Add os-test-images support in lib/tempest

This generates the test images in os-test-images and also configures
tempest to know where it is (and if image conversion is enabled in
glance).

Change-Id: Ib74002828a77838ab95d2322e92bdab68caac37c

.zuul.yaml

@@ -510,6 +510,7 @@
       - opendev.org/openstack/nova
       - opendev.org/openstack/placement
       - opendev.org/openstack/swift
+      - opendev.org/openstack/os-test-images
     timeout: 7200
     vars:
       # based on observation of the integrated gate

lib/tempest

@@ -105,6 +105,10 @@ TEMPEST_CONCURRENCY=${TEMPEST_CONCURRENCY:-$(nproc)}
 TEMPEST_FLAVOR_RAM=${TEMPEST_FLAVOR_RAM:-192}
 TEMPEST_FLAVOR_ALT_RAM=${TEMPEST_FLAVOR_ALT_RAM:-256}
 
+OSTESTIMAGES_REPO=${OSTESTIMAGES_REPO:-${GIT_BASE}/openstack/os-test-images.git}
+OSTESTIMAGES_BRANCH=${OSTESTIMAGES_BRANCH:-$BRANCHLESS_TARGET_BRANCH}
+OSTESTIMAGES_DIR=${DEST}/os-test-images
+
 # Functions
 # ---------
 
@@ -357,6 +361,19 @@ function configure_tempest {
         fi
     fi
 
+    if is_service_enabled glance; then
+        git_clone $OSTESTIMAGES_REPO $OSTESTIMAGES_DIR $OSTESTIMAGES_BRANCH
+        pushd $OSTESTIMAGES_DIR
+        tox -egenerate
+        popd
+        iniset $TEMPEST_CONFIG image images_manifest_file ${OSTESTIMAGES_DIR}/images/manifest.yaml
+        local image_conversion
+        image_conversion=$(iniget $GLANCE_IMAGE_IMPORT_CONF image_conversion output_format)
+        if [[ "$image_conversion" ]]; then
+            iniset $TEMPEST_CONFIG image-feature-enabled image_conversion True
+        fi
+    fi
+
     iniset $TEMPEST_CONFIG network project_network_cidr $FIXED_RANGE
 
     ssh_connect_method=${TEMPEST_SSH_CONNECT_METHOD:-$ssh_connect_method}