Add GraalVM native image support for Fabric8 autoconfig module#2247
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kamalcis wants to merge 1 commit into
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Add GraalVM native image support for Fabric8 autoconfig module#2247kamalcis wants to merge 1 commit into
kamalcis wants to merge 1 commit into
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Signed-off-by: Abu Hena Mostafa Kamal <kamalcis@gmail.com>
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Problem
Spring Cloud Kubernetes Fabric8 autoconfig module does not support
GraalVM native image compilation. The README explicitly states native
images are unsupported. Native builds fail at runtime with:
java.lang.ClassNotFoundException:
io.fabric8.kubernetes.client.impl.KubernetesClientImpl
Closes #1350
Solution
Add
Fabric8RuntimeHintsimplementingRuntimeHintsRegistrarto register:KubernetesClientImpl,KubernetesClientBuilder,and
ConfigFabric8ProfileEnvironmentPostProcessorTesting
Tested on:
Note
User applications must set
spring.main.cloud-platform=kubernetesin their configuration to enable SCK auto-configuration in
native image environments. Auto-detection of the Kubernetes
platform is not yet supported in native images and is a
separate concern from this PR.
Results on Merge:
Deployed the user application image ( containing the SCK library ) into Kubeadm cluster. Pods started successfully, logs were clean, and SCK auto-configuration loaded correctly at runtime. Pods start instantly, logs are clean, and SCK auto-configuration loads correctly at runtime.