duckdns

tools/duckdns/.env.example

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+DUCK_TOKEN=
+DUCK_DOMAINS=
+DUCK_IP=

tools/duckdns/.gitignore

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+.env

tools/duckdns/install.sh

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+#!/bin/bash
+
+# https://www.duckdns.org/install.jsp
+
+thisdir="$( dirname "$(readlink -e -- "${BASH_SOURCE[0]}")")"
+
+cp -f .env.example .env
+
+cat <<EOF | sudo tee /etc/cron.d/duckdns && crontab -u "$(whoami)" /etc/cron.d/duckdns
+# ------------- Minute (0 - 59)
+# | ----------- Hour (0 - 23)
+# | | --------- Day of month (1 - 31)
+# | | | ------- Month (1 - 12)
+# | | | | ----- Day of week (0 - 7) (Sunday=0 or 7)
+# | | | | |
+# * * * * * "command to be executed"
+
+# AAA обновление duckdns ip
+0 * * * * $thisdir/update.sh
+
+EOF
+

tools/duckdns/uninstall.sh

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+#!/bin/bash
+
+sudo rm -f /etc/cron.d/duckdns

tools/duckdns/update.sh

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+#!/bin/bash
+# shellcheck disable=SC1091
+
+[ ! -f .env ] && {
+    echo "ERROR: .env not exists"
+    exit 1
+}
+
+source .env
+
+[ -z "$DUCK_TOKEN" ] && {
+    echo "ERROR: env var DUCK_TOKEN not specified"
+    exit 1
+}
+
+[ -z "$DUCK_DOMAINS" ] && {
+    echo "ERROR: env var DUCK_DOMAINS not specified"
+    exit 1
+}
+
+curl -k "https://www.duckdns.org/update?domains=${DUCK_DOMAINS}&token=${DUCK_TOKEN}&ip=${DUCK_IP}"