feat: Country detection

* feat: Country detection

Dockerfile

@@ -14,6 +14,7 @@ ARG DEBIAN_FRONTEND noninteractive
 
 RUN apt-get update && apt-get -y upgrade && \
     apt-get --no-install-recommends -y install \
+        jq \
         tini \
         curl \
         cpio \

src/install.sh

@@ -21,17 +21,37 @@ fi
 # Display wait message
 /run/server.sh 5000 install &
 
-# Download the required files from the Synology website
+# Detect country
+COUNTRY=""
+{ JSON=$(curl -sfk https://ipinfo.io); rc=$?; } || :
+
+if (( rc == 0 )); then
+  { COUNTRY=$(echo "$JSON" | jq -r '.country' 2> /dev/null); rc=$?; } || :
+  (( rc != 0 )) || [[ "$COUNTRY" == "null" ]] && COUNTRY=""
+fi
+
+if [[ -z "$COUNTRY" ]]; then
+  { JSON=$(curl -sfk https://api.ipapi.is); rc=$?; } || :
+  if (( rc == 0 )); then
+    { COUNTRY=$(echo "$JSON" | jq -r '.location.country_code' 2> /dev/null); rc=$?; } || :
+    (( rc != 0 )) || [[ "$COUNTRY" == "null" ]] && COUNTRY=""
+  fi
+fi
+
+# Select download mirror based on country
+if [ "$COUNTRY" == "CN" ]; then
+  DL="https://cndl.synology.cn/download/DSM"
+else
   DL="https://global.synologydownload.com/download/DSM"
+fi
 
+# Select default version based on architecture
 if [ -z "$URL" ]; then
-
   if [ "$ARCH" == "amd64" ]; then
     URL="$DL/release/7.2.1/69057-1/DSM_VirtualDSM_69057.pat"
   else
     URL="$DL/release/7.0.1/42218/DSM_VirtualDSM_42218.pat"
   fi
-
 fi
 
 # Check if output is to interactive TTY
@@ -83,6 +103,8 @@ if [[ "$TMP" != "$STORAGE/tmp" ]]; then
   (( MIN_SPACE > SPACE )) && error "Not enough free space for installation in ${STORAGE}, have ${SPACE_GB} GB available but need at least 6 GB." && exit 94
 fi
 
+# Download the required files from the Synology website
+
 RDC="$STORAGE/dsm.rd"
 
 if [ ! -f "${RDC}" ]; then

src/network.sh

@@ -11,7 +11,6 @@ set -Eeuo pipefail
 : ${VM_NET_MAC:="$MAC"}
 : ${VM_NET_HOST:='VirtualDSM'}
 
-: ${DNS_SERVERS:=''}
 : ${DNSMASQ_OPTS:=''}
 : ${DNSMASQ:='/usr/sbin/dnsmasq'}
 : ${DNSMASQ_CONF_DIR:='/etc/dnsmasq.d'}
@@ -78,33 +77,8 @@ configureDNS () {
   echo "0 $VM_NET_MAC $VM_NET_IP $VM_NET_HOST 01:${VM_NET_MAC}" > /var/lib/misc/dnsmasq.leases
   chmod 644 /var/lib/misc/dnsmasq.leases
 
-  # Build DNS options from container /etc/resolv.conf
-
-  if [[ "${DEBUG}" == [Yy1]* ]]; then
-    echo "/etc/resolv.conf:" && echo && cat /etc/resolv.conf && echo
-  fi
-
-  mapfile -t nameservers < <( { grep '^nameserver' /etc/resolv.conf || true; } | sed 's/\t/ /g' | sed 's/nameserver //' | sed 's/ //g')
-  searchdomains=$( { grep '^search' /etc/resolv.conf || true; } | sed 's/\t/ /g' | sed 's/search //' | sed 's/#.*//' | sed 's/\s*$//g' | sed 's/ /,/g')
-  domainname=$(echo "$searchdomains" | awk -F"," '{print $1}')
-
-  for nameserver in "${nameservers[@]}"; do
-    nameserver=$(echo "$nameserver" | sed 's/#.*//' )
-    [[ "$nameserver" =~ .*:.* ]] && continue
-    [[ "$nameserver" == "127.0"* ]] && nameserver=$GATEWAY
-    [[ -z "$DNS_SERVERS" ]] && DNS_SERVERS="$nameserver" || DNS_SERVERS="$DNS_SERVERS,$nameserver"
-  done
-
-  [[ -z "$DNS_SERVERS" ]] && DNS_SERVERS=$GATEWAY
-
-  DNSMASQ_OPTS="$DNSMASQ_OPTS --dhcp-option=option:dns-server,$DNS_SERVERS --dhcp-option=option:router,${VM_NET_IP%.*}.1"
-
-  if [ -n "$searchdomains" ] && [ "$searchdomains" != "." ]; then
-    DNSMASQ_OPTS="$DNSMASQ_OPTS --dhcp-option=option:domain-search,$searchdomains --dhcp-option=option:domain-name,$domainname"
-  else
-    [[ -z $(hostname -d) ]] || DNSMASQ_OPTS="$DNSMASQ_OPTS --dhcp-option=option:domain-name,$(hostname -d)"
-  fi
-
+  # Set DNS server and gateway
+  DNSMASQ_OPTS="$DNSMASQ_OPTS --dhcp-option=option:dns-server,${VM_NET_IP%.*}.1 --dhcp-option=option:router,${VM_NET_IP%.*}.1"
   DNSMASQ_OPTS=$(echo "$DNSMASQ_OPTS" | sed 's/\t/ /g' | tr -s ' ' | sed 's/^ *//')
 
   [[ "${DEBUG}" == [Yy1]* ]] && set -x