Merge "Check images with format_inspector for safety" into unmaintained/zed

Author: Zuul

nova/conf/workarounds.py

@@ -438,6 +438,16 @@
 Howerver, if you don't use automatic cleaning, it can cause an
 extra delay before and Ironic node is available for building a
 new Nova instance.
+"""),
+    cfg.BoolOpt(
+        'disable_deep_image_inspection',
+        default=False,
+        help="""
+This disables the additional deep image inspection that the compute node does
+when downloading from glance. This includes backing-file, data-file, and
+known-features detection *before* passing the image to qemu-img. Generally,
+this inspection should be enabled for maximum safety, but this workaround
+option allows disabling it if there is a compatibility concern.
 """),
 ]