From 7252956947b9b30af2d970add0c32f7c824e618c Mon Sep 17 00:00:00 2001
From: Mangirdas Judeikis <mangirdas@judeikis.lt>
Date: Mon, 2 Nov 2026 16:41:26 +0200
Subject: [PATCH] Rework prow config

---
 .prow.yaml               | 66 +++++++++++++++++++++++++++++++++++++---
 hack/ci/run-e2e-tests.sh |  2 +-
 2 files changed, 62 insertions(+), 6 deletions(-)

diff --git a/.prow.yaml b/.prow.yaml
index bf981d64..efbbee64 100644
--- a/.prow.yaml
+++ b/.prow.yaml
@@ -102,10 +102,24 @@ presubmits:
           env:
             - name: KCP_VERSION
               value: "0.29.3"
+            # kcp state (etcd included) lives on the RAM-backed kcp-data volume
+            # so etcd is not stalled by node disk contention. Use a subdirectory:
+            # the script rm -rf's it, which fails on the mount point itself.
+            - name: KCP_ROOT_DIRECTORY
+              value: /kcp-data/kcp
           resources:
             requests:
-              memory: 4Gi
+              # includes the kcp-data tmpfs, which is charged to the pod
+              memory: 6Gi
               cpu: 2
+          volumeMounts:
+            - name: kcp-data
+              mountPath: /kcp-data
+      volumes:
+        - name: kcp-data
+          emptyDir:
+            medium: Memory
+            sizeLimit: 2Gi
 
   - name: pull-api-syncagent-test-e2e-kcp-0.30
     always_run: true
@@ -121,10 +135,24 @@ presubmits:
           env:
             - name: KCP_VERSION
               value: "0.30.3"
+            # kcp state (etcd included) lives on the RAM-backed kcp-data volume
+            # so etcd is not stalled by node disk contention. Use a subdirectory:
+            # the script rm -rf's it, which fails on the mount point itself.
+            - name: KCP_ROOT_DIRECTORY
+              value: /kcp-data/kcp
           resources:
             requests:
-              memory: 4Gi
+              # includes the kcp-data tmpfs, which is charged to the pod
+              memory: 6Gi
               cpu: 2
+          volumeMounts:
+            - name: kcp-data
+              mountPath: /kcp-data
+      volumes:
+        - name: kcp-data
+          emptyDir:
+            medium: Memory
+            sizeLimit: 2Gi
 
   - name: pull-api-syncagent-test-e2e-kcp-0.31
     always_run: true
@@ -140,10 +168,24 @@ presubmits:
           env:
             - name: KCP_VERSION
               value: "0.31.0"
+            # kcp state (etcd included) lives on the RAM-backed kcp-data volume
+            # so etcd is not stalled by node disk contention. Use a subdirectory:
+            # the script rm -rf's it, which fails on the mount point itself.
+            - name: KCP_ROOT_DIRECTORY
+              value: /kcp-data/kcp
           resources:
             requests:
-              memory: 4Gi
+              # includes the kcp-data tmpfs, which is charged to the pod
+              memory: 6Gi
               cpu: 2
+          volumeMounts:
+            - name: kcp-data
+              mountPath: /kcp-data
+      volumes:
+        - name: kcp-data
+          emptyDir:
+            medium: Memory
+            sizeLimit: 2Gi
 
   - name: pull-api-syncagent-test-e2e-kcp-0.32
     always_run: true
@@ -159,7 +201,21 @@ presubmits:
           env:
             - name: KCP_VERSION
               value: "0.32.0"
+            # kcp state (etcd included) lives on the RAM-backed kcp-data volume
+            # so etcd is not stalled by node disk contention. Use a subdirectory:
+            # the script rm -rf's it, which fails on the mount point itself.
+            - name: KCP_ROOT_DIRECTORY
+              value: /kcp-data/kcp
           resources:
             requests:
-              memory: 4Gi
-              cpu: 2
\ No newline at end of file
+              # includes the kcp-data tmpfs, which is charged to the pod
+              memory: 6Gi
+              cpu: 2
+          volumeMounts:
+            - name: kcp-data
+              mountPath: /kcp-data
+      volumes:
+        - name: kcp-data
+          emptyDir:
+            medium: Memory
+            sizeLimit: 2Gi
\ No newline at end of file
diff --git a/hack/ci/run-e2e-tests.sh b/hack/ci/run-e2e-tests.sh
index 55c8e743..aa075f69 100755
--- a/hack/ci/run-e2e-tests.sh
+++ b/hack/ci/run-e2e-tests.sh
@@ -37,7 +37,7 @@ source <(make --no-print-directory envtest-env)
 # start a shared kcp process
 KCP="$(UGET_PRINT_PATH=relative make --no-print-directory install-kcp)"
 
-KCP_ROOT_DIRECTORY=.kcp.e2e
+KCP_ROOT_DIRECTORY="${KCP_ROOT_DIRECTORY:-.kcp.e2e}"
 KCP_LOGFILE="$ARTIFACTS/kcp.log"
 KCP_TOKENFILE=hack/ci/testdata/e2e-kcp.tokens