apel · rowan04 · Nov 25, 2025 · Nov 27, 2025 · Dec 9, 2025 · Dec 11, 2025
diff --git a/monitoring/publishing/static/stylesheet.css b/monitoring/publishing/static/stylesheet.css
@@ -186,3 +186,15 @@ li {
         background-color: #8D8D8D;
         color: white;
 }
+
+textarea {
+        vertical-align: top;
+}
+
+button#validate-button {
+        background-color: #e0e0e0;
+        border-color: #b0b0b0;
+        cursor: pointer;
+        font-weight: bold;
+        padding: 5px 10px;
+}
diff --git a/monitoring/settings.py b/monitoring/settings.py
@@ -95,6 +95,7 @@
     'monitoring.availability',
     'monitoring.benchmarks',
     'monitoring.iris',
+    'monitoring.validator',
 ]
 
 REST_FRAMEWORK = {

diff --git a/monitoring/templates/home.html b/monitoring/templates/home.html
@@ -42,5 +42,12 @@ <h2>Return format</h2>
     For example: <a href="{% url 'gridsitesync-detail' 'RAL-LCG2' %}?format=json">{% url 'gridsitesync-detail' 'RAL-LCG2' %}?format=json</a>
 </p>
 
+<h2>Record Validator</h2>
+<p><ul><li>
+    <a href="{% url 'validator' %}">{% url 'validator' %}</a> - A validating tool to check APEL records are
+    correctly formatted. Records can be validated against a specific record type, or the type can be inferred from
+    a record header.
+</li></ul></p>
+
 </body>
 </html>
diff --git a/monitoring/urls.py b/monitoring/urls.py
@@ -10,4 +10,5 @@
     path('benchmarks/', include('monitoring.benchmarks.urls')),
     path('iris/', include('monitoring.iris.urls')),
     path('api-auth/', include('rest_framework.urls', namespace='rest_framework')),
+    path('validator/', include ('monitoring.validator.urls')),
 ]
diff --git a/monitoring/validator/__init__.py b/monitoring/validator/__init__.py
diff --git a/monitoring/validator/admin.py b/monitoring/validator/admin.py
@@ -0,0 +1,3 @@
+from django.contrib import admin
+
+# Register your models here.
diff --git a/monitoring/validator/apps.py b/monitoring/validator/apps.py
@@ -0,0 +1,5 @@
+from django.apps import AppConfig
+
+
+class ValidatorConfig(AppConfig):
+    name = 'monitoring.validator'
diff --git a/monitoring/validator/migrations/__init__.py b/monitoring/validator/migrations/__init__.py
diff --git a/monitoring/validator/models.py b/monitoring/validator/models.py
diff --git a/monitoring/validator/templates/validator/validator_index.html b/monitoring/validator/templates/validator/validator_index.html
@@ -0,0 +1,60 @@
+{% load static %}
+
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html lang="en" xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
+
+    <head>
+        <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+        <title>Record Validator</title>
+        <link href="{% static 'stylesheet.css' %}" rel="stylesheet" type="text/css" />
+        <link href="{% static 'style.css' %}" rel="stylesheet" type="text/css" />
+    </head>
+
+    <body>
+        <h1>Record Validator</h2>
+
+        <form id="validate-form" method="post">
+          {% csrf_token %}
+          <label for="record_type">Record Type:</label>
+          <select name="record_type" id="record_type">
+            <option value="All">All</option>
+            <option value="CloudRecord">Cloud Record</option>
+            <option value="CloudSummaryRecord">Cloud Summary Record</option>
+            <option value="JobRecord">Job Record</option>
+            <option value="JobRecord04">Job Record v0.4</option>
+            <option value="NormalisedSummaryRecord">Normalised Summary Record</option>
+            <option value="NormalisedSummaryRecord04">Normalised Summary Record v0.4</option>
+            <option value="SummaryRecord">Summary Record</option>
+            <option value="SummaryRecord04">Summary Record v0.4</option>
+            <option value="SyncRecord">Sync Record</option>
+          </select>
+          <p>Selecting 'All' means the type is determined by the record header.</p>
+          <p>If you select a specific record type, the header will need to be removed from the record input.</p>
+          <p>v0.4 records are the newer record type - they require dictionary fields for benchmark data.</p>
+          <br>
+          <label for="input_record">Enter Record:</label>
+          <textarea
+            id="input_record"
+            name="input_record"
+            rows="15"
+            cols="50"
+            wrap="wrap"
+          >{{ input_record|default:''|escape }}</textarea>
+          <br><br>
+          <button type="submit" id="validate-button">Validate!</button>
+          <br><br>
+        </form>
+
+        <script>
+          // Setting select option back to what was selected (as it gets reset on form submission)
+          document.getElementById("record_type").value = "{{ record_type }}";
