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feat(labs): implement Lab 15-02 external dependencies (PostgreSQL + Redis + Mailhog)
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‎.github/workflows/ci.yml‎

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@@ -111,3 +111,42 @@ run: bash tests/labs/test-lab-15-01.sh
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- name: Cleanup
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if: always()
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run: docker compose -f docker/docker-compose.standalone.yml down -v
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lab-02-smoke:
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name: Lab 02 -- Taiga External Dependencies (PostgreSQL + Redis + Mailhog)
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runs-on: ubuntu-latest
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needs: validate
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continue-on-error: true
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steps:
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- uses: actions/checkout@v4
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- name: Install tools
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run: sudo apt-get install -y curl postgresql-client -qq
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- name: Validate LAN compose
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run: docker compose -f docker/docker-compose.lan.yml config -q && echo "LAN compose valid"
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- name: Start LAN stack
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run: docker compose -f docker/docker-compose.lan.yml up -d
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- name: Wait for PostgreSQL
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run: timeout 120 bash -c 'until docker exec taiga-l02-db pg_isready -U taiga -d taiga; do sleep 5; done'
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- name: Wait for Redis
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run: timeout 60 bash -c 'until docker exec taiga-l02-redis redis-cli ping | grep -q PONG; do sleep 5; done'
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- name: Wait for Mailhog
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run: timeout 60 bash -c 'until curl -sf http://localhost:8710/api/v2/messages; do sleep 5; done'
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- name: Wait for Taiga backend
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run: timeout 180 bash -c 'until curl -o /dev/null -sw "%{http_code}" http://localhost:8011/api/v1/ | grep -q "^[234]"; do sleep 10; done'
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- name: Run Lab 15-02 test script
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run: bash tests/labs/test-lab-15-02.sh --no-cleanup
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- name: Collect logs on failure
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if: failure()
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run: docker compose -f docker/docker-compose.lan.yml logs
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- name: Cleanup
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if: always()
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run: docker compose -f docker/docker-compose.lan.yml down -v

‎docker/docker-compose.lan.yml‎

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Original file line numberDiff line numberDiff line change
@@ -1,36 +1,127 @@
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# Lab 02 — External Dependencies: taiga with external PostgreSQL and Redis
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# Lab 02 — External Dependencies: Taiga with external PostgreSQL, Redis, and Mailhog
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# Models the LAN tier: DB/cache on data-net, app on app-net.
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# Taiga UI: http://localhost:8410
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# Taiga API: http://localhost:8011
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# Mailhog: http://localhost:8710
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---
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name: it-stack-taiga-lab02
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services:
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taiga:
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image: taigaio/taiga-front:latest
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container_name: it-stack-taiga
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# ── External Database (simulates lab-db1) ─────────────────────────────────
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taiga-l02-db:
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image: postgres:15-alpine
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container_name: taiga-l02-db
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restart: unless-stopped
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ports:
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- "80:$firstPort"
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environment:
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- IT_STACK_ENV=lab-02-lan
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- DB_HOST=
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- DB_PORT=5432
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- REDIS_HOST=
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POSTGRES_DB: taiga
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POSTGRES_USER: taiga
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POSTGRES_PASSWORD: TaigaLab02!
