compress all build artifacts after e2e tests

On-behalf-of: @SAP [email protected]

.prow.yaml

@@ -106,6 +106,7 @@ presubmits:
       containers:
         - image: ghcr.io/kcp-dev/infra/build:1.22.10-1
           command:
+            - ./hack/run-with-artifacts.sh
             - ./hack/run-with-prometheus.sh
             - make
             - test-e2e

hack/run-with-artifacts.sh

@@ -0,0 +1,35 @@
+#!/usr/bin/env bash
+
+# Copyright 2023 The KCP Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -o nounset
+set -o pipefail
+set -o errexit
+
+set -o xtrace
+set +o errexit
+"${@}"
+EXIT_CODE=${?}
+set +o xtrace
+set -o errexit
+echo "Command terminated with ${EXIT_CODE}"
+
+if [ -n "${ARTIFACT_DIR:=}" ]; then
+  echo 'Compressing build artifacts...'
+  cd "$ARTIFACT_DIR"
+  tar cvzf artifacts.tar.gz --remove-files *
+fi
+
+exit "${EXIT_CODE}"