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Release Retrospective to correct Apache MXNet source licenses in post MXNet 1.0 release.

A. Problem Description 

Links to email threads and github issues that record the existing issues during various voting periods - 

B. Apache Licensing Policies

C. Open Pull Requests to fix these Issues

D. Open Issues/Questions/Doubts/Concerns (Help Requested!)

Question 1: What all can be excluded from RAT checks? Currently the following are being excluded from the RAT checks. Is this ok ?



Name of File/Folder Excluded from RAT CheckReason for IgnoringConcerns
1

These File Types: *.xml ; *.css ; *.txt; *.md ; \..* ; *.ipynb ; *.html ; *.js ; *.json ; *.svg; *.config; *.names; *.csv



2

Submodules - 3rdparty/* ; dmlc-core/* ; mshadow/* ; dmlc-core/* ; dlpack/* ; nnvm/* ; ps-lite/*


None
3
R-package
Not a part of MXNet ReleaseNone
4

Ignore all Dockerfiles - docker/*; Dockerfile* ; docker_multiarch/*

Dockerfiles cant have license
5 __init__.py files These files contain no text None
6theme.conf A header might affect website. Only one script here without a license -
docs/_static/mxnet-theme/theme.conf
7 This file - src/operator/nn/pool.hIt was decided that this file should not have an Apache License and it was removed here - PR 9170None. But can be verified again.
8This file - src/operator/special_functions-inl.hIt was decided that this file should not have an Apache License and it was removed here - PR 9170None. But can be verified again.
9example/rcnn/rcnn/cython/*This is licensed under MIT but RAT doesnt pick that. ASF should not be addedShould MIT license text be added explicitly?
10This Dataset - example/gluon/tree_lstm/dataset.cPickleThis is a datasetNone. But can be verified again.
11CODEOWNERStext file


Question 2: There are still 2 files with unknown licenses as per Apache RAT - SEE TABLE BELOW for this LIst

    1. This list assumes above excluded folders and formats are acceptable. 

      S.NoFile NameComments
      1. CODEOWNERSMoved to excludes
      2.appveyor.ymlAdded ASF header - Open PR
      3.readthedocs.ymlDoes this need an Apache License ?
      4.snap.pythonCan I add Apache License here?
      5.snapcraft.yamlCan I add Apache License here?
      6.python/mxnet/cython/base.pyiFile format --?
      7.tests/ci_build/pylintrcAdded ASF header - Open PR

Question 3: Issue 23 and Issue 37 in table below

This Folder needs to be reviewed - src/operator/contrib/ctc_include

 

E. More Details about the Issues & their Status

NoCategoryProblemSource FilesSuggested byLeadsComments
1.
Source 
tree
* Move the various git submodules into third-party/ or similar so it's
simpler to see what is Apache original source when we review a release.
submodules
Henri Yandell
Haibin Lin

2.

Copyright

* Deal with the Copyright statements in perl-package (copyright holder has approved doing this)

perl-package

Henri Yandell

Henri YandellFixed by Henri in this PR -
https://github.com/apache/incubator-mxnet/pull/9191
3.

Formatting

* Lots of whitespace on end of NOTICE

NOTICE

Henri Yandell

Meghna Baijal
PR Merged
https://github.com/apache/incubator-mxnet/pull/9459
4.
Comments
* Comment added to CODEOWNERS to explain the file so we don't cause
community problems
CODEOWNERS
Henri Yandell
Steffen Rochel
5.

LICENSE

* There was a suggestion to simplify the LICENSE to not explicitly list which packages are under each license. Something to consider.

LICENSE

Henri Yandell

Meghna Baijal

If this is done, it would resolve points 8-11 and 13-19 of this wiki
PR - https://github.com/apache/incubator-mxnet/pull/9484

LICENSE
* Update the Paths to license files once submodules are moved
LICENSE
Meghna Baijal
Haibin Lin

Automated Check
* Update the license_header.py script instead of manual exclusions
tools/license_header.py
Meghna BaijalMeghna Baijalmakefiles,









ISSUES IN SPECIFIC FILES 




6.
Specific 
Files

* Resolve License Header - if you follow the URL mentioned in the file it is unclear

if the code came form that site or was written for the project by the author

of that site.

example/image-classification/predict-cpp/image-classification-predict.cc


Justin McClean


7.
Specific 
Files

* Resolve License Header - This file has two license headers

tools/license_header.py

Justin McClean
Meghna Baijal
Possibly RAT got confused 
by the matching string. Does not need a fix.
8.
Specific 
Files

* Check LICENSE - Listed as Apache License in the LICENSE but is it MIT license?

nnvm/tvm/HalideIR/LICENSE

Justin McClean
Meghna BaijalAdded to MIT license in LICENSE
9.
Specific 
Files
* Check LICENSE - Listed as Apache License in the LICENSE but is it MIT license?example/rcnn/rcnn/cython/gpu_nms.pyx
Justin McClean
Meghna Baijal

Files licenses under different licenses, added to all in the top level LICENSE -

/incubator-mxnet/example/rcnn/LICENSE

10.
Specific 
Files
* Check LICENSE - Listed as Apache License in the LICENSE but is it MIT license?example/rcnn/rcnn/cython/gpu_nms.pyx
Justin McClean
Meghna Baijal

Files licenses under different licenses, added to all in the top level LICENSE -

/incubator-mxnet/example/rcnn/LICENSE

11.
Specific 
Files
* Check LICENSE - Listed as Apache License in the LICENSE but is it MIT license?example/rcnn/rcnn/cython/cpu_nms.pyx
Justin McClean
Meghna Baijal

