fix

.github/workflows/branch-integration.yml

@@ -12,6 +12,10 @@ on:
 
 jobs:
   gardener-integration-test:
+    strategy:
+        max-parallel: 1 # avoid 2 clusters at the same time using same name
+        matrix:
+          k8s_version: [1.27, 1.28]
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repo
@@ -33,6 +37,7 @@ jobs:
         GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
         GITHUB_OWNER: "${{ github.repository_owner }}"
         GITHUB_REPO: "telemetry-manager"
+        GARDENER_K8S_VERSION: ${{ matrix.k8s_version }}
 
     # save gardener kubeconfig to a temp file in order to pass it to the command
     - name: Save serviceaccount to file

Makefile

@@ -1,8 +1,9 @@
 # Image URL to use all building/pushing image targets
 IMG ?= europe-docker.pkg.dev/kyma-project/prod/telemetry-manager:main
 # ENVTEST_K8S_VERSION refers to the version of Kubebuilder assets to be downloaded by envtest binary.
-ENVTEST_K8S_VERSION = 1.28.0
-GARDENER_K8S_VERSION = 1.28.4
+
+ENVTEST_K8S_VERSION = 1.27.1
+GARDENER_K8S_VERSION ?= 1.27
 ISTIO_VERSION ?= 1.3.0
 
 # Operating system architecture
@@ -372,6 +373,10 @@ GIT_COMMIT_SHA=$(shell git rev-parse --short=8 HEAD)
 GIT_COMMIT_DATE=$(shell git show -s --format=%cd --date=format:'v%Y%m%d' ${GIT_COMMIT_SHA})
 HIBERNATION_HOUR=$(shell echo $$(( ( $(shell date +%H | sed s/^0//g) + 5 ) % 24 )))
 
+ifneq (,$(GARDENER_SA_PATH))
+GARDENER_K8S_VERSION_FULL?=$(shell kubectl --kubeconfig=${GARDENER_SA_PATH} get cloudprofiles.core.gardener.cloud gcp -o go-template='{{range .spec.kubernetes.versions}}{{if and (eq .classification "supported") (lt .version "${GARDENER_K8S_VERSION}.a") (gt .version "${GARDENER_K8S_VERSION}")}}{{.version}}{{end}}{{end}}')
+endif
+
 # log tests are excluded for now as they are too flaky
 .PHONY: run-tests-with-git-image
 run-tests-with-git-image: ## Run e2e tests on existing cluster using image related to git commit sha
@@ -388,7 +393,7 @@ gardener-integration-test: ## Provision gardener cluster and run integration tes
 
 .PHONY: provision-gardener
 provision-gardener: kyma ## Provision gardener cluster with latest k8s version
-	${KYMA} provision gardener gcp -c ${GARDENER_SA_PATH} -n test-${GIT_COMMIT_SHA} -p ${GARDENER_PROJECT} -s ${GARDENER_SECRET_NAME} -k ${GARDENER_K8S_VERSION}\
+	${KYMA} provision gardener gcp -c ${GARDENER_SA_PATH} -n test-${GIT_COMMIT_SHA} -p ${GARDENER_PROJECT} -s ${GARDENER_SECRET_NAME} -k ${GARDENER_K8S_VERSION_FULL}\
 		--hibernation-start="00 ${HIBERNATION_HOUR} * * ?"
 
 .PHONY: deprovision-gardener