Add contrib template

.github/workflows/generate_workflows_lib/src/generate_workflows_lib/__init__.py

@@ -134,6 +134,47 @@ def get_lint_jobs_data(tox_envs: list) -> list:
     return lint_jobs_data
 
 
+def get_contrib_jobs_data(tox_envs: list) -> list:
+
+    contrib_jobs_data = []
+
+    tox_contrib_env_regex = re_compile(
+        r"py38-contrib-(?P<name>[-\w]+\w)-?(?P<contrib_requirements>\d+)?"
+    )
+
+    for tox_env in tox_envs:
+
+        tox_contrib_env_match = tox_contrib_env_regex.match(tox_env)
+
+        if tox_contrib_env_match is None:
+            continue
+
+        groups = tox_contrib_env_match.groupdict()
+
+        tox_env = tox_contrib_env_match.string
+
+        contrib_requirements = groups["contrib_requirements"]
+
+        if contrib_requirements is None:
+            contrib_requirements = " "
+
+        else:
+            contrib_requirements = f"-{contrib_requirements} "
+
+        contrib_jobs_data.append(
+            {
+                "ui_name": (
+                    f"{groups['name']}"
+                    f"{contrib_requirements}"
+                ),
+                "tox_env": tox_env,
+            }
+
+        )
+
+    return contrib_jobs_data
+
+
 def generate_test_workflow(
     tox_ini_path: Path,
     workflow_directory_path: Path,
@@ -178,4 +219,18 @@ def generate_lint_workflow(
 def generate_contrib_workflow(
     workflow_directory_path: Path,
 ) -> None:
-    return get_tox_envs(Path(__file__).parent.joinpath("tox.ini"))
+
+    with (
+        open(workflow_directory_path.joinpath("contrib.yml"), "w") as
+        contrib_yml_file
+    ):
+        contrib_yml_file.write(
+            Environment(
+                loader=FileSystemLoader(Path(__file__).parent)
+            ).get_template("contrib.yml.j2").render(
+                jobs=get_contrib_jobs_data(
+                    get_tox_envs(Path(__file__).parent.joinpath("tox.ini"))
+                )
+            )
+        )
+        contrib_yml_file.write("\n")

.github/workflows/generate_workflows_lib/src/generate_workflows_lib/contrib.yml.j2

@@ -0,0 +1,46 @@
+# Do not edit this file.
+# This file is generated automatically by executing tox -e generate_workflows
+
+name: Contrib
+
+on:
+  push:
+    branches-ignore:
+    - 'release/*'
+  pull_request:
+env:
+  CONTRIB_REPO_SHA: 141a6a2e473ef7f0ec4915dfb71e3c0fa595283e
+  CORE_REPO_SHA: ${% raw %}{{ github.sha }}{% endraw %}
+  PIP_EXISTS_ACTION: w
+
+jobs:
+  {%- for job in jobs %}
+
+  {{ job.tox_env }}:
+    name: {{ job.ui_name }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Contrib Repo @ SHA - ${{% raw %}{ env.CONTRIB_REPO_SHA }}{% endraw %}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python-contrib
+          ref: ${{ env.CONTRIB_REPO_SHA }}}}
+
+      - name: Checkout Core Repo @ SHA - ${% raw %}{{ github.sha }}{% endraw %}
+        uses: actions/checkout@v4
+        with:
+          repository: open-telemetry/opentelemetry-python
+          path: opentelemetry-python-core
+
+      - name: Set up Python 3.8
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.8"
+          architecture: "x64"
+
+      - name: Install tox
+        run: pip install tox
+
+      - name: Run tests
+        run: tox -e {{ job.tox_env }} -- -ra
+  {%- endfor %}