Bug 1944805 - Replacing DNS nameservers in OCP 4
Summary: Replacing DNS nameservers in OCP 4
Keywords:
Status: CLOSED NOTABUG
Alias: None
Product: OpenShift Container Platform
Classification: Red Hat
Component: Machine Config Operator
Version: 4.6
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: ---
: ---
Assignee: MCO Team
QA Contact: Jian Zhang
URL:
Whiteboard:
: 2028789 (view as bug list)
Depends On: 1948065
Blocks: 1924176
TreeView+ depends on / blocked
 
Reported: 2021-03-30 17:16 UTC by Derrick Ornelas
Modified: 2022-10-17 08:37 UTC (History)
52 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of: 1924176
Environment:
Last Closed: 2021-09-21 22:32:01 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Knowledge Base (Solution) 4518671 0 None None None 2021-04-22 18:21:11 UTC
Red Hat Knowledge Base (Solution) 5309941 0 None None None 2021-04-22 18:21:11 UTC
Red Hat Knowledge Base (Solution) 5494101 0 None None None 2021-04-22 18:21:11 UTC
Red Hat Knowledge Base (Solution) 5704671 0 None None None 2021-04-22 18:21:11 UTC
Red Hat Knowledge Base (Solution) 6250271 0 None None None 2021-09-21 22:07:29 UTC

Comment 3 Anand Paladugu 2021-04-06 17:42:52 UTC 
Hi

Can anyone confirm if the published procedure (https://access.redhat.com/solutions/4518671) does not work in a specific version of OCP ? I have a OCP 4.5 customer that already implemented this solution in 2 clusters without an issue and wants to do it in the third cluster and is now complaining since he cannot access this article any more.

Thx

Anand
Comment 21 Derrick Ornelas 2021-09-21 22:32:01 UTC 
OpenShift Container Platform currently does not have out-of-the-box support for post-installation networking configuration.  Depending on the desired changes there are solutions.  For example, updating DNS/nameserver configuration as described in this bug report can be achieved via an example given in the following kbase solution:

  Defining systemd services via MachineConfig in OCP 4.x 
  https://access.redhat.com/solutions/6250271


A general, out-of-the-box solution for post-installation networking configuration is in development, and the official request for this functionality can be found at:

  Enable support for day-2 changes in static network configuration
  https://issues.redhat.com/browse/RFE-1559


We will close this bug report, and the Feature Request above will be used to track the status of this functionality.
Comment 22 Derrick Ornelas 2021-12-06 16:53:51 UTC 
*** Bug 2028789 has been marked as a duplicate of this bug. ***
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