feat(lab-02): complete Phase 3 - Network & VPC lab
Implement Lab 02 with Docker bridge networks simulating VPC/Subnets. Test Infrastructure (RED phase): - 6 bash test scripts for network creation, isolation, INF-02 compliance - Fail-fast orchestration with run-all-tests.sh - Quick validation script for development Documentation (Diátaxis framework): - 3 tutorials: VPC creation, container deployment, isolation verification - 4 how-to guides: create network, inspect config, test isolation, cleanup - 3 reference docs: Docker network commands, Compose syntax, VPC mapping - 1 explanation: Docker ↔ VPC parallels (PARA-01/02/03/04) Infrastructure (GREEN phase): - docker-compose.yml with VPC networks (10.0.1.0/24, 10.0.2.0/24) - 5 services: web, app, db, test-public, test-private - INF-02 compliant: 127.0.0.1 bindings only, no 0.0.0.0 - Private network with --internal flag - Multi-homed app container (public + private networks) Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Luca Sacchi Ricciardi
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labs/lab-02-network/tests/quick-test.sh
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196
labs/lab-02-network/tests/quick-test.sh
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#!/bin/bash
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# Quick Test: Fast Validation for Development
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# Runs subset of critical tests for rapid feedback during development
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# Usage: bash labs/lab-02-network/tests/quick-test.sh
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set -euo pipefail
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# Color definitions
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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BLUE='\033[0;34m'
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YELLOW='\033[1;33m'
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CYAN='\033[0;36m'
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BOLD='\033[1m'
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NC='\033[0m'
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# Get script directory
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TEST_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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PROJECT_ROOT="$(cd "$TEST_DIR/../.." && pwd)"
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# Counter helpers
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pass_count=0
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fail_count=0
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inc_pass() { ((pass_count++)) || true; }
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inc_fail() { ((fail_count++)) || true; }
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# Helper functions
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print_header() {
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echo -e "${CYAN}╔═══════════════════════════════════════════════════════════════╗${NC}"
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echo -e "${CYAN}║${NC} ${BOLD}$1${NC}"
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echo -e "${CYAN}╚═══════════════════════════════════════════════════════════════╝${NC}"
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}
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print_test() {
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echo -e "\n${BLUE}[TEST]${NC} $1"
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}
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print_pass() {
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echo -e " ${GREEN}[✓]${NC} $1"
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inc_pass
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}
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print_fail() {
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echo -e " ${RED}[✗]${NC} $1"
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inc_fail
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}
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print_info() {
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echo -e " ${CYAN}[i]${NC} $1"
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}
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# Main header
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clear
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print_header "Lab 02: Quick Test (Fast Validation)"
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echo ""
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echo -e "Running critical tests only (< 30 seconds)"
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echo -e "For full test suite, run: ${YELLOW}bash run-all-tests.sh${NC}"
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echo ""
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# Quick Test 1: Docker availability
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print_test "Docker is available"
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if command -v docker &> /dev/null; then
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print_pass "Docker command found"
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print_info "$(docker --version)"
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else
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print_fail "Docker not found"
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exit 1
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fi
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# Quick Test 2: Docker Compose file exists
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print_test "docker-compose.yml exists"
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COMPOSE_FILE="$PROJECT_ROOT/labs/lab-02-network/docker-compose.yml"
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if [[ -f "$COMPOSE_FILE" ]]; then
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print_pass "docker-compose.yml found"
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else
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print_fail "docker-compose.yml not found (expected after Tutorial 1)"
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print_info "This is OK if you're starting the lab"
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fi
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# Quick Test 3: Validate compose syntax (if file exists)
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if [[ -f "$COMPOSE_FILE" ]]; then
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print_test "docker-compose.yml has valid syntax"
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if docker compose -f "$COMPOSE_FILE" config &> /dev/null; then
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print_pass "Compose file is valid YAML"
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else
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print_fail "Compose file has syntax errors"
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print_info "Run: docker compose -f docker-compose.yml config"
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fi
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# Quick Test 4: INF-02 compliance (no 0.0.0.0 bindings)
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print_test "INF-02 compliance (no 0.0.0.0 bindings)"
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ZERO_COUNT=$(grep -c -E '0\.0\.0\.0:[0-9]+' "$COMPOSE_FILE" 2>/dev/null || echo "0")
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if [[ $ZERO_COUNT -eq 0 ]]; then
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print_pass "No 0.0.0.0 bindings (secure)"
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else
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print_fail "Found $ZERO_COUNT 0.0.0.0 bindings (INF-02 violation)"
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fi
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fi
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# Quick Test 5: Docker networks can be created
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print_test "Docker network creation works"
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if docker network create --driver bridge --subnet 10.0.99.0/24 quick-test-net &> /dev/null; then
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print_pass "Can create bridge network with custom subnet"
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docker network rm quick-test-net &> /dev/null
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else
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print_fail "Failed to create test network"
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fi
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# Quick Test 6: Network isolation works
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print_test "Network isolation verification"
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# Create two networks
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if docker network create --driver bridge --subnet 10.0.98.0/24 quick-test-net1 &> /dev/null && \
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docker network create --driver bridge --subnet 10.0.97.0/24 quick-test-net2 &> /dev/null; then
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# Create test containers
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if docker run -d --name qt-c1 --network quick-test-net1 alpine:3.19 sleep 60 &> /dev/null && \
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docker run -d --name qt-c2 --network quick-test-net2 alpine:3.19 sleep 60 &> /dev/null; then
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# Test cross-network isolation (should fail)
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if docker exec qt-c1 ping -c 1 -W 1 qt-c2 &> /dev/null; then
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print_fail "Cross-network communication works (isolation broken!)"
