Flaky Test: post-kueue-push-images

[mbobrovskyi]

Which test is flaking?:
post-kueue-push-images

Link to failed CI job or steps to reproduce locally:
https://prow.k8s.io/view/gs/kubernetes-ci-logs/logs/post-kueue-push-images/2088972106690727936

Failure message or logs:

2026/08/16 12:52:34 No variants.yaml, starting single build job...
Created [https://cloudbuild.googleapis.com/v1/projects/k8s-staging-images/locations/global/builds/e6602f41-db05-4fa7-9c3e-1a872ddb4c0a].
Logs are available at [ https://console.cloud.google.com/cloud-build/builds/e6602f41-db05-4fa7-9c3e-1a872ddb4c0a?project=787629567722 ].
Waiting for build to complete. Polling interval: 10 second(s).
BUILD FAILURE: Build step failure: build step 0 "gcr.io/k8s-staging-test-infra/gcb-docker-gcloud:v20260127-c1affcc8de" failed: step exited with non-zero status: 2
ERROR: (gcloud.builds.submit) build e6602f41-db05-4fa7-9c3e-1a872ddb4c0a completed with status "FAILURE"
----------------------------- REMOTE BUILD OUTPUT ------------------------------
starting build "e6602f41-db05-4fa7-9c3e-1a872ddb4c0a"
FETCHSOURCE
Fetching storage object: gs://k8s-staging-images-gcb/source/1786884755.33765-1bdd4a1d8b14407dacbb028f9c7b125f.tgz#1786884755490641
Copying gs://k8s-staging-images-gcb/source/1786884755.33765-1bdd4a1d8b14407dacbb028f9c7b125f.tgz#1786884755490641...
/ [0 files][    0.0 B/ 63.0 MiB]    

#4 [linux/amd64 internal] load metadata for public.ecr.aws/docker/library/golang:1.26@sha256:3aff6657219a4d9c14e27fb1d8976c49c29fddb70ba835014f477e1c70636647
#4 ERROR: failed to copy: httpReadSeeker: failed open: unexpected status from GET request to https://public.ecr.aws/v2/docker/library/golang/manifests/sha256:dbb10bd1b3400ba0858e2f7c354fd4556b782c187feeff52789d4ee156a84db8: 429 Too Many Requests
toomanyrequests: Rate exceeded
#3 [linux/ppc64le internal] load metadata for gcr.io/distroless/static:nonroot@sha256:f7f8f729987ad0fdf6b05eeeae94b26e6a0f613bdf46feea7fc40f7bd72953e6
#3 [linux/arm64 internal] load metadata for gcr.io/distroless/static:nonroot@sha256:f7f8f729987ad0fdf6b05eeeae94b26e6a0f613bdf46feea7fc40f7bd72953e6
#3 ERROR: ref buildkit/1/index-sha256:f7f8f729987ad0fdf6b05eeeae94b26e6a0f613bdf46feea7fc40f7bd72953e6 locked for 119.894969ms (since 2026-08-16 12:54:13.133333862 +0000 UTC m=+0.394444819): unavailable
#5 [linux/ppc64le internal] load metadata for gcr.io/distroless/static:nonroot@sha256:f7f8f729987ad0fdf6b05eeeae94b26e6a0f613bdf46feea7fc40f7bd72953e6
#5 ERROR: ref buildkit/1/index-sha256:f7f8f729987ad0fdf6b05eeeae94b26e6a0f613bdf46feea7fc40f7bd72953e6 locked for 91.599803ms (since 2026-08-16 12:54:13.133333862 +0000 UTC m=+0.394444819): unavailable
#6 [linux/s390x internal] load metadata for gcr.io/distroless/static:nonroot@sha256:f7f8f729987ad0fdf6b05eeeae94b26e6a0f613bdf46feea7fc40f7bd72953e6
#6 CANCELED

Dockerfile:4
--------------------
   2 |     ARG BASE_IMAGE=gcr.io/distroless/static:nonroot
   3 |     
   4 | >>> FROM --platform=${BUILDPLATFORM} ${BUILDER_IMAGE} AS builder
   5 |     
   6 |     ARG CGO_ENABLED
--------------------
ERROR: failed to build: failed to solve: public.ecr.aws/docker/library/golang:1.26@sha256:3aff6657219a4d9c14e27fb1d8976c49c29fddb70ba835014f477e1c70636647: failed to resolve source metadata for public.ecr.aws/docker/library/golang:1.26@sha256:3aff6657219a4d9c14e27fb1d8976c49c29fddb70ba835014f477e1c70636647: failed to copy: httpReadSeeker: failed open: unexpected status from GET request to https://public.ecr.aws/v2/docker/library/golang/manifests/sha256:dbb10bd1b3400ba0858e2f7c354fd4556b782c187feeff52789d4ee156a84db8: 429 Too Many Requests
toomanyrequests: Rate exceeded
retry [1/7] failed

 1 warning found (use docker --debug to expand):
              
 - RedundantTargetPlatform: Setting platform to predefined ${TARGETPLATFORM} in FROM is redundant as this is the default behavior (line 28)
make[1]: Leaving directory '/workspace'
make: *** [Makefile:270: image-pushing-postsubmit] Error 2
ERROR
ERROR: build step 0 "gcr.io/k8s-staging-test-infra/gcb-docker-gcloud:v20260127-c1affcc8de" failed: step exited with non-zero status: 2
--------------------------------------------------------------------------------
2026/08/16 12:59:12 Failed to run some build jobs: [error running [gcloud builds submit --verbosity info --config /home/prow/go/src/github.com/kubernetes-sigs/kueue/cloudbuild.yaml --substitutions _PULL_BASE_REF=main,_GIT_TAG=v20260816-v0.20.0-devel-328-gebd1c38eb --project k8s-staging-images --region global --gcs-log-dir gs://k8s-staging-images-gcb/logs --gcs-source-staging-dir gs://k8s-staging-images-gcb/source gs://k8s-staging-images-gcb/source/c4d1e5e8-997c-49c5-bf33-c9ebc8d03e71.tgz --polling-interval 10]: exit status 1]

Anything else we need to know?:

[mbobrovskyi]

cc: @ivnovakov @reruno

[ivnovakov]

/assign