change panic to fatal log

2025-08-10 14:28:32 +03:00
parent 4ede8161f8
commit b6087afc46
10 changed files with 265 additions and 55 deletions
--- a/test-conf/manifests/HA-test.yaml
+++ b/test-conf/manifests/HA-test.yaml
@@ -0,0 +1,197 @@
+---
+# Namespace for testing
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: ha-test
+
+---
+# ConfigMap with application configuration
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: nginx-config
+  namespace: ha-test
+data:
+  index.html: |
+    <!DOCTYPE html>
+    <html>
+    <head>
+        <title>HA Cluster Test</title>
+        <style>
+            body { font-family: Arial, sans-serif; margin: 40px; }
+            .info { background: #e7f3ff; padding: 20px; border-radius: 5px; margin: 10px 0; }
+            .hostname { color: #2196F3; font-weight: bold; }
+        </style>
+    </head>
+    <body>
+        <h1>Kubernetes HA Cluster Test</h1>
+        <div class="info">
+            <p><strong>Pod Hostname:</strong> <span class="hostname" id="hostname"></span></p>
+            <p><strong>Timestamp:</strong> <span id="timestamp"></span></p>
+            <p><strong>Node IP:</strong> <span id="nodeip"></span></p>
+        </div>
+        <script>
+            document.getElementById('hostname').textContent = window.location.hostname;
+            document.getElementById('timestamp').textContent = new Date().toISOString();
+            // Node IP will be shown via environment variable injection
+        </script>
+    </body>
+    </html>
+
+---
+# Deployment with multiple replicas for HA testing
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: ha-test-app
+  namespace: ha-test
+  labels:
+    app: ha-test-app
+spec:
+  replicas: 6 # Deploy across multiple nodes
+  strategy:
+    type: RollingUpdate
+    rollingUpdate:
+      maxUnavailable: 1
+      maxSurge: 1
+  selector:
+    matchLabels:
+      app: ha-test-app
+  template:
+    metadata:
+      labels:
+        app: ha-test-app
+    spec:
+      # Anti-affinity to spread pods across nodes
+      affinity:
+        podAntiAffinity:
+          preferredDuringSchedulingIgnoredDuringExecution:
+            - weight: 100
+              podAffinityTerm:
+                labelSelector:
+                  matchExpressions:
+                    - key: app
+                      operator: In
+                      values:
+                        - ha-test-app
+                topologyKey: kubernetes.io/hostname
+      containers:
+        - name: nginx
+          image: nginx:1.25-alpine
+          ports:
+            - containerPort: 80
+              name: http
+          env:
+            - name: NODE_NAME
+              valueFrom:
+                fieldRef:
+                  fieldPath: spec.nodeName
+            - name: POD_NAME
+              valueFrom:
+                fieldRef:
+                  fieldPath: metadata.name
+            - name: POD_IP
+              valueFrom:
+                fieldRef:
+                  fieldPath: status.podIP
+          volumeMounts:
+            - name: nginx-config
+              mountPath: /usr/share/nginx/html
+          resources:
+            requests:
+              memory: "64Mi"
+              cpu: "50m"
+            limits:
+              memory: "128Mi"
+              cpu: "100m"
+          livenessProbe:
+            httpGet:
+              path: /
+              port: 80
+            initialDelaySeconds: 10
+            periodSeconds: 10
+          readinessProbe:
+            httpGet:
+              path: /
+              port: 80
+            initialDelaySeconds: 5
+            periodSeconds: 5
+      volumes:
+        - name: nginx-config
+          configMap:
+            name: nginx-config
+
+---
+# Service to expose the deployment
+apiVersion: v1
+kind: Service
+metadata:
+  name: ha-test-service
+  namespace: ha-test
+  labels:
+    app: ha-test-app
+spec:
+  selector:
+    app: ha-test-app
+  ports:
+    - port: 80
+      targetPort: 80
+      protocol: TCP
+      name: http
+  type: ClusterIP
+
+---
+# NodePort Service for external access (alternative to ingress)
+apiVersion: v1
+kind: Service
+metadata:
+  name: ha-test-nodeport
+  namespace: ha-test
+  labels:
+    app: ha-test-app
+spec:
+  selector:
+    app: ha-test-app
+  ports:
+    - port: 80
+      targetPort: 80
+      nodePort: 30080
+      protocol: TCP
+      name: http
+  type: NodePort
+
+---
+# HorizontalPodAutoscaler for testing scaling
+apiVersion: autoscaling/v2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: ha-test-hpa
+  namespace: ha-test
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: ha-test-app
+  minReplicas: 3
+  maxReplicas: 12
+  metrics:
+    - type: Resource
+      resource:
+        name: cpu
+        target:
+          type: Utilization
+          averageUtilization: 70
+
+---
+# PodDisruptionBudget for HA
+apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: ha-test-pdb
+  namespace: ha-test
+spec:
+  minAvailable: 2
+  selector:
+    matchLabels:
+      app: ha-test-app