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@ikaadil ikaadil commented Aug 21, 2025

FILL IN THE PR DESCRIPTION HERE

FIX #xxxx (link existing issues this PR will resolve)

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Signed-off-by: Ifta Khairul Alam Adil <ikaadil007@gmail.com>
…or watcher streams

- Introduced  parameter in  and  classes to allow dynamic timeout settings.
- Updated relevant methods to utilize the new timeout configuration instead of hard-coded values.

Signed-off-by: Ifta Khairul Alam Adil <ikaadil007@gmail.com>
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Summary of Changes

Hello @ikaadil, 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 introduces a new configuration option to control the timeout for Kubernetes watchers within the vllm_router. Previously, the timeout for discovering vLLM pods and services was hardcoded, but now it can be specified via a command-line argument, providing greater flexibility for deployment environments.

Highlights

  • Configurable Kubernetes Watcher Timeout: Introduced --k8s-timeout-seconds command-line argument to allow users to specify the timeout for Kubernetes API watcher streams.
  • Dynamic Timeout Application: The hardcoded 30-second timeout for Kubernetes pod and service watchers has been replaced with the newly configurable value, improving adaptability.
  • Argument Propagation: The new timeout argument is correctly propagated from the application's argument parser to the Kubernetes service discovery initialization.
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Code Review

This pull request introduces a configurable timeout for Kubernetes watchers via the --k8s-timeout-seconds command-line argument. The changes are well-implemented, plumbing the new argument from the parser down to the Kubernetes service discovery classes where it replaces a hardcoded value. This improves configurability and resolves a TODO item.

My main feedback is to add validation for the new k8s-timeout-seconds argument to ensure it's a positive integer, as a non-positive value could lead to a runtime error. I've left a specific comment on this.

Overall, this is a good and useful feature addition.

…in the parser. This change enhances error handling for Kubernetes service discovery configurations.

Signed-off-by: Ifta Khairul Alam Adil <ikaadil007@gmail.com>
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ikaadil commented Aug 21, 2025

@YuhanLiu11 could you please review this PR?

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Hi, is this timeout only for watcher stream? The name for it is a little confusing. how about the other k8s API calls, do they also need timeout?

ikaadil and others added 2 commits August 22, 2025 19:33
…her_timeout_seconds' instead of 'timeout_seconds'. Updated related validation and argument parsing to reflect this change, enhancing clarity and configurability for watcher stream timeouts.

Signed-off-by: Ifta Khairul Alam Adil <ikaadil007@gmail.com>
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ikaadil commented Aug 22, 2025

Hi, is this timeout only for watcher stream?

Yes

The name for it is a little confusing.

I renamed it to k8s_watcher_timeout_seconds

how about the other k8s API calls, do they also need timeout?

Currently k8s has K8sPodIPServiceDiscovery and K8sServiceNameServiceDiscovery service discovery type. Both of them used use watcher timeout.

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LGTM

@YuhanLiu11 YuhanLiu11 merged commit 06b3204 into vllm-project:main Aug 25, 2025
14 checks passed
ikaadil added a commit to ikaadil/production-stack that referenced this pull request Sep 3, 2025
…rs (vllm-project#654)

* Add --k8s-timeout-seconds argument for Kubernetes watcher streams

Signed-off-by: Ifta Khairul Alam Adil <ikaadil007@gmail.com>

* Enhance Kubernetes service discovery by adding configurable timeout for watcher streams

- Introduced  parameter in  and  classes to allow dynamic timeout settings.
- Updated relevant methods to utilize the new timeout configuration instead of hard-coded values.

Signed-off-by: Ifta Khairul Alam Adil <ikaadil007@gmail.com>

* Validate k8s-timeout-seconds argument to ensure it is greater than 0 in the parser. This change enhances error handling for Kubernetes service discovery configurations.

Signed-off-by: Ifta Khairul Alam Adil <ikaadil007@gmail.com>

* Refactor Kubernetes service discovery timeout parameters to use 'watcher_timeout_seconds' instead of 'timeout_seconds'. Updated related validation and argument parsing to reflect this change, enhancing clarity and configurability for watcher stream timeouts.

Signed-off-by: Ifta Khairul Alam Adil <ikaadil007@gmail.com>

---------

Signed-off-by: Ifta Khairul Alam Adil <ikaadil007@gmail.com>
Senne-Mennes pushed a commit to Senne-Mennes/production-stack that referenced this pull request Oct 22, 2025
…rs (vllm-project#654)

* Add --k8s-timeout-seconds argument for Kubernetes watcher streams

Signed-off-by: Ifta Khairul Alam Adil <ikaadil007@gmail.com>

* Enhance Kubernetes service discovery by adding configurable timeout for watcher streams

- Introduced  parameter in  and  classes to allow dynamic timeout settings.
- Updated relevant methods to utilize the new timeout configuration instead of hard-coded values.

Signed-off-by: Ifta Khairul Alam Adil <ikaadil007@gmail.com>

* Validate k8s-timeout-seconds argument to ensure it is greater than 0 in the parser. This change enhances error handling for Kubernetes service discovery configurations.

Signed-off-by: Ifta Khairul Alam Adil <ikaadil007@gmail.com>

* Refactor Kubernetes service discovery timeout parameters to use 'watcher_timeout_seconds' instead of 'timeout_seconds'. Updated related validation and argument parsing to reflect this change, enhancing clarity and configurability for watcher stream timeouts.

Signed-off-by: Ifta Khairul Alam Adil <ikaadil007@gmail.com>

---------

Signed-off-by: Ifta Khairul Alam Adil <ikaadil007@gmail.com>
Signed-off-by: senne.mennes@capgemini.com <senne.mennes@capgemini.com>
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3 participants