[SVLS-4918] workflow to update node extension versions (#45)

The workflow should create Pull Requests in the morning for updating pinned tracer versions. Also fixed the python tracer pinning behavior.

.github/workflows/datadog_wrapper_tracer_update.py

@@ -0,0 +1,202 @@
+import argparse
+import json
+import os
+import re
+from typing import NamedTuple
+from urllib.request import urlopen
+
+
+class Config(NamedTuple):
+    name: str
+    version_variable: str
+    repo_name: str
+    major_version_equal_to: int | None
+
+
+configs = {
+    "dotnet": Config(
+        name=".NET",
+        version_variable="DD_DOTNET_TRACER_VERSION",
+        repo_name="dd-trace-dotnet",
+        major_version_equal_to=None,
+    ),
+    "node_v4": Config(
+        name="Node.js Tracer v4",
+        version_variable="local DD_NODE_TRACER_VERSION_4",
+        repo_name="dd-trace-js",
+        major_version_equal_to=4,
+    ),
+    "node_v5": Config(
+        name="Node.js Tracer v5",
+        version_variable="local DD_NODE_TRACER_VERSION_5",
+        repo_name="dd-trace-js",
+        major_version_equal_to=5,
+    ),
+    "java": Config(
+        name="Java",
+        version_variable="DD_JAVA_TRACER_VERSION",
+        repo_name="dd-trace-java",
+        major_version_equal_to=None,
+    ),
+    "php": Config(
+        name="PHP",
+        version_variable="DD_PHP_TRACER_VERSION",
+        repo_name="dd-trace-php",
+        major_version_equal_to=None,
+    ),
+    "python": Config(
+        name="Python",
+        version_variable="DD_PYTHON_TRACER_VERSION",
+        repo_name="dd-trace-py",
+        major_version_equal_to=None,
+    ),
+}
+
+
+datadog_wrapper_filename = os.path.join(
+    os.path.dirname(__file__), "../../", "datadog_wrapper"
+)
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser(
+        description=f"update tracer versions in {datadog_wrapper_filename}"
+    )
+    parser.add_argument(
+        "--tracer",
+        type=str,
+        required=True,
+        help="the tracer to update",
+        choices=sorted(configs),
+    )
+
+    args = parser.parse_args()
+
+    check_version(config=configs[args.tracer])
+
+
+def check_version(*, config: Config) -> None:
+    current_version = get_current_version(version_variable=config.version_variable)
+    print(f"current version: {current_version}")
+
+    latest_version = get_latest_version(
+        repo_name=config.repo_name, major_version_equal_to=config.major_version_equal_to
+    )
+    print(f"latest version: {latest_version}")
+
+    if current_version == latest_version:
+        print("versions match, nothing to do")
+        return
+
+    print(
+        f"updating {config.version_variable} from {current_version} to {latest_version}"
+    )
+    update_version(
+        version_variable=config.version_variable,
+        current_version=current_version,
+        latest_version=latest_version,
+    )
+    record_update_for_pull_request(
+        tracer_name=config.name,
+        version_variable=config.version_variable,
+        current_version=current_version,
+        latest_version=latest_version,
+    )
+
+
+def get_current_version(*, version_variable: str) -> str:
+    version_regex = re.compile(version_variable + r"=(\d+\.\d+\.\d+)\s*$")
+    with open(datadog_wrapper_filename, "r") as f:
+        for line in f:
+            line = line.strip()
+            if (m := version_regex.match(line)) is not None:
+                return m.group(1)
+
+    raise Exception(f"Could not find the current version for {version_variable}")
+
+
+def get_latest_version(*, repo_name: str, major_version_equal_to: int | None) -> str:
+    with urlopen(f"https://api.github.com/repos/datadog/{repo_name}/releases") as r:
+        data = json.loads(r.read().decode("utf-8"))
+
+    versions = sorted(
+        filter(
+            None,
+            (
+                extract_version(
+                    release_entry=entry, major_version_equal_to=major_version_equal_to
+                )
+                for entry in data
+            ),
+        ),
+        key=version_sort_key,
+    )
+    return versions.pop()
+
+
+def extract_version(
+    *, release_entry: dict, major_version_equal_to: int | None
+) -> str | None:
+    tag_name = release_entry["tag_name"]
+    match = re.match(r"^v?(\d+\.\d+\.\d+)$", tag_name)
+    if match is None:
+        return None
+
+    version = match.group(1)
+
+    if major_version_equal_to is None:
+        return version
+
+    [major, _, _] = version.split(".")
+
+    if int(major) != major_version_equal_to:
+        return None
+
+    return version
+
+
+def version_sort_key(version: str) -> tuple[int, int, int]:
+    parts = tuple(map(int, version.split(".")))
+    if len(parts) != 3:
+        raise ValueError(f"invalid version: {version}")
+    return parts
+
+
+def update_version(
+    *, version_variable: str, current_version: str, latest_version: str
+) -> None:
+    with open(datadog_wrapper_filename, "r") as f:
+        lines = f.readlines()
+
+    with open(datadog_wrapper_filename, "w") as f:
+        for line in lines:
+            f.write(
+                line.replace(
+                    f"{version_variable}={current_version}",
+                    f"{version_variable}={latest_version}",
+                )
+            )
+
+
+def record_update_for_pull_request(
+    *,
+    tracer_name: str,
+    version_variable: str,
+    current_version: str,
+    latest_version: str,
+) -> None:
+    output_filename = os.getenv("GITHUB_OUTPUT")
+    if output_filename is None:
+        raise Exception(
+            "Missing GITHUB_OUTPUT environment variable, are we not running in a github workflow?"
+        )
+
+    with open(output_filename, "a") as f:
+        f.write(f"pr_title=Update {tracer_name} Tracer to {latest_version}\n")
+        f.write(
+            f"pr_body=Updated {tracer_name} Tracer from {current_version} to {latest_version}\n"
+        )
+
+
+if __name__ == "__main__":
+    main()

