Unverified Commit c41fdd03 authored by Kroese's avatar Kroese Committed by GitHub
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Display network exit codes

Display network exit codes
parents e8be406f 6e5be710
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license.md

0 → 100644
+19 −0
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MIT License

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
+1 −1
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@@ -34,7 +34,7 @@ rm -rf "$TMP" && mkdir -p "$TMP"
LOC="$DL/release/7.0.1/42218/DSM_VirtualDSM_42218.pat"

{ curl -r 64493568-69886247 -sfk -o "$RD" "$LOC"; rc=$?; } || :
(( rc != 0 )) && echo "ERROR: Failed to download extractor, reason: $rc" && exit 60
(( rc != 0 )) && echo "ERROR: Failed to download $LOC, reason: $rc" && exit 60

SUM=$(md5sum "$RD" | cut -f 1 -d " ")

+33 −18
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@@ -25,8 +25,10 @@ configureDHCP() {
  NETWORK=$(ip -o route | grep "${VM_NET_DEV}" | grep -v default | awk '{print $1}')
  IP=$(ip address show dev "${VM_NET_DEV}" | grep inet | awk '/inet / { print $2 }' | cut -f1 -d/)

  if !  ip link add link "${VM_NET_DEV}" "${VM_NET_VLAN}" type macvlan mode bridge > /dev/null 2>&1 ; then
    echo -n "ERROR: Capability NET_ADMIN has not been set. Please add the "
  { ip link add link "${VM_NET_DEV}" "${VM_NET_VLAN}" type macvlan mode bridge > /dev/null 2>&1 ; rc=$?; } || :

  if (( rc != 0 )); then
    echo -n "ERROR: Capability NET_ADMIN has not been set ($rc/1). Please add the "
    echo "following docker setting to your container: --cap-add NET_ADMIN" && exit 15
  fi

@@ -41,15 +43,17 @@ configureDHCP() {

  echo "INFO: Acquiring an IP address via DHCP using MAC address ${VM_NET_MAC}..."

  if !  ip link add link "${VM_NET_DEV}" name "${VM_NET_TAP}" address "${VM_NET_MAC}" type macvtap mode bridge > /dev/null 2>&1 ; then
    echo -n "ERROR: Capability NET_ADMIN has not been set. Please add the "
  { ip link add link "${VM_NET_DEV}" name "${VM_NET_TAP}" address "${VM_NET_MAC}" type macvtap mode bridge > /dev/null 2>&1 ; rc=$?; } || :

  if (( rc != 0 )); then
    echo -n "ERROR: Capability NET_ADMIN has not been set ($rc/2). Please add the "
    echo "following docker setting to your container: --cap-add NET_ADMIN" && exit 16
  fi

  ip link set "${VM_NET_TAP}" up

  ip a flush "${VM_NET_DEV}"
  ip a flush "${VM_NET_TAP}"
  ip address flush "${VM_NET_DEV}"
  ip address flush "${VM_NET_TAP}"

  DHCP_IP=$(dhclient -v "${VM_NET_TAP}" 2>&1 | grep ^bound | cut -d' ' -f3)

@@ -74,13 +78,14 @@ configureDHCP() {
  [[ ! -e "${TAP_PATH}" ]] && [[ -e "/dev0/${TAP_PATH##*/}" ]] && ln -s "/dev0/${TAP_PATH##*/}" "${TAP_PATH}"

  if [[ ! -e "${TAP_PATH}" ]]; then
    if ! mknod "${TAP_PATH}" c "$MAJOR" "$MINOR" ; then
      echo "ERROR: Cannot mknod: ${TAP_PATH}" && exit 20
    fi
    { mknod "${TAP_PATH}" c "$MAJOR" "$MINOR" ; rc=$?; } || :
    (( rc != 0 )) && echo "ERROR: Cannot mknod: ${TAP_PATH} ($rc)" && exit 20
  fi

  if ! exec 30>>"$TAP_PATH"; then
    echo -n "ERROR: Cannot create TAP interface. Please add the following docker settings to your "
  { exec 30>>"$TAP_PATH"; rc=$?; } || :

  if (( rc != 0 )); then
    echo -n "ERROR: Cannot create TAP interface ($rc). Please add the following docker settings to your "
    echo "container: --device-cgroup-rule='c ${MAJOR}:* rwm' --device=/dev/vhost-net" && exit 21
  fi

@@ -90,8 +95,10 @@ configureDHCP() {
    chmod 660 /dev/vhost-net
  fi

  if ! exec 40>>/dev/vhost-net; then
    echo -n "ERROR: VHOST can not be found. Please add the following "
  { exec 40>>/dev/vhost-net; rc=$?; } || :

  if (( rc != 0 )); then
    echo -n "ERROR: VHOST can not be found ($rc). Please add the following "
    echo "docker setting to your container: --device=/dev/vhost-net" && exit 22
  fi

@@ -107,12 +114,14 @@ configureNAT () {

  #Create bridge with static IP for the VM guest

  if ! ip link add dev dockerbridge type bridge > /dev/null 2>&1 ; then
    echo -n "ERROR: Capability NET_ADMIN has not been set. Please add the "
  { ip link add dev dockerbridge type bridge > /dev/null 2>&1 ; rc=$?; } || :

  if (( rc != 0 )); then
    echo -n "ERROR: Capability NET_ADMIN has not been set ($rc/3). Please add the "
    echo "following docker setting to your container: --cap-add NET_ADMIN" && exit 23
  fi

  ip addr add ${VM_NET_IP%.*}.1/24 broadcast ${VM_NET_IP%.*}.255 dev dockerbridge
  ip address add ${VM_NET_IP%.*}.1/24 broadcast ${VM_NET_IP%.*}.255 dev dockerbridge
  ip link set dockerbridge up

  #QEMU Works with taps, set tap to the bridge created
@@ -130,8 +139,14 @@ configureNAT () {
    iptables -A POSTROUTING -t mangle -p udp --dport bootpc -j CHECKSUM --checksum-fill || true
  fi

  #Enable port forwarding flag
  [[ $(< /proc/sys/net/ipv4/ip_forward) -eq 0 ]] && sysctl -w net.ipv4.ip_forward=1
  #Check port forwarding flag
  if [[ $(< /proc/sys/net/ipv4/ip_forward) -eq 0 ]]; then
    { sysctl -w net.ipv4.ip_forward=1 > /dev/null 2>&1; rc=$?; } || :
    if (( rc != 0 )); then
      echo -n "ERROR: IP forwarding is disabled ($rc). Please add the following "
      echo "docker setting to your container: --sysctl net.ipv4.ip_forward=1" && exit 24
    fi
  fi

  # dnsmasq configuration:
  DNSMASQ_OPTS="$DNSMASQ_OPTS --dhcp-range=$VM_NET_IP,$VM_NET_IP --dhcp-host=$VM_NET_MAC,,$VM_NET_IP,$VM_NET_HOST,infinite --dhcp-option=option:netmask,255.255.255.0"