[CI] Added CI failure notifications.

Author: PathogenDavid

.github/workflows/Biohazrd.yml

@@ -11,6 +11,7 @@ env:
 jobs:
   build-and-test:
     strategy:
+      fail-fast: false
       matrix:
         configuration: ['Debug', 'Release']
     name: Build and Test ${{matrix.configuration}}
@@ -38,3 +39,30 @@ jobs:
       # ----------------------------------------------------------------------- Test
       - name: Test
         run: dotnet test --no-restore --no-build --configuration ${{matrix.configuration}} --verbosity normal
+
+  send-ci-failure-notification:
+    name: Send CI Failure Notification
+    needs: build-and-test
+    if: failure() && github.event_name != 'pull_request'
+    continue-on-error: true
+    runs-on: ubuntu-latest
+    steps:
+      # ----------------------------------------------------------------------- Checkout
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      # ----------------------------------------------------------------------- Setup Python
+      - name: Setup Python 3.8
+        uses: actions/setup-python@v2
+        with:
+          python-version: '3.8'
+      
+      # ----------------------------------------------------------------------- Send CI Failure Notification
+      - name: Send Notification
+        run: python .github/workflows/send-ci-failure-notification.py
+        env:
+          webhook_url: ${{secrets.TEAMS_WEBHOOK_URL}}
+          github_organization: ${{github.repository_owner}}
+          github_repo: ${{github.repository}}
+          github_workflow_name: ${{github.workflow}}
+          github_run_number: ${{github.run_id}}

.github/workflows/gha.py

@@ -0,0 +1,46 @@
+# GitHub Actions Utility Functions
+# https://docs.github.com/en/actions/reference/workflow-commands-for-github-actions
+import os
+import sys
+
+errors_were_printed = False
+
+def fail_if_errors():
+    if errors_were_printed:
+        print("Exiting due to previous errors.", file=sys.stderr)
+        sys.exit(1)
+
+def print_error(message):
+    global errors_were_printed
+    errors_were_printed = True
+    print(f"::error::{message}", file=sys.stderr)
+
+def print_warning(message):
+    print(f"::warning::{message}", file=sys.stderr)
+
+def set_output(name, value):
+    if isinstance(value, bool):
+        value = "true" if value else "false"
+    print(f"::set-output name={name}::{value}")
+
+def github_file_command(command, message):
+    command = f"GITHUB_{command}"
+    command_file = os.getenv(command)
+
+    if command_file is None:
+        print_error(f"Missing required GitHub environment variable '{command}'")
+        sys.exit(1)
+
+    if not os.path.exists(command_file):
+        print_error(f"'{command}' points to non-existent file '{command_file}')")
+        sys.exit(1)
+    
+    with open(command_file, 'a') as command_file_handle:
+        command_file_handle.write(message)
+        command_file_handle.write('\n')
+
+def set_environment_variable(name, value):
+    github_file_command("ENV", f"{name}={value}")
+
+def add_path(path):
+    github_file_command("PATH", path)

.github/workflows/send-ci-failure-notification.py

@@ -0,0 +1,61 @@
+#!/usr/bin/env python3
+import os
+import sys
+from urllib import request
+
+def get_environment_variable(name):
+    ret = os.getenv(name)
+
+    if ret is None or ret == '':
+        gha.print_error(f"Missing required parameter '{name}'")
+
+    return ret
+
+webhook_url = get_environment_variable('webhook_url')
+github_repo = get_environment_variable('github_repo')
+github_workflow_name = get_environment_variable('github_workflow_name')
+github_run_number = get_environment_variable('github_run_number')
+
+card_data = f'''{{
+  "type": "message",
+  "attachments": [
+    {{
+      "contentType": "application/vnd.microsoft.card.adaptive",
+      "contentUrl": null,
+      "content": {{
+          "type": "AdaptiveCard",
+          "$schema": "http://adaptivecards.io/schemas/adaptive-card.json",
+          "version": "1.2",
+          "body": [
+            {{
+              "type": "TextBlock",
+              "text": "{github_repo}: {github_workflow_name} Failed!",
+              "wrap": true,
+              "weight": "bolder"
+            }},
+            {{
+              "type": "ActionSet",
+              "actions": [
+                {{
+                  "type": "Action.OpenUrl",
+                  "title": "Show Run",
+                  "url": "https://github.com/{github_repo}/actions/runs/{github_run_number}"
+                }}
+              ]
+            }}
+          ]
+        }}
+    }}
+  ]
+}}'''
+card_data = card_data.encode('utf-8')
+
+webhook_request = request.Request(webhook_url, data=card_data, headers={'Content-Type': 'application/json'})
+webhook_response = request.urlopen(webhook_request)
+
+response_string = webhook_response.read().decode('utf-8')
+
+if response_string != '1' or webhook_response.status != 200:
+    print(f"Response code: {webhook_response.status}")
+    print(f"Response body: {response_string}")
+    sys.exit(1)