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Reuse the shared RoutingClient instead of building a second one, drop the Mono bean with initMethod = "block", and stop making the cleaner depend on it. Fail with a clear message if there is no default-tcp router group.
ZPascal
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Resolve the default-tcp group with flatMapIterable and blockFirst instead of blocking on the whole response, which also avoids an NPE when the response is empty.
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Follow-up to #1383, picking up Daniel's review comment: #1383 (comment)
The bean that sets the reservable port range on the
default-tcprouter group was a bit convoluted. This cleans it up:RoutingClientbean now instead of building a second client with its own token provider.MonowithinitMethod = "block". It's aSmartInitializingSingletonthat runs once the context is up.cloudFoundryCleanerdoesn't depend on it anymore. The initial cleanup now always runs, even when TCP routing isn't available.default-tcpgroup, it fails with a message that points toSKIP_TCP_ROUTING_TESTS=true. It is used only to log a warning.@ConditionalOnExpressiononSKIP_TCP_ROUTING_TESTS.Why is it implemented as a bean?
I didn't use an
ApplicationRunnerlike in the suggestion because the integration tests use@SpringJUnitConfig, not Spring Boot's application startup, so runners never get called.SmartInitializingSingletongives the same timing.Connected issue: #1394