ci(build-deploy): build python deb/rpm for autoinjection (#5973)

This PR adds support to build .deb and .rpm packages for dd-trace-py.
This is needed to support auto injection initiatives.

## Checklist

- [x] Change(s) are motivated and described in the PR description.
- [x] Testing strategy is described if automated tests are not included
in the PR.
- [x] Risk is outlined (performance impact, potential for breakage,
maintainability, etc).
- [x] Change is maintainable (easy to change, telemetry, documentation).
- [x] [Library release note
guidelines](https://ddtrace.readthedocs.io/en/stable/contributing.html#Release-Note-Guidelines)
are followed.
- [x] Documentation is included (in-code, generated user docs, [public
corp docs](https://github.com/DataDog/documentation/)).

## Reviewer Checklist

- [x] Title is accurate.
- [x] No unnecessary changes are introduced.
- [x] Description motivates each change.
- [x] Avoids breaking
[API](https://ddtrace.readthedocs.io/en/stable/versioning.html#interfaces)
changes unless absolutely necessary.
- [x] Testing strategy adequately addresses listed risk(s).
- [x] Change is maintainable (easy to change, telemetry, documentation).
- [x] Release note makes sense to a user of the library.
- [x] Reviewer has explicitly acknowledged and discussed the performance
implications of this PR as reported in the benchmarks PR comment.

Author: randomanderson

.gitlab-ci.yml

@@ -1,9 +1,12 @@
 stages:
+  - package
   - deploy
   - benchmarks
   - benchmarks-pr-comment
 
-include: ".gitlab/benchmarks.yml"
+include:
+  - remote: https://gitlab-templates.ddbuild.io/apm/packaging.yml
+  - local: ".gitlab/benchmarks.yml"
 
 variables:
   DOWNSTREAM_BRANCH:
@@ -12,11 +15,27 @@ variables:
   DOWNSTREAM_MBP_BRANCH:
     value: "dd-trace-py"
     description: "Run a specific relenv-microbenchmarking-platform branch downstream"
-
+  PYTHON_PACKAGE_VERSION:
+    description: "Version to build for .deb and .rpm. Must be already published in PyPi"
 
 .common: &common
   tags: [ "runner:main", "size:large" ]
 
+package:
+  extends: .package
+  rules:
+  - if: $PYTHON_PACKAGE_VERSION
+    when: on_success
+  - if: '$CI_COMMIT_TAG =~ /^v.*/'
+    when: on_success
+  script:
+    - ../.gitlab/build-deb-rpm.sh
+
+.release-package:
+  stage: deploy
+  variables:
+    PRODUCT_NAME: auto_inject-python
+
 deploy_to_reliability_env:
   stage: deploy
   rules:

.gitlab/build-deb-rpm.sh

@@ -0,0 +1,46 @@
+#!/bin/bash
+
+if [ -n "$CI_COMMIT_TAG" ] && [ -z "$PYTHON_PACKAGE_VERSION" ]; then
+  PYTHON_PACKAGE_VERSION=${CI_COMMIT_TAG##v}
+fi
+
+echo -n $PYTHON_PACKAGE_VERSION > auto_inject-python.version
+
+source common_build_functions.sh
+
+# Download the megawheel
+mkdir -p dd-trace.dir/lib
+
+# Install known compatible pip as default version shipped in Ubuntu (20.0.2)
+# does not work.
+python3 -m pip install -U "pip>=22.0"
+python3 -m pip install packaging
+
+echo `pwd`
+
+../lib-injection/dl_wheels.py \
+    --python-version=3.11 \
+    --python-version=3.10 \
+    --python-version=3.9 \
+    --python-version=3.8 \
+    --python-version=3.7 \
+    --ddtrace-version=$PYTHON_PACKAGE_VERSION  \
+    --arch x86_64 \
+    --arch aarch64 \
+    --platform musllinux_1_1 \
+    --platform manylinux2014 \
+    --output-dir dd-trace.dir/lib \
+    --verbose
+
+cp ../lib-injection/sitecustomize.py dd-trace.dir/lib/
+
+cp auto_inject-python.version dd-trace.dir/lib/version
+
+fpm_wrapper "datadog-apm-library-python" "$PYTHON_PACKAGE_VERSION" \
+  --input-type dir \
+  --url "https://github.com/DataDog/dd-trace-py" \
+  --description "Datadog APM client library for python" \
+  --license "BSD-3-Clause" \
+  --chdir=dd-trace.dir/lib \
+  --prefix "$LIBRARIES_INSTALL_BASE/python" \
+  .=.