Initialisation depot

arti-api/auth-service/pipeline/test-replica-locking.sh

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+#!/bin/bash
+
+# Test replica-based build locking mechanism
+# This script demonstrates how the build system uses replicas for atomic locking
+
+set -e
+
+NAMESPACE="apps--droneio--prd"
+DEPLOYMENT="buildah-external"
+
+echo "🧪 Testing Replica-Based Build Locking"
+echo "======================================"
+
+# Function to get current replicas
+get_replicas() {
+    kubectl get deployment $DEPLOYMENT -n $NAMESPACE -o jsonpath='{.spec.replicas}'
+}
+
+# Function to check if build can start
+can_start_build() {
+    local replicas=$(get_replicas)
+    if [ "$replicas" = "0" ]; then
+        echo "✅ Build can start (replicas=0)"
+        return 0
+    else
+        echo "❌ Build already running (replicas=$replicas)"
+        return 1
+    fi
+}
+
+# Function to start build (scale up)
+start_build() {
+    echo "🔒 Acquiring build lock (scaling up)..."
+    kubectl scale deployment $DEPLOYMENT --replicas=1 -n $NAMESPACE
+    echo "⏳ Waiting for pod to be ready..."
+    kubectl wait --for=condition=ready pod -l app=buildah-external -n $NAMESPACE --timeout=120s
+    echo "✅ Build lock acquired!"
+}
+
+# Function to end build (scale down)
+end_build() {
+    echo "🔽 Releasing build lock (scaling down)..."
+    kubectl scale deployment $DEPLOYMENT --replicas=0 -n $NAMESPACE
+    echo "⏳ Waiting for pods to terminate..."
+    kubectl wait --for=delete pod -l app=buildah-external -n $NAMESPACE --timeout=60s || echo "Pods may still be terminating"
+    echo "✅ Build lock released!"
+}
+
+# Test sequence
+echo "📊 Current deployment status:"
+kubectl get deployment $DEPLOYMENT -n $NAMESPACE
+
+echo ""
+echo "🔍 Checking if build can start..."
+if can_start_build; then
+    echo ""
+    echo "🚀 Starting test build..."
+    start_build
+    
+    echo ""
+    echo "📊 Deployment during build:"
+    kubectl get deployment $DEPLOYMENT -n $NAMESPACE
+    kubectl get pods -l app=buildah-external -n $NAMESPACE
+    
+    echo ""
+    echo "🔍 Testing concurrent build attempt..."
+    if can_start_build; then
+        echo "🚨 ERROR: Concurrent build should be blocked!"
+        exit 1
+    else
+        echo "✅ Concurrent build correctly blocked!"
+    fi
+    
+    echo ""
+    echo "🛑 Ending test build..."
+    end_build
+    
+    echo ""
+    echo "📊 Final deployment status:"
+    kubectl get deployment $DEPLOYMENT -n $NAMESPACE
+    
+    echo ""
+    echo "🔍 Verifying build can start again..."
+    if can_start_build; then
+        echo "✅ Build system ready for next build!"
+    else
+        echo "🚨 ERROR: Build system not properly reset!"
+        exit 1
+    fi
+else
+    echo ""
+    echo "⚠️ Cannot test - build already running"
+    echo "Use: kubectl scale deployment $DEPLOYMENT --replicas=0 -n $NAMESPACE"
+fi
+
+echo ""
+echo "🎉 Replica-based locking test completed successfully!"
+echo ""
+echo "💡 Benefits:"
+echo "   ✅ Atomic operations (no race conditions)"
+echo "   ✅ No lock files to manage"
+echo "   ✅ Kubernetes-native approach"
+echo "   ✅ Resource efficient (only runs when needed)"
+echo "   ✅ Automatic cleanup on failure"