add assertions for blind grep
blind grep is error-prone.
Add assertions for errors we can not handle
Change-Id: Ibe19085545ecc848498506e8b8ee14e71825b273
diff --git a/stack.sh b/stack.sh
index 5813a8a..3c4afd9 100755
--- a/stack.sh
+++ b/stack.sh
@@ -1068,7 +1068,9 @@
# Create an access key and secret key for nova ec2 register image
if is_service_enabled key && is_service_enabled swift3 && is_service_enabled nova; then
NOVA_USER_ID=$(keystone user-list | grep ' nova ' | get_field 1)
+ die_if_not_set $LINENO NOVA_USER_ID "Failure retrieving NOVA_USER_ID for nova"
NOVA_TENANT_ID=$(keystone tenant-list | grep " $SERVICE_TENANT_NAME " | get_field 1)
+ die_if_not_set $LINENO NOVA_TENANT_ID "Failure retrieving NOVA_TENANT_ID for $SERVICE_TENANT_NAME"
CREDS=$(keystone ec2-credentials-create --user_id $NOVA_USER_ID --tenant_id $NOVA_TENANT_ID)
ACCESS_KEY=$(echo "$CREDS" | awk '/ access / { print $4 }')
SECRET_KEY=$(echo "$CREDS" | awk '/ secret / { print $4 }')