edgar.friendly
d1fec59dcb
Añade la automatización de despliegue a esta rama (no la tenía):
- .gitea/workflows/deploy.yml: build + deploy on push, teardown on delete.
- scripts/lib/env.sh + deploy.sh + teardown.sh: lib OOP (Env + SystemdUnit/
NginxVhost/TlsCert) y entrypoints finos.
El código de la app NO se modifica. Traído path-scoped desde master (6cc326e).
Cada push a prototipo-yb01 publicará la app en prototipo-yb01.localesp.es.
451 lines
13 KiB
Bash
451 lines
13 KiB
Bash
#!/usr/bin/env bash
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# lib/env.sh — Modelo OOP de entornos de previsualización por rama.
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#
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# Estrategia (entorno por rama):
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# /opt/localesp/<slug> + systemd unit localesp-<slug> + vhost nginx + cert Let's Encrypt.
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# Reutiliza el puerto de la unit existente (adopta entornos legacy) o asigna uno libre (>=8082).
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#
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# PRECONDICIÓN MANUAL: el registro A <slug>.localesp.es debe existir (se gestiona a mano).
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# Si no resuelve aún, la app queda servida por HTTP y se emite el cert cuando el DNS apunte aquí.
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#
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# Representación OOP en bash:
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# - Instancia = array asociativo global, referenciado por NOMBRE.
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# - Constructor = Class::new <nombre> <args> (declara el array y establece invariantes).
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# - Método = Class::method <nombre> <args>; accede al estado vía `local -n self="$1"`.
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# - Composición = Env posee los nombres de sus colaboradores (<env>__unit, __vhost, __cert).
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# - Servicios sin estado (Slug, Host, Port, Artifacts, Deps, Logger) = métodos estáticos.
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#
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# Requiere bash >= 4.3 (namerefs). Sin efectos al sourcear: sólo define funciones/constantes.
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#
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# CONTRATO (importante): el NOMBRE de instancia pasado a Env::new (p.ej. "env") es el
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# nombre de un array asociativo global. NUNCA declares en el caller una `local` con ese
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# mismo nombre: bash usa ámbito dinámico y la local sombrearía al array global, rompiendo
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# el nameref `local -n self=env`. Pasa el nombre como literal: Env::new env ...
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DOMAIN="localesp.es"
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PORT_BASE=8082 # 8080/8081 son entornos legacy
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LOGGER_TAG="env"
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# ---------------------------------------------------------------------------
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# Logger — servicio singleton (tag configurable según entrypoint).
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# ---------------------------------------------------------------------------
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Logger::set_tag() {
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LOGGER_TAG="$1"
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}
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Logger::info() {
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printf '\033[1;34m[%s]\033[0m %s\n' "$LOGGER_TAG" "$*"
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}
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Logger::error() {
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printf '\033[1;31m[%s:ERROR]\033[0m %s\n' "$LOGGER_TAG" "$*" >&2
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}
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# ---------------------------------------------------------------------------
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# Slug — value object estático: normaliza un nombre de rama a slug.
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# ---------------------------------------------------------------------------
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Slug::from() {
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local branch="$1"
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printf '%s' "$branch" | tr '[:upper:]' '[:lower:]' | sed -E 's/[^a-z0-9]+/-/g; s/^-+//; s/-+$//'
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}
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# ---------------------------------------------------------------------------
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# Host — servicio estático: IP pública y resolución DNS.
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# ---------------------------------------------------------------------------
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Host::public_ip() {
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curl -s4 --max-time 5 ifconfig.me || true
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}
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Host::resolved_ip() {
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local host="$1"
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getent hosts "$host" | awk '{print $1}' | head -1 || true
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}
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# ---------------------------------------------------------------------------
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# Port — servicio estático: asigna/reutiliza puerto para una unit+dest.
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# ---------------------------------------------------------------------------
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Port::acquire() {
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local unit="$1"
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local dest="$2"
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local unit_file="/etc/systemd/system/$unit.service"
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local used
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local port
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# Adopta entorno existente: reutiliza el puerto de la unit ya instalada.
