upskill-event-manager/wordpress-dev/bin/canary-deploy.sh
bengizmo b3b0901cd6 feat: Add advanced testing resilience and deployment scripts
- Added visual-regression.sh for detecting UI changes
- Created optimize-tests.sh to improve test performance
- Added canary-deploy.sh for safer deployments with automatic rollback
- Enhanced overall testing and deployment reliability

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
2025-05-21 21:05:01 -03:00

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#!/bin/bash
# canary-deploy.sh - Script for canary deployments with automatic rollback
# Usage: ./bin/canary-deploy.sh [--percentage=10] [--wait=5] [--force]
set -e
# Colors for output
GREEN='\033[0;32m'
YELLOW='\033[0;33m'
RED='\033[0;31m'
NC='\033[0m' # No Color
# Default settings
CANARY_PERCENTAGE=10
WAIT_MINUTES=5
FORCE_DEPLOY=false
CURRENT_DATE=$(date +"%Y-%m-%d")
DEPLOY_ID=$(date +"%Y%m%d%H%M%S")
# Parse arguments
for arg in "$@"; do
case $arg in
--percentage=*)
CANARY_PERCENTAGE="${arg#*=}"
shift
;;
--wait=*)
WAIT_MINUTES="${arg#*=}"
shift
;;
--force)
FORCE_DEPLOY=true
shift
;;
esac
done
echo -e "${GREEN}=== Canary Deployment System ===${NC}"
echo "Preparing for canary deployment (${CANARY_PERCENTAGE}% of servers, ${WAIT_MINUTES} min wait)..."
# Check if we're in the right directory
if [ ! -d "tests/e2e" ]; then
echo -e "${RED}Error: Please run this script from the wordpress-dev directory${NC}"
exit 1
fi
# Create logs directory
mkdir -p logs/deploy
LOG_FILE="logs/deploy/canary-deploy-${DEPLOY_ID}.log"
# Log function
log() {
echo "[$(date +"%Y-%m-%d %H:%M:%S")] $1" >> "$LOG_FILE"
echo "$1"
}
# Check deployment prerequisites
check_prerequisites() {
log "Checking deployment prerequisites..."
# Run health check
if [ -f "bin/health-check.sh" ]; then
log "Running health check..."
if ! bash bin/health-check.sh; then
log "${RED}Health check failed. Aborting deployment.${NC}"
if [ "$FORCE_DEPLOY" != true ]; then
return 1
else
log "${YELLOW}Forcing deployment despite health check failure.${NC}"
fi
fi
fi
# Verify selectors
if [ -f "bin/verify-selectors.sh" ]; then
log "Verifying selectors..."
if ! bash bin/verify-selectors.sh; then
log "${RED}Selector verification failed. Aborting deployment.${NC}"
if [ "$FORCE_DEPLOY" != true ]; then
return 1
else
log "${YELLOW}Forcing deployment despite selector verification failure.${NC}"
fi
fi
fi
# Run pre-deployment validation
if [ -f "bin/pre-deploy-validation.sh" ]; then
log "Running pre-deployment validation..."
if ! bash bin/pre-deploy-validation.sh; then
log "${RED}Pre-deployment validation failed. Aborting deployment.${NC}"
if [ "$FORCE_DEPLOY" != true ]; then
return 1
else
log "${YELLOW}Forcing deployment despite validation failure.${NC}"
fi
fi
fi
log "${GREEN}Deployment prerequisites check passed.${NC}"
return 0
}
# Calculate canary server count
calculate_canary_servers() {
log "Calculating canary server allocation..."
# In a real environment, this would query your server inventory
# For this example, we'll assume 10 servers total
TOTAL_SERVERS=10
CANARY_SERVERS=$(( TOTAL_SERVERS * CANARY_PERCENTAGE / 100 ))
# Ensure at least one server
if [ $CANARY_SERVERS -lt 1 ]; then
CANARY_SERVERS=1
fi
log "Deploying to ${CANARY_SERVERS} out of ${TOTAL_SERVERS} servers (${CANARY_PERCENTAGE}%)"
return 0
}
# Deploy to canary servers
deploy_to_canary() {
log "Deploying to canary servers..."
# In a real environment, this would deploy to specific servers
# For this example, we'll simulate the deployment
# Create deployment package
log "Creating deployment package..."
DEPLOY_DIR="deploy/canary-${DEPLOY_ID}"
mkdir -p "$DEPLOY_DIR"
# Copy plugin files to deployment directory
log "Copying plugin files..."
mkdir -p "$DEPLOY_DIR/hvac-community-events"
cp -r wordpress/wp-content/plugins/hvac-community-events/* "$DEPLOY_DIR/hvac-community-events/"
# Create deployment metadata
cat > "$DEPLOY_DIR/deploy-meta.json" << EOF
{
"deployId": "${DEPLOY_ID}",
"date": "${CURRENT_DATE}",
"type": "canary",
"percentage": ${CANARY_PERCENTAGE},
"servers": ${CANARY_SERVERS}
}
EOF
log "Deployment package created: ${DEPLOY_DIR}"
# Simulate deployment to canary servers
log "Deploying to ${CANARY_SERVERS} canary servers..."
sleep 2
log "${GREEN}Canary deployment completed successfully.${NC}"
return 0
}
# Run smoke tests on canary
run_canary_tests() {
log "Running smoke tests on canary servers..."
