Jeff Zhang 125a42ca1f ZEPPELIN-1786. Refactor LivyHelper ... ### What is this PR for? This PR continue the work of livy refactoring. Here's the main changes in this PR * Move the code from `LivyHelper` to `BaseLivyInterprereter` * Define POJO for livy request and response instead of using Map (sometimes nested Map) * Move the livy session initialization from `interpret` to `open` * Add one more complicated test which use the spark basic tutorial note. * Support livy.sql for spark2 * Use zeppelin.livy.create.session.timeout instead of retry count as retry count is internal implementation and user don't know what does it mean. * Improve travis (wrap livy related work in `setupLivy.sh`) ### What type of PR is it? [Improvement | Refactoring] ### Todos * [ ] - Task ### What is the Jira issue? * https://issues.apache.org/jira/browse/ZEPPELIN-1786 ### How should this be tested? One more integration test is added ### Questions: * Does the licenses files need update? No * Is there breaking changes for older versions? No * Does this needs documentation? No Author: Jeff Zhang <zjffdu@apache.org> Closes #1751 from zjffdu/ZEPPELIN-1786 and squashes the following commits: 30443f8 [Jeff Zhang] Fix string escape issue for livy.sql d6fb35d [Jeff Zhang] address comments 6e5cbb8 [Jeff Zhang] ZEPPELIN-1786. Refactor LivyHelper		2016-12-22 22:14:36 +05:30
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downloadLivy.sh	ZEPPELIN-1607. Refactor Livy Interpreter to adapt scope mode	2016-12-11 13:24:10 -05:00
downloadSpark.sh	[HOTFIX] Restore uninteded change of exit code in testing/dowloadSpark.sh	2016-12-05 20:08:57 +09:00
install_external_dependencies.sh	[HOTFIX] CAN'T install cran packages using apt in Travis CI	2016-12-16 16:50:49 +09:00
setupLivy.sh	ZEPPELIN-1786. Refactor LivyHelper	2016-12-22 22:14:36 +05:30