Add e2e tests for java auto-instrumentation (#498)

* Add e2e tests for java auto-instrumentation

Signed-off-by: Pavol Loffay <p.loffay@gmail.com>

tests/e2e/instrumentation-java/00-install-collector.yaml

@@ -0,0 +1,26 @@
+apiVersion: opentelemetry.io/v1alpha1
+kind: OpenTelemetryCollector
+metadata:
+  name: sidecar
+spec:
+  mode: sidecar
+  args:
+    metrics-level: detailed
+    log-level: debug
+  config: |
+    receivers:
+      otlp:
+        protocols:
+          grpc:
+          http:
+    processors:
+
+    exporters:
+      logging:
+
+    service:
+      pipelines:
+        traces:
+          receivers: [otlp]
+          processors: []
+          exporters: [logging]

tests/e2e/instrumentation-java/00-install-instrumentation.yaml

@@ -0,0 +1,9 @@
+apiVersion: opentelemetry.io/v1alpha1
+kind: Instrumentation
+metadata:
+  name: java
+spec:
+  exporter:
+    endpoint: http://localhost:4318
+  java:
+    image: ghcr.io/open-telemetry/opentelemetry-operator/autoinstrumentation-java:latest

tests/e2e/instrumentation-java/01-assert.yaml

@@ -0,0 +1,27 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  annotations:
+    sidecar.opentelemetry.io/inject: "true"
+    instrumentation.opentelemetry.io/inject-java: "true"
+  labels:
+    app: my-pod-with-sidecar
+spec:
+  containers:
+  - name: myapp
+    env:
+    - name: OTEL_SERVICE_NAME
+      value: myapp
+    - name: OTEL_EXPORTER_OTLP_ENDPOINT
+      value: http://localhost:4318
+    - name: JAVA_TOOL_OPTIONS
+      value: " -javaagent:/otel-auto-instrumentation/javaagent.jar"
+    volumeMounts:
+    - mountPath: /var/run/secrets/kubernetes.io/serviceaccount
+    - mountPath: /otel-auto-instrumentation
+      name: opentelemetry-auto-instrumentation
+  - name: otc-container
+  initContainers:
+  - name: opentelemetry-auto-instrumentation
+status:
+  phase: Running

tests/e2e/instrumentation-java/01-install-app.yaml

@@ -0,0 +1,20 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: my-deployment-with-sidecar
+spec:
+  selector:
+    matchLabels:
+      app: my-pod-with-sidecar
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        app: my-pod-with-sidecar
+      annotations:
+        sidecar.opentelemetry.io/inject: "true"
+        instrumentation.opentelemetry.io/inject-java: "true"
+    spec:
+      containers:
+      - name: myapp
+        image: ghcr.io/pavolloffay/spring-petclinic:latest