Cory Snider 9ec65542a0 libnetwork: fix graceful service endpoint removal ...

When a container is stopped, new connections to a published port will
not be routed to that container but any existing connections are
permitted to continue uninterrupted for the duration of the container's
grace period. Unfortunately recent fixes to overlay networks introduced
a regression: existing connections routed over the service mesh to
containers on remote nodes are dropped immediately when the container is
stopped, irrespective of the grace period.

Fix the handling of NetworkDB endpoint table events so that the endpoint
is disabled in the load balancer when a service endpoint transitions to
ServiceDisabled instead of deleting the endpoint and re-adding it. And
fix the other bugged state transitions with the help of a unit test
which exhaustively covers all permutations of endpoint event.

Signed-off-by: Cory Snider <csnider@mirantis.com>

2026-01-13 18:37:32 -05:00

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