chore: add cross namespace e2e test (#1437)

Signed-off-by: Charles-Edouard Brétéché <charles.edouard@nirmata.com>

tests/e2e/examples/crossnamespace/assertions.yaml

@@ -0,0 +1,45 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: grafana-deployment
+  ownerReferences:
+  - apiVersion: grafana.integreatly.org/v1beta1
+    kind: Grafana
+    name: grafana
+spec: {}
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: grafana-service
+  ownerReferences:
+  - apiVersion: grafana.integreatly.org/v1beta1
+    kind: Grafana
+    name: grafana
+spec: {}
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: grafana-ini
+  ownerReferences:
+  - apiVersion: grafana.integreatly.org/v1beta1
+    kind: Grafana
+    name: grafana
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: grafana-plugins
+  ownerReferences:
+  - apiVersion: grafana.integreatly.org/v1beta1
+    kind: Grafana
+    name: grafana
+---
+apiVersion: grafana.integreatly.org/v1beta1
+kind: GrafanaDatasource
+metadata:
+  name: example-grafanadatasource
+  namespace: (join('-', ['cross', $namespace]))
+status:
+  (lastMessage != null): true

tests/e2e/examples/crossnamespace/chainsaw-test.yaml

@@ -0,0 +1,16 @@
+# yaml-language-server: $schema=https://raw.githubusercontent.com/kyverno/chainsaw/main/.schemas/json/test-chainsaw-v1alpha1.json
+apiVersion: chainsaw.kyverno.io/v1alpha1
+kind: Test
+metadata:
+  name: crossnamespace
+spec:
+  concurrent: false
+  steps:
+  - name: step-00
+    try:
+    - apply:
+        template: true
+        file: resources.yaml
+    - assert:
+        template: true
+        file: assertions.yaml

tests/e2e/examples/crossnamespace/resources.yaml

@@ -0,0 +1,50 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: (join('-', ['cross', $namespace]))
+---
+apiVersion: grafana.integreatly.org/v1beta1
+kind: Grafana
+metadata:
+  name: grafana
+  labels:
+    dashboards: "grafana"
+spec:
+  config:
+    log:
+      mode: "console"
+    auth:
+      disable_login_form: "false"
+    security:
+      admin_user: root
+      admin_password: secret
+  deployment:
+    spec:
+      template:
+        spec:
+          containers:
+            - name: grafana
+              securityContext:
+                allowPrivilegeEscalation: true
+                readOnlyRootFilesystem: false
+              readinessProbe:
+                failureThreshold: 3
+---
+apiVersion: grafana.integreatly.org/v1beta1
+kind: GrafanaDatasource
+metadata:
+  name: example-grafanadatasource
+  namespace: (join('-', ['cross', $namespace]))
+spec:
+  allowCrossNamespaceImport: true
+  datasource:
+    access: proxy
+    database: prometheus
+    jsonData:
+      timeInterval: 5s
+      tlsSkipVerify: true
+    name: Prometheus
+    url: http://prometheus-service:9090
+  instanceSelector:
+    matchLabels:
+      dashboards: grafana