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if [ -f "$unit_file" ]; then
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port="$(grep -oE 'PORT=[0-9]+' "$unit_file" | head -1 | cut -d= -f2 || true)"
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if [ -n "$port" ]; then
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echo "$port"
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return
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fi
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fi
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if [ -f "$dest/.port" ]; then
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cat "$dest/.port"
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return
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fi
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used="$( { grep -rhoE 'PORT=[0-9]+' /etc/systemd/system/localesp*.service 2>/dev/null | cut -d= -f2
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grep -rhoE 'localhost:[0-9]+' /etc/nginx/conf.d/*.conf 2>/dev/null | cut -d: -f2; } | sort -un)"
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port="$PORT_BASE"
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while printf '%s\n' "$used" | grep -qx "$port"; do
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port=$((port+1))
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done
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echo "$port"
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}
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# ---------------------------------------------------------------------------
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# Artifacts — servicio estático: artefactos buildados.
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# ---------------------------------------------------------------------------
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Artifacts::require_built() {
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local root="$1"
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if [ ! -d "$root/dist" ]; then
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Logger::error "falta dist/ — ¿se ejecutó el build?"
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exit 1
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fi
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}
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Artifacts::sync() {
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local root="$1"
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local dest="$2"
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mkdir -p "$dest/dist" "$dest/server"
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rsync -a --delete "$root/dist/" "$dest/dist/"
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rsync -a --delete "$root/server/" "$dest/server/"
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cp -a "$root/package.json" "$root/package-lock.json" "$dest/"
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# localesp.db se PRESERVA (datos de usuarios). No se toca aquí.
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}
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# ---------------------------------------------------------------------------
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# Deps — servicio estático: dependencias de producción.
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# ---------------------------------------------------------------------------
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Deps::install() {
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local root="$1"
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local dest="$2"
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# Reutiliza los node_modules ya compilados por el workflow (better-sqlite3 v12 exige
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# C++20, GCC 12). Copiar + npm prune evita recompilar en cada despliegue.
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# Fallback a npm ci --omit=dev si se ejecuta a mano sin build previo.
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if [ -d "$root/node_modules" ]; then
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mkdir -p "$dest/node_modules"
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rsync -a --delete "$root/node_modules/" "$dest/node_modules/"
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( cd "$dest" && npm prune --omit=dev --no-audit --no-fund )
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else
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( cd "$dest" && npm ci --omit=dev --no-audit --no-fund )
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fi
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}
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# ---------------------------------------------------------------------------
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# SystemdUnit — entidad: fichero .service de un entorno.
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# ---------------------------------------------------------------------------
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SystemdUnit::new() {
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local self="$1"
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local name="$2"
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local dest="$3"
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local branch="$4"
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local host="$5"
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local port="$6"
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declare -gA "$self"
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local -n u="$self"
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u[name]="$name"
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u[dest]="$dest"
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u[branch]="$branch"
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u[host]="$host"
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u[port]="$port"
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u[file]="/etc/systemd/system/${name}.service"
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}
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SystemdUnit::render() {
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local self="$1"
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local -n u="$self"
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cat <<EOF
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[Unit]
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Description=LocaleSP env rama '${u[branch]}' (${u[host]})
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After=network.target
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[Service]
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Type=simple
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User=root
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WorkingDirectory=${u[dest]}
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ExecStart=/usr/bin/node server/index.js
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Restart=on-failure
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RestartSec=5s
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Environment=NODE_ENV=production
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Environment=PORT=${u[port]}
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[Install]
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WantedBy=multi-user.target
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EOF
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}
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SystemdUnit::write() {
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local self="$1"
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local -n u="$self"
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Logger::info "escribiendo unit ${u[name]} (PORT=${u[port]})"
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SystemdUnit::render "$self" > "${u[file]}"
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echo "${u[port]}" > "${u[dest]}/.port"
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systemctl daemon-reload
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systemctl enable "${u[name]}" >/dev/null 2>&1 || true
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systemctl restart "${u[name]}"
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Logger::info "${u[name]} arrancada"
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}
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SystemdUnit::remove() {
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local self="$1"
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local -n u="$self"
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systemctl disable --now "${u[name]}" 2>/dev/null || true
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rm -f "${u[file]}"
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systemctl daemon-reload
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}
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# ---------------------------------------------------------------------------
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# NginxVhost — entidad: vhost nginx de un entorno.
