Version 3 of the API has been deprecate since version 4.0 of oVirt, and it will be completely removed in version 4.2, together with the ovirt-shell, and version 3 of the Python and Java SDKs.
Note that version 3 of the API has been replaced by version 4, which is fully supported. Documentation of the new API is available in the server itself: https://myengine.example.com/ovirt-engine/api/model And here: https://access.redhat.com/documentation/en/red-hat-virtualization/4.0/paged/rest-api-guide As summary of the differences between version 3 and version 4 is available here: https://github.com/oVirt/ovirt-engine/tree/master/backend/manager/modules/restapi
Connecting redmine issue http://projects.theforeman.org/issues/19568 from this bug
Verified on ovirt-engine-4.3.0.4-1.el7
This bugzilla is included in oVirt 4.3.0 release, published on February 4th 2019. Since the problem described in this bug report should be resolved in oVirt 4.3.0 release, it has been closed with a resolution of CURRENT RELEASE. If the solution does not work for you, please open a new bug report.