.github/workflows/dotnet_tracer_update_version.yml

@@ -0,0 +1,35 @@
+name: Update Version for the .NET Tracer
+
+on:
+  schedule:
+    - cron: '0 14 * * *' # 2:00 PM UTC which is morning in New York
+
+jobs:
+  bump_version:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Modify build-packages
+        id: version
+        run: |
+          python .github/workflows/datadog_wrapper_tracer_update.py --tracer dotnet
+
+      - name: Create Pull Request
+        id: pr
+        uses: peter-evans/create-pull-request@c5a7806660adbe173f04e3e038b0ccdcd758773c  # v6.1.0
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          branch: "dotnet-tracer-version-bump"
+          commit-message: "${{steps.version.outputs.pr_title}}"
+          delete-branch: true
+          title: "${{steps.version.outputs.pr_title}}"
+          body: "${{steps.version.outputs.pr_body}}"
+
+      - name: Display output
+        run: |
+          echo "Pull Request Number - ${{ steps.pr.outputs.pull-request-number }}"
+          echo "Pull Request URL - ${{ steps.pr.outputs.pull-request-url }}"
+

.github/workflows/java_tracer_update_version.yml

@@ -0,0 +1,36 @@
+name: Update Version for the Java Tracer
+
+on:
+  schedule:
+    - cron: '0 14 * * *' # 2:00 PM UTC which is morning in New York
+
+jobs:
+  bump_version:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Modify build-packages
+        id: version
+        run: |
+          python .github/workflows/datadog_wrapper_tracer_update.py --tracer java
+
+      - name: Create Pull Request
+        id: pr
+        uses: peter-evans/create-pull-request@c5a7806660adbe173f04e3e038b0ccdcd758773c  # v6.1.0
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          branch: "java-tracer-version-bump"
+          commit-message: "${{steps.version.outputs.pr_title}}"
+          delete-branch: true
+          title: "${{steps.version.outputs.pr_title}}"
+          body: "${{steps.version.outputs.pr_body}}"
+
+      - name: Display output
+        run: |
+          echo "Pull Request Number - ${{ steps.pr.outputs.pull-request-number }}"
+          echo "Pull Request URL - ${{ steps.pr.outputs.pull-request-url }}"
+
+

.github/workflows/node_tracer_v4_update_version.yml

@@ -0,0 +1,34 @@
+name: Update Version for the Node Tracer v4
+
+on:
+  schedule:
+    - cron: '0 14 * * *' # 2:00 PM UTC which is morning in New York
+
+jobs:
+  bump_version:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Modify build-packages
+        id: version
+        run: |
+          python .github/workflows/datadog_wrapper_tracer_update.py --tracer node_v4
+
+      - name: Create Pull Request
+        id: pr
+        uses: peter-evans/create-pull-request@c5a7806660adbe173f04e3e038b0ccdcd758773c  # v6.1.0
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          branch: "node-tracer-v4-version-bump"
+          commit-message: "${{steps.version.outputs.pr_title}}"
+          delete-branch: true
+          title: "${{steps.version.outputs.pr_title}}"
+          body: "${{steps.version.outputs.pr_body}}"
+
+      - name: Display output
+        run: |
+          echo "Pull Request Number - ${{ steps.pr.outputs.pull-request-number }}"
+          echo "Pull Request URL - ${{ steps.pr.outputs.pull-request-url }}"

.github/workflows/node_tracer_v5_update_version.yml

@@ -0,0 +1,34 @@
+name: Update Version for the Node Tracer v5
+
+on:
+  schedule:
+    - cron: '0 14 * * *' # 2:00 PM UTC which is morning in New York
+
+jobs:
+  bump_version:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Modify build-packages
+        id: version
+        run: |
+          python .github/workflows/datadog_wrapper_tracer_update.py --tracer node_v5
+
+      - name: Create Pull Request
+        id: pr
+        uses: peter-evans/create-pull-request@c5a7806660adbe173f04e3e038b0ccdcd758773c  # v6.1.0
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          branch: "node-tracer-v5-version-bump"
+          commit-message: "${{steps.version.outputs.pr_title}}"
+          delete-branch: true
+          title: "${{steps.version.outputs.pr_title}}"
+          body: "${{steps.version.outputs.pr_body}}"
+
+      - name: Display output
+        run: |
+          echo "Pull Request Number - ${{ steps.pr.outputs.pull-request-number }}"
+          echo "Pull Request URL - ${{ steps.pr.outputs.pull-request-url }}"

.github/workflows/php_tracer_update_version.yml

@@ -0,0 +1,37 @@
+name: Update Version for the PHP Tracer
+
+on:
+  schedule:
+    - cron: '0 14 * * *' # 2:00 PM UTC which is morning in New York
+
+jobs:
+  bump_version:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Modify build-packages
+        id: version
+        run: |
+          python .github/workflows/datadog_wrapper_tracer_update.py --tracer php
+
+      - name: Create Pull Request
+        id: pr
+        uses: peter-evans/create-pull-request@c5a7806660adbe173f04e3e038b0ccdcd758773c  # v6.1.0
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          branch: "php-tracer-version-bump"
+          commit-message: "${{steps.version.outputs.pr_title}}"
+          delete-branch: true
+          title: "${{steps.version.outputs.pr_title}}"
+          body: "${{steps.version.outputs.pr_body}}"
+
+      - name: Display output
+        run: |
+          echo "Pull Request Number - ${{ steps.pr.outputs.pull-request-number }}"
+          echo "Pull Request URL - ${{ steps.pr.outputs.pull-request-url }}"
+
+
+