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web: fix parsing IPv6 reolver addresses

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Fixes: https://github.com/jitsi/docker-jitsi-meet/issues/1437
This commit is contained in:
Saúl Ibarra Corretgé 2022-11-15 10:18:31 +01:00
parent 53b2654556
commit b212dca060
1 changed files with 19 additions and 1 deletions
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20
web/rootfs/etc/cont-init.d/10-config
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@ -65,7 +65,25 @@ fi
# Detect nameserver for Nginx, if not specified.
if [[ -z "$NGINX_RESOLVER" ]]; then
export NGINX_RESOLVER=$(grep nameserver /etc/resolv.conf | cut -d" " -f2 | tr "\n" " " | sed -e "s/[[:space:]]*$//")
IP_LIST=""
# Parse IPs in /etc/resolv.conf, taking into account IPv6 addresses need to be
# enclosed in square brackets for the Nginx config file.
while read -r line; do
if [[ $line =~ ^nameserver.* ]]; then
IP=$(echo $line | cut -d" " -f2)
COLONS=$(echo $IP | tr -dc ":" | awk '{ print length '})
if [[ $COLONS -ge 2 ]]; then
IP="[$IP]"
fi
if [[ ! "$IP_LIST" = "" ]]; then
IP_LIST+=" "
fi
IP_LIST+="$IP"
fi
done < <(cat /etc/resolv.conf)
export NGINX_RESOLVER=$IP_LIST
fi
echo "Using Nginx resolver: =$NGINX_RESOLVER="