<p>laforge has uploaded this change for <strong>review</strong>.</p><p><a href="https://gerrit.osmocom.org/c/docker-playground/+/21411">View Change</a></p><pre style="font-family: monospace,monospace; white-space: pre-wrap;">osmo-gbproxy-master (derived from osmo-sgsn-master)<br><br>Using a separate container will allow us to do gbproxy specific things<br>like waiting for physical net-devices to show up in the docker netns<br>before actually starting the osmo-gbproxy executable<br><br>Change-Id: I5e6351055ac9430f13e43291cf2a9d52683fe6bf<br>---<br>A osmo-gbproxy-master/Dockerfile<br>A osmo-gbproxy-master/Makefile<br>A osmo-gbproxy-master/docker-entrypoint.sh<br>A osmo-gbproxy-master/osmo-gbproxy.cfg<br>A osmo-gbproxy-master/pipework<br>5 files changed, 542 insertions(+), 0 deletions(-)<br><br></pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;">git pull ssh://gerrit.osmocom.org:29418/docker-playground refs/changes/11/21411/1</pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;"><span>diff --git a/osmo-gbproxy-master/Dockerfile b/osmo-gbproxy-master/Dockerfile</span><br><span>new file mode 100644</span><br><span>index 0000000..8661ec9</span><br><span>--- /dev/null</span><br><span>+++ b/osmo-gbproxy-master/Dockerfile</span><br><span>@@ -0,0 +1,15 @@</span><br><span style="color: hsl(120, 100%, 40%);">+ARG USER</span><br><span style="color: hsl(120, 100%, 40%);">+ARG DISTRO</span><br><span style="color: hsl(120, 100%, 40%);">+FROM $USER/osmo-sgsn-master</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+COPY osmo-gbproxy.cfg /data/osmo-gbproxy.cfg</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+# work-around for stupid docker not being able to properly deal with host netdevices or start</span><br><span style="color: hsl(120, 100%, 40%);">+# containers in pre-existing netns</span><br><span style="color: hsl(120, 100%, 40%);">+COPY pipework /usr/bin/pipework</span><br><span style="color: hsl(120, 100%, 40%);">+COPY docker-entrypoint.sh /docker-entrypoint.sh</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+WORKDIR /data</span><br><span style="color: hsl(120, 100%, 40%);">+CMD ["/docker-entrypoint.sh"]</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+EXPOSE 23000/udp 4246/tcp 4263/tcp</span><br><span>diff --git a/osmo-gbproxy-master/Makefile b/osmo-gbproxy-master/Makefile</span><br><span>new file mode 100644</span><br><span>index 0000000..1614f9a</span><br><span>--- /dev/null</span><br><span>+++ b/osmo-gbproxy-master/Makefile</span><br><span>@@ -0,0 +1,3 @@</span><br><span style="color: hsl(120, 100%, 40%);">+RUN_ARGS?=--rm --network sigtran --ip 172.18.0.21 -v gbproxy-vol:/data</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+include ../make/Makefile</span><br><span>diff --git a/osmo-gbproxy-master/docker-entrypoint.sh b/osmo-gbproxy-master/docker-entrypoint.sh</span><br><span>new file mode 100755</span><br><span>index 0000000..72c4e8c</span><br><span>--- /dev/null</span><br><span>+++ b/osmo-gbproxy-master/docker-entrypoint.sh</span><br><span>@@ -0,0 +1,9 @@</span><br><span style="color: hsl(120, 100%, 40%);">+#!/bin/bash</span><br><span style="color: hsl(120, 100%, 40%);">+set -e</span><br><span style="color: hsl(120, 100%, 40%);">+set -x</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+if [[ -n ${WAIT_FOR_NETDEV:-} ]]; then</span><br><span style="color: hsl(120, 100%, 40%);">+ /usr/bin/pipework --wait -i ${WAIT_FOR_NETDEV}</span><br><span style="color: hsl(120, 100%, 40%);">+fi</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+/usr/local/bin/osmo-gbproxy -c /data/osmo-gbproxy.cfg >/data/osmo-gbproxy.log 2>&1</span><br><span>diff --git a/osmo-gbproxy-master/osmo-gbproxy.cfg b/osmo-gbproxy-master/osmo-gbproxy.cfg</span><br><span>new file mode 100644</span><br><span>index 0000000..29f698f</span><br><span>--- /dev/null</span><br><span>+++ b/osmo-gbproxy-master/osmo-gbproxy.cfg</span><br><span>@@ -0,0 +1,26 @@</span><br><span style="color: hsl(120, 100%, 40%);">+!</span><br><span style="color: hsl(120, 100%, 40%);">+! Osmocom Gb Proxy (0.9.0.404-6463) configuration saved from vty</span><br><span style="color: hsl(120, 100%, 40%);">+!!</span><br><span style="color: hsl(120, 100%, 40%);">+!</span><br><span style="color: hsl(120, 100%, 40%);">+line vty</span><br><span style="color: hsl(120, 100%, 40%);">+ no login</span><br><span style="color: hsl(120, 100%, 40%);">+!