Create Debian python3-nsenter package

The nsenter package is used in the scope of the k8s coredump handler.
This package is required so the handler is able to specify separate
namespaces for the applications when they generate a coredump.

Story: 2010261
Task: 46159
Depends-On: https://review.opendev.org/c/starlingx/tools/+/854684

Test Plan:
PASS: Verify STX Debian builds properly
PASS: Verify STX Debian deploys properly
PASS: Verify python3-nsenter package was properly installed
PASS: Verify k8s-coredump runs properly

Signed-off-by: Adriano Oliveira <adriano.oliveira@windriver.com>
Change-Id: Idf0ebb90e1c91ae4f83fb7c6a85039e57e4f80bb

debian_pkg_dirs

@@ -77,6 +77,7 @@ ostree/ostree
 ostree/ostree-upgrade-mgr
 python/dh-python
 python/python-nss
+python/python3-nsenter
 python/python3-setuptools
 security/keyrings.alt
 security/python-keyring

python/python3-nsenter/debian/deb_folder/changelog

@@ -0,0 +1,5 @@
+nsenter (0.2) unstable; urgency=medium
+
+  * Initial release.
+
+ -- Adriano Oliveira <adriano.oliveira@windriver.com>  Wed, 24 Aug 2023 10:14:40 -0300

python/python3-nsenter/debian/deb_folder/control

@@ -0,0 +1,16 @@
+Source: nsenter
+Section: admin
+Priority: optional
+Maintainer: StarlingX Developers <starlingx-discuss@lists.starlingx.io>
+Build-Depends: debhelper-compat (= 12),
+ dh-python,
+ flake8,
+ python3-setuptools,
+ python3-all
+Standards-Version: 4.4.1
+
+Package: python3-nsenter
+Architecture: all
+Depends: ${python3:Depends}, ${misc:Depends}
+Description: Enables entering the Linux kernel namespaces
+ A python client library for Linux kernel namespaces

python/python3-nsenter/debian/deb_folder/copyright

@@ -0,0 +1,42 @@
+Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+Upstream-Name: python-fmclient
+Source: https://opendev.org/starlingx/fault
+
+Files: *
+Copyright: (c) 2022 Wind River Systems, Inc
+Copyright: Others (See individual files for more details)
+License: Apache-2
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+ .
+    https://www.apache.org/licenses/LICENSE-2.0
+ .
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ .
+ On Debian-based systems the full text of the Apache version 2.0 license
+ can be found in `/usr/share/common-licenses/Apache-2.0'.
+
+# If you want to use GPL v2 or later for the /debian/* files use
+# the following clauses, or change it to suit. Delete these two lines
+Files: debian/*
+Copyright: 2022 Wind River Systems, Inc
+License: Apache-2
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+ .
+    https://www.apache.org/licenses/LICENSE-2.0
+ .
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ .
+ On Debian-based systems the full text of the Apache version 2.0 license
+ can be found in `/usr/share/common-licenses/Apache-2.0'.

python/python3-nsenter/debian/deb_folder/rules

@@ -0,0 +1,10 @@
+#!/usr/bin/make -f
+#export DH_VERBOSE = 1
+
+export PYBUILD_NAME=python3-nsenter
+
+%:
+	dh $@ --with python3 --buildsystem=pybuild
+
+override_dh_auto_test:
+	# nothing done

python/python3-nsenter/debian/meta_data.yaml

@@ -0,0 +1,11 @@
+---
+debname: nsenter
+debver: 0.2
+dl_path:
+    name: nsenter-0.2.tar.gz
+    url: https://files.pythonhosted.org/packages/a5/46/1bfe9cca7f2e12cb2d7d9082b14feb785bc63628fb795a34d53ef57a8b93/nsenter-0.2.tar.gz
+    md5sum: a9e19cde39c93d91716f0be7dd0e14c5
+    sha256sum: 876a18cb03de85948e4cd72fd4cfda4879561b7264f5722603f6437d452a25cb
+revision:
+    dist: $STX_DIST
+    PKG_GITREVCOUNT: true

python/python3-nsenter/debian/patches/0001-Empty-requirements.txt.patch

@@ -0,0 +1,23 @@
+From 6ea9709c2477a41ff310255c5da42c4766b3fc22 Mon Sep 17 00:00:00 2001
+From: Adriano Oliveira <adriano.oliveira@windriver.com>
+Date: Tue, 13 Sep 2022 07:42:52 -0700
+Subject: [PATCH] Empty requirements.txt
+
+In python 3 pathlib, contextlib and argparse are included
+
+Signed-off-by: Adriano Oliveira <adriano.oliveira@windriver.com>
+---
+ requirements.txt | 3 ---
+ 1 file changed, 3 deletions(-)
+
+diff --git a/requirements.txt b/requirements.txt
+index 60e8060..e69de29 100644
+--- a/requirements.txt
++++ b/requirements.txt
+@@ -1,3 +0,0 @@
+-pathlib
+-contextlib2
+-argparse
+-- 
+2.17.1
+

python/python3-nsenter/debian/patches/0002-Remove-nsenter-entry-point.patch

@@ -0,0 +1,33 @@
+From 17cd3519838741e2bcb5285a8f6f1acbc8c78048 Mon Sep 17 00:00:00 2001
+From: Adriano Oliveira <adriano.oliveira@windriver.com>
+Date: Thu, 15 Sep 2022 13:59:58 -0700
+Subject: [PATCH] Remove nsenter entry point
+
+The original nsenter entry point conflicts with /usr/bin/nsenter
+binary.
+
+Signed-off-by: Adriano Oliveira <adriano.oliveira@windriver.com>
+---
+ setup.py | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/setup.py b/setup.py
+index 69ca693..b88117e 100644
+--- a/setup.py
++++ b/setup.py
+@@ -39,10 +39,10 @@ def setup_package():
+             'Operating System :: POSIX :: Linux',
+             'License :: OSI Approved :: Apache Software License'],
+         test_suite='tests',
+-        setup_requires=['flake8'],
+         install_requires=get_install_requirements('requirements.txt'),
+         packages=setuptools.find_packages(exclude=['tests', 'tests.*']),
+-        entry_points={'console_scripts': ['nsenter = nsenter:main']}
++        entry_points={
++        }
+     )
+ 
+ if __name__ == '__main__':
+-- 
+2.17.1
+

python/python3-nsenter/debian/patches/series

@@ -0,0 +1,2 @@
+0001-Empty-requirements.txt.patch
+0002-Remove-nsenter-entry-point.patch