USHIFT-6795: C2CC: Router controller#6599

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pmtk wants to merge 35 commits intoopenshift:mainfrom

pmtk:c2cc/routes

Commits on Apr 29, 2026

Add extra host variables to variables.yaml

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Multi cluster keywords

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c2cc sanity test

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Init C2CC Route Manager

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Vendor libovsdb & knftables

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Routes controller

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Service Routes Controller

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NBDB

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OVN-K controller

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nftables controller

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Node annotation controller

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default NetworkPolicy controller

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Integrate sub-controllers

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Cleanup on reconcile failure

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Subscribe to events to retrigger reconciliation

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Refactor common parts for routes

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routes: remove LinkIndex so kernel can resolve nexthop via main table

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Infra Test Suite

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Connectivity Test Suite

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Inject network config before installation

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Test: wait on greenboot before enabling c2cc

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Don't rollback on failure

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Address local CR review

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Add negative tests for reconciliation

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Debounce 'nftables-change' log

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CR fixes

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Filter annotation subscribe to SNAT annotation changes only

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Add context to nftables subscribe for explicit shutdown

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Drain reconcile channel to coalesce queued events

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