Disable Cinder v1 API support by default

Cinder API v1 will be removed Mitaka so we don't need to setup it be
default.

To enable Cinder API v1 you need to set CINDER_ENABLE_V1_API=True in
your Devstack config.

Related-Bug: #1467589

Depends-On: I6916eb3e4b7c85f37be8b365b11ca8b48f88177c
Change-Id: I0754e357433cfcd9fde7e937a4a1b440580b6289
diff --git a/lib/tempest b/lib/tempest
index d372e0f..3624b96 100644
--- a/lib/tempest
+++ b/lib/tempest
@@ -494,6 +494,15 @@
         iniset $TEMPEST_CONFIG volume-feature-enabled backup False
     fi
 
+    # Use only Cinder API v2
+    if [[ ${CINDER_ENABLE_V1_API} = True ]]; then
+        iniset $TEMPEST_CONFIG volume-feature-enabled api_v1 True
+        iniset $TEMPEST_CONFIG volume catalog_type volume
+    else
+        iniset $TEMPEST_CONFIG volume-feature-enabled api_v1 False
+        iniset $TEMPEST_CONFIG volume catalog_type volumev2
+    fi
+
     # Using ``CINDER_ENABLED_BACKENDS``
     if [[ -n "$CINDER_ENABLED_BACKENDS" ]] && [[ $CINDER_ENABLED_BACKENDS =~ .*,.* ]]; then
         iniset $TEMPEST_CONFIG volume-feature-enabled multi_backend "True"