</span><br><span style="color: hsl(120, 100%, 40%);">+gbproxy</span><br><span style="color: hsl(120, 100%, 40%);">+ sgsn nsei 101</span><br><span style="color: hsl(120, 100%, 40%);">+ns</span><br><span style="color: hsl(120, 100%, 40%);">+ nse 101 nsvci 101</span><br><span style="color: hsl(120, 100%, 40%);">+ nse 101 remote-role sgsn</span><br><span style="color: hsl(120, 100%, 40%);">+ nse 101 encapsulation udp</span><br><span style="color: hsl(120, 100%, 40%);">+ nse 101 remote-ip 192.168.100.239</span><br><span style="color: hsl(120, 100%, 40%);">+ nse 101 remote-port 7777</span><br><span style="color: hsl(120, 100%, 40%);">+ timer tns-block 3</span><br><span style="color: hsl(120, 100%, 40%);">+ timer tns-block-retries 3</span><br><span style="color: hsl(120, 100%, 40%);">+ timer tns-reset 3</span><br><span style="color: hsl(120, 100%, 40%);">+ timer tns-reset-retries 3</span><br><span style="color: hsl(120, 100%, 40%);">+ timer tns-test 30</span><br><span style="color: hsl(120, 100%, 40%);">+ timer tns-alive 3</span><br><span style="color: hsl(120, 100%, 40%);">+ timer tns-alive-retries 10</span><br><span style="color: hsl(120, 100%, 40%);">+ encapsulation framerelay-gre enabled 0</span><br><span style="color: hsl(120, 100%, 40%);">+ encapsulation framerelay-gre local-ip 0.0.0.0</span><br><span style="color: hsl(120, 100%, 40%);">+ encapsulation udp local-ip 127.0.0.100</span><br><span style="color: hsl(120, 100%, 40%);">+ encapsulation udp local-port 23000</span><br><span>diff --git a/osmo-gbproxy-master/pipework b/osmo-gbproxy-master/pipework</span><br><span>new file mode 100755</span><br><span>index 0000000..97ce66b</span><br><span>--- /dev/null</span><br><span>+++ b/osmo-gbproxy-master/pipework</span><br><span>@@ -0,0 +1,489 @@</span><br><span style="color: hsl(120, 100%, 40%);">+#!/bin/sh</span><br><span style="color: hsl(120, 100%, 40%);">+# This code should (try to) follow Google's Shell Style Guide</span><br><span style="color: hsl(120, 100%, 40%);">+# (https://google.github.io/styleguide/shell.xml)</span><br><span style="color: hsl(120, 100%, 40%);">+set -e</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+case "$1" in</span><br><span style="color: hsl(120, 100%, 40%);">+ --wait)</span><br><span style="color: hsl(120, 100%, 40%);">+ WAIT=1</span><br><span style="color: hsl(120, 100%, 40%);">+ ;;</span><br><span style="color: hsl(120, 100%, 40%);">+ --direct-phys)</span><br><span style="color: hsl(120, 100%, 40%);">+ DIRECT_PHYS=1</span><br><span style="color: hsl(120, 100%, 40%);">+ shift</span><br><span style="color: hsl(120, 100%, 40%);">+ ;;</span><br><span style="color: hsl(120, 100%, 40%);">+esac</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+IFNAME=$1</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+# default value set further down if not set here</span><br><span style="color: hsl(120, 100%, 40%);">+CONTAINER_IFNAME=</span><br><span style="color: hsl(120, 100%, 40%);">+if [ "$2" = "-i" ]; then</span><br><span style="color: hsl(120, 100%, 40%);">+ CONTAINER_IFNAME=$3</span><br><span style="color: hsl(120, 100%, 40%);">+ shift 2</span><br><span style="color: hsl(120, 100%, 40%);">+fi</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+if [ "$2" = "-l" ]; then</span><br><span style="color: hsl(120, 100%, 40%);">+ LOCAL_IFNAME=$3</span><br><span style="color: hsl(120, 100%, 40%);">+ shift 2</span><br><span style="color: hsl(120, 100%, 40%);">+fi</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+#inet or inet6</span><br><span style="color: hsl(120, 100%, 40%);">+FAMILY_FLAG="-4"</span><br><span style="color: hsl(120, 100%, 40%);">+if [ "$2" = "-a" ]; then</span><br><span style="color: hsl(120, 100%, 40%);">+ FAMILY_FLAG="-$3"</span><br><span style="color: hsl(120, 100%, 40%);">+ shift 2</span><br><span style="color: hsl(120, 100%, 40%);">+fi</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+GUESTNAME=$2</span><br><span style="color: hsl(120, 100%, 40%);">+IPADDR=$3</span><br><span style="color: hsl(120, 100%, 40%);">+MACADDR=$4</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+case "$MACADDR" in</span><br><span style="color: hsl(120, 100%, 40%);">+ *@*)</span><br><span style="color: hsl(120, 100%, 40%);">+ VLAN="${MACADDR#*@}"</span><br><span style="color: hsl(120, 100%, 40%);">+ VLAN="${VLAN%%@*}"</span><br><span style="color: hsl(120, 100%, 40%);">+ MACADDR="${MACADDR%%@*}"</span><br><span style="color: hsl(120, 100%, 40%);">+ ;;</span><br><span style="color: hsl(120, 100%, 40%);">+ *)</span><br><span style="color: hsl(120, 100%, 40%);">+ VLAN=</span><br><span style="color: hsl(120, 100%, 40%);">+ ;;</span><br><span style="color: hsl(120, 100%, 40%);">+esac</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+# did they ask to generate a custom MACADDR?