Scheduled Monitoring #1
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| name: Scheduled Monitoring | |
| on: | |
| schedule: | |
| - cron: "0 5 * * 1" | |
| workflow_dispatch: | |
| jobs: | |
| monitoring-checks: | |
| runs-on: ubuntu-latest | |
| services: | |
| postgres: | |
| image: postgres:16 | |
| env: | |
| POSTGRES_DB: sql_data_engineering | |
| POSTGRES_USER: postgres | |
| POSTGRES_PASSWORD: postgres | |
| ports: | |
| - 5432:5432 | |
| options: >- | |
| --health-cmd "pg_isready -U postgres -d sql_data_engineering" | |
| --health-interval 10s | |
| --health-timeout 5s | |
| --health-retries 10 | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@v4 | |
| - name: Install PostgreSQL client | |
| run: | | |
| sudo apt-get update | |
| sudo apt-get install -y postgresql-client | |
| - name: Wait for PostgreSQL readiness | |
| env: | |
| PGPASSWORD: postgres | |
| run: | | |
| for i in {1..30}; do | |
| if pg_isready -h 127.0.0.1 -p 5432 -U postgres -d sql_data_engineering; then | |
| exit 0 | |
| fi | |
| sleep 2 | |
| done | |
| echo "PostgreSQL service did not become ready in time." | |
| exit 1 | |
| - name: Prepare environment | |
| run: | | |
| cat > .env <<'EOF' | |
| DB_HOST=127.0.0.1 | |
| DB_PORT=5432 | |
| DB_NAME=sql_data_engineering | |
| DB_USER=postgres | |
| DB_PASSWORD=postgres | |
| DATABASE_URL=postgresql://postgres:postgres@127.0.0.1:5432/sql_data_engineering | |
| EOF | |
| - name: Run ETL baseline | |
| env: | |
| DATABASE_URL: postgresql://postgres:postgres@127.0.0.1:5432/sql_data_engineering | |
| run: | | |
| psql "$DATABASE_URL" -v ON_ERROR_STOP=1 -f database/schema.sql | |
| psql "$DATABASE_URL" -v ON_ERROR_STOP=1 -f database/tables.sql | |
| psql "$DATABASE_URL" -v ON_ERROR_STOP=1 -f database/constraints.sql | |
| psql "$DATABASE_URL" -v ON_ERROR_STOP=1 -f database/indexes.sql | |
| psql "$DATABASE_URL" -v ON_ERROR_STOP=1 -f etl/extract.sql | |
| psql "$DATABASE_URL" -v ON_ERROR_STOP=1 -f etl/transform.sql | |
| psql "$DATABASE_URL" -v ON_ERROR_STOP=1 -f etl/load.sql | |
| - name: Run monitoring checks | |
| id: monitoring | |
| env: | |
| DATABASE_URL: postgresql://postgres:postgres@127.0.0.1:5432/sql_data_engineering | |
| run: | | |
| psql "$DATABASE_URL" -v ON_ERROR_STOP=1 -f monitoring/row_count_checks.sql | tee monitoring_row_count.log | |
| psql "$DATABASE_URL" -v ON_ERROR_STOP=1 -f monitoring/anomaly_detection.sql | tee monitoring_anomaly.log | |
| ANOMALY_COUNT="$(psql "$DATABASE_URL" -tA <<'SQL' | |
| WITH daily_revenue AS ( | |
| SELECT | |
| o.order_date AS day, | |
| SUM(CASE WHEN o.status = 'PAID' AND t.status = 'SUCCESS' THEN t.amount ELSE 0 END) AS revenue | |
| FROM oltp.orders o | |
| LEFT JOIN oltp.transactions t ON t.order_id = o.order_id | |
| GROUP BY o.order_date | |
| ), stats AS ( | |
| SELECT | |
| day, | |
| revenue, | |
| AVG(revenue) OVER () AS avg_revenue, | |
| STDDEV_SAMP(revenue) OVER () AS std_revenue | |
| FROM daily_revenue | |
| ) | |
| SELECT COUNT(*) | |
| FROM stats | |
| WHERE ABS((revenue - avg_revenue) / NULLIF(std_revenue, 0)) >= 2.0; | |
| SQL | |
| )" | |
| ANOMALY_COUNT="$(echo "$ANOMALY_COUNT" | tr -d '[:space:]')" | |
| echo "anomaly_count=${ANOMALY_COUNT}" >> "$GITHUB_OUTPUT" | |
| echo "Anomaly count: ${ANOMALY_COUNT}" | |
| if [ "${ANOMALY_COUNT}" -gt 0 ]; then | |
| echo "::warning::Detected ${ANOMALY_COUNT} potential revenue anomaly row(s). Review monitoring_anomaly.log artifact." | |
| fi | |
| - name: Upload monitoring logs | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: monitoring-logs | |
| path: | | |
| monitoring_row_count.log | |
| monitoring_anomaly.log |