Add Automatic Release Actions (#9)

Author: kolanos

.github/workflows/release-polling-workflow.yml

@@ -0,0 +1,39 @@
+name: Poll New Relic Agent Releases
+
+on:
+  schedule:
+    - cron: "0 * * * *"
+
+jobs:
+  nodejs:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-python@v1
+      with:
+        python-version: "3.7"
+    - run: python -m pip install -U pip
+    - run: pip install -U PyGitHub
+    - run: python./poll_releases.py nodejs
+    - uses: actions/create-release@latest
+      with:
+
+        draft: true
+        release_name: New Relic node Agent ${{ latest_version }}
+        tag_name: ${{ tag_name }}
+
+  python:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-python@v1
+      with:
+        python-version: "3.7"
+    - run: python -m pip install -U pip
+    - run: pip install -U PyGitHub
+    - run: python./poll_releases.py python
+    - uses: actions/create-release@latest
+      with:
+        draft: true
+        release_name: New Relic Python Agent ${{ latest_version }}
+        tag_name: ${{ tag_name }}

poll_releases.py

@@ -0,0 +1,32 @@
+import requests
+import sys
+
+from github import Github
+
+runtime = sys.argv[-1]
+if runtime not in ("nodejs", "python"):
+    print("::error file=poll_releases.py::Unsupported runtime value")
+    sys.exit(1)
+
+gh = Github()
+repo = gh.get_repo("newrelic/newrelic-lambda-layers")
+releases = repo.get_releases()
+tag_names = [release.tag_name for release in releases]
+
+if runtime == "nodejs":
+    package = requests.get("https://libraries.io/api/npm/newrelic/").json()
+elif runtime == "python":
+    package = requests.get("https://libraries.io/api/pypi/newrelic/").json()
+
+latest_version = "v%s" % package["latest_release_number"]
+tag_name = "%s_%s" % (latest_version, runtime)
+
+if tag_name in tag_names:
+    print("::error file=poll_releases.py::Tag already exists")
+    sys.exit(1)
+
+print("::set-env name=latest_version::%s" % latest_version)
+print("::set-env name=tag_name::%s" % tag_name)
+
+print("::set-output name=latest_version::%s" % latest_version)
+print("::set-output name=tag_name::%s" % tag_name)