Files licenses under different licenses, added to all in the top level LICENSE -

/incubator-mxnet/example/rcnn/LICENSE

12.
Specific 
Files

* Missing License Header - is it Apache License?

perl-package/AI-NNVMCAPI/Makefile.PL

Justin McClean



13.
Specific 
Files

* Add to LICENSE - BSD license

src/operator/contrib/ctc_include/contrib/moderngpu/include/mgpudevice.cuh

Justin McClean

Wrongly Named in the LICENSE file as Warp-CTC, corrected
14.
Specific 
Files

* Add to LICENSE - A dozen files here are BSD

src/operator/contrib/ctc_include/contrib/moderngpu/include/device/

Justin McClean

Wrongly Named in the LICENSE file as Warp-CTC, corrected
15.
Specific 
Files

* Add to LICENSE - BSD license

nnvm/tvm/dmlc-core/cmake/Modules/FindCrypto.cmake

Justin McClean
Meghna BaijalRepeat again for the same file??
16.
Specific 
Files

* Add to LICENSE - BSD license

example/ssd/dataset/pycocotools/coco.py

Justin McClean

Already there in LICENSE file as MS coco
17.
Specific 
Files

* Add to LICENSE - 6 files are BSD licensed

example/rcnn/rcnn/pycocotools

Justin McClean

Already there in LICENSE
18.
Specific 
Files

* Add to LICENSE - BSD license

dmlc-core/cmake/Modules/FindCrypto.cmake

Justin McClean

Added to LICENSE as BSD

19.
Specific 
Files

* Add to LICENSE - BSD license

cub/experimental/spmv_compare.cu

Justin McClean

CUB exists as BSD
20.

Specific

Files

* Incorrect License Header - Has ASF header but is it BSD

prepare_mkl.sh

Justin McClean

Does not say BSD, add?
21.

Specific

Files

* Incorrect License Header - Has ASF header but is it BSD

src/operator/nn/im2col.h
src/operator/nn/im2col.cuh

Justin McClean

Created PR, in review 
https://github.com/apache/incubator-mxnet/pull/9462
22.

Specific

Files

* Incorrect License Header - Has ASF header but is it BSD

src/operator/contrib/nn/deformable_im2col.h
src/operator/contrib/nn/deformable_im2col.cuh

Justin McClean

First was fixed for 1.0.0 here - https://github.com/apache/incubator-mxnet/pull/9170
Second in PR review - https://github.com/apache/incubator-mxnet/pull/9462
 23.
Specific Files* Incorrect License Header - Has ASF header but is it BSD
src/operator/contrib/ctc_include/contrib/moderngpu/include/mgpuenums.h
Justin McClean

License seems to be correct. No ASF header.
24. 

Specific

Files

* Incorrect License Header - Has ASF header but is it BSD

example/ssd/dataset/pycocotools/coco.py

Justin McClean

Removed ASF header in PR
ADD BSD License text??

25. 

Specific

Files

* Incorrect License Header - Has ASF header but is it MIT

example/rcnn/rcnn/cython/setup.py

Justin McClean

Removed ASF Header in PR
Add MIT license Text?

26.

Specific

Files

* Incorrect License Header - Has ASF header but is it MIT

example/rcnn/rcnn/cython/nms_kernel.cu

Justin McClean

Removed ASF Header in PR
Add MIT license Text?
27.

Specific

Files

* Incorrect License Header - Has ASF header but is it MIT

example/rcnn/rcnn/cython/setup.py

Justin McClean

 Repeat

Specific Files

Resolve License: should this file get an apache license? (RAT thinks so but why does the script skip it?)

src/operator/special_functions-inl.h













APACHE RAT CHECK FAILURES




28.

RAT Failure

* Fix Submodules - RAT detected almost 2000 files with unknown licenses in submodules

Submodules (nnvm, dlpack, 3rdparty, ps-lite, mshadow) and R-package



Decision needed on how to handle submodule licenses
29.
RAT Failure
* Check Docs - RAT detected almost 200 files with unknown licenses in the Docs directory
/docs


Excluded for now
30.

RAT Failure

* Fix dockerfiles without license headers

/docker


Meghna Baijal
Added a top level License.md to this folder
31.

RAT Failure

* Fix docker_multiarch - unknown license header

/docker_multiarch


Meghna BaijalAdded a top level License.md to this folder
32.

RAT Failure

* Fix scala-package - unknown license

/scala-package



 Added apache license
33.

RAT Failure

* Fix tools

/tools




34.

RAT Failure

* Fix tests

/tests



All fixed except one `tests/ci_build/pylintrc`
35.

RAT Failure

* Fix examples

/examples




37.
RAT Failure
* Fix ctc_include
src/operator/contrib/ctc_include







































F. Static Linked Dependencies in Release

This section lists all dependencies used in the releases of pip and maven. Frank Liu pointed out some of them are using BSD3, GPL and customized License which should be placed in the official releases.

Currently, the licenses were covered when we created the static-linked so file which can be found in this PR.


OpenCV depends on following libraries, and can build them on the fly:

  • OpenBLAS
  • zlib (ver 1.2.6)
  • libjpeg-turbo (ver 1.5.90)
  • libpng (ver 1.6.34)
  • libtiff (ver 42 - 4.0.9)
  • eigen (ver 3.3.4)


ps-lite dependencies (USE_DIST_KVSTORE):

  • zeromq - 4.1.4
  • protobuf 2.5.0
  • lz4
  • cityhash

USE_S3

  • libcurl
  • libssl-dev



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