Replace single by double quotes in fetch credentials

'fuel --env $env_id' fails because a variable in single quotes
is not read, it is treated as a literal string.
When using double quotes, the variable is replaced by
its value

Change-Id: I39e777ec27c547e012d6f4674bc24e20d421889c
Signed-off-by: jose.lausuch <jose.lausuch@ericsson.com>

diff --git a/utils/fetch_os_creds.sh b/utils/fetch_os_creds.sh
index 65c8af3..0f4b25d 100755 (executable)
--- a/utils/fetch_os_creds.sh
+++ b/utils/fetch_os_creds.sh
@@ -89,7 +89,7 @@ if [ "$installer_type" == "fuel" ]; then
 
     # Check if controller is alive (online='True')
     controller_ip=$(sshpass -p r00tme ssh 2>/dev/null $ssh_options root@${installer_ip} \
-        'fuel node --env ${env_id} | grep controller | grep "True\|  1" | awk -F\| "{print \$5}" | tail -1' | \
+        "fuel node --env ${env_id} | grep controller | grep 'True\|  1' | awk -F\| '{print \$5}' | head -1" | \
         sed 's/ //g') &> /dev/null
 
     if [ -z $controller_ip ]; then