generated from bisco/codex-bootstrap
bisco
38 lines
1.7 KiB
Bash
38 lines
1.7 KiB
Bash
#!/bin/sh
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set -eu
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domain="${LETSENCRYPT_DOMAIN:-azionelab.org}"
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email="${LETSENCRYPT_EMAIL:-}"
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staging="${LETSENCRYPT_STAGING:-1}"
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renew_interval="${LETSENCRYPT_RENEW_INTERVAL_SECONDS:-43200}"
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retry_interval="${LETSENCRYPT_RETRY_SECONDS:-300}"
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renewal_config="/etc/letsencrypt/renewal/${domain}.conf"
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case "$domain" in "" | *[!A-Za-z0-9.-]* | .* | *. | *..*) echo "Invalid LETSENCRYPT_DOMAIN." >&2; exit 1 ;; esac
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[ -n "$email" ] || { echo "LETSENCRYPT_EMAIL is required when Let's Encrypt is enabled." >&2; exit 1; }
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case "$staging" in 0 | 1) ;; *) echo "LETSENCRYPT_STAGING must be 0 or 1." >&2; exit 1 ;; esac
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case "$renew_interval:$retry_interval" in *[!0-9:]* | :* | *:) echo "Certbot intervals must be positive integers." >&2; exit 1 ;; esac
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[ "$renew_interval" -gt 0 ] && [ "$retry_interval" -gt 0 ] || { echo "Certbot intervals must be positive." >&2; exit 1; }
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staging_argument=""
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[ "$staging" = 0 ] || staging_argument="--staging"
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trap 'exit 0' TERM INT
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if [ "$staging" = 0 ] && [ -f "$renewal_config" ] && grep -qi 'acme-staging' "$renewal_config"; then
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echo "Removing existing Let's Encrypt staging certificate for ${domain} before requesting a production certificate."
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certbot delete --cert-name "$domain" --non-interactive
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fi
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while :; do
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if certbot certonly --webroot --webroot-path /var/www/certbot --preferred-challenges http \
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--cert-name "$domain" --domain "$domain" --email "$email" --agree-tos --non-interactive \
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--keep-until-expiring $staging_argument; then
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delay="$renew_interval"
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else
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echo "Certificate request failed; retrying after ${retry_interval}s." >&2
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delay="$retry_interval"
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fi
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sleep "$delay" &
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wait $! || true
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done
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