+        </script>
+
+        <div id="output">
+          {% if output %}
+            <h3>Validation Output</h3>
+            {{ output }}
+          {% endif %}
+        </div>
+    </body>
+</html>
diff --git a/monitoring/validator/tests.py b/monitoring/validator/tests.py
@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.
diff --git a/monitoring/validator/urls.py b/monitoring/validator/urls.py
@@ -0,0 +1,8 @@
+from django.urls import path
+
+from monitoring.validator import views
+
+urlpatterns = [
+    path('', views.index, name="validator"),
+]
+
diff --git a/monitoring/validator/views.py b/monitoring/validator/views.py
@@ -0,0 +1,89 @@
+from django.shortcuts import render
+from django.views.decorators.http import require_http_methods
+
+# Apel record-checking class imports
+from apel.db.loader.record_factory import RecordFactory, RecordFactoryException
+from apel.db.records.record import InvalidRecordException
+
+# Apel record-type class imports
+from apel.db.records.job import JobRecord, JobRecord04
+from apel.db.records.summary import SummaryRecord, SummaryRecord04
+from apel.db.records.normalised_summary import NormalisedSummaryRecord, NormalisedSummaryRecord04
+from apel.db.records.sync import SyncRecord
+from apel.db.records.cloud import CloudRecord
+from apel.db.records.cloud_summary import CloudSummaryRecord
+
+
+@require_http_methods(["GET", "POST"])
+def index(request):
+    """
+    Validates inputted records using the Apel record validation methods.
+    It either validates a record against a specific type or against all types, depending on what record_type
+        option was chosen on the html template. The default is `All`.
+    The input record, record type and validation output are then returned to the html template as context on get
+        request, so that the html page retains its information/context when refreshing the page or submitting the form.
+    """
+    template_name = "validator/validator_index.html"
+    input_record = ""
+    record_type = "All"
+    output = ""
+
+    # On form submission, trigger record validation
+    if request.method == "POST":
+        input_record = request.POST.get("input_record", "")
+        record_type = request.POST.get("record_type", "")
+        output = validate(input_record, record_type)
+
+    context = {
+        "input_record": input_record,
+        "record_type": record_type,
+        "output": output,
+    }
+
+    return render(request, template_name, context)
+
+
+def validate(record: str, record_type: str) -> str:
+    """
+    Validated record(s) and record_type passed in from the html page template.
+    If record type is all, make use of the create_records apel method (expects a record header).
+    Else, make use of the _create_record_objects apel method (expects there to be no record header).
+    If the record is valid, return a "valid record" string.
+    If the record is invalid, an InvalidRecordException or RecordFactoryException is raised by the Apel methods.
+    Catch these exceptions and return the exception information.
+    """
+    if not record:
+        return "Please enter a record to be validated."
+
+    record = record.strip()
+
+    # Map record_type string to record_type class
+    # String is always exact as determined through html form selection option
+    record_map = {
+        "JobRecord": JobRecord,
+        "JobRecord04": JobRecord04,
+        "SummaryRecord": SummaryRecord,
+        "SummaryRecord04": SummaryRecord04,
+        "NormalisedSummaryRecord": NormalisedSummaryRecord,
+        "NormalisedSummaryRecord04": NormalisedSummaryRecord04,
+        "SyncRecord": SyncRecord,
+        "CloudRecord": CloudRecord,
+        "CloudSummaryRecord": CloudSummaryRecord,
+    }
+
+    try:
+        recordFactory = RecordFactory()
+
+        if record_type == "All":
+            result = recordFactory.create_records(record)
+        else:
+            record_class = record_map[record_type]
+            result = recordFactory._create_record_objects(record, record_class)
+
+        if "Record object at" in str(result):
+            return "Record(s) valid!"
+
+        return str(result)
+
+    except (InvalidRecordException, RecordFactoryException) as e:
+        return str(e)
diff --git a/requirements.txt b/requirements.txt
@@ -1,4 +1,5 @@
 # Pin packages to support and work with py3.6.
+apel
 Django==3.2.25
 djangorestframework==3.15.1
 pytz==2025.2
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,3 @@
		from django.contrib import admin

		# Register your models here.
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,3 @@
		from django.test import TestCase

		# Create your tests here.