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feat: automatically fetch domain name if possible (#115)

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fryorcraken 2024-08-16 19:11:37 +10:00 committed by GitHub
parent 63ae316bb4
commit ef617ff0e1
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1 changed files with 28 additions and 0 deletions
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run_node.sh
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@ -16,6 +16,34 @@ fi
MY_EXT_IP=$(wget -qO- https://api4.ipify.org)
DNS_WSS_CMD=
if [ -z "${DOMAIN}" ]; then
echo "DOMAIN is unset, trying to guess it"
# Check if we have an IP
IPCHECK=$(echo "${MY_EXT_IP}" | grep -c '^[0-9]\+\.[0-9]\+\.[0-9]\+\.[0-9]\+$')
if [ "${IPCHECK}" -ne 1 ]; then
echo "Failed to get ip, received: '${MY_EXT_IP}'"
else
# TODO: Include this in nwaku docker image
apk update
apk add bind-tools
# Get reverse DNS
DNS=$(dig +short -x "${MY_EXT_IP}")
# Check if looks like a DNS
DNSCHECK=$(echo "${DNS}" | grep -c '^\([a-zA-Z0-9_\-]\+\.\)\+$')
if [ "${DNSCHECK}" -ne 1 ]; then
echo "Failed to get DNS, received: '${DNS}'"
else
DOMAIN=$(echo "${DNS}" | sed s/\.$//)
echo "DOMAIN deduced and set to ${DOMAIN}"
fi
fi
fi
if [ -n "${DOMAIN}" ]; then
LETSENCRYPT_PATH=/etc/letsencrypt/live/${DOMAIN}