Oier Bravo Urtasun
ab3d2c201b
Serve a static site at distribution.${BASE_DOMAIN} whose web root lives in
another repo (DISTRIBUTION_WEB_ROOT, bind-mounted read-only into caddy):
- caddy/conf.d/30-distribution.caddy file_server vhost
- docker-compose.distribution.yml mount snippet + external web root
- issue-letsencrypt.sh / .env.example add distribution to LE_SUBDOMAINS
- ulicraft-caddy.conf.tmpl TLS-front block proxying to caddy
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
102 lines
4.2 KiB
Bash
Executable File
102 lines
4.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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# issue-letsencrypt.sh — issue per-name Let's Encrypt certificates via the OVH
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# DNS-01 challenge (acme.sh) and install them where Caddy serves them.
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#
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# Run MANUALLY on the host. One separate certificate per name:
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# ${BASE_DOMAIN} + <sub>.${BASE_DOMAIN} for each sub in LE_SUBDOMAINS.
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# Certs land in certs/<name>/{cert.pem,key.pem} (gitignored) and the host nginx
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# is reloaded so it picks them up (see nginx/ulicraft.conf.tmpl).
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#
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# DNS-01 needs no inbound ports — works for a LAN-only host. It only needs OVH
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# API credentials with DNS-record write access for the zone.
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#
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# .env vars required:
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# BASE_DOMAIN e.g. ulicraft.net
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# LE_EMAIL account email for Let's Encrypt
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# OVH_AK OVH_AS OVH application key + secret
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# OVH_CK OVH consumer key (obtained on first run — see below)
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# OVH_END_POINT OVH API endpoint (e.g. ovh-eu)
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# optional:
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# LE_SUBDOMAINS space-separated (default: "auth pack distribution")
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# LE_STAGING=1 use the LE staging CA (untrusted, for dry runs)
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#
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# First-time OVH consumer key: set OVH_AK/OVH_AS/OVH_END_POINT, leave OVH_CK
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# empty, run this once — acme.sh prints an authorization URL. Visit it, grant
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# access, then copy the consumer key it shows into OVH_CK in .env and re-run.
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# (Or create a token directly: https://eu.api.ovh.com/createToken/ with
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# GET/POST/PUT/DELETE on /domain/zone/*.)
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set -euo pipefail
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cd "$(dirname "$0")/.." # repo root
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log() { printf '\n\033[1;32m==>\033[0m %s\n' "$*"; }
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warn() { printf '\033[1;33m!!\033[0m %s\n' "$*" >&2; }
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die() { printf '\033[1;31mxx\033[0m %s\n' "$*" >&2; exit 1; }
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# ---- config / preflight ----------------------------------------------------
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[ -f .env ] || die ".env not found (copy .env.example and fill it)"
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# shellcheck disable=SC1091
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set -a; . ./.env; set +a
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: "${BASE_DOMAIN:?BASE_DOMAIN unset in .env}"
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: "${LE_EMAIL:?LE_EMAIL unset in .env}"
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: "${OVH_AK:?OVH_AK unset in .env}"
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: "${OVH_AS:?OVH_AS unset in .env}"
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: "${OVH_END_POINT:?OVH_END_POINT unset in .env (e.g. ovh-eu)}"
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# OVH_CK may be empty on the very first run (acme.sh will print the auth URL).
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export OVH_AK OVH_AS OVH_END_POINT
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export OVH_CK="${OVH_CK:-}"
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ACME="${ACME_SH:-$HOME/.acme.sh/acme.sh}"
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[ -x "$ACME" ] || ACME="$(command -v acme.sh || true)"
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[ -n "$ACME" ] && [ -x "$ACME" ] || die "acme.sh not found. Install:
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curl https://get.acme.sh | sh -s email=${LE_EMAIL}
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then re-run (or set ACME_SH=/path/to/acme.sh)."
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CERT_DIR="${CERT_DIR:-certs}"
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read -r -a SUBDOMAINS <<< "${LE_SUBDOMAINS:-auth pack distribution}"
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if [ "${LE_STAGING:-0}" = "1" ]; then
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SERVER="letsencrypt_test"; warn "STAGING mode — certs will NOT be trusted by browsers"
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else
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SERVER="letsencrypt"
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fi
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# Reload the host nginx after each install so new certs take effect. Override
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# RELOAD_CMD if nginx runs elsewhere (e.g. a container or a non-systemd host).
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RELOAD="${RELOAD_CMD:-sudo systemctl reload nginx} || true"
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# Full name list: apex + each subdomain.
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domains=("$BASE_DOMAIN")
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for s in "${SUBDOMAINS[@]}"; do domains+=("${s}.${BASE_DOMAIN}"); done
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log "CA=$SERVER names: ${domains[*]}"
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# Register the ACME account once (idempotent).
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"$ACME" --register-account -m "$LE_EMAIL" --server "$SERVER" >/dev/null 2>&1 || true
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# ---- issue + install one cert per name --------------------------------------
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issued=0
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for d in "${domains[@]}"; do
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log "issuing $d (OVH DNS-01)"
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rc=0
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"$ACME" --issue --dns dns_ovh --server "$SERVER" --keylength ec-256 -d "$d" || rc=$?
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# acme.sh: 0 = issued/renewed, 2 = skipped (cert still valid, not due). Both ok.
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case "$rc" in
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0|2) ;;
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*) die "acme.sh failed for $d (rc=$rc). If this is the first OVH run, follow
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the consumer-key authorization URL printed above, set OVH_CK in .env, re-run." ;;
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esac
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mkdir -p "$CERT_DIR/$d"
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"$ACME" --install-cert -d "$d" --ecc \
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--key-file "$CERT_DIR/$d/key.pem" \
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--fullchain-file "$CERT_DIR/$d/cert.pem" \
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--reloadcmd "$RELOAD"
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echo " installed -> $CERT_DIR/$d/{cert.pem,key.pem}"
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issued=$((issued+1))
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done
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log "done — $issued certificate(s) under $CERT_DIR/"
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echo " serve them: point nginx at certs/<name>/ — see nginx/ulicraft.conf.tmpl"
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echo " renewals: acme.sh installs a cron; --reloadcmd reloads nginx automatically."
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