</span><br><span style="color: hsl(120, 100%, 40%);">+# generate the unique string</span><br><span style="color: hsl(120, 100%, 40%);">+case "$MACADDR" in</span><br><span style="color: hsl(120, 100%, 40%);">+ U:*)</span><br><span style="color: hsl(120, 100%, 40%);">+ macunique="${MACADDR#*:}"</span><br><span style="color: hsl(120, 100%, 40%);">+ # now generate a 48-bit hash string from $macunique</span><br><span style="color: hsl(120, 100%, 40%);">+ MACADDR=$(echo $macunique|md5sum|sed 's/^\(..\)\(..\)\(..\)\(..\)\(..\).*$/02:\1:\2:\3:\4:\5/')</span><br><span style="color: hsl(120, 100%, 40%);">+ ;;</span><br><span style="color: hsl(120, 100%, 40%);">+esac</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+[ "$IPADDR" ] || [ "$WAIT" ] || {</span><br><span style="color: hsl(120, 100%, 40%);">+ echo "Syntax:"</span><br><span style="color: hsl(120, 100%, 40%);">+ echo "pipework <hostinterface> [-i containerinterface] [-l localinterfacename] [-a addressfamily] <guest> <ipaddr>/<subnet>[@default_gateway] [macaddr][@vlan]"</span><br><span style="color: hsl(120, 100%, 40%);">+ echo "pipework <hostinterface> [-i containerinterface] [-l localinterfacename] <guest> dhcp [macaddr][@vlan]"</span><br><span style="color: hsl(120, 100%, 40%);">+ echo "pipework mac:<hostinterface_macaddress> [-i containerinterface] [-l localinterfacename] [-a addressfamily] <guest> <ipaddr>/<subnet>[@default_gateway] [macaddr][@vlan]"</span><br><span style="color: hsl(120, 100%, 40%);">+ echo "pipework mac:<hostinterface_macaddress> [-i containerinterface] [-l localinterfacename] <guest> dhcp [macaddr][@vlan]"</span><br><span style="color: hsl(120, 100%, 40%);">+ echo "pipework route <guest> <route_command>"</span><br><span style="color: hsl(120, 100%, 40%);">+ echo "pipework rule <guest> <rule_command>"</span><br><span style="color: hsl(120, 100%, 40%);">+ echo "pipework tc <guest> <tc_command>"</span><br><span style="color: hsl(120, 100%, 40%);">+ echo "pipework --wait [-i containerinterface]"</span><br><span style="color: hsl(120, 100%, 40%);">+ exit 1</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+# Succeed if the given utility is installed. Fail otherwise.</span><br><span style="color: hsl(120, 100%, 40%);">+# For explanations about `which` vs `type` vs `command`, see:</span><br><span style="color: hsl(120, 100%, 40%);">+# http://stackoverflow.com/questions/592620/check-if-a-program-exists-from-a-bash-script/677212#677212</span><br><span style="color: hsl(120, 100%, 40%);">+# (Thanks to @chenhanxiao for pointing this out!)</span><br><span style="color: hsl(120, 100%, 40%);">+installed () {</span><br><span style="color: hsl(120, 100%, 40%);">+ command -v "$1" >/dev/null 2>&1</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+# Google Styleguide says error messages should go to standard error.</span><br><span style="color: hsl(120, 100%, 40%);">+warn () {</span><br><span style="color: hsl(120, 100%, 40%);">+ echo "$@" >&2</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+die () {</span><br><span style="color: hsl(120, 100%, 40%);">+ status="$1"</span><br><span style="color: hsl(120, 100%, 40%);">+ shift</span><br><span style="color: hsl(120, 100%, 40%);">+ warn "$@"</span><br><span style="color: hsl(120, 100%, 40%);">+ exit "$status"</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+if echo $IFNAME | grep -q '^mac:'; then</span><br><span style="color: hsl(120, 100%, 40%);">+ mac_address=$(echo $IFNAME | cut -c5-)</span><br><span style="color: hsl(120, 100%, 40%);">+ ifmatch=</span><br><span style="color: hsl(120, 100%, 40%);">+ for iftest in /sys/class/net/*; do</span><br><span style="color: hsl(120, 100%, 40%);">+ if [ -f $iftest/address ] && [ "$mac_address" = "$(cat $iftest/address)" ]; then</span><br><span style="color: hsl(120, 100%, 40%);">+ ifmatch="$(basename $iftest)"</span><br><span style="color: hsl(120, 100%, 40%);">+ break</span><br><span style="color: hsl(120, 100%, 40%);">+ fi</span><br><span style="color: hsl(120, 100%, 40%);">+ done</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ if [ -z "$ifmatch" ]; then</span><br><span style="color: hsl(120, 100%, 40%);">+ die 1 "Mac address $mac_address specified for interface but no host interface matched."