Initialize newly added glance-image-import config file

This patch creates a new config file glance-image-import.conf
at /etc/glance path. Also, each config option is initialized
with default values.

Need these changes to implement specs [1]:

[1]: https://blueprints.launchpad.net/glance/+spec/inject-automatic-metadata

Related-Change-Id: If14c7dc4f38360006f9cb350fbba54fa2f33be61
Change-Id: I665507db1838a50e344d3be909d7490f1f52040c
diff --git a/lib/glance b/lib/glance
index ad286ba..95d2450 100644
--- a/lib/glance
+++ b/lib/glance
@@ -56,6 +56,7 @@
 GLANCE_POLICY_JSON=$GLANCE_CONF_DIR/policy.json
 GLANCE_SCHEMA_JSON=$GLANCE_CONF_DIR/schema-image.json
 GLANCE_SWIFT_STORE_CONF=$GLANCE_CONF_DIR/glance-swift-store.conf
+GLANCE_IMAGE_IMPORT_CONF=$GLANCE_CONF_DIR/glance-image-import.conf
 GLANCE_V1_ENABLED=${GLANCE_V1_ENABLED:-False}
 
 if is_service_enabled tls-proxy; then
@@ -232,6 +233,11 @@
     # Store specific confs
     iniset $GLANCE_CACHE_CONF glance_store filesystem_store_datadir $GLANCE_IMAGE_DIR/
 
+    # Set default configuration options for the glance-image-import
+    iniset $GLANCE_IMAGE_IMPORT_CONF image_import_opts image_import_plugins []
+    iniset $GLANCE_IMAGE_IMPORT_CONF inject_metadata_properties ignore_user_roles admin
+    iniset $GLANCE_IMAGE_IMPORT_CONF inject_metadata_properties inject
+
     cp -p $GLANCE_DIR/etc/policy.json $GLANCE_POLICY_JSON
     cp -p $GLANCE_DIR/etc/schema-image.json $GLANCE_SCHEMA_JSON