Unverified Commit c2fa58ef authored by Kroese's avatar Kroese Committed by GitHub
Browse files

feat: Fall back to slirp when passt fails (#1064)

parent ea49cb14

src/network.sh

+18 −32
Original line number Diff line number Diff line
@@ -185,14 +185,12 @@ configureDNS() { 


getHostPorts() {



  local list="${HOST_PORTS:-}"

  list=$(echo "${list// /}" | sed 's/,*$//g')

  list="${list//,,/,}"



  [ -z "$list" ] && list="$MON_PORT" || list+=",$MON_PORT"

  local list=""

  list+="$MON_PORT,"

  list+="${HOST_PORTS// /},"



  # Remove duplicates

  list=$(echo "$list," | awk 'BEGIN{RS=ORS=","} !seen[$0]++' | sed 's/,*$//g')

  list=$(echo "${list//,,/,}," | awk 'BEGIN{RS=ORS=","} !seen[$0]++' | sed 's/,*$//g')



  echo "$list"

  return 0
@@ -200,33 +198,25 @@ getHostPorts() { 


getUserPorts() {



  local list="${USER_PORTS:-}"

  list=$(echo "${list// /}" | sed 's/,*$//g')



  local ssh="22"

  local dsm="5000,5001"

  [ -z "$list" ] && list="$ssh,$dsm" || list+=",$ssh,$dsm"



  list="${list//,,/,}"

  list="${list//,/ }"

  list="${list## }"

  list="${list%% }"

  local list="$ssh,$dsm,"

  list+="${USER_PORTS// /},"



  local exclude

  exclude=$(getHostPorts)

  exclude="${exclude//,/ }"

  exclude="${exclude## }"

  exclude="${exclude%% }"



  local ports=""

  local userport=""

  local hostport=""



  for userport in $list; do

  for userport in ${list//,/ }; do



    local num="${userport///tcp}"

    num="${num///udp}"

    [ -z "$num" ] && continue



    for hostport in $exclude; do

    for hostport in ${exclude//,/ }; do



      local val="${hostport///tcp}"
@@ -237,14 +227,12 @@ getUserPorts() { 


    done



    if [ -n "$num" ]; then

      [ -z "$ports" ] && ports="$userport" || ports+=",$userport"

    fi

    [ -n "$num" ] && ports+="$userport,"



  done



  # Remove duplicates

  ports=$(echo "$ports," | awk 'BEGIN{RS=ORS=","} !seen[$0]++' | sed 's/,*$//g')

  ports=$(echo "${ports//,,/,}," | awk 'BEGIN{RS=ORS=","} !seen[$0]++' | sed 's/,*$//g')



  echo "$ports"

  return 0
@@ -256,14 +244,12 @@ getSlirp() { 
  local list=""



  list=$(getUserPorts)

  list="${list//,/ }"

  list="${list## }"

  list="${list%% }"



  for port in $list; do

  for port in ${list//,/ }; do



    local proto="tcp"

    local num="${port%/tcp}"

    [ -z "$num" ] && continue



    if [[ "$port" == *"/udp" ]]; then

      proto="udp"
@@ -305,7 +291,7 @@ configureSlirp() { 
  if [[ "${DNSMASQ_DISABLE:-}" == [Yy1]* ]]; then

    echo "$gateway" > /run/shm/qemu.gw

  else

    cp /etc/resolv.conf /etc/resolv.dnsmasq

    [ ! -f /etc/resolv.dnsmasq ] && cp /etc/resolv.conf /etc/resolv.dnsmasq

    configureDNS "lo" "$ip" "$VM_NET_MAC" "$VM_NET_HOST" "$VM_NET_MASK" "$gateway" || return 1

    echo -e "nameserver 127.0.0.1\nsearch .\noptions ndots:0" >/etc/resolv.conf

  fi
@@ -360,7 +346,7 @@ configurePasst() { 
  PASST_OPTS+=" -q"



  if [[ "${DNSMASQ_DISABLE:-}" != [Yy1]* ]]; then

    cp /etc/resolv.conf /etc/resolv.dnsmasq

    [ ! -f /etc/resolv.dnsmasq ] && cp /etc/resolv.conf /etc/resolv.dnsmasq

    echo -e "nameserver 127.0.0.1\nsearch .\noptions ndots:0" >/etc/resolv.conf

  fi
@@ -375,8 +361,8 @@ configurePasst() { 


    if (( rc != 0 )); then

      [ -f "$log" ] && cat "$log"

      error "Failed to start passt, reason: $rc"

      return 1

      warn "failed to start passt ($rc), falling back to slirp networking!"

      configureSlirp && return 0 || return 1

    fi



  fi