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fix: Improve Kubernetes Example reliability on CI#435

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kabir merged 2 commits intoa2aproject:maina2aproject/a2a-java:mainfrom
kabir:fix-kubernetes-examplekabir/a2a-java:fix-kubernetes-exampleCopy head branch name to clipboard
Nov 18, 2025
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fix: Improve Kubernetes Example reliability on CI#435
kabir merged 2 commits intoa2aproject:maina2aproject/a2a-java:mainfrom
kabir:fix-kubernetes-examplekabir/a2a-java:fix-kubernetes-exampleCopy head branch name to clipboard

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@kabir kabir commented Nov 3, 2025

  • exit early once we have the two required pods
  • increased count until we expect 2 pods

Fixes #396 🦕

@kabir
fix: Improve Kubernetes Example reliability on CI
2d02921 
- exit early once we have the two required pods
- increased count until we expect 2 pods
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gemini-code-assist bot commented Nov 3, 2025

Summary of Changes

Hello @kabir, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request significantly improves the reliability and efficiency of the Kubernetes example test within CI environments. By introducing configurable parameters and a dedicated CI mode, the test can now dynamically adjust its behavior to wait longer for necessary resources (pods) to become available, while also terminating early once conditions are met. This change aims to reduce test flakiness and speed up CI feedback cycles without compromising test coverage.

Highlights

  • Configurable Test Parameters: The Kubernetes example client now allows PROCESS_MESSAGE_COUNT and MESSAGE_INTERVAL_MS to be configured via system properties, enhancing test flexibility.
  • CI Mode Introduction: A new CI_MODE system property has been added, enabling specific behaviors for continuous integration environments.
  • Early Exit for Pod Observation: In CI_MODE, the test will now stop sending messages early once two pods have been successfully observed, optimizing CI run times.
  • Increased Message Count in CI: The maximum number of messages sent in CI_MODE (MAX_MESSAGES_UNTIL_TWO_PODS) has been increased to 20, providing more time for pods to initialize and become observable.
Ignored Files
  • Ignored by pattern: .github/workflows/** (1)
    • .github/workflows/cloud-deployment-example.yml
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Code Review

This pull request improves the reliability of the Kubernetes example test on CI by introducing a configurable CI mode. In this mode, the test sends messages until it observes two distinct pods, with a maximum message limit to prevent indefinite runs. This is a solid approach to handle potential flakiness in a load-balanced environment. The implementation is correct. I've added a couple of suggestions to replace a magic number with a constant for better code maintainability.

examples/cloud-deployment/server/src/test/java/io/a2a/examples/cloud/A2ACloudExampleClient.java Show resolved Hide resolved
examples/cloud-deployment/server/src/test/java/io/a2a/examples/cloud/A2ACloudExampleClient.java Show resolved Hide resolved
@kabir kabir merged commit 937290a into a2aproject:main Nov 18, 2025
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@jmesnil jmesnil added this to the 1.0.0 milestone Dec 11, 2025
kabir added a commit to kabir/a2a-java that referenced this pull request Dec 23, 2025
@kabir
fix: Improve Kubernetes Example reliability on CI (a2aproject#435)
e0a21d6 
- exit early once we have the two required pods
- increased count until we expect 2 pods

Fixes a2aproject#396 🦕
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@fjuma fjuma fjuma approved these changes

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[Bug]: Occasional failures in Kubernetes example

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