Adding pending certificate metric. (#473)

lemur/plugins/lemur_verisign/plugin.py

@@ -188,6 +188,25 @@ class VerisignIssuerPlugin(IssuerPlugin):
         response = self.session.post(url, headers={'content-type': 'application/x-www-form-urlencoded'})
         return handle_response(response.content)['Response']['Order']
 
+    def get_pending_certificates(self):
+        """
+        Uses Verisign to fetch the number of certificate awaiting approval.
+
+        :return:
+        """
+        url = current_app.config.get("VERISIGN_URL") + '/reportingws'
+
+        end = arrow.now()
+        start = end.replace(days=-7)
+        data = {
+            'reportType': 'summary',
+            'certProductType': 'Server',
+            'startDate': start.format("MM/DD/YYYY"),
+            'endDate': end.format("MM/DD/YYYY"),
+        }
+        response = self.session.post(url, data=data)
+        return response.json()['certificateSummary'][0]['Pending']
+
 
 class VerisignSourcePlugin(SourcePlugin):
     title = 'Verisign'