diff --git a/stacklight_tests/helpers/checkers.py b/stacklight_tests/helpers/checkers.py
index 5f8d284..71adc57 100644
--- a/stacklight_tests/helpers/checkers.py
+++ b/stacklight_tests/helpers/checkers.py
@@ -12,6 +12,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from contextlib import closing
+import socket
+
 from proboscis import asserts
 import requests
 
@@ -56,3 +59,15 @@ def check_process_count(remote, process, count):
         len(pids), count,
         msg.format(process=process, count=count, got=len(pids)))
     return pids
+
+
+def check_port(address, port):
+    """Check whether or not a TCP port is open.
+
+    :param address: server address
+    :type address: str
+    :param port: server port
+    :type port: str
+    """
+    with closing(socket.socket(socket.AF_INET, socket.SOCK_STREAM)) as sock:
+        return sock.connect_ex((address, port)) == 0
diff --git a/stacklight_tests/influxdb_grafana/api.py b/stacklight_tests/influxdb_grafana/api.py
index 3bb2ee1..e320042 100644
--- a/stacklight_tests/influxdb_grafana/api.py
+++ b/stacklight_tests/influxdb_grafana/api.py
@@ -23,6 +23,18 @@ from stacklight_tests.influxdb_grafana import plugin_settings
 
 
 class InfluxdbPluginApi(base_test.PluginApi):
+    def __init__(self):
+        super(InfluxdbPluginApi, self).__init__()
+        self._grafana_port = None
+
+    @property
+    def grafana_port(self):
+        if self._grafana_port is None:
+            self._grafana_port = 80
+            if self.checkers.check_port(self.get_plugin_vip(), 8000):
+                self._grafana_port = 8000
+        return self._grafana_port
+
     def get_plugin_settings(self):
         return plugin_settings
 
@@ -39,7 +51,8 @@ class InfluxdbPluginApi(base_test.PluginApi):
         return self.helpers.get_plugin_vip(self.settings.vip_name)
 
     def get_grafana_url(self, path=''):
-        return "http://{0}:8000/{1}".format(self.get_plugin_vip(), path)
+        return "http://{0}:{1}/{2}".format(self.get_plugin_vip(),
+                                           self.grafana_port, path)
 
     def get_influxdb_url(self, path=''):
         return "http://{0}:8086/{1}".format(self.get_plugin_vip(), path)
@@ -118,8 +131,7 @@ class InfluxdbPluginApi(base_test.PluginApi):
             self.settings.name, self.settings.version)
 
     def check_grafana_dashboards(self):
-        grafana_url = self.get_grafana_url()
-        ui_api.check_grafana_dashboards(grafana_url)
+        ui_api.check_grafana_dashboards(self.get_grafana_url())
 
     def get_nova_instance_creation_time_metrics(self, time_point=None):
         """Gets instance creation metrics for provided interval
diff --git a/stacklight_tests/lma_infrastructure_alerting/api.py b/stacklight_tests/lma_infrastructure_alerting/api.py
index e6ec427..45f735b 100644
--- a/stacklight_tests/lma_infrastructure_alerting/api.py
+++ b/stacklight_tests/lma_infrastructure_alerting/api.py
@@ -25,6 +25,18 @@ from stacklight_tests.lma_infrastructure_alerting import(
 
 
 class InfraAlertingPluginApi(base_test.PluginApi):
+    def __init__(self):
+        super(InfraAlertingPluginApi, self).__init__()
+        self._nagios_port = None
+
+    @property
+    def nagios_port(self):
+        if self._nagios_port is None:
+            self._nagios_port = 80
+            if self.checkers.check_port(self.get_plugin_vip(), 8001):
+                self._nagios_port = 8001
+        return self._nagios_port
+
     def get_plugin_settings(self):
         return infra_alerting_plugin_settings
 
@@ -60,12 +72,13 @@ class InfraAlertingPluginApi(base_test.PluginApi):
         )
 
     def get_authenticated_nagios_url(self):
-        return "http://{0}:{1}@{2}:8001".format(self.settings.nagios_user,
-                                                self.settings.nagios_password,
-                                                self.get_plugin_vip())
+        return "http://{0}:{1}@{2}:{3}".format(self.settings.nagios_user,
+                                               self.settings.nagios_password,
+                                               self.get_plugin_vip(),
+                                               self.nagios_port)
 
     def get_nagios_url(self):
-        return "http://{}:8001/".format(self.get_plugin_vip())
+        return "http://{0}:{1}".format(self.get_plugin_vip(), self.nagios_port)
 
     def open_nagios_page(self, link_text, anchor):
         driver = self.ui_tester.get_driver(self.get_authenticated_nagios_url(),