disabled blank issues and added issue link validation

.github/ISSUE_TEMPLATE/config.yml

@@ -11,4 +11,4 @@
 # SPDX-License-Identifier: Apache-2.0
 # *******************************************************************************
 
-blank_issues_enabled: true
+blank_issues_enabled: false

.github/PULL_REQUEST_TEMPLATE/bug_fix.md

@@ -17,3 +17,5 @@
 > ticket yet, create one via [this issue template](../ISSUE_TEMPLATE/new?template=bug_fix.md).
 
 closes [ISSUE-NUMBER] (bugfix ticket)
+
+<!-- PR_TEMPLATE-->

.github/PULL_REQUEST_TEMPLATE/improvement.md

@@ -17,3 +17,5 @@
 > ticket yet, create one via [this issue template](../ISSUE_TEMPLATE/new?template=improvement.md).
 
 closes [ISSUE-NUMBER] (improvement ticket)
+
+<!-- PR_TEMPLATE-->

.github/scripts/check_issue_type.py

@@ -0,0 +1,149 @@
+# *******************************************************************************
+# Copyright (c) 2025 Contributors to the Eclipse Foundation
+#
+# See the NOTICE file(s) distributed with this work for additional
+# information regarding copyright ownership.
+#
+# This program and the accompanying materials are made available under the
+# terms of the Apache License Version 2.0 which is available at
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# SPDX-License-Identifier: Apache-2.0
+# *******************************************************************************
+
+#!/usr/bin/env python3
+
+import os
+import json
+import requests
+import sys
+from dotenv import load_dotenv
+
+
+def set_output(name, value):
+    print(f"::set-output name={name}::{value}")
+
+def set_failed(message):
+    print(f"::error::{message}")
+    sys.exit(1)
+
+def set_output(name, value):
+    print(f"::set-output name={name}::{value}")
+
+def set_failed(message):
+    print(f"::error::{message}")
+    sys.exit(1)
+
+def main():
+    linked_issue_numbers_str = os.environ.get('LINKED_ISSUES')
+    github_token = os.environ.get('GITHUB_TOKEN')
+    repo_owner = os.environ.get('GITHUB_REPOSITORY_OWNER')
+    repo_name = os.environ.get('GITHUB_REPOSITORY').split('/')[-1]
+
+    if not github_token:
+        set_failed("GITHUB_TOKEN is not set. Ensure it's passed as an environment variable.")
+
+    # Initialize linked_issue_numbers as an empty list
+    linked_issue_numbers = []
+
+    if not linked_issue_numbers_str:
+        print("No issues linked in the PR description. Skipping type check.")
+        set_output('found_bug_issue', 'false')
+        set_output('found_feature_issue', 'false')
+        set_output('found_task_issue', 'false')
+        set_output('other_issue_types', '[]')
+        return
+
+
+    try:
+        parsed_data = json.loads(linked_issue_numbers_str)
+        if isinstance(parsed_data, int):
+            linked_issue_numbers = [parsed_data]
+        elif isinstance(parsed_data, list):
+            linked_issue_numbers = parsed_data
+        else:
+            set_failed(f"Unexpected format for LINKED_ISSUES: {linked_issue_numbers_str}. Expected a JSON array or single number.")
+    except json.JSONDecodeError:
+        set_failed(f"Failed to parse LINKED_ISSUES as JSON: {linked_issue_numbers_str}.")
+
+
+    print(f"Linked issue numbers: {linked_issue_numbers}")
+
+    found_bug_issue = False
+    found_feature_issue = False
+    found_task_issue = False
+    other_issue_types = []
+
+    graphql_url = "https://api.github.com/graphql"
+    headers = {
+        "Authorization": f"Bearer {github_token}",
+        "Content-Type": "application/json"
+    }
+
+    for issue_number in linked_issue_numbers:
+        try:
+            query = """
+                query GetIssueType($owner: String!, $repo: String!, $issueNumber: Int!) {
+                  repository(owner: $owner, name: $repo) {
+                    issue(number: $issueNumber) {
+                      id
+                      title
+                      issueType {
+                        name
+                      }
+                    }
+                  }
+                }
+            """
+
+            variables = {
+                "owner": repo_owner,
+                "repo": repo_name,
+                "issueNumber": issue_number,
+            }
+
+            response = requests.post(graphql_url, headers=headers, json={'query': query, 'variables': variables})
+            response.raise_for_status()
+            result = response.json()
+
+            if 'errors' in result:
+                set_failed(f"GraphQL errors for issue #{issue_number}: {result['errors']}")
+
+            issue_data = result.get('data', {}).get('repository', {}).get('issue')
+
+            if not issue_data:
+                print(f"Warning: Issue #{issue_number} not found in this repository or no data returned.")
+                other_issue_types.append({'number': issue_number, 'type': 'Issue Not Found'})
+                continue
+
+            issue_type_name = issue_data.get('issueType', {}).get('name')
+
+            if issue_type_name:
+                type_value = issue_type_name
+                print(f"Issue #{issue_number} has Built-in Issue Type: {type_value}")
+
+                if type_value == 'Bug':
+                    found_bug_issue = True
+                elif type_value == 'Feature Request':
+                    found_feature_issue = True
+                elif type_value == 'Task':
+                    found_task_issue = True
+                else:
+                    other_issue_types.append({'number': issue_number, 'type': type_value})
+            else:
+                print(f"Issue #{issue_number} has no built-in 'issueType' specified.")
+                other_issue_types.append({'number': issue_number, 'type': 'No Built-in Issue Type'})
+
+        except requests.exceptions.RequestException as e:
+            set_failed(f"HTTP error fetching issue #{issue_number} type: {e}")
+        except Exception as e:
+            set_failed(f"An unexpected error occurred for issue #{issue_number}: {e}")
+
+    set_output('found_issue', str(found_bug_issue or found_feature_issue).lower())
+    set_output('found_feature_issue', str(found_feature_issue).lower())
+    set_output('found_task_issue', str(found_task_issue).lower())
+    set_output('other_issue_types', json.dumps(other_issue_types))
+
+
+if __name__ == "__main__":
+    main()