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else
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print_pass "Cross-network communication blocked (isolation works)"
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fi
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# Cleanup
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docker stop qt-c1 qt-c2 &> /dev/null
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docker rm qt-c1 qt-c2 &> /dev/null
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else
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print_fail "Failed to create test containers"
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fi
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# Cleanup networks
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docker network rm quick-test-net1 quick-test-net2 &> /dev/null
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else
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print_fail "Failed to create test networks"
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fi
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# Quick Test 7: Test scripts exist
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print_test "Test infrastructure present"
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TEST_COUNT=0
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if [[ -f "$TEST_DIR/01-network-creation-test.sh" ]]; then ((TEST_COUNT++)) || true; fi
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if [[ -f "$TEST_DIR/02-isolation-verification-test.sh" ]]; then ((TEST_COUNT++)) || true; fi
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if [[ -f "$TEST_DIR/03-inf02-compliance-test.sh" ]]; then ((TEST_COUNT++)) || true; fi
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if [[ $TEST_COUNT -eq 3 ]]; then
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print_pass "All test scripts present ($TEST_COUNT/3)"
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else
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print_fail "Some test scripts missing ($TEST_COUNT/3)"
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fi
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# Quick Test 8: Documentation exists
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print_test "Documentation files present"
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DOC_COUNT=0
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if [[ -f "$TEST_DIR/../tutorial/01-create-networks.md" ]]; then ((DOC_COUNT++)) || true; fi
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if [[ -f "$TEST_DIR/../tutorial/02-deploy-containers.md" ]]; then ((DOC_COUNT++)) || true; fi
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if [[ -f "$TEST_DIR/../tutorial/03-verify-isolation.md" ]]; then ((DOC_COUNT++)) || true; fi
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if [[ $DOC_COUNT -ge 1 ]]; then
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print_pass "Documentation present ($DOC_COUNT tutorial files)"
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else
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print_info "No documentation yet (expected during development)"
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fi
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# Summary
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print_header "Quick Test Summary"
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echo -e "Tests run: ${BOLD}$((pass_count + fail_count))${NC}"
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echo -e " ${GREEN}Passed:${NC} $pass_count"
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if [[ $fail_count -gt 0 ]]; then
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echo -e " ${RED}Failed:${NC} $fail_count"
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fi
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echo ""
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# Verdict
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if [[ $fail_count -eq 0 ]]; then
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echo -e "${GREEN}${BOLD}✓ ALL QUICK TESTS PASSED${NC}"
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echo ""
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echo -e "Quick validation successful!"
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echo ""
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echo -e "Next steps:"
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echo -e " 1. Run full test suite: ${CYAN}bash run-all-tests.sh${NC}"
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echo -e " 2. Run final verification: ${CYAN}bash 99-final-verification.sh${NC}"
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echo ""
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exit 0
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else
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echo -e "${RED}${BOLD}✗ QUICK TESTS FAILED${NC}"
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echo ""
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echo -e "Some critical tests failed. Please review:"
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echo -e " 1. Check Docker is running: ${CYAN}docker ps${NC}"
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echo -e " 2. Verify compose file: ${CYAN}cd labs/lab-02-network && docker compose config${NC}"
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echo -e " 3. Run full test suite for details: ${CYAN}bash run-all-tests.sh${NC}"
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echo ""
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exit 1
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fi
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