Bug 2058511
| Summary: | On-prem prepender dispatcher script overwrites DNS search settings | ||
|---|---|---|---|
| Product: | OpenShift Container Platform | Reporter: | OpenShift BugZilla Robot <openshift-bugzilla-robot> |
| Component: | Machine Config Operator | Assignee: | Christoph Stäbler <cstabler> |
| Machine Config Operator sub component: | platform-baremetal | QA Contact: | Aleksandra Malykhin <amalykhi> |
| Status: | CLOSED ERRATA | Docs Contact: | |
| Severity: | urgent | ||
| Priority: | urgent | CC: | aos-bugs, cstabler, m.andre, pibanezr, rupatel, tsedovic, vpickard |
| Version: | 4.10 | ||
| Target Milestone: | --- | ||
| Target Release: | 4.9.z | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | If docs needed, set a value | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2022-03-16 11:39:24 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | 2017564 | ||
| Bug Blocks: | 2058789 | ||
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 (OpenShift Container Platform 4.9.24 bug fix update), 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-2022:0798 |
Verified on Cluster version is 4.9.0-0.nightly-2022-02-26-024514 Kubernetes NMState Operator 4.9.0-202202120107 1. Deploy the cluster 2. Install nmstate operator 3. Apply the network policy [kni@provisionhost-0-0 ~]$ oc apply -f dns.yaml nodenetworkconfigurationpolicy.nmstate.io/amdns created [kni@provisionhost-0-0 ~]$ oc get nncp NAME STATUS amdns Available 4. Go to the node and verify that the resolv.conf was updated [kni@provisionhost-0-0 ~]$ ssh core@worker-0-0 [core@worker-0-0 ~]$ cat /etc/resolv.conf # Generated by KNI resolv prepender NM dispatcher script search ocp-edge-cluster-0.qe.lab.redhat.com example.com nameserver 192.168.123.119 nameserver 8.8.8.8 nameserver 192.168.123.1 ==================================== cat dns.yaml apiVersion: nmstate.io/v1beta1 kind: NodeNetworkConfigurationPolicy metadata: name: amdns spec: nodeSelector: kubernetes.io/hostname: worker-0-0 desiredState: dns-resolver: config: search: - example.com server: - 8.8.8.8 interfaces: - name: enp0s3 type: ethernet state: up ipv4: auto-dns: false enabled: true dhcp: true