CI using custom node file

Tripleo quickstart made changes to default node files
to use mapping to rename the compute/controller-0.
This commit will allow us to use the old version.

https://review.openstack.org/#/c/531504/2

Change-Id: Iec82b61b2088d70c30142df27b251f28a68738e8

ci-scripts/tripleo/config/nodes/1ctlr_1comp.yml

@@ -0,0 +1,13 @@
+# This is a workaround for
+# https://github.com/openstack/tripleo-quickstart/commit/4b5918ced49a4907f299931a7d026137ac0804fb
+# Define a single controller node and a single compute node.
+overcloud_nodes:
+  - name: control_0
+    flavor: control
+    virtualbmc_port: 6230
+
+  - name: compute_0
+    flavor: compute
+    virtualbmc_port: 6231
+
+node_count: 2

ci-scripts/tripleo/microbrow.sh

@@ -76,6 +76,7 @@ echo "file://$WORKSPACE/browbeat/#egg=browbeat" >> $REQS
 --working-dir $WORKSPACE \
 --bootstrap \
 --no-clone \
+--nodes $WORKSPACE/browbeat/ci-scripts/tripleo/config/nodes/1ctlr_1comp.yml \
 -t all \
 -S overcloud-validate \
 -R $RELEASE \