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Type: Bug
Resolution: Unresolved
Priority: Normal
Fix Version/s: rhos-18.0.4
Affects Version/s: rhos-18.0.0
Component/s: octavia-operator
Labels:
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Blocked:
False
Blocked Reason:

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Ready:
False
Dev Approval:
?
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?
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QE Approval:
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Regression:
None
Release Note Text:

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Octavia does not currently configure anti-affinity settings in Nova to prevent amphora VMs from being scheduled to the same compute node.

To workaround add the relevant setting to octavia through customConfig, for example:

# names will be dependent on the deployment
oc patch -n openstack openstackcontrolplane openstack-galera-network-isolation --type=merge --patch '
spec:
  octavia:
    template:
       octaviaHousekeeping:
         customServiceConfig: |
           [nova]
           enable_anti_affinity = true
       octaviaWorker:
         customServiceConfig: |
           [nova]
           enable_anti_affinity = true
       octaviaHealthManager:
         customServiceConfig: |
           [nova]
           enable_anti_affinity = true
'

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Octavia does not currently configure anti-affinity settings in Nova to prevent amphora VMs from being scheduled to the same compute node. To workaround add the relevant setting to octavia through customConfig, for example: # names will be dependent on the deployment oc patch -n openstack openstackcontrolplane openstack-galera-network-isolation --type=merge --patch ' spec:   octavia:     template:        octaviaHousekeeping:          customServiceConfig: |            [nova]            enable_anti_affinity = true        octaviaWorker:          customServiceConfig: |            [nova]            enable_anti_affinity = true        octaviaHealthManager:          customServiceConfig: |            [nova]            enable_anti_affinity = true '
Release Note Type:
Known Issue
Intelligence Requested:
Market:

Severity:
Moderate

SFDC Cases Counter:
SFDC Cases Open:
SFDC Cases Links:

Octavia doesn't configure the anti affinity settings for Nova in 18:

https://github.com/openstack-k8s-operators/octavia-operator/blob/main/templates/octaviaamphoracontroller/config/octavia.conf

it was enabled by default in tripleo

https://opendev.org/openstack/tripleo-heat-templates/src/branch/stable/wallaby/deployment/octavia/octavia-base.yaml#L195-L198

Assignee:: Gregory Thiemonge

Reporter:: Gregory Thiemonge

Team:: rhos-dfg-networking-squad-vans

Votes:: 0 Vote for this issue

Watchers:: 2 Start watching this issue

Created:: 2024/10/15 9:35 AM

Updated:: 2024/10/23 1:50 PM

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