refactor(instrumentations): add safeguard for unknown values

Author: dszakallas

lib/instrumentations/utils/wrapQuery.js

@@ -14,7 +14,9 @@ function wrapQuery (original, args, agent, params) {
     reportSend: function () {
       var briefcase = agent.storage.get('tracer.briefcase')
       var communication = briefcase && briefcase.communication
-      var severity = briefcase && briefcase.severity
+
+      var action = _params.method == null ? 'unknown' : _params.method
+      var resource = _params.url == null ? 'unknown' : _params.url
 
       var cs = agent.tracer.collector.clientSend({
         protocol: _params.protocol,
@@ -27,10 +29,9 @@ function wrapQuery (original, args, agent, params) {
         communication: communication
       })
 
-      debug('#wrapQuery', format('CS(%s) [%s %s %s %s]',
-        cs.briefcase.csCtx.communicationId, _params.protocol,
-        _params.method, _params.url,
-        _params.host))
+    debug('#wrapQuery', format('CS(%s) [%s %s %s %s]',
+      cs.briefcase.csCtx.communicationId, _params.protocol,
+      action, resource, _params.host))
 
       return cs
     },