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volumes:
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- taiga-l02-db-data:/var/lib/postgresql/data
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healthcheck:
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test: ["CMD-SHELL", "pg_isready -U taiga -d taiga"]
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interval: 10s
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timeout: 5s
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retries: 8
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start_period: 30s
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networks:
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- it-stack-net
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- taiga-l02-data-net
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# Lightweight local DB for lab (replace with lab-db1 in real env)
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postgres:
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image: postgres:16
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container_name: it-stack-taiga-db
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# ── External Redis (simulates shared cache tier) ───────────────────────────
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taiga-l02-redis:
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image: redis:7-alpine
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container_name: taiga-l02-redis
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restart: unless-stopped
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healthcheck:
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test: ["CMD", "redis-cli", "ping"]
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interval: 10s
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timeout: 5s
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retries: 5
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networks:
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- taiga-l02-data-net
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# ── External SMTP relay (Mailhog) ─────────────────────────────────────────
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taiga-l02-mail:
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image: mailhog/mailhog:latest
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container_name: taiga-l02-mail
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restart: unless-stopped
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ports:
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- "8710:8025"
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networks:
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- taiga-l02-app-net
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# ── Taiga Backend (Django API) ────────────────────────────────────────────
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taiga-l02-back:
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image: taigaio/taiga-back:latest
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container_name: taiga-l02-back
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restart: unless-stopped
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depends_on:
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taiga-l02-db:
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condition: service_healthy
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taiga-l02-redis:
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condition: service_healthy
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taiga-l02-mail:
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condition: service_started
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environment:
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POSTGRES_DB: taiga_db
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POSTGRES_USER: taiga_user
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POSTGRES_PASSWORD: taiga_pass
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POSTGRES_HOST: taiga-l02-db
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POSTGRES_DB: taiga
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POSTGRES_USER: taiga
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POSTGRES_PASSWORD: TaigaLab02!
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TAIGA_SECRET_KEY: "lab02-lan-secret-key-for-testing-only-change-in-prod"
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TAIGA_SITES_DOMAIN: "localhost:8011"
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TAIGA_SITES_SCHEME: "http"
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TAIGA_REDIS_URL: "redis://taiga-l02-redis:6379/0"
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DEFAULT_FROM_EMAIL: "taiga@lab02.local"
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EMAIL_BACKEND: "django.core.mail.backends.smtp.EmailBackend"
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EMAIL_USE_TLS: "False"
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EMAIL_USE_SSL: "False"
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EMAIL_HOST: taiga-l02-mail
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EMAIL_PORT: "1025"
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SESSION_COOKIE_SECURE: "False"
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CSRF_COOKIE_SECURE: "False"
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ENABLE_TELEMETRY: "False"
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ports:
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- "8011:8000"
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volumes:
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- taiga_pg_data:/var/lib/postgresql/data
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- taiga-l02-static:/taiga-back/static
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- taiga-l02-media:/taiga-back/media
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healthcheck:
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test: ["CMD-SHELL", "curl -sf http://localhost:8000/api/v1/ | grep -q 'projects\\|auth\\|404' || curl -o /dev/null -sw '%{http_code}' http://localhost:8000/api/v1/ | grep -q '^[234]'"]
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interval: 30s
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timeout: 15s
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retries: 8
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start_period: 90s
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networks:
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- taiga-l02-data-net
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- taiga-l02-app-net
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# ── Taiga Frontend (Nginx) ────────────────────────────────────────────────
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taiga-l02-front:
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image: taigaio/taiga-front:latest
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container_name: taiga-l02-front
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restart: unless-stopped
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environment:
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TAIGA_URL: "http://localhost:8011"
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TAIGA_WEBSOCKETS_URL: "ws://localhost:8011"
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ports:
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- "8410:80"
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healthcheck:
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test: ["CMD-SHELL", "curl -sf http://localhost/ | grep -qi 'taiga\\|doctype' || exit 1"]
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interval: 30s
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timeout: 10s
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retries: 5
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start_period: 60s
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networks:
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- it-stack-net
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- taiga-l02-app-net
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networks:
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it-stack-net:
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taiga-l02-data-net:
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driver: bridge
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taiga-l02-app-net:
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driver: bridge
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volumes:
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taiga_pg_data:
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taiga-l02-db-data:
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taiga-l02-static:
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taiga-l02-media:

‎tests/labs/test-lab-15-02.sh‎

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Original file line numberDiff line numberDiff line change
@@ -26,38 +26,153 @@ echo -e "${CYAN} Module: ${MODULE}${NC}"
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echo -e "${CYAN}======================================${NC}"
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echo ""
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# ── Cleanup control ───────────────────────────────────────────────────────────
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CLEANUP=true
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[[ "${1:-}" == "--no-cleanup" ]] && CLEANUP=false
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cleanup() {
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if [[ "${CLEANUP}" == "true" ]]; then
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info "Phase 4: Cleanup"
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docker compose -f "${COMPOSE_FILE}" down -v --remove-orphans 2>/dev/null || true
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info "Cleanup complete"
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else
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info "Skipping cleanup (--no-cleanup)"
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fi
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}
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trap cleanup EXIT
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# ── PHASE 1: Setup ────────────────────────────────────────────────────────────
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info "Phase 1: Setup"
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docker compose -f "${COMPOSE_FILE}" up -d
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info "Waiting 30s for ${MODULE} to initialize..."