.github/workflows/pr-validation.yml

@@ -0,0 +1,79 @@
+# *******************************************************************************
+# Copyright (c) 2024 Contributors to the Eclipse Foundation
+#
+# See the NOTICE file(s) distributed with this work for additional
+# information regarding copyright ownership.
+#
+# This program and the accompanying materials are made available under the
+# terms of the Apache License Version 2.0 which is available at
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# SPDX-License-Identifier: Apache-2.0
+# *******************************************************************************
+
+name: Pr Validation check for bugs
+on:
+  pull_request:
+    types: [edited, synchronize, opened, reopened]
+
+
+jobs:
+
+  verify_linked_bug_issue:
+    runs-on: ubuntu-latest
+    name: Ensure Pull Request has a linked issue.
+    permissions:
+      pages: write
+      contents: write
+      pull-requests: write
+      issues: write # Allow label creation
+    steps:
+      - name: Check PR Template
+        id: check_template
+        run: |
+          PR_BODY="${{ github.event.pull_request.body }}"
+          # Check if the PR body contains the unique identifier from your bug-fix.md template
+          if [[ "$PR_BODY" == *"<!-- PR_TEMPLATE-->"* ]]; then
+            echo "PR uses bug-fix.md template. Proceeding with workflow."
+            echo "template_match=true" >> $GITHUB_OUTPUT
+          else
+            echo "PR does NOT use bug-fix.md template. Skipping subsequent steps."
+            echo "template_match=false" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Checkout code
+        if: steps.check_template.outputs.template_match == 'true'
+        uses: actions/checkout@v4.2.2
+
+      - name: Set up Python
+        if: steps.check_template.outputs.template_match == 'true'
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+      - name: Install dependencies
+        if: steps.check_template.outputs.template_match == 'true'
+        run: pip install requests python-dotenv
+
+      - name: Get issues
+        if: steps.check_template.outputs.template_match == 'true'
+        id: get-issues
+        uses: mondeja/pr-linked-issues-action@v2
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Check type of each linked issue via GraphQL (Python)
+        if: steps.check_template.outputs.template_match == 'true'
+        id: issue_type_check
+        run: python ./.github/scripts/check_issue_type.py
+        env:
+          LINKED_ISSUES: ${{ steps.get-issues.outputs.issues }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          # These are needed by the Python script to construct the GraphQL query variables
+          GITHUB_REPOSITORY_OWNER: ${{ github.repository_owner }}
+          GITHUB_REPOSITORY: ${{ github.repository }}
+
+      - name: Fail if no Bug or Feature Request issue found for PR
+        if: steps.check_template.outputs.template_match == 'true' && steps.issue_type_check.outputs.found_issue == 'false'
+        run: |
+          echo "::error::This PR uses the improvement or bug-fix template, but no linked issue of type 'Bug' or "Feature Request" was found."
+          exit 1 # This will cause the workflow to fail