Bug 1732389

Summary:	Cannot preserve old DNS config when applying empty state
Product:	Red Hat Enterprise Linux 8	Reporter:	Gris Ge <fge>
Component:	nmstate	Assignee:	Gris Ge <fge>
Status:	CLOSED ERRATA	QA Contact:	Mingyu Shi <mshi>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	8.1	CC:	jiji, network-qe
Target Milestone:	rc
Target Release:	8.1
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	nmstate-0.0.8-1.el8	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-11-05 20:51:59 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Gris Ge 2019-07-23 09:31:50 UTC

Description of problem:

When applying empty state, the nmstate will move the DNS config to the default gateway interface instead of preserving old DNS config savings.

Version-Release number of selected component (if applicable):
nmstate-0.0.7-1.el8

How reproducible:
100%


Steps to Reproduce:
1. Use nmcli to save a DNS entry in a non-default gateway interface.
2. Create `empty.yml` with below content:

---
interfaces: []

3. sudo nmstatectl set empty.yml

Actual results:

The DNS config moved to the interface with default gateway.

Expected results:

The old DNS config been preserved.

Additional info:
Upstream fix is a87f03dc7b8377340da9c20b82344bbf9d1933c0

Comment 4 errata-xmlrpc 2019-11-05 20:51:59 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2019:3347