Bug 1898950
| Summary: | When scaling replicas to zero, Octavia loadbalancer pool members are not updated accordingly | |||
|---|---|---|---|---|
| Product: | OpenShift Container Platform | Reporter: | OpenShift BugZilla Robot <openshift-bugzilla-robot> | |
| Component: | Networking | Assignee: | Luis Tomas Bolivar <ltomasbo> | |
| Networking sub component: | kuryr | QA Contact: | GenadiC <gcheresh> | |
| Status: | CLOSED ERRATA | Docs Contact: | ||
| Severity: | high | |||
| Priority: | high | CC: | bbennett, bshephar, ltomasbo, mdulko, rlobillo | |
| Version: | 3.11.0 | |||
| Target Milestone: | --- | |||
| Target Release: | 4.6.z | |||
| Hardware: | x86_64 | |||
| OS: | Linux | |||
| Whiteboard: | ||||
| Fixed In Version: | Doc Type: | If docs needed, set a value | ||
| Doc Text: | Story Points: | --- | ||
| Clone Of: | ||||
| : | 1900491 (view as bug list) | Environment: | ||
| Last Closed: | 2020-11-30 16:46:09 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: | 1897142 | |||
| Bug Blocks: | 1900491 | |||
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 4.6.6 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-2020:5115 |
Verified on 4.6.0-0.nightly-2020-11-22-160856 over OSP 13 with amphoras (puddle: 2020-11-13.1). creating a deployment with 3 replicas and service with below files: $ cat demo_deployment.yaml apiVersion: apps/v1 kind: Deployment metadata: name: demo labels: app: demo spec: replicas: 3 selector: matchLabels: app: demo template: metadata: labels: app: demo spec: containers: - name: demo image: kuryr/demo ports: - containerPort: 8080 $ cat demo_svc.yaml apiVersion: v1 kind: Service metadata: name: demo labels: app: demo spec: selector: app: demo ports: - port: 80 protocol: TCP targetPort: 8080 The result: $ oc get all NAME READY STATUS RESTARTS AGE pod/demo-66cdc7b66-mm4dj 1/1 Running 0 69s pod/demo-66cdc7b66-pzptv 1/1 Running 0 69s pod/demo-66cdc7b66-t5lnk 1/1 Running 0 69s NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE service/demo ClusterIP 172.30.247.29 <none> 80/TCP 46m NAME READY UP-TO-DATE AVAILABLE AGE deployment.apps/demo 3/3 3 3 47m NAME DESIRED CURRENT READY AGE replicaset.apps/demo-66cdc7b66 3 3 3 47m and $ openstack loadbalancer show test/demo +---------------------+--------------------------------------+ | Field | Value | +---------------------+--------------------------------------+ | admin_state_up | True | | created_at | 2020-11-23T14:03:10 | | description | | | flavor_id | None | | id | eb93ed99-6f83-415e-9053-043966ab3bd8 | | listeners | c2a86359-3bb9-42d5-bea6-d74dac9423fb | | name | test/demo | | operating_status | ONLINE | | pools | 73a84f77-baa3-4260-8196-143955dc0cf7 | | project_id | b71e29afb4bc49adb192c68d438c78b3 | | provider | amphora | | provisioning_status | ACTIVE | | updated_at | 2020-11-23T14:48:36 | | vip_address | 172.30.247.29 | | vip_network_id | d4be0a43-24a6-414b-b79d-24732745c5cc | | vip_port_id | b60a7d60-735f-4612-b38d-5b2e3b3259ef | | vip_qos_policy_id | None | | vip_subnet_id | 09c9f8bb-4487-42e2-80af-ec491998ff7d | +---------------------+--------------------------------------+ $ openstack loadbalancer member list 73a84f77-baa3-4260-8196-143955dc0cf7 +--------------------------------------+--------------------------------+----------------------------------+---------------------+----------------+---------------+------------------+-------- + | id | name | project_id | provisioning_status | address | protocol_port | operating_status | weight | +--------------------------------------+--------------------------------+----------------------------------+---------------------+----------------+---------------+------------------+-------- + | 79996957-d9ec-471c-8f3b-0a9d7f710ac3 | test/demo-66cdc7b66-t5lnk:8080 | b71e29afb4bc49adb192c68d438c78b3 | ACTIVE | 10.128.116.9 | 8080 | NO_MONITOR | 1 | | 12276dc9-f2de-4554-b5b2-86ed23bf30e1 | test/demo-66cdc7b66-mm4dj:8080 | b71e29afb4bc49adb192c68d438c78b3 | ACTIVE | 10.128.116.159 | 8080 | NO_MONITOR | 1 | | 49808f54-85a7-431f-be3e-04affc9c7da4 | test/demo-66cdc7b66-pzptv:8080 | b71e29afb4bc49adb192c68d438c78b3 | ACTIVE | 10.128.117.110 | 8080 | NO_MONITOR | 1 | +--------------------------------------+--------------------------------+----------------------------------+---------------------+----------------+---------------+------------------+-------- + now, scaling to 0 with below command: $ oc scale --replicas=0 deployment.apps/demo deployment.apps/demo scaled After a while, all the members are removed from the pool: $ openstack loadbalancer member list 73a84f77-baa3-4260-8196-143955dc0cf7 (shiftstack) [stack@undercloud-0 ~]$