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(Updated May 18, 2018, 8:58 a.m.) Review request for lens, Ankit Kailaswar, Puneet Gupta, and Rajitha R. Changes ------- Made some method private. Bugs: LENS-1509 https://issues.apache.org/jira/browse/LENS-1509 Repository: lens Description ------- Currently authentication in lens works by taking username/password while opening a session and validating it. This change will add support of SPNEGO support in lens server and clinet so that it can negotiate the authentication scheme. Currently only Negotiate(Kerberos) scheme is implemented but others like Basic/Digest etc can be added as well later. Diffs (updated) ----- contrib/clients/python/lens/client/auth.py PRE-CREATION contrib/clients/python/lens/client/session.py a1ccc4ba3 contrib/clients/python/setup.py de59d32a9 lens-api/src/main/java/org/apache/lens/api/auth/AuthScheme.java PRE-CREATION lens-client/src/main/java/org/apache/lens/client/LensClientConfig.java b703e132d lens-client/src/main/java/org/apache/lens/client/LensConnection.java bb15b23ca lens-client/src/main/java/org/apache/lens/client/LensConnectionParams.java 3a5dcdb82 lens-client/src/main/java/org/apache/lens/client/SpnegoClientFilter.java PRE-CREATION lens-server-api/src/main/java/org/apache/lens/server/api/LensConfConstants.java f14ae44af lens-server/src/main/java/org/apache/lens/server/BaseLensService.java b5248f3d5 lens-server/src/main/java/org/apache/lens/server/LensApplication.java c3f99529a lens-server/src/main/java/org/apache/lens/server/auth/Authenticate.java PRE-CREATION lens-server/src/main/java/org/apache/lens/server/auth/LensSecurityContext.java PRE-CREATION lens-server/src/main/java/org/apache/lens/server/auth/SpnegoAuthenticationFilter.java PRE-CREATION lens-server/src/main/java/org/apache/lens/server/error/NotAuthorizedExceptionMapper.java PRE-CREATION lens-server/src/main/java/org/apache/lens/server/session/LensSessionImpl.java 08a5cff4f lens-server/src/main/java/org/apache/lens/server/session/SessionResource.java 63eea6313 Diff: https://reviews.apache.org/r/66549/diff/5/ Changes: https://reviews.apache.org/r/66549/diff/4-5/ Testing ------- [INFO] Reactor Summary: [INFO] [INFO] Lens Checkstyle Rules ............................. SUCCESS [1.458s] [INFO] Lens .............................................. SUCCESS [3.567s] [INFO] Lens API .......................................... SUCCESS [19.185s] [INFO] Lens API for server and extensions ................ SUCCESS [17.395s] [INFO] Lens Cube ......................................... SUCCESS [3:00.221s] [INFO] Lens DB storage ................................... SUCCESS [13.920s] [INFO] Lens Query Library ................................ SUCCESS [11.039s] [INFO] Lens Hive Driver .................................. SUCCESS [1:06.122s] [INFO] Lens Driver for JDBC .............................. SUCCESS [42.723s] [INFO] Lens Elastic Search Driver ........................ SUCCESS [17.640s] [INFO] Lens Server ....................................... SUCCESS [10:18.231s] [INFO] Lens client ....................................... SUCCESS [1:27.686s] [INFO] Lens CLI .......................................... SUCCESS [1:32.599s] [INFO] Lens Examples ..................................... SUCCESS [8.707s] [INFO] Lens Ship Jars to Distributed Cache ............... SUCCESS [0.691s] [INFO] Lens Distribution ................................. SUCCESS [8.002s] [INFO] Lens ML Lib ....................................... SUCCESS [1:06.984s] [INFO] Lens ML Ext Distribution .......................... SUCCESS [2.084s] [INFO] Lens Regression ................................... SUCCESS [12.962s] [INFO] Lens UI ........................................... SUCCESS [35.012s] [INFO] Lens Contrib ...................................... SUCCESS [0.263s] [INFO] Lens Contributed Clients .......................... SUCCESS [0.266s] [INFO] Lens Python Client ................................ SUCCESS [0.247s] [INFO] ------------------------------------------------------------------------ Thanks, Barun Kumar