Merge "Allow replacing a user variable in a swift template"
diff --git a/lib/swift b/lib/swift
index ae8ef74..25d443d 100644
--- a/lib/swift
+++ b/lib/swift
@@ -55,7 +55,13 @@
# swift data. Set ``SWIFT_LOOPBACK_DISK_SIZE`` to the disk size in
# kilobytes.
# Default is 1 gigabyte.
-SWIFT_LOOPBACK_DISK_SIZE=${SWIFT_LOOPBACK_DISK_SIZE:-1000000}
+SWIFT_LOOPBACK_DISK_SIZE_DEFAULT=1048576
+# if tempest enabled the default size is 4 Gigabyte.
+if is_service_enabled tempest; then
+ SWIFT_LOOPBACK_DISK_SIZE_DEFAULT=${SWIFT_LOOPBACK_DISK_SIZE:-4194304}
+fi
+
+SWIFT_LOOPBACK_DISK_SIZE=${SWIFT_LOOPBACK_DISK_SIZE:-$SWIFT_LOOPBACK_DISK_SIZE_DEFAULT}
# Set ``SWIFT_EXTRAS_MIDDLEWARE`` to extras middlewares.
# Default is ``staticweb, tempurl, formpost``