</span><br><span style="color: hsl(120, 100%, 40%);">+ else</span><br><span style="color: hsl(120, 100%, 40%);">+ IFNAME=$ifmatch</span><br><span style="color: hsl(120, 100%, 40%);">+ fi</span><br><span style="color: hsl(120, 100%, 40%);">+fi</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+# First step: determine type of first argument (bridge, physical interface...),</span><br><span style="color: hsl(120, 100%, 40%);">+# Unless "--wait" is set (then skip the whole section)</span><br><span style="color: hsl(120, 100%, 40%);">+if [ -z "$WAIT" ]; then</span><br><span style="color: hsl(120, 100%, 40%);">+ if [ -d "/sys/class/net/$IFNAME" ]</span><br><span style="color: hsl(120, 100%, 40%);">+ then</span><br><span style="color: hsl(120, 100%, 40%);">+ if [ -d "/sys/class/net/$IFNAME/bridge" ]; then</span><br><span style="color: hsl(120, 100%, 40%);">+ IFTYPE=bridge</span><br><span style="color: hsl(120, 100%, 40%);">+ BRTYPE=linux</span><br><span style="color: hsl(120, 100%, 40%);">+ elif installed ovs-vsctl && ovs-vsctl list-br|grep -q "^${IFNAME}$"; then</span><br><span style="color: hsl(120, 100%, 40%);">+ IFTYPE=bridge</span><br><span style="color: hsl(120, 100%, 40%);">+ BRTYPE=openvswitch</span><br><span style="color: hsl(120, 100%, 40%);">+ elif [ "$(cat "/sys/class/net/$IFNAME/type")" -eq 32 ]; then # InfiniBand IPoIB interface type 32</span><br><span style="color: hsl(120, 100%, 40%);">+ IFTYPE=ipoib</span><br><span style="color: hsl(120, 100%, 40%);">+ # The IPoIB kernel module is fussy, set device name to ib0 if not overridden</span><br><span style="color: hsl(120, 100%, 40%);">+ CONTAINER_IFNAME=${CONTAINER_IFNAME:-ib0}</span><br><span style="color: hsl(120, 100%, 40%);">+ PKEY=$VLAN</span><br><span style="color: hsl(120, 100%, 40%);">+ else IFTYPE=phys</span><br><span style="color: hsl(120, 100%, 40%);">+ fi</span><br><span style="color: hsl(120, 100%, 40%);">+ else</span><br><span style="color: hsl(120, 100%, 40%);">+ case "$IFNAME" in</span><br><span style="color: hsl(120, 100%, 40%);">+ br*)</span><br><span style="color: hsl(120, 100%, 40%);">+ IFTYPE=bridge</span><br><span style="color: hsl(120, 100%, 40%);">+ BRTYPE=linux</span><br><span style="color: hsl(120, 100%, 40%);">+ ;;</span><br><span style="color: hsl(120, 100%, 40%);">+ ovs*)</span><br><span style="color: hsl(120, 100%, 40%);">+ if ! installed ovs-vsctl; then</span><br><span style="color: hsl(120, 100%, 40%);">+ die 1 "Need OVS installed on the system to create an ovs bridge"</span><br><span style="color: hsl(120, 100%, 40%);">+ fi</span><br><span style="color: hsl(120, 100%, 40%);">+ IFTYPE=bridge</span><br><span style="color: hsl(120, 100%, 40%);">+ BRTYPE=openvswitch</span><br><span style="color: hsl(120, 100%, 40%);">+ ;;</span><br><span style="color: hsl(120, 100%, 40%);">+ route*)</span><br><span style="color: hsl(120, 100%, 40%);">+ IFTYPE=route</span><br><span style="color: hsl(120, 100%, 40%);">+ ;;</span><br><span style="color: hsl(120, 100%, 40%);">+ rule*)</span><br><span style="color: hsl(120, 100%, 40%);">+ IFTYPE=rule</span><br><span style="color: hsl(120, 100%, 40%);">+ ;;</span><br><span style="color: hsl(120, 100%, 40%);">+ tc*)</span><br><span style="color: hsl(120, 100%, 40%);">+ IFTYPE=tc</span><br><span style="color: hsl(120, 100%, 40%);">+ ;;</span><br><span style="color: hsl(120, 100%, 40%);">+ dummy*)</span><br><span style="color: hsl(120, 100%, 40%);">+ IFTYPE=dummy</span><br><span style="color: hsl(120, 100%, 40%);">+ ;;</span><br><span style="color: hsl(120, 100%, 40%);">+ *) die 1 "I do not know how to setup interface $IFNAME." ;;</span><br><span style="color: hsl(120, 100%, 40%);">+ esac</span><br><span style="color: hsl(120, 100%, 40%);">+ fi</span><br><span style="color: hsl(120, 100%, 40%);">+fi</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+# Set the default container interface name to eth1 if not already set</span><br><span style="color: hsl(120, 100%, 40%);">+CONTAINER_IFNAME=${CONTAINER_IFNAME:-eth1}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+[ "$WAIT" ] && {</span><br><span style="color: hsl(120, 100%, 40%);">+ while true; do</span><br><span style="color: hsl(120, 100%, 40%);">+ # This first method works even without `ip` or `ifconfig` installed,</span><br><span style="color: hsl(120, 100%, 40%);">+ # but doesn't work on older kernels (e.g. CentOS 6.X). See #128.