mbp-1126: Network segmentation using UDN#147
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Signed-off-by: Manuel Lorenzo <mlorenzofr@redhat.com>
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There seems to be a conflict role of the UDN. In
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minmzzhang
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Jun 23, 2026
| oc exec -n qtodo deploy/qtodo -c qtodo -- getent hosts qtodo-db | ||
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| # PostgreSQL connectivity (should work via net1) | ||
| oc exec -n qtodo deploy/qtodo -c qtodo -- timeout 5 bash -c '</dev/tcp/qtodo-db/5433 &>/dev/null' && echo "OK" |
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should this port be 5432?
minmzzhang
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Jun 23, 2026
| {{- end }} | ||
| {{- if .Values.app.udn.networkPolicy.egress.postgresql.enabled }} | ||
| # Allow ingress to PostgreSQL from qtodo pods within same namespace on UDN | ||
| - name: allow-postgresql-ingress |
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The flag used here is for egress
minmzzhang
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Jun 23, 2026
| mtu: 1400 | ||
| # IPAM configuration | ||
| ipam: | ||
| type: static |
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ipam is defined but not referenced by templates
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Description
Implements network segmentation using User Defined Networks (UDNs) for the qtodo application
Summary
NetworkAttachmentDefinitionandUserDefinedNetworkresources for isolated network segmentsAdminNetworkPolicywith ingress/egress rules to control traffic between network segmentsTest plan
AdminNetworkPolicyrules allow expected traffic and block unauthorized access