Bug 2028967
| Summary: | Whereabouts should reconcile stranded IP addresses | |||
|---|---|---|---|---|
| Product: | OpenShift Container Platform | Reporter: | Douglas Smith <dosmith> | |
| Component: | Networking | Assignee: | Douglas Smith <dosmith> | |
| Networking sub component: | multus | QA Contact: | Weibin Liang <weliang> | |
| Status: | CLOSED ERRATA | Docs Contact: | ||
| Severity: | high | |||
| Priority: | high | CC: | weliang | |
| Version: | 4.10 | Keywords: | FastFix | |
| Target Milestone: | --- | |||
| Target Release: | 4.7.z | |||
| Hardware: | Unspecified | |||
| OS: | Unspecified | |||
| Whiteboard: | ||||
| Fixed In Version: | Doc Type: | Enhancement | ||
| Doc Text: |
Feature: Implements an IP reconciliation job for Whereabouts IPAM CNI called "ip-reconciler" which runs as a Kubernetes cronjob.
Reason: On occasion events occur where the CNI DEL action will not complete for a given pod (for example, a forcefully powered off node), and in such a case stored IP address allocations may be left stranded and unable to be allocated without manual intervention.
Result: Stranded IP address allocations are garbage collected automatically on a periodic basis to free unused IP addresses.
|
Story Points: | --- | |
| Clone Of: | 2028966 | |||
| : | 2028968 (view as bug list) | Environment: | ||
| Last Closed: | 2022-02-16 11:19:40 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: | 2028966 | |||
| Bug Blocks: | 2028968 | |||
|
Description
Douglas Smith
2021-12-03 20:28:29 UTC
Testing passed in cluster-bot: launch openshift/whereabouts-cni#79,openshift/cluster-network-operator#1266
[weliang@weliang Test]$ oc get clusterversion
NAME VERSION AVAILABLE PROGRESSING SINCE STATUS
version 4.7.0-0.ci.test-2022-02-01-142111-ci-ln-zp1bifk-latest True False 10m Cluster version is 4.7.0-0.ci.test-2022-02-01-142111-ci-ln-zp1bifk-latest
[weliang@weliang Test]$
[weliang@weliang Test]$ oc create -f ippool.yml -n openshift-multus
ippool.whereabouts.cni.cncf.io/192.168.2.224-28 created
[weliang@weliang Test]$ oc get ippools 192.168.2.224-28 -o yaml -n openshift-multus
apiVersion: whereabouts.cni.cncf.io/v1alpha1
kind: IPPool
metadata:
creationTimestamp: "2022-02-01T15:00:02Z"
generation: 2
name: 192.168.2.224-28
namespace: openshift-multus
resourceVersion: "29743"
selfLink: /apis/whereabouts.cni.cncf.io/v1alpha1/namespaces/openshift-multus/ippools/192.168.2.224-28
uid: d1e1ff0d-dd7e-4872-b59f-b02da12af3fc
spec:
allocations: {}
range: 192.168.2.224/28
[weliang@weliang Test]$ oc create job --from=cronjob/ip-reconciler -n openshift-multus testrun-ip-reconciler
job.batch/testrun-ip-reconciler created
[weliang@weliang Test]$ oc get ippools 192.168.2.224-28 -o yaml -n openshift-multus
apiVersion: whereabouts.cni.cncf.io/v1alpha1
kind: IPPool
metadata:
creationTimestamp: "2022-02-01T15:00:02Z"
generation: 2
name: 192.168.2.224-28
namespace: openshift-multus
resourceVersion: "29743"
selfLink: /apis/whereabouts.cni.cncf.io/v1alpha1/namespaces/openshift-multus/ippools/192.168.2.224-28
uid: d1e1ff0d-dd7e-4872-b59f-b02da12af3fc
spec:
allocations: {}
range: 192.168.2.224/28
[weliang@weliang Test]$
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 (Moderate: OpenShift Container Platform 4.7.43 security 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/RHSA-2022:0492 |