</span><br><span style="color: hsl(120, 100%, 40%);">+ grep -q '^1$' "/sys/class/net/$CONTAINER_IFNAME/carrier" && break</span><br><span style="color: hsl(120, 100%, 40%);">+ # This method hopefully works on those older kernels.</span><br><span style="color: hsl(120, 100%, 40%);">+ ip link ls dev "$CONTAINER_IFNAME" && break</span><br><span style="color: hsl(120, 100%, 40%);">+ sleep 1</span><br><span style="color: hsl(120, 100%, 40%);">+ done > /dev/null 2>&1</span><br><span style="color: hsl(120, 100%, 40%);">+ exit 0</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+[ "$IFTYPE" = bridge ] && [ "$BRTYPE" = linux ] && [ "$VLAN" ] && {</span><br><span style="color: hsl(120, 100%, 40%);">+ die 1 "VLAN configuration currently unsupported for Linux bridge."</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+[ "$IFTYPE" = ipoib ] && [ "$MACADDR" ] && {</span><br><span style="color: hsl(120, 100%, 40%);">+ die 1 "MACADDR configuration unsupported for IPoIB interfaces."</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+# Second step: find the guest (for now, we only support LXC containers)</span><br><span style="color: hsl(120, 100%, 40%);">+while read _ mnt fstype options _; do</span><br><span style="color: hsl(120, 100%, 40%);">+ [ "$fstype" != "cgroup" ] && continue</span><br><span style="color: hsl(120, 100%, 40%);">+ echo "$options" | grep -qw devices || continue</span><br><span style="color: hsl(120, 100%, 40%);">+ CGROUPMNT=$mnt</span><br><span style="color: hsl(120, 100%, 40%);">+done < /proc/mounts</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+[ "$CGROUPMNT" ] || {</span><br><span style="color: hsl(120, 100%, 40%);">+ die 1 "Could not locate cgroup mount point."</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+# Try to find a cgroup matching exactly the provided name.</span><br><span style="color: hsl(120, 100%, 40%);">+M=$(find "$CGROUPMNT" -name "$GUESTNAME")</span><br><span style="color: hsl(120, 100%, 40%);">+N=$(echo "$M" | wc -l)</span><br><span style="color: hsl(120, 100%, 40%);">+if [ -z "$M" ] ; then</span><br><span style="color: hsl(120, 100%, 40%);">+ N=0</span><br><span style="color: hsl(120, 100%, 40%);">+fi</span><br><span style="color: hsl(120, 100%, 40%);">+case "$N" in</span><br><span style="color: hsl(120, 100%, 40%);">+ 0)</span><br><span style="color: hsl(120, 100%, 40%);">+ # If we didn't find anything, try to lookup the container with Docker.</span><br><span style="color: hsl(120, 100%, 40%);">+ if installed docker; then</span><br><span style="color: hsl(120, 100%, 40%);">+ RETRIES=3</span><br><span style="color: hsl(120, 100%, 40%);">+ while [ "$RETRIES" -gt 0 ]; do</span><br><span style="color: hsl(120, 100%, 40%);">+ DOCKERPID=$(docker inspect --format='{{ .State.Pid }}' "$GUESTNAME")</span><br><span style="color: hsl(120, 100%, 40%);">+ DOCKERCID=$(docker inspect --format='{{ .ID }}' "$GUESTNAME")</span><br><span style="color: hsl(120, 100%, 40%);">+ DOCKERCNAME=$(docker inspect --format='{{ .Name }}' "$GUESTNAME")</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ [ "$DOCKERPID" != 0 ] && break</span><br><span style="color: hsl(120, 100%, 40%);">+ sleep 1</span><br><span style="color: hsl(120, 100%, 40%);">+ RETRIES=$((RETRIES - 1))</span><br><span style="color: hsl(120, 100%, 40%);">+ done</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ [ "$DOCKERPID" = 0 ] && {</span><br><span style="color: hsl(120, 100%, 40%);">+ die 1 "Docker inspect returned invalid PID 0"</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ [ "$DOCKERPID" = "<no value>" ] && {</span><br><span style="color: hsl(120, 100%, 40%);">+ die 1 "Container $GUESTNAME not found, and unknown to Docker."</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ else</span><br><span style="color: hsl(120, 100%, 40%);">+ die 1 "Container $GUESTNAME not found, and Docker not installed."</span><br><span style="color: hsl(120, 100%, 40%);">+ fi</span><br><span style="color: hsl(120, 100%, 40%);">+ ;;</span><br><span style="color: hsl(120, 100%, 40%);">+ 1) true ;;</span><br><span style="color: hsl(120, 100%, 40%);">+ 2) # LXC >=3.1.0 returns two entries from the cgroups mount instead of one.</span><br><span style="color: hsl(120, 100%, 40%);">+ echo "$M" | grep -q "lxc\.monitor" || die 1 "Found more than one container matching $GUESTNAME."