[skmo] Add Skupper for cross-region RabbitMQ and Keystone#734
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| * Skupper is installed and Sites are linked between the central and workload | ||
| namespaces. If you are also routing RabbitMQ traffic through Skupper (for | ||
| `barbican-keystone-listener`), the Site link is already in place. See the | ||
| [Skupper installation and site-link guide](../skupper-install.md) if you are |
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Where is this skupper-install.md file? In another PR?
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…uting Add automation variables and kustomize configuration to establish Skupper virtual services for RabbitMQ and Keystone internal endpoints, enabling cross-region connectivity in the multi-namespace SKMO scenario. The RabbitMQ Skupper connector routes barbican-keystone-listener traffic from the leaf (openstack2) namespace to the central (openstack) RabbitMQ over an mTLS tunnel, avoiding exposure on the public network. The Keystone Skupper connector routes internal service-to-service authentication traffic from leaf region services to the central Keystone endpoint, replacing the previous approach of using the public Keystone URL for internal traffic. To make the Skupper Keystone virtual service reachable from EDPM compute nodes (which run outside the OCP cluster and cannot reach ClusterIP services), a MetalLB LoadBalancer Service and a DNSData CR are created alongside the Skupper Listener. This ensures nova-compute can resolve and connect to the Keystone auth_url on startup. Also adds skupper-keystone-internal.md documenting the full procedure, including the EDPM DNS workaround and the rationale for each step. Signed-off-by: Ade Lee <alee@redhat.com> Co-authored-by: Claude <noreply@anthropic.com> Made-with: Cursor
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: danpawlik, evallesp, fultonj, vakwetu The full list of commands accepted by this bot can be found here. The pull request process is described here DetailsNeeds approval from an approver in each of these files:
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[skmo] Add Skupper for cross-region RabbitMQ and Keystone internal routing
Add automation variables and kustomize configuration to establish Skupper
virtual services for RabbitMQ and Keystone internal endpoints, enabling
cross-region connectivity in the multi-namespace SKMO scenario.
The RabbitMQ Skupper connector routes barbican-keystone-listener traffic
from the leaf (openstack2) namespace to the central (openstack) RabbitMQ
over an mTLS tunnel, avoiding exposure on the public network.
The Keystone Skupper connector routes internal service-to-service
authentication traffic from leaf region services to the central Keystone
endpoint, replacing the previous approach of using the public Keystone URL
for internal traffic.
To make the Skupper Keystone virtual service reachable from EDPM compute
nodes (which run outside the OCP cluster and cannot reach ClusterIP
services), a MetalLB LoadBalancer Service and a DNSData CR are created
alongside the Skupper Listener. This ensures nova-compute can resolve
and connect to the Keystone auth_url on startup.
Also adds skupper-keystone-internal.md documenting the full procedure,
including the EDPM DNS workaround and the rationale for each step.
Depends-On: openstack-k8s-operators/ci-framework#3836