[Chore] Add e2e test case for multi-cluster by exposing OTEL collector.

tests/e2e-openshift/multi-cluster/00-assert.yaml

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+apiVersion: project.openshift.io/v1
+kind: Project
+metadata:
+  name: kuttl-multi-cluster-send
+status:
+  phase: Active
+
+apiVersion: project.openshift.io/v1
+kind: Project
+metadata:
+  name: kuttl-multi-cluster-receive
+status:
+  phase: Active

tests/e2e-openshift/multi-cluster/00-create-namespaces.yaml

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+apiVersion: v1
+kind: Namespace
+metadata:
+  name: kuttl-multi-cluster-send
+
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: kuttl-multi-cluster-receive

tests/e2e-openshift/multi-cluster/01-assert.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    app: jaeger
+    app.kubernetes.io/component: all-in-one
+    app.kubernetes.io/instance: jaeger-allinone
+    app.kubernetes.io/managed-by: jaeger-operator
+    app.kubernetes.io/name: jaeger-allinone
+    app.kubernetes.io/part-of: jaeger
+  name: jaeger-allinone
+  namespace: kuttl-multi-cluster-receive
+status:
+  availableReplicas: 1
+  readyReplicas: 1
+  replicas: 1
+
+---
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    app: jaeger
+    app.kubernetes.io/component: service-collector
+    app.kubernetes.io/instance: jaeger-allinone
+    app.kubernetes.io/managed-by: jaeger-operator
+    app.kubernetes.io/name: jaeger-allinone-collector
+    app.kubernetes.io/part-of: jaeger
+  name: jaeger-allinone-collector
+  namespace: kuttl-multi-cluster-receive
+spec:
+  ports:
+  - name: http-zipkin
+    port: 9411
+    protocol: TCP
+    targetPort: 9411
+  - name: tls-grpc-jaeger
+    port: 14250
+    protocol: TCP
+    targetPort: 14250
+  - name: http-c-tchan-trft
+    port: 14267
+    protocol: TCP
+    targetPort: 14267
+  - name: http-c-binary-trft
+    port: 14268
+    protocol: TCP
+    targetPort: 14268
+  - name: admin-http
+    port: 14269
+    protocol: TCP
+    targetPort: 14269
+  - name: grpc-otlp
+    port: 4317
+    protocol: TCP
+    targetPort: 4317
+  - name: http-otlp
+    port: 4318
+    protocol: TCP
+    targetPort: 4318
+  selector:
+    app: jaeger
+    app.kubernetes.io/component: all-in-one
+    app.kubernetes.io/instance: jaeger-allinone
+    app.kubernetes.io/managed-by: jaeger-operator
+    app.kubernetes.io/name: jaeger-allinone
+    app.kubernetes.io/part-of: jaeger
+  type: ClusterIP
+
+---
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    app: jaeger
+    app.kubernetes.io/component: service-query
+    app.kubernetes.io/instance: jaeger-allinone
+    app.kubernetes.io/managed-by: jaeger-operator
+    app.kubernetes.io/name: jaeger-allinone-query
+    app.kubernetes.io/part-of: jaeger
+  name: jaeger-allinone-query
+  namespace: kuttl-multi-cluster-receive
+spec:
+  ports:
+  - name: http-query
+    port: 16686
+    protocol: TCP
+    targetPort: 16686
+  - name: grpc-query
+    port: 16685
+    protocol: TCP
+    targetPort: 16685
+  - name: admin-http
+    port: 16687
+    protocol: TCP
+    targetPort: 16687
+  selector:
+    app: jaeger
+    app.kubernetes.io/component: all-in-one
+    app.kubernetes.io/instance: jaeger-allinone
+    app.kubernetes.io/managed-by: jaeger-operator
+    app.kubernetes.io/name: jaeger-allinone
+    app.kubernetes.io/part-of: jaeger
+  type: ClusterIP
+
+---
+apiVersion: route.openshift.io/v1
+kind: Route
+metadata:
+  labels:
+    app: jaeger
+    app.kubernetes.io/component: query-route
+    app.kubernetes.io/instance: jaeger-allinone
+    app.kubernetes.io/managed-by: jaeger-operator
+    app.kubernetes.io/name: jaeger-allinone
+    app.kubernetes.io/part-of: jaeger
+  name: jaeger-allinone
+  namespace: kuttl-multi-cluster-receive
+spec:
+  port:
+    targetPort: http-query
+  tls:
+    termination: edge
+  to:
+    kind: Service
+    name: jaeger-allinone-query

tests/e2e-openshift/multi-cluster/01-create-jaeger.yaml

@@ -0,0 +1,9 @@
+apiVersion: jaegertracing.io/v1
+kind: Jaeger
+metadata:
+  name: jaeger-allinone
+  namespace: kuttl-multi-cluster-receive
+spec:
+  strategy: allinone
+  ingress:
+    security: none