</span><br><span style="color: hsl(120, 100%, 40%);">+ ;;</span><br><span style="color: hsl(120, 100%, 40%);">+ *) die 1 "Found more than one container matching $GUESTNAME." ;;</span><br><span style="color: hsl(120, 100%, 40%);">+esac</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+# only check IPADDR if we are not in a route mode</span><br><span style="color: hsl(120, 100%, 40%);">+[ "$IFTYPE" != route ] && [ "$IFTYPE" != rule ] && [ "$IFTYPE" != tc ] && {</span><br><span style="color: hsl(120, 100%, 40%);">+ case "$IPADDR" in</span><br><span style="color: hsl(120, 100%, 40%);">+ # Let's check first if the user asked for DHCP allocation.</span><br><span style="color: hsl(120, 100%, 40%);">+ dhcp|dhcp:*)</span><br><span style="color: hsl(120, 100%, 40%);">+ # Use Docker-specific strategy to run the DHCP client</span><br><span style="color: hsl(120, 100%, 40%);">+ # from the busybox image, in the network namespace of</span><br><span style="color: hsl(120, 100%, 40%);">+ # the container.</span><br><span style="color: hsl(120, 100%, 40%);">+ if ! [ "$DOCKERPID" ]; then</span><br><span style="color: hsl(120, 100%, 40%);">+ warn "You asked for a Docker-specific DHCP method."</span><br><span style="color: hsl(120, 100%, 40%);">+ warn "However, $GUESTNAME doesn't seem to be a Docker container."</span><br><span style="color: hsl(120, 100%, 40%);">+ warn "Try to replace 'dhcp' with another option?"</span><br><span style="color: hsl(120, 100%, 40%);">+ die 1 "Aborting."</span><br><span style="color: hsl(120, 100%, 40%);">+ fi</span><br><span style="color: hsl(120, 100%, 40%);">+ DHCP_CLIENT=${IPADDR%%:*}</span><br><span style="color: hsl(120, 100%, 40%);">+ ;;</span><br><span style="color: hsl(120, 100%, 40%);">+ udhcpc|udhcpc:*|udhcpc-f|udhcpc-f:*|dhcpcd|dhcpcd:*|dhclient|dhclient:*|dhclient-f|dhclient-f:*)</span><br><span style="color: hsl(120, 100%, 40%);">+ DHCP_CLIENT=${IPADDR%%:*}</span><br><span style="color: hsl(120, 100%, 40%);">+ # did they ask for the client to remain?</span><br><span style="color: hsl(120, 100%, 40%);">+ DHCP_FOREGROUND=</span><br><span style="color: hsl(120, 100%, 40%);">+ [ "${DHCP_CLIENT%-f}" != "${DHCP_CLIENT}" ] && {</span><br><span style="color: hsl(120, 100%, 40%);">+ DHCP_FOREGROUND=true</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ DHCP_CLIENT=${DHCP_CLIENT%-f}</span><br><span style="color: hsl(120, 100%, 40%);">+ if ! installed "$DHCP_CLIENT"; then</span><br><span style="color: hsl(120, 100%, 40%);">+ die 1 "You asked for DHCP client $DHCP_CLIENT, but I can't find it."</span><br><span style="color: hsl(120, 100%, 40%);">+ fi</span><br><span style="color: hsl(120, 100%, 40%);">+ ;;</span><br><span style="color: hsl(120, 100%, 40%);">+ # Alright, no DHCP? Then let's see if we have a subnet *and* gateway.</span><br><span style="color: hsl(120, 100%, 40%);">+ */*@*)</span><br><span style="color: hsl(120, 100%, 40%);">+ GATEWAY="${IPADDR#*@}" GATEWAY="${GATEWAY%%@*}"</span><br><span style="color: hsl(120, 100%, 40%);">+ IPADDR="${IPADDR%%@*}"</span><br><span style="color: hsl(120, 100%, 40%);">+ ;;</span><br><span style="color: hsl(120, 100%, 40%);">+ # No gateway? We need at least a subnet, anyway!</span><br><span style="color: hsl(120, 100%, 40%);">+ */*) : ;;</span><br><span style="color: hsl(120, 100%, 40%);">+ # ... No? Then stop right here.</span><br><span style="color: hsl(120, 100%, 40%);">+ *)</span><br><span style="color: hsl(120, 100%, 40%);">+ warn "The IP address should include a netmask."</span><br><span style="color: hsl(120, 100%, 40%);">+ die 1 "Maybe you meant $IPADDR/24 ?"</span><br><span style="color: hsl(120, 100%, 40%);">+ ;;</span><br><span style="color: hsl(120, 100%, 40%);">+ esac</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+# If a DHCP method was specified, extract the DHCP options.</span><br><span style="color: hsl(120, 100%, 40%);">+if [ "$DHCP_CLIENT" ]; then</span><br><span style="color: hsl(120, 100%, 40%);">+ case "$IPADDR" in</span><br><span style="color: hsl(120, 100%, 40%);">+ *:*) DHCP_OPTIONS="${IPADDR#*:}" ;;</span><br><span style="color: hsl(120, 100%, 40%);">+ esac</span><br><span style="color: hsl(120, 100%, 40%);">+fi</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+if [ "$DOCKERPID" ]; then</span><br><span style="color: hsl(120, 100%, 40%);">+ NSPID=$DOCKERPID</span><br><span style="color: hsl(120, 100%, 40%);">+else</span><br><span style="color: hsl(120, 100%, 40%);">+ NSPID=$(head -n 1 "$(find "$CGROUPMNT" -name "$GUESTNAME" | head -n 1)/tasks")</span><br><span style="color: hsl(120, 100%, 40%);">+ [ "$NSPID" ] || {</span><br><span style="color: hsl(120, 100%, 40%);">+ # it is an alternative way to get the pid</span><br><span style="color: hsl(120, 100%, 40%);">+ NSPID=$(lxc-info -n "$GUESTNAME" | grep PID | grep -Eo '[0-9]+')</span><br><span style="color: hsl(120, 100%, 40%);">+ [ "$NSPID" ] || {</span><br><span style="color: hsl(120, 100%, 40%);">+ die 1 "Could not find a process inside container $GUESTNAME."