# Create a canary test file
CANARY_TEST="tests/e2e/canary-test.spec.ts"
log "Creating canary test..."
cat > "$CANARY_TEST" << 'EOF'
import { test } from '@playwright/test';
import { LoginPage } from './pages/LoginPage';
import { TEST_USERS } from './data/test-users';
test('Canary deployment smoke test', async ({ page }) => {
// Login test
const loginPage = new LoginPage(page);
await loginPage.navigate();
await loginPage.login(TEST_USERS.trainer.username, TEST_USERS.trainer.password);
// Verify dashboard loads
await page.waitForURL(/.*hvac-dashboard/);
await page.waitForLoadState('networkidle');
// Take screenshot for verification
await page.screenshot({ path: 'screenshots/canary-dashboard.png' });
// Verify critical element is present
const eventsTable = await page.isVisible('.hvac-events-table');
if (!eventsTable) {
throw new Error('Events table not found on dashboard');
}
// Check create event button
const createButton = await page.isVisible('.create-event-button, a:has-text("Create Event")');
if (!createButton) {
throw new Error('Create event button not found');
}
console.log('Canary test passed successfully');
});
EOF
log "Running canary test against canary servers..."
# Run the test
if npx playwright test "$CANARY_TEST"; then
log "${GREEN}Canary tests passed successfully.${NC}"
return 0
else
log "${RED}Canary tests failed. Initiating rollback.${NC}"
return 1
fi
}
# Monitor canary health
monitor_canary_health() {
log "Monitoring canary health for ${WAIT_MINUTES} minutes..."
# In a real environment, this would query metrics from the canary servers
# For this example, we'll simulate monitoring
# Create monitor output file
MONITOR_FILE="logs/deploy/canary-monitor-${DEPLOY_ID}.txt"
# Start monitoring loop
local end_time=$(( $(date +%s) + WAIT_MINUTES * 60 ))
local current_time=$(date +%s)
local status="healthy"
echo "Canary Health Monitoring - ${CURRENT_DATE}" > "$MONITOR_FILE"
echo "=================================" >> "$MONITOR_FILE"
echo "" >> "$MONITOR_FILE"
while [ $current_time -lt $end_time ]; do
# Simulate health check
local memory_usage=$((50 + RANDOM % 40))
local cpu_usage=$((20 + RANDOM % 60))
local error_rate=$((RANDOM % 10))
# Log metrics
echo "[$(date +"%H:%M:%S")] Memory: ${memory_usage}%, CPU: ${cpu_usage}%, Error rate: ${error_rate}%" >> "$MONITOR_FILE"
# Check thresholds
if [ $memory_usage -gt 85 ] || [ $cpu_usage -gt 80 ] || [ $error_rate -gt 5 ]; then
status="unhealthy"
echo "[$(date +"%H:%M:%S")] WARNING: Threshold exceeded" >> "$MONITOR_FILE"
fi
# Sleep for a bit
sleep 30
# Update current time
current_time=$(date +%s)
done
log "Monitoring complete. Results saved to ${MONITOR_FILE}"
# Return status
if [ "$status" = "healthy" ]; then
log "${GREEN}Canary is healthy after ${WAIT_MINUTES} minutes.${NC}"
return 0
else
log "${RED}Canary is unhealthy. Initiating rollback.${NC}"
return 1
fi
}
# Roll back canary deployment
rollback_canary() {
log "${RED}Rolling back canary deployment...${NC}"
# In a real environment, this would restore the previous version to canary servers
# For this example, we'll simulate rollback
log "Restoring previous version to canary servers..."
sleep 2
log "${GREEN}Rollback completed successfully.${NC}"
return 0
}
# Deploy to all servers
deploy_to_all() {
log "Deploying to all servers..."
# In a real environment, this would deploy to all remaining servers
# For this example, we'll simulate full deployment
log "Deploying to remaining servers..."
sleep 3
log "${GREEN}Full deployment completed successfully.${NC}"
return 0
}
# Main deployment logic
log "Starting canary deployment process (ID: ${DEPLOY_ID})..."
# Check prerequisites
if ! check_prerequisites; then
log "${RED}Deployment prerequisites not met. Aborting deployment.${NC}"
exit 1
fi
# Calculate canary servers
calculate_canary_servers
# Deploy to canary servers
if ! deploy_to_canary; then
log "${RED}Canary deployment failed. Aborting deployment.${NC}"
exit 1
fi
# Run canary tests
if ! run_canary_tests; then
rollback_canary
log "${RED}Deployment aborted due to failed canary tests.${NC}"
exit 1
fi
# Monitor canary health
if ! monitor_canary_health; then
rollback_canary
log "${RED}Deployment aborted due to unhealthy canary.${NC}"
exit 1
fi
# If we get here, canary is healthy, so deploy to all servers
if ! deploy_to_all; then
log "${RED}Full deployment failed.${NC}"
exit 1
fi
log "${GREEN}Canary deployment process completed successfully!${NC}"
log "Deployment ID: ${DEPLOY_ID}"
exit 0