tests/e2e-openshift/multi-cluster/02-assert.yaml

@@ -0,0 +1,147 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    app.kubernetes.io/component: opentelemetry-collector
+    app.kubernetes.io/instance: kuttl-multi-cluster-receive.otlp-receiver
+    app.kubernetes.io/managed-by: opentelemetry-operator
+    app.kubernetes.io/name: otlp-receiver-collector
+    app.kubernetes.io/part-of: opentelemetry
+    app.kubernetes.io/version: latest
+  name: otlp-receiver-collector
+  namespace: kuttl-multi-cluster-receive
+status:
+  availableReplicas: 1
+  readyReplicas: 1
+  replicas: 1
+
+---
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    app.kubernetes.io/component: opentelemetry-collector
+    app.kubernetes.io/instance: kuttl-multi-cluster-receive.otlp-receiver
+    app.kubernetes.io/managed-by: opentelemetry-operator
+    app.kubernetes.io/name: otlp-receiver-collector
+    app.kubernetes.io/part-of: opentelemetry
+    app.kubernetes.io/version: latest
+  name: otlp-receiver-collector
+  namespace: kuttl-multi-cluster-receive
+spec:
+  ports:
+  - appProtocol: h2c
+    name: otlp-grpc
+    port: 4317
+    protocol: TCP
+    targetPort: 4317
+  - appProtocol: http
+    name: otlp-http
+    port: 4318
+    protocol: TCP
+    targetPort: 4318
+  selector:
+    app.kubernetes.io/component: opentelemetry-collector
+    app.kubernetes.io/instance: kuttl-multi-cluster-receive.otlp-receiver
+    app.kubernetes.io/managed-by: opentelemetry-operator
+    app.kubernetes.io/part-of: opentelemetry
+  type: ClusterIP
+
+---
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    app.kubernetes.io/component: opentelemetry-collector
+    app.kubernetes.io/instance: kuttl-multi-cluster-receive.otlp-receiver
+    app.kubernetes.io/managed-by: opentelemetry-operator
+    app.kubernetes.io/name: otlp-receiver-collector
+    app.kubernetes.io/part-of: opentelemetry
+    app.kubernetes.io/version: latest
+    operator.opentelemetry.io/collector-headless-service: Exists
+  name: otlp-receiver-collector-headless
+  namespace: kuttl-multi-cluster-receive
+spec:
+  ports:
+  - appProtocol: h2c
+    name: otlp-grpc
+    port: 4317
+    protocol: TCP
+    targetPort: 4317
+  - appProtocol: http
+    name: otlp-http
+    port: 4318
+    protocol: TCP
+    targetPort: 4318
+  selector:
+    app.kubernetes.io/component: opentelemetry-collector
+    app.kubernetes.io/instance: kuttl-multi-cluster-receive.otlp-receiver
+    app.kubernetes.io/managed-by: opentelemetry-operator
+    app.kubernetes.io/part-of: opentelemetry
+  type: ClusterIP
+
+---
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    app.kubernetes.io/component: opentelemetry-collector
+    app.kubernetes.io/instance: kuttl-multi-cluster-receive.otlp-receiver
+    app.kubernetes.io/managed-by: opentelemetry-operator
+    app.kubernetes.io/name: otlp-receiver-collector-monitoring
+    app.kubernetes.io/part-of: opentelemetry
+    app.kubernetes.io/version: latest
+  name: otlp-receiver-collector-monitoring
+  namespace: kuttl-multi-cluster-receive
+spec:
+  ports:
+  - name: monitoring
+    port: 8888
+    protocol: TCP
+    targetPort: 8888
+  selector:
+    app.kubernetes.io/component: opentelemetry-collector
+    app.kubernetes.io/instance: kuttl-multi-cluster-receive.otlp-receiver
+    app.kubernetes.io/managed-by: opentelemetry-operator
+    app.kubernetes.io/part-of: opentelemetry
+  type: ClusterIP
+
+---
+apiVersion: route.openshift.io/v1
+kind: Route
+metadata:
+  labels:
+    app.kubernetes.io/instance: kuttl-multi-cluster-receive.otlp-receiver
+    app.kubernetes.io/managed-by: opentelemetry-operator
+    app.kubernetes.io/name: otlp-grpc-otlp-receiver-route
+  name: otlp-grpc-otlp-receiver-route
+  namespace: kuttl-multi-cluster-receive
+spec:
+  port:
+    targetPort: otlp-grpc
+  tls:
+    termination: passthrough
+  to:
+    kind: Service
+    name: otlp-receiver-collector
+    weight: 100
+
+---
+apiVersion: route.openshift.io/v1
+kind: Route
+metadata:
+  labels:
+    app.kubernetes.io/instance: kuttl-multi-cluster-receive.otlp-receiver
+    app.kubernetes.io/managed-by: opentelemetry-operator
+    app.kubernetes.io/name: otlp-http-otlp-receiver-route
+  name: otlp-http-otlp-receiver-route
+  namespace: kuttl-multi-cluster-receive
+spec:
+  port:
+    targetPort: otlp-http
+  tls:
+    termination: passthrough
+  to:
+    kind: Service
+    name: otlp-receiver-collector
+    weight: 100

tests/e2e-openshift/multi-cluster/02-otlp-receiver.yaml

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+apiVersion: kuttl.dev/v1beta1
+kind: TestStep
+commands:
+- script: ./generate_certs.sh
+
+---
+apiVersion: opentelemetry.io/v1alpha1
+kind: OpenTelemetryCollector
+metadata:
+  name: otlp-receiver
+  namespace: kuttl-multi-cluster-receive
+spec:
+  mode: "deployment"
+  ingress:
+    type: route
+    route:
+      termination: "passthrough"
+  volumes:
+    - name: kuttl-certs
+      configMap: 
+        name: kuttl-certs
+  volumeMounts:
+    - name: kuttl-certs
+      mountPath: /certs
+  config: |
+    receivers:
+      otlp:
+        protocols:
+          http:
+            tls:
+              cert_file: /certs/server.crt
+              key_file: /certs/server.key
+              client_ca_file: /certs/ca.crt
+          grpc:
+            tls:
+              cert_file: /certs/server.crt
+              key_file: /certs/server.key
+              client_ca_file: /certs/ca.crt
+    exporters:
+      otlp:
+        endpoint: "jaeger-allinone-collector.kuttl-multi-cluster-receive.svc:4317"
+        tls:
+          insecure: true
+    service:
+      pipelines:
+        traces:
+          receivers: [otlp]
+          processors: []
+          exporters: [otlp]