Handle providers of optional services in ubermodule classloader #91217
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ubermodule descriptor, we must make sure that any optional dependencies match up to services that are defined in the code. If we naively declare that our module uses any service that is implemented by one of its jars, we might fail to load the plugin because the original implementation is not included in our bundle. Here we add a fairly detailed test scenario for required and optional services defined outside the bundle, as well as for services defined within the bundle, either by module declaration or by META-INF/services entry.
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@elasticmachine test this please |
williamrandolph
added
>non-issue
:Core/Infra/Plugins
declaring that the ubermodule owns packages for missing optional dependencies, just don't add services from missing optional dependencies or their providers to the ubermodule declaration.
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Pinging @elastic/es-core-infra (Team:Core/Infra) |
ubermodule classloader to load the repository-azure Elasticsearch plugin, so the change to the security policy is premature.
weizijun
added a commit
to weizijun/elasticsearch
that referenced
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Nov 15, 2022
* main: (163 commits) [DOCS] Edits frequent items aggregation (elastic#91564) Handle providers of optional services in ubermodule classloader (elastic#91217) Add `exportDockerImages` lifecycle task for exporting docker tarballs (elastic#91571) Fix CSV dependency report output file location in DRA CI job Fix variable placeholder for Strings.format calls (elastic#91531) Fix output dir creation in ConcatFileTask (elastic#91568) Fix declaration of dependencies in DRA snapshots CI job (elastic#91569) Upgrade Gradle Enterprise plugin to 3.11.4 (elastic#91435) Ingest DateProcessor (small) speedup, optimize collections code in DateFormatter.forPattern (elastic#91521) Fix inter project handling of generateDependenciesReport (elastic#91555) [Synthetics] Add synthetics-* read to fleet-server (elastic#91391) [ML] Copy more settings when creating DF analytics destination index (elastic#91546) Reduce CartesianCentroidIT flakiness (elastic#91553) Propagate last node to reinitialized routing tables (elastic#91549) Forecast write load during rollovers (elastic#91425) [DOCS] Warn about potential overhead of named queries (elastic#91512) Datastream unavailable exception metadata (elastic#91461) Generate docker images and dependency report in DRA ci job (elastic#91545) Support cartesian_bounds aggregation on point and shape (elastic#91298) Add support for EQL samples queries (elastic#91312) ... # Conflicts: # x-pack/plugin/rollup/src/main/java/org/elasticsearch/xpack/downsample/RollupShardIndexer.java
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It is possible for a service provider to implement a service defined in optional (compile-time) dependency. When creating an ubermodule, we need to make sure that we do not declare a service if its optional dependency is missing at run-time, because if we try to do this we get a failure at the module graph construction stage. To do this, we make sure that the service class or interface is part of an exported package that the ubermodule can read.