Repository: kubernetes/kubernetes (language: go)

Issue:
[Flaking Test] post-kubernetes-push-image-etcd  failed 
### Which jobs are failing?

[post-kubernetes-push-image-etcd](https://prow.k8s.io/?type=postsubmit&job=post-kubernetes-push-image-etcd) 

### Which tests are failing?

build

### Since when has it been failing?

only 2 runs are available.

### Testgrid link

https://testgrid.k8s.io/sig-k8s-infra-gcb#post-kubernetes-push-image-etcd

### Reason for failure (if possible)

https://prow.k8s.io/view/gs/kubernetes-jenkins/logs/post-kubernetes-push-image-etcd/1816299609958387712
```
ERROR: (gcloud.builds.submit) build a6dedce2-dd5a-468e-9a7a-0e50e159bd6f completed with status "FAILURE"


 [33m1 warning found (use --debug to expand):
[0m - InvalidDefaultArgInFrom: Default value for ARG ${RUNNERIMAGE} results in empty or invalid base image name (line 16)
Dockerfile.windows:22
--------------------
  20 |     COPY etcd* etcdctl* /usr/local/bin/
  21 |     COPY migrate-if-needed.bat /usr/local/bin/
  22 | >>> COPY migrate /usr/local/bin/migrate.exe
  23 |     
  24 |     # NOTE(claudiub): docker buildx sets the PATH env variable to a Linux-like PATH,
--------------------
ERROR: failed to solve: mkdir /var/lib/buildkit/runc-overlayfs/cachemounts/buildkit3627953617/usr/local/bin: not a directory
make[1]: Leaving directory '/workspace/cluster/images/etcd'
make[1]: *** [Makefile:132: build] Error 1
make: *** [Makefile:217: sub-push-image-windows-amd64-1809] Error 2
ERROR
ERROR: build step 0 "gcr.io/k8s-staging-test-infra/gcb-docker-gcloud:v20240523-a15ad90fc9@sha256:bb04162508c2c61637eae700a0d8e8c8be8f2d4c831d2b75e59db2d4dd6cf75d" failed: step exited with non-zero status: 2
--------------------------------------------------------------------------------
2024/07/25 02:39:53 Failed to run some build jobs: [error running [gcloud builds submit --verbosity info --config 
```

### Anything else we need to know?

The etcd 3.5.15 post CI failed to build the image.
https://github.com/kubernetes/kubernetes/pull/126240 needs to promote the image: [gcr.io/k8s-staging-etcd/etcd:3.5.15-0](http://gcr.io/k8s-staging-etcd/etcd:3.5.15-0)
This is post submit CI for https://github.com/kubernetes/kubernetes/pull/126242.

### Relevant SIG(s)

/sig release etcd


Discussion / hints:
/cc @BenTheElder 
@bzsuni can you please try this?

```
WORKDIR C:/usr/local/bin
COPY etcd* etcdctl* /usr/local/bin/
COPY migrate-if-needed.bat /usr/local/bin/
COPY migrate /usr/local/bin/migrate.exe
```
cc @claudiubelu @marosset @jsturtevant 

Folks, We could use your help fixing the etcd image for windows!

Fix patch:
diff --git a/cluster/images/etcd/Dockerfile.windows b/cluster/images/etcd/Dockerfile.windows
index a9c5b0ae23f07..c88131f81303c 100644
--- a/cluster/images/etcd/Dockerfile.windows
+++ b/cluster/images/etcd/Dockerfile.windows
@@ -17,6 +17,7 @@ FROM ${RUNNERIMAGE}
 
 EXPOSE 2379 2380 4001 7001
 
+WORKDIR C:/usr/local/bin
 COPY etcd* etcdctl* /usr/local/bin/
 COPY migrate-if-needed.bat /usr/local/bin/
 COPY migrate /usr/local/bin/migrate.exe


Test patch: