Add test cluster setup

charts/memgraph-high-availability/templates/tests/test-cluster-setup.yaml

@@ -0,0 +1,40 @@
+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: "{{ .Release.Name }}-memgraph-test-cluster-setup"
+  labels:
+    {{- include "memgraph.labels" . | nindent 4 }}
+  annotations:
+    "helm.sh/hook": test
+spec:
+  template:
+    metadata:
+      labels:
+        app: memgraph
+    spec:
+      containers:
+      - name: memgraph-test-cluster-setup
+        image: memgraph/memgraph:2.16.0
+        command: ["/bin/sh", "-c"]
+        args:
+        - |
+          check_mgconsole() {
+            local host=$1
+            local command=$2
+            local expected=$3
+
+            result=$(echo $command | mgconsole --host $host --port 7687)
+            if [[ $result != *$expected* ]]; then
+              echo "Unexpected mgconsole result for host $host:"
+              echo $result
+              exit 1
+            fi
+          }
+
+          check_mgconsole "memgraph-coordinator-1.default.svc.cluster.local" "SHOW INSTANCES;" "coordinator_1"
+          check_mgconsole "memgraph-coordinator-2.default.svc.cluster.local" "SHOW INSTANCES;" "coordinator_2"
+          check_mgconsole "memgraph-coordinator-3.default.svc.cluster.local" "SHOW INSTANCES;" "coordinator_3"
+          check_mgconsole "memgraph-data-0.default.svc.cluster.local" "RETURN 0;" "0"
+          check_mgconsole "memgraph-data-1.default.svc.cluster.local" "RETURN 0;" "0"
+      restartPolicy: Never
+  backoffLimit: 4