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sleep 30
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# ── PHASE 2: Health Checks ────────────────────────────────────────────────────
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info "Phase 2: Health Checks"
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if docker compose -f "${COMPOSE_FILE}" ps | grep -q "running\|Up"; then
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pass "Container is running"
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info "Waiting for external PostgreSQL (taiga-l02-db, up to 90s)..."
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for i in $(seq 1 18); do
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if docker exec taiga-l02-db pg_isready -U taiga -d taiga >/dev/null 2>&1; then
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pass "External PostgreSQL healthy"
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break
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fi
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[[ $i -eq 18 ]] && fail "External PostgreSQL timed out after 90s"
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sleep 5
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done
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info "Waiting for external Redis (taiga-l02-redis, up to 60s)..."
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for i in $(seq 1 12); do
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if docker exec taiga-l02-redis redis-cli ping 2>/dev/null | grep -q 'PONG'; then
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pass "External Redis healthy"
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break
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fi
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[[ $i -eq 12 ]] && fail "External Redis timed out after 60s"
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sleep 5
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done
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info "Waiting for Mailhog (taiga-l02-mail, up to 60s)..."
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for i in $(seq 1 12); do
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if curl -sf http://localhost:8710/api/v2/messages >/dev/null 2>&1; then
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pass "Mailhog API reachable"
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break
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fi
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[[ $i -eq 12 ]] && fail "Mailhog timed out after 60s"
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sleep 5
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done
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info "Waiting for Taiga backend API (taiga-l02-back, up to 180s)..."
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for i in $(seq 1 36); do
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http_code=$(curl -o /dev/null -sw '%{http_code}' http://localhost:8011/api/v1/ 2>/dev/null || echo "000")
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if [[ "${http_code}" =~ ^[234] ]]; then
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pass "Taiga backend API responding (HTTP ${http_code})"
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break
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fi
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[[ $i -eq 36 ]] && fail "Taiga backend timed out after 180s"
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sleep 5
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done
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info "Waiting for Taiga frontend (taiga-l02-front, up to 120s)..."
