fix: reconnect after all idle connections close #290
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When all connnections attached to the connector closed then the spanner client and admin client was closed. This is a problem, because the database may still hold on to the connector and may want to make new connections. This changes the logic such that the connector can reconnect the client when necessary. Fixes googleapis#288
Implement the Closer interface for connector and use that to remove it from the list of active connectors. Closing all idle connections of a connector will close the underlying clients, but allow these to be re-initialized if the connector is used again. Re-using a connector that has been closed is not possible.
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@egonelbre I made a small change to this PR, as removing/adding the connector from the map of driver connectors when all connections were closed caused some flaky test failures, probably due to underlying connections being closed right at the same time as that a new connection was being requested for the same connector. |
olavloite
approved these changes
Aug 29, 2024
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When all connnections attached to the connector closed then the spanner
client and admin client was closed. This is a problem, because the
database may still hold on to the connector and may want to make new
connections.
This changes the logic such that the connector can reconnect the client
when necessary.