diff --git a/exercises/aggregates.sh b/exercises/aggregates.sh
index e5fc7de..6cc81ae 100755
--- a/exercises/aggregates.sh
+++ b/exercises/aggregates.sh
@@ -66,7 +66,10 @@
 exit_if_aggregate_present $AGGREGATE_NAME
 
 AGGREGATE_ID=$(nova aggregate-create $AGGREGATE_NAME $AGGREGATE_A_ZONE | grep " $AGGREGATE_NAME " | get_field 1)
+die_if_not_set $LINENO AGGREGATE_ID "Failure creating AGGREGATE_ID for $AGGREGATE_NAME $AGGREGATE_A_ZONE"
+
 AGGREGATE2_ID=$(nova aggregate-create $AGGREGATE2_NAME $AGGREGATE_A_ZONE | grep " $AGGREGATE2_NAME " | get_field 1)
+die_if_not_set $LINENO AGGREGATE2_ID "Fail creating AGGREGATE2_ID for $AGGREGATE2_NAME $AGGREGATE_A_ZONE"
 
 # check aggregate created
 nova aggregate-list | grep -q " $AGGREGATE_NAME " || die $LINENO "Aggregate $AGGREGATE_NAME not created"
diff --git a/exercises/floating_ips.sh b/exercises/floating_ips.sh
index 1a1608c..4d71d49 100755
--- a/exercises/floating_ips.sh
+++ b/exercises/floating_ips.sh
@@ -114,6 +114,7 @@
 if [[ -z "$INSTANCE_TYPE" ]]; then
     # grab the first flavor in the list to launch if default doesn't exist
     INSTANCE_TYPE=$(nova flavor-list | head -n 4 | tail -n 1 | get_field 1)
+    die_if_not_set $LINENO INSTANCE_TYPE "Failure retrieving INSTANCE_TYPE"
 fi
 
 # Clean-up from previous runs
diff --git a/exercises/neutron-adv-test.sh b/exercises/neutron-adv-test.sh
index 7dfa5dc..28e0a3d 100755
--- a/exercises/neutron-adv-test.sh
+++ b/exercises/neutron-adv-test.sh
@@ -139,24 +139,28 @@
 
 function get_image_id {
     local IMAGE_ID=$(glance image-list | egrep " $DEFAULT_IMAGE_NAME " | get_field 1)
+    die_if_not_set $LINENO IMAGE_ID "Failure retrieving IMAGE_ID"
     echo "$IMAGE_ID"
 }
 
 function get_tenant_id {
     local TENANT_NAME=$1
     local TENANT_ID=`keystone tenant-list | grep " $TENANT_NAME " | head -n 1 | get_field 1`
+    die_if_not_set $LINENO TENANT_ID "Failure retrieving TENANT_ID for $TENANT_NAME"
     echo "$TENANT_ID"
 }
 
 function get_user_id {
     local USER_NAME=$1
     local USER_ID=`keystone user-list | grep $USER_NAME | awk '{print $2}'`
+    die_if_not_set $LINENO USER_ID "Failure retrieving USER_ID for $USER_NAME"
     echo "$USER_ID"
 }
 
 function get_role_id {
     local ROLE_NAME=$1
     local ROLE_ID=`keystone role-list | grep $ROLE_NAME | awk '{print $2}'`
+    die_if_not_set $LINENO ROLE_ID "Failure retrieving ROLE_ID for $ROLE_NAME"
     echo "$ROLE_ID"
 }
 
@@ -169,6 +173,7 @@
 function get_flavor_id {
     local INSTANCE_TYPE=$1
     local FLAVOR_ID=`nova flavor-list | grep $INSTANCE_TYPE | awk '{print $2}'`
+    die_if_not_set $LINENO FLAVOR_ID "Failure retrieving FLAVOR_ID for $INSTANCE_TYPE"
     echo "$FLAVOR_ID"
 }
 
@@ -234,6 +239,7 @@
     local TENANT_ID=$(get_tenant_id $TENANT)
     source $TOP_DIR/openrc $TENANT $TENANT
     local NET_ID=$(neutron net-create --tenant_id $TENANT_ID $NET_NAME $EXTRA| grep ' id ' | awk '{print $4}' )
+    die_if_not_set $LINENO NET_ID "Failure creating NET_ID for $TENANT_ID $NET_NAME $EXTRA"
     neutron subnet-create --ip_version 4 --tenant_id $TENANT_ID --gateway $GATEWAY $NET_ID $CIDR
     neutron-debug probe-create --device-owner compute $NET_ID
     source $TOP_DIR/openrc demo demo
diff --git a/exercises/sec_groups.sh b/exercises/sec_groups.sh
index 7d80570..eb32cc7 100755
--- a/exercises/sec_groups.sh
+++ b/exercises/sec_groups.sh
@@ -56,6 +56,7 @@
 
 # Check to make sure rules were added
 SEC_GROUP_RULES=( $(nova secgroup-list-rules $SEC_GROUP_NAME | grep -v \- | grep -v 'Source Group' | cut -d '|' -f3 | tr -d ' ') )
+die_if_not_set $LINENO SEC_GROUP_RULES "Failure retrieving SEC_GROUP_RULES for $SEC_GROUP_NAME"
 for i in "${RULES_TO_ADD[@]}"; do
     skip=
     for j in "${SEC_GROUP_RULES[@]}"; do
diff --git a/exercises/volumes.sh b/exercises/volumes.sh
index 9ee9fa9..77fa4eb 100755
--- a/exercises/volumes.sh
+++ b/exercises/volumes.sh
@@ -118,6 +118,7 @@
 if [[ -z "$INSTANCE_TYPE" ]]; then
     # grab the first flavor in the list to launch if default doesn't exist
     INSTANCE_TYPE=$(nova flavor-list | head -n 4 | tail -n 1 | get_field 1)
+    die_if_not_set $LINENO INSTANCE_TYPE "Failure retrieving INSTANCE_TYPE"
 fi
 
 # Clean-up from previous runs