Add performance tests resources

performance_tests/manifests/readme.md

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+# Performance Testing Resources for Arcane Operator
+
+## Overview
+
+This directory contains Kubernetes manifests for performance testing the Arcane operator. The resources enable automated testing of streaming workloads at scale.
+
+## Prerequisites
+
+- Kubernetes cluster with Arcane operator and `arcane-stream-mock` installed
+- `kubectl` configured to access the target cluster
+- Namespace `arcane-stream-mock` created
+
+## Resources
+
+### 1. test_secret.yaml
+A Kubernetes Secret containing test credentials and configuration data.
+
+**Purpose**: Provides ability to test secret management and access by streaming jobs.
+
+**Apply**:
+```bash
+kubectl apply -f test_secret.yaml
+```
+
+### 2. stream_template.yaml
+A `TestStreamDefinition` resource that defines mock streaming workloads.
+
+**Purpose**: Creates test streams for performance evaluation.
+
+**Key Parameters**:
+- `runDuration`: Duration for each test run (default: 360s)
+- `suspended`: Set to `false` to start streams in backfill mode
+- `shouldFail`: Set to `true` to test failure scenarios
+
+**Apply**:
+```bash
+kubectl apply -f stream_template.yaml
+```
+
+## Performance Testing Workflow
+
+### Step 1: Deploy Test Secret
+```bash
+kubectl apply -f test_secret.yaml
+```
+
+Verify the secret is created:
+```bash
+kubectl get secret test-secret -n arcane-stream-mock
+```
+
+### Step 2: Create StreamingJobTemplate
+Ensure the referenced `StreamingJobTemplate` (`arcane-stream-mock-standard-job`) exists in the `arcane-stream-mock` namespace before applying the stream template.
+
+### Step 3: Deploy Test Streams
+```bash
+for i in {1..2000}; do kubectl create -f stream_template.yaml; done
+```
+
+This creates a two thousand test streams with a generated name (e.g., `mock-stream-abc123`).
+
+### Step 4: Activate Test Streams
+By default, streams are created in suspended state. To start testing:
+
+Assuming you want to activate 300 streams at a time in parallel with 4 concurrent processes:
+```bash
+kubectl get teststreamdefinition -n arcane-stream-mock --no-headers \
+  | grep Suspended \
+  | head -n 300 \
+  | awk '{print $1}' \
+  | xargs --max-procs=4 \
+  | kubectl patch teststreamdefinition <stream-name> -n arcane-stream-mock -p '{"spec":{"suspended":false}}' --type=merge
+```
+
+### Step 5: Monitor Performance
+Use the Prometeus metrics exposed by the Arcane operator to monitor performance and resource usage during testing.
+
+## Scaling Tests
+
+## Customizing Tests
+
+### Modify Run Duration
+Edit `stream_template.yaml` and change `runDuration`:
+```yaml
+spec:
+  runDuration: 600s  # 10 minutes
+```
+
+### Test Failure Scenarios
+```yaml
+spec:
+  shouldFail: true
+```
+
+## Cleanup
+
+### Remove All Test Streams
+```bash
+kubectl delete teststreamdefinition -n arcane-stream-mock --all
+```
+
+### Remove Test Secret
+```bash
+kubectl delete -f test_secret.yaml
+```
+
+## Troubleshooting
+
+### Stream Not Starting
+- Check if `suspended` is set to `false`
+- Verify `StreamingJobTemplate` reference exists
+- Check operator logs: `kubectl logs -n <operator-namespace> -l app=arcane-operator`
+
+### Jobs Failing
+- Verify test secret is properly configured
+- Check job logs: `kubectl logs -n arcane-stream-mock <job-pod-name>`
+- Ensure sufficient cluster resources (CPU, memory)
+- Check if `shouldFail` is set to `true` for intentional failures
+
+## Metrics Collection
+
+Monitor operator performance metrics:
+```bash
+# CPU/Memory usage
+kubectl top pods -n <operator-namespace>
+
+# Stream processing metrics
+kubectl describe teststreamdefinition -n arcane-stream-mock
+```
+
+## Best Practices
+
+1. **Incremental Load Testing**: Start with 1-2 streams, gradually increase
+2. **Resource Limits**: Monitor cluster resources during tests
+3. **Cleanup**: Always clean up test resources after performance testing
+4. **Isolation**: Use dedicated namespace for performance tests
+5. **Baseline**: Establish baseline metrics before scaling tests

performance_tests/manifests/stream_template.yaml

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+apiVersion: streaming.sneaksanddata.com/v1
+kind: TestStreamDefinition
+metadata:
+  generateName: mock-stream-
+  namespace: arcane-stream-mock
+spec:
+  backfillJobTemplateRef:
+    apiVersion: streaming.sneaksanddata.com/v1
+    kind: StreamingJobTemplate
+    name: arcane-stream-mock-standard-job
+    namespace: arcane-stream-mock
+  destination: mock-destination
+  jobTemplateRef:
+    apiVersion: streaming.sneaksanddata.com/v1
+    kind: StreamingJobTemplate
+    name: arcane-stream-mock-standard-job
+    namespace: arcane-stream-mock
+  runDuration: 360s
+  shouldFail: false
+  source: mock-source
+  suspended: true
+  testSecretRef:
+    name: test-secret

performance_tests/manifests/test_secret.yaml

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+apiVersion: v1
+kind: Secret
+metadata:
+  name: test-secret
+  namespace: arcane-stream-mock
+data:
+  TEST_SECRET: c2VjcmV0IGRhdGE=
+type: Opaque
+
+