</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+fi</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+# Check if an incompatible VLAN device already exists</span><br><span style="color: hsl(120, 100%, 40%);">+[ "$IFTYPE" = phys ] && [ "$VLAN" ] && [ -d "/sys/class/net/$IFNAME.VLAN" ] && {</span><br><span style="color: hsl(120, 100%, 40%);">+ ip -d link show "$IFNAME.$VLAN" | grep -q "vlan.*id $VLAN" || {</span><br><span style="color: hsl(120, 100%, 40%);">+ die 1 "$IFNAME.VLAN already exists but is not a VLAN device for tag $VLAN"</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+[ ! -d /var/run/netns ] && mkdir -p /var/run/netns</span><br><span style="color: hsl(120, 100%, 40%);">+rm -f "/var/run/netns/$NSPID"</span><br><span style="color: hsl(120, 100%, 40%);">+ln -s "/proc/$NSPID/ns/net" "/var/run/netns/$NSPID"</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+# Check if we need to create a bridge.</span><br><span style="color: hsl(120, 100%, 40%);">+[ "$IFTYPE" = bridge ] && [ ! -d "/sys/class/net/$IFNAME" ] && {</span><br><span style="color: hsl(120, 100%, 40%);">+ [ "$BRTYPE" = linux ] && {</span><br><span style="color: hsl(120, 100%, 40%);">+ (ip link add dev "$IFNAME" type bridge > /dev/null 2>&1) || (brctl addbr "$IFNAME")</span><br><span style="color: hsl(120, 100%, 40%);">+ ip link set "$IFNAME" up</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ [ "$BRTYPE" = openvswitch ] && {</span><br><span style="color: hsl(120, 100%, 40%);">+ ovs-vsctl add-br "$IFNAME"</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+[ "$IFTYPE" != "route" ] && [ "$IFTYPE" != "dummy" ] && [ "$IFTYPE" != "rule" ] && [ "$IFTYPE" != "tc" ] && MTU=$(ip link show "$IFNAME" | awk '{print $5}')</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+# If it's a bridge, we need to create a veth pair</span><br><span style="color: hsl(120, 100%, 40%);">+[ "$IFTYPE" = bridge ] && {</span><br><span style="color: hsl(120, 100%, 40%);">+ if [ -z "$LOCAL_IFNAME" ]; then</span><br><span style="color: hsl(120, 100%, 40%);">+ LOCAL_IFNAME="v${CONTAINER_IFNAME}pl${NSPID}"</span><br><span style="color: hsl(120, 100%, 40%);">+ fi</span><br><span style="color: hsl(120, 100%, 40%);">+ GUEST_IFNAME="v${CONTAINER_IFNAME}pg${NSPID}"</span><br><span style="color: hsl(120, 100%, 40%);">+ # Does the link already exist?</span><br><span style="color: hsl(120, 100%, 40%);">+ if ip link show "$LOCAL_IFNAME" >/dev/null 2>&1; then</span><br><span style="color: hsl(120, 100%, 40%);">+ # link exists, is it in use?</span><br><span style="color: hsl(120, 100%, 40%);">+ if ip link show "$LOCAL_IFNAME" up | grep -q "UP"; then</span><br><span style="color: hsl(120, 100%, 40%);">+ echo "Link $LOCAL_IFNAME exists and is up"</span><br><span style="color: hsl(120, 100%, 40%);">+ exit 1</span><br><span style="color: hsl(120, 100%, 40%);">+ fi</span><br><span style="color: hsl(120, 100%, 40%);">+ # delete the link so we can re-add it afterwards</span><br><span style="color: hsl(120, 100%, 40%);">+ ip link del "$LOCAL_IFNAME"</span><br><span style="color: hsl(120, 100%, 40%);">+ fi</span><br><span style="color: hsl(120, 100%, 40%);">+ ip link add name "$LOCAL_IFNAME" mtu "$MTU" type veth peer name "$GUEST_IFNAME" mtu "$MTU"</span><br><span style="color: hsl(120, 100%, 40%);">+ case "$BRTYPE" in</span><br><span style="color: hsl(120, 100%, 40%);">+ linux)</span><br><span style="color: hsl(120, 100%, 40%);">+ (ip link set "$LOCAL_IFNAME" master "$IFNAME" > /dev/null 2>&1) || (brctl addif "$IFNAME" "$LOCAL_IFNAME")</span><br><span style="color: hsl(120, 100%, 40%);">+ ;;</span><br><span style="color: hsl(120, 100%, 40%);">+ openvswitch)</span><br><span style="color: hsl(120, 100%, 40%);">+ if ! ovs-vsctl list-ports "$IFNAME" | grep -q "^${LOCAL_IFNAME}$"; then</span><br><span style="color: hsl(120, 100%, 40%);">+ ovs-vsctl add-port "$IFNAME" "$LOCAL_IFNAME" ${VLAN:+tag="$VLAN"} \</span><br><span