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Clarify migration from old akka management discovery (#26102)

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Christopher Batey 2018-12-13 10:57:59 +00:00 • committed by Arnout Engelen
parent 567f8a15e0
commit 2c145cd3c3
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akka-docs/src/main/paradox/discovery/index.md
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@ -20,9 +20,9 @@ In addition [Akka Management](https://developer.lightbend.com/docs/akka-manageme
* Consul
* Marathon API
Discovery used to be part of Akka Management but has become an Akka module as of `2.5.19` of Akka and version `0.21.0`
Discovery used to be part of Akka Management but has become an Akka module as of `2.5.19` of Akka and version `0.50.0`
of Akka Management. If you're also using Akka Management for other service discovery methods or bootstrap make
sure you are using at least version `0.21.0`.
sure you are using at least version `0.50.0` of Akka Management.
## Dependency
@ -243,3 +243,16 @@ The above configuration will result in `akka-dns` first being checked and if it
targets for the given service name then `config` is queried which i configured with one service called
`service1` which two hosts `host1` and `host2`.
## Migrating from Akka Management Discovery
Akka Discovery is not compatible with older versions of Akka Management Discovery. At least version `0.50.0` of
any Akka Management module should be used if also using Akka Discovery.
Migration steps:
* Any custom discovery method should now implement `akka.discovery.ServiceDiscovery`
* `discovery-method` now has to be a configuration location under `akka.discovery` with at minimum a property `class` specifying the fully qualified name of the implementation of `akka.discovery.ServiceDiscovery`.
Previous versions allowed this to be a class name or a fully qualified config location e.g. `akka.discovery.kubernetes-api` rather than just `kubernetes-api`