WebUI cpomponent:

- Added basic policy tab

src/webui/service/__init__.py

@@ -95,6 +95,9 @@ def create_app(use_config=None, web_app_root=None):
     from webui.service.link.routes import link              # pylint: disable=import-outside-toplevel
     app.register_blueprint(link)
 
+    from webui.service.policy.routes import policy          # pylint: disable=import-outside-toplevel
+    app.register_blueprint(policy)
+
     app.jinja_env.globals.update({              # pylint: disable=no-member
         'enumerate'           : enumerate,
         'json_to_list'        : json_to_list,

src/webui/service/policy/__init__.py

+# Copyright 2022-2023 ETSI TeraFlowSDN - TFS OSG (https://tfs.etsi.org/)
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+

src/webui/service/policy/routes.py

+# Copyright 2022-2023 ETSI TeraFlowSDN - TFS OSG (https://tfs.etsi.org/)
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import grpc
+from flask import render_template, Blueprint
+from common.proto.context_pb2 import Empty
+from common.proto.policy_pb2 import PolicyRuleStateEnum
+from context.client.ContextClient import ContextClient
+
+policy = Blueprint('policy', __name__, url_prefix='/policy')
+
+context_client = ContextClient()
+
+@policy.get('/')
+def home():
+    context_client.connect()
+    policy_rules = context_client.ListPolicyRules(Empty())
+    policy_rules = policy_rules.policyRules
+    context_client.close()
+    return render_template('policy/home.html', policy_rules=policy_rules, prse=PolicyRuleStateEnum)
+
+#@policy.get('<path:policy_uuid>/detail')
+#def detail(policy_uuid: str):
+#    try:
+#        context_client.connect()
+#
+#        slice_obj = get_slice_by_uuid(context_client, slice_uuid, rw_copy=False)
+#        if slice_obj is None:
+#            flash('Context({:s})/Slice({:s}) not found'.format(str(context_uuid), str(slice_uuid)), 'danger')
+#            slice_obj = Slice()
+#
+#        context_client.close()
+#
+#        return render_template(
+#            'slice/detail.html', slice=slice_obj, prse=PolicyRuleStateEnum)
+#    except Exception as e:
+#        flash('The system encountered an error and cannot show the details of this slice.', 'warning')
+#        current_app.logger.exception(e)
+#        return redirect(url_for('slice.home'))

src/webui/service/templates/base.html

@@ -83,6 +83,13 @@
                   <a class="nav-link" href="{{ url_for('slice.home') }}">Slice</a>
                   {% endif %}
                 </li>
+                <li class="nav-item">
+                  {% if '/policy/' in request.path %}
+                  <a class="nav-link active" aria-current="page" href="{{ url_for('policy.home') }}">Policy</a>
+                  {% else %}
+                  <a class="nav-link" href="{{ url_for('policy.home') }}">Policy</a>
+                  {% endif %}
+                </li>
                 <li class="nav-item">
                   <a class="nav-link" href="/grafana" id="grafana_link" target="grafana">Grafana</a>
                 </li>

src/webui/service/templates/policy/home.html

+<!--
+ Copyright 2022-2023 ETSI TeraFlowSDN - TFS OSG (https://tfs.etsi.org/)
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+-->
+
+{% extends 'base.html' %}
+
+{% block content %}
+    <h1>Policy</h1>
+
+    <div class="row">
+        <div class="col">
+            {{ policies | length }} policies found in context <i>{{ session['context_uuid'] }}</i>
+        </div>
+    </div>
+
+    <table class="table table-striped table-hover">
+        <thead>
+          <tr>
+            <th scope="col">UUID</th>
+            <th scope="col">Kind</th>
+            <th scope="col">Priority</th>
+            <th scope="col">Condition</th>
+            <th scope="col">Operator</th>
+            <th scope="col">Action</th>
+            <th scope="col">Service</th>
+            <th scope="col">Devices</th>
+            <th scope="col">State</th>
+            <th scope="col">Message</th>
+            <th scope="col">Extra</th>
+            <th scope="col"></th>
+          </tr>
+        </thead>
+        <tbody>
+            {% if policies %}
+                {% for policy in policies %}
+                    {% if policy.WhichOneof('policy_rule') == 'device' %}
+                        <tr>
+                            <td>{{ policy.device.policyRuleBasic.policyRuleId.uuid }}</td>
+                            <td>{{ policy.WhichOneof('policy_rule') }}</td>
+                            <td>{{ policy.device.policyRuleBasic.priority }}</td>
+                            <td>{{ policy.device.policyRuleBasic.conditionList }}</td>
+                            <td>{{ policy.device.policyRuleBasic.booleanOperator }}</td>
+                            <td>{{ policy.device.policyRuleBasic.actionList }}</td>
+                            <td>-</td>
+                            <td>{{ policy.device.deviceList }}</td>
+                            <td>{{ prse.Name(policy.device.policyRuleBasic.policyRuleState.policyRuleState).replace('POLICY_', '') }}</td>
+                            <td>{{ policy.device.policyRuleBasic.policyRuleState.policyRuleStateMessage }}</td>
+                        </tr>
+                    {% elif policy.WhichOneof('policy_rule') == 'service' %}
+                        <tr>
+                            <td>{{ policy.service.policyRuleBasic.policyRuleId.uuid }}</td>
+                            <td>{{ policy.WhichOneof('policy_rule') }}</td>
+                            <td>{{ policy.service.policyRuleBasic.priority }}</td>
+                            <td>{{ policy.service.policyRuleBasic.conditionList }}</td>
+                            <td>{{ policy.service.policyRuleBasic.booleanOperator }}</td>
+                            <td>{{ policy.service.policyRuleBasic.actionList }}</td>
+                            <td>{{ policy.service.serviceId }}</td>
+                            <td>{{ policy.service.deviceList }}</td>
+                            <td>{{ prse.Name(policy.service.policyRuleBasic.policyRuleState.policyRuleState).replace('POLICY_', '') }}</td>
+                            <td>{{ policy.service.policyRuleBasic.policyRuleState.policyRuleStateMessage }}</td>
+                        </tr>
+                    {% else %}
+                        <tr><td colspan="7">Unsupported policy type {{ policy.WhichOneof('policy_rule') }}</td></tr>
+                    {% endif %}
+                {% endfor %}
+            {% else %}
+                <tr><td colspan="7">No policies found</td></tr>
+            {% endif %}
+        </tbody>
+    </table>
+
+{% endblock %}