSION=0.0.3
* change version
Co-authored-by: yuezhang <yuezhang@freewheel.tv>
Xavier Léauté
zhangyue19921010