From e50a077522a5f95a94f55cb8ca6cd60e685a8256 Mon Sep 17 00:00:00 2001
From: Fred Park <fred.park@microsoft.com>
Date: Mon, 9 Jul 2018 08:51:02 -0700
Subject: [PATCH] Fix storage cluster provisioning with ne opts

- Node exporter options not properly handled when not specified
---
 convoy/remotefs.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/convoy/remotefs.py b/convoy/remotefs.py
index f47f99f..12beb11 100644
--- a/convoy/remotefs.py
+++ b/convoy/remotefs.py
@@ -364,9 +364,13 @@ def _create_virtual_machine_extension(
         smb = None
     # construct bootstrap command
     if rfs.storage_cluster.prometheus.ne_enabled:
+        if util.is_not_empty(rfs.storage_cluster.prometheus.ne_options):
+            pneo = ','.join(rfs.storage_cluster.prometheus.ne_options)
+        else:
+            pneo = ''
         promopt = ' -e \'{},{}\''.format(
-            rfs.storage_cluster.prometheus.ne_port,
-            ','.join(rfs.storage_cluster.prometheus.ne_options))
+            rfs.storage_cluster.prometheus.ne_port, pneo)
+        del pneo
     else:
         promopt = ''
     cmd = './{bsf} {c}{d}{e}{f}{i}{m}{n}{o}{p}{r}{s}{t}'.format(