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# ---------------------------------------------------------------------------
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NginxVhost::new() {
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local self="$1"
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local slug="$2"
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local host="$3"
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local port="$4"
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declare -gA "$self"
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local -n v="$self"
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v[slug]="$slug"
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v[host]="$host"
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v[port]="$port"
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}
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NginxVhost::find_path() {
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local self="$1"
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local -n v="$self"
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local host_re
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host_re="$(printf '%s' "${v[host]}" | sed 's/\./\\./g')"
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grep -rlE "server_name[[:space:]]+$host_re[[:space:]]*;" /etc/nginx/conf.d/*.conf 2>/dev/null | head -1 || true
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}
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NginxVhost::render() {
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local self="$1"
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local -n v="$self"
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cat <<EOF
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server {
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listen 80;
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listen [::]:80;
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server_name ${v[host]};
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location / {
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proxy_pass http://localhost:${v[port]};
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proxy_http_version 1.1;
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proxy_set_header Host \$host;
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proxy_set_header X-Real-IP \$remote_addr;
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proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
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proxy_set_header X-Forwarded-Proto \$scheme;
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}
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}
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EOF
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}
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NginxVhost::create() {
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local self="$1"
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local -n v="$self"
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local path="/etc/nginx/conf.d/${v[slug]}.conf"
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Logger::info "creando vhost HTTP $path"
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NginxVhost::render "$self" > "$path"
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}
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NginxVhost::repoint() {
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local self="$1"
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local -n v="$self"
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local path="$2"
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Logger::info "vhost existente: $path — forzando proxy_pass -> :${v[port]}"
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sed -i -E "s|proxy_pass http://localhost:[0-9]+;|proxy_pass http://localhost:${v[port]};|g" "$path"
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}
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NginxVhost::configure() {
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local self="$1"
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local existing
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existing="$(NginxVhost::find_path "$self")"
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if [ -z "$existing" ]; then
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NginxVhost::create "$self"
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else
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NginxVhost::repoint "$self" "$existing"
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fi
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nginx -t 2>&1 | tail -2
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systemctl reload nginx
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Logger::info "nginx recargado"
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}
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NginxVhost::remove() {
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local self="$1"
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local path
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path="$(NginxVhost::find_path "$self")"
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if [ -n "$path" ]; then
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Logger::info "borrando vhost $path"
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rm -f "$path"
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nginx -t && systemctl reload nginx
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fi
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}
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# ---------------------------------------------------------------------------
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# TlsCert — entidad: certificado Let's Encrypt de un entorno.
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# ---------------------------------------------------------------------------
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TlsCert::new() {
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local self="$1"
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local host="$2"
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declare -gA "$self"
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local -n c="$self"
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c[host]="$host"
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}
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TlsCert::exists() {
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local self="$1"
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local -n c="$self"
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[ -d "/etc/letsencrypt/live/${c[host]}" ]
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}
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TlsCert::ensure() {
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local self="$1"
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local -n c="$self"
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local host="${c[host]}"
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local pub_ip resolved
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if TlsCert::exists "$self"; then
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Logger::info "cert TLS ya presente para $host"
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return
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fi
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Logger::info "comprobando DNS de $host"
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pub_ip="$(Host::public_ip)"
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resolved="$(Host::resolved_ip "$host")"
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if [ -n "$pub_ip" ] && [ "$resolved" = "$pub_ip" ]; then
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Logger::info "emitiendo cert con certbot --nginx"
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if certbot --nginx -d "$host" -n --redirect --keep-until-expiring; then
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Logger::info "cert emitido ✓"
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else
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Logger::error "certbot falló; $host sigue en HTTP. Revisa y vuelve a lanzar el workflow."
