Jialiang Cai created AMBARI-26643:
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Summary: Modernize Ambari Agent Python runtime and dependencies
Key: AMBARI-26643
URL: https://issues.apache.org/jira/browse/AMBARI-26643
Project: Ambari
Issue Type: Improvement
Reporter: Jialiang Cai
Ambari Agent and related Server Python utilities still mix an implicit system
Python with old vendored libraries and distribution-specific packages. On Rocky
Linux 8, /usr/bin/python3 remains Python 3.6 while the supported Ambari runtime
requires an explicitly installed modern interpreter. The current packaging also
allows build-host Python and platform details to leak into release
artifacts.\n\nThis change establishes a three-layer Python modernization
boundary:\n\n1. Require Python 3.9.2 or newer and explicitly use the Rocky 8
python39 interpreter in installation, bootstrap, wrappers, RPM dependencies,
and runtime entry points.\n2. Replace obsolete vendored general-purpose
libraries with the standard library or hash-locked official packages, and
bundle a reproducible manylinux/CPython 3.9 dependency closure in Ambari
private libraries.\n3. Adapt Agent scheduling, STOMP over WebSocket, template,
encryption, repository, OS detection, and directly related Server utility
behavior with focused compatibility tests.\n\nThe patch must preserve the
existing AES-CBC v1 wire format, use the official stomp.py WebSocket adapter,
keep Agent and Server on the same Python runtime contract, reject source
distributions except the separately hash-locked pure-Python docopt dependency,
and verify dependency metadata and native artifact architecture. Windows and
unrelated frontend changes are out of scope.
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