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authorDavid Vazgenovich Shakaryan <dvshakaryan@gmail.com>2023-03-21 02:41:58 -0700
committerDavid Vazgenovich Shakaryan <dvshakaryan@gmail.com>2023-03-21 02:41:58 -0700
commitf2a41436c916b7763057e848b66a0158c6846ff5 (patch)
treee6c6e283ef28431b2d14056d48d3cca304cee3f9 /hetzner-ddns.sh
parent8b01502f680274b2dec1c7b62b30ca52babacb40 (diff)
downloadhetzner-ddns-f2a41436c916b7763057e848b66a0158c6846ff5.tar.gz
hetzner-ddns-f2a41436c916b7763057e848b66a0158c6846ff5.tar.xz
use encrypted token in systemd service
Diffstat (limited to 'hetzner-ddns.sh')
-rwxr-xr-xhetzner-ddns.sh9
1 files changed, 9 insertions, 0 deletions
diff --git a/hetzner-ddns.sh b/hetzner-ddns.sh
index 7ad8e28..5e6de74 100755
--- a/hetzner-ddns.sh
+++ b/hetzner-ddns.sh
@@ -3,6 +3,8 @@
# Copyright 2022 David Vazgenovich Shakaryan
#
# HETZNER_TOKEN=<token> hetzner-ddns.sh <domain>
+# HETZNER_TOKEN_FILE=/path/to/token hetzner-ddns.sh <domain>
+# systemctl enable --now "hetzner-ddns@$(systemd-escape <domain>).timer"
IP_RESOLVER='https://ifconfig.co'
TARGET="${1}"
@@ -20,6 +22,13 @@ hetzcurl() {
"${@:2}"
}
+if [[ -z "${HETZNER_TOKEN}" ]] && [[ -n "${HETZNER_TOKEN_FILE}" ]]; then
+ [[ -f "${HETZNER_TOKEN_FILE}" ]] || die 'Specified token file' \
+ "(${HETZNER_TOKEN_FILE}) does not exist"
+ HETZNER_TOKEN="$(<"${HETZNER_TOKEN_FILE}")"
+fi
+[[ -n "${HETZNER_TOKEN}" ]] || die 'Missing token'
+
ip="$(curl -sf4 "${IP_RESOLVER}")" || die 'IP lookup failed'
zone_re="${TARGET}"