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for i in $(seq 1 24); do
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if curl -sf http://localhost:8410/ 2>/dev/null | grep -qi 'taiga\|doctype\|html'; then
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pass "Taiga frontend serving HTML"
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break
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fi
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[[ $i -eq 24 ]] && fail "Taiga frontend timed out after 120s"
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sleep 5
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done
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# ── PHASE 3: Functional Tests ─────────────────────────────────────────────────
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info "Phase 3: Functional Tests (Lab 15-02 — External Dependencies)"
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# Container states
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for svc in taiga-l02-db taiga-l02-redis taiga-l02-mail taiga-l02-back taiga-l02-front; do
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state=$(docker inspect --format='{{.State.Status}}' "${svc}" 2>/dev/null || echo "missing")
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if [[ "${state}" == "running" ]]; then
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pass "Container ${svc} is running"
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else
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fail "Container ${svc} state: ${state}"
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fi
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done
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# DB connectivity from back container
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if docker exec taiga-l02-back bash -c 'python -c "import psycopg2; psycopg2.connect(host=\"taiga-l02-db\",dbname=\"taiga\",user=\"taiga\",password=\"TaigaLab02!\"); print(\"ok\")"' 2>/dev/null | grep -q 'ok'; then
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pass "Backend can connect to external PostgreSQL"
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else
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fail "Container is not running"
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warn "psycopg2 direct test skipped (may not be installed separately); checking via pg_isready"
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if docker exec taiga-l02-db psql -U taiga -d taiga -c '\dt' 2>/dev/null | grep -qi 'row\|table\|schema'; then
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pass "PostgreSQL taiga database has schema tables"
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else
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warn "PostgreSQL schema check inconclusive (migrations may not have run yet)"
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fi
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fi
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# ── PHASE 3: Functional Tests ─────────────────────────────────────────────────
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info "Phase 3: Functional Tests (Lab 02 — External Dependencies)"
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# TODO: Add module-specific functional tests here
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# Example:
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# if curl -sf http://localhost:80/health > /dev/null 2>&1; then
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# pass "Health endpoint responds"
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# else
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# fail "Health endpoint not reachable"
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# fi
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warn "Functional tests for Lab 15-02 pending implementation"
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# ── PHASE 4: Cleanup ──────────────────────────────────────────────────────────
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info "Phase 4: Cleanup"
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docker compose -f "${COMPOSE_FILE}" down -v --remove-orphans
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info "Cleanup complete"
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# Redis connectivity from back container
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if docker exec taiga-l02-back bash -c 'python -c "import redis; r=redis.Redis(host=\"taiga-l02-redis\"); r.ping(); print(\"ok\")"' 2>/dev/null | grep -q 'ok'; then
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pass "Backend can connect to external Redis"
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else
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# Fallback: redis-cli from Redis container itself
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if docker exec taiga-l02-redis redis-cli ping 2>/dev/null | grep -q 'PONG'; then
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pass "External Redis is healthy (redis-cli ping)"
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else
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fail "External Redis not responding"
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fi
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fi
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139+
# Mailhog API format check
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mailhog_resp=$(curl -sf http://localhost:8710/api/v2/messages 2>/dev/null || echo "{}")
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if echo "${mailhog_resp}" | grep -q 'total\|items\|count'; then
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pass "Mailhog API returns valid JSON message list"
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else
144+
fail "Mailhog API response unexpected: ${mailhog_resp}"
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fi
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147+
# HTTP status checks
148+
for url_port in "8011/api/v1/" "8410/"; do
149+
port=$(echo "${url_port}" | cut -d/ -f1)
150+
path=$(echo "${url_port}" | cut -d/ -f2-)
151+
http_code=$(curl -o /dev/null -sw '%{http_code}' "http://localhost:${url_port}" 2>/dev/null || echo "000")
152+
if [[ "${http_code}" =~ ^[234] ]]; then
153+
pass "HTTP GET http://localhost:${url_port} -> ${http_code}"
154+
else
155+
fail "HTTP GET http://localhost:${url_port} -> ${http_code}"
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fi
157+
done
158+
159+
# Key env vars present in back container
160+
for var in POSTGRES_HOST TAIGA_SECRET_KEY TAIGA_REDIS_URL EMAIL_HOST; do
161+
if docker exec taiga-l02-back printenv "${var}" 2>/dev/null | grep -q '.'; then
162+
pass "Env var ${var} set in taiga-l02-back"
163+
else
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fail "Env var ${var} missing in taiga-l02-back"
165+
fi
166+
done
167+
168+
# Volume existence
169+
for vol in taiga-l02-db-data taiga-l02-static taiga-l02-media; do
170+
if docker volume ls --format '{{.Name}}' | grep -q "${vol}"; then
171+
pass "Volume ${vol} exists"
172+
else
173+
fail "Volume ${vol} missing"
174+
fi
175+
done
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# ── Results ───────────────────────────────────────────────────────────────────
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echo ""

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