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fi
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else
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Logger::error "DNS de $host -> '${resolved:-<sin resolver>}', esperado $pub_ip."
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Logger::error "Crea el registro A $host -> $pub_ip y, tras propagar, re-lanza el workflow"
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Logger::error "(o ejecuta: certbot --nginx -d $host). La app ya vive en http://$host"
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fi
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}
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TlsCert::delete() {
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local self="$1"
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local -n c="$self"
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local host="${c[host]}"
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if TlsCert::exists "$self"; then
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Logger::info "borrando cert $host"
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certbot delete --cert-name "$host" -n 2>/dev/null || true
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fi
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}
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TlsCert::protocol() {
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local self="$1"
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if TlsCert::exists "$self"; then
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echo "https"
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else
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echo "http"
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fi
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}
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# ---------------------------------------------------------------------------
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# Env — aggregate root: un entorno de rama. Compone SystemdUnit, NginxVhost, TlsCert.
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# ---------------------------------------------------------------------------
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Env::new() {
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local self="$1"
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local branch="$2"
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local root="$3"
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declare -gA "$self"
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local -n s="$self"
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s[branch]="$branch"
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s[root]="$root"
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s[slug]="$(Slug::from "$branch")"
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if [ -z "${s[slug]}" ]; then
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Logger::error "slug vacío para la rama '$branch'"
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exit 2
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fi
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s[host]="${s[slug]}.$DOMAIN"
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s[dest]="/opt/localesp/${s[slug]}"
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s[unit_name]="localesp-${s[slug]}"
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s[port]="$(Port::acquire "${s[unit_name]}" "${s[dest]}")"
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# Composición: crea los colaboradores y guarda sus nombres en el agregado.
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SystemdUnit::new "${self}__unit" "${s[unit_name]}" "${s[dest]}" "$branch" "${s[host]}" "${s[port]}"
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NginxVhost::new "${self}__vhost" "${s[slug]}" "${s[host]}" "${s[port]}"
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TlsCert::new "${self}__cert" "${s[host]}"
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}
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Env::deploy() {
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local self="$1"
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local -n s="$self"
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Artifacts::require_built "${s[root]}"
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Logger::info "sincronizando artefactos -> ${s[dest]}"
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Artifacts::sync "${s[root]}" "${s[dest]}"
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Logger::info "instalando dependencias (prod)"
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Deps::install "${s[root]}" "${s[dest]}"
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SystemdUnit::write "${self}__unit"
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Logger::info "configurando nginx para ${s[host]}"
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NginxVhost::configure "${self}__vhost"
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TlsCert::ensure "${self}__cert"
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}
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Env::teardown() {
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local self="$1"
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local -n s="$self"
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SystemdUnit::remove "${self}__unit"
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TlsCert::delete "${self}__cert"
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NginxVhost::remove "${self}__vhost"
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rm -rf "${s[dest]}"
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}
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Env::url() {
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local self="$1"
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local -n s="$self"
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local proto
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proto="$(TlsCert::protocol "${self}__cert")"
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echo "$proto://${s[host]}"
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}
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Env::banner() {
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local self="$1"
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local -n s="$self"
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echo "rama=${s[branch]} slug=${s[slug]} host=${s[host]} dest=${s[dest]} puerto=${s[port]}"
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}
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Env::identity() {
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local self="$1"
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local -n s="$self"
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echo "${s[host]} (${s[dest]}, ${s[unit_name]})"
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}
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Env::summary() {
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local self="$1"
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local -n s="$self"
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echo "rama=${s[branch]} unit=${s[unit_name]} puerto=${s[port]}"
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}
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