style="color: hsl(120, 100%, 40%);">+ -- set Interface "$LOCAL_IFNAME" \</span><br><span style="color: hsl(120, 100%, 40%);">+ external-ids:pipework.interface="$LOCAL_IFNAME" \</span><br><span style="color: hsl(120, 100%, 40%);">+ external-ids:pipework.bridge="$IFNAME" \</span><br><span style="color: hsl(120, 100%, 40%);">+ ${DOCKERCID:+external-ids:pipework.containerid="$DOCKERCID"} \</span><br><span style="color: hsl(120, 100%, 40%);">+ ${DOCKERCNAME:+external-ids:pipework.containername="$DOCKERCNAME"} \</span><br><span style="color: hsl(120, 100%, 40%);">+ ${NSPID:+external-ids:pipework.nspid="$NSPID"} \</span><br><span style="color: hsl(120, 100%, 40%);">+ ${VLAN:+external-ids:pipework.vlan="$VLAN"}</span><br><span style="color: hsl(120, 100%, 40%);">+ fi</span><br><span style="color: hsl(120, 100%, 40%);">+ ;;</span><br><span style="color: hsl(120, 100%, 40%);">+ esac</span><br><span style="color: hsl(120, 100%, 40%);">+ ip link set "$LOCAL_IFNAME" up</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+# If it's a physical interface, create a macvlan subinterface</span><br><span style="color: hsl(120, 100%, 40%);">+[ "$IFTYPE" = phys ] && {</span><br><span style="color: hsl(120, 100%, 40%);">+ [ "$VLAN" ] && {</span><br><span style="color: hsl(120, 100%, 40%);">+ [ ! -d "/sys/class/net/${IFNAME}.${VLAN}" ] && {</span><br><span style="color: hsl(120, 100%, 40%);">+ ip link add link "$IFNAME" name "$IFNAME.$VLAN" mtu "$MTU" type vlan id "$VLAN"</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ ip link set "$IFNAME" up</span><br><span style="color: hsl(120, 100%, 40%);">+ IFNAME=$IFNAME.$VLAN</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ if [ ! -z "$DIRECT_PHYS" ]; then</span><br><span style="color: hsl(120, 100%, 40%);">+ GUEST_IFNAME=$IFNAME</span><br><span style="color: hsl(120, 100%, 40%);">+ else</span><br><span style="color: hsl(120, 100%, 40%);">+ GUEST_IFNAME=ph$NSPID$CONTAINER_IFNAME</span><br><span style="color: hsl(120, 100%, 40%);">+ ip link add link "$IFNAME" dev "$GUEST_IFNAME" mtu "$MTU" type macvlan mode bridge</span><br><span style="color: hsl(120, 100%, 40%);">+ fi</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ ip link set "$IFNAME" up</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+# If it's an IPoIB interface, create a virtual IPoIB interface (the IPoIB</span><br><span style="color: hsl(120, 100%, 40%);">+# equivalent of a macvlan device)</span><br><span style="color: hsl(120, 100%, 40%);">+#</span><br><span style="color: hsl(120, 100%, 40%);">+# Note: no macvlan subinterface nor Ethernet bridge can be created on top of an</span><br><span style="color: hsl(120, 100%, 40%);">+# IPoIB interface. InfiniBand is not Ethernet. IPoIB is an IP layer on top of</span><br><span style="color: hsl(120, 100%, 40%);">+# InfiniBand, without an intermediate Ethernet layer.</span><br><span style="color: hsl(120, 100%, 40%);">+[ "$IFTYPE" = ipoib ] && {</span><br><span style="color: hsl(120, 100%, 40%);">+ GUEST_IFNAME="${IFNAME}.${NSPID}"</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ # If a partition key is provided, use it</span><br><span style="color: hsl(120, 100%, 40%);">+ [ "$PKEY" ] && {</span><br><span style="color: hsl(120, 100%, 40%);">+ GUEST_IFNAME="${IFNAME}.${PKEY}.${NSPID}"</span><br><span style="color: hsl(120, 100%, 40%);">+ PKEY="pkey 0x$PKEY"</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ ip link add link "$IFNAME" name "$GUEST_IFNAME" type ipoib $PKEY</span><br><span style="color: hsl(120, 100%, 40%);">+ ip link set "$IFNAME" up</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+# If its a dummy interface, create a dummy interface.</span><br><span style="color: hsl(120, 100%, 40%);">+[ "$IFTYPE" = dummy ] && {</span><br><span style="color: hsl(120, 100%, 40%);">+ GUEST_IFNAME=du$NSPID$CONTAINER_IFNAME</span><br><span style="color: hsl(120, 100%, 40%);">+ ip link add dev "$GUEST_IFNAME" type dummy</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+# If the `route` command was specified ...</span><br><span style="color: hsl(120, 100%, 40%);">+if [ "$IFTYPE" = route ]; then</span><br><span style="color: hsl(120, 100%, 40%);">+ # ... discard the first two arguments and pass the rest to the route command.</span><br><span style="color: hsl(120, 100%, 40%);">+ shift 2</span><br><span style="color: hsl(120, 100%, 40%);">+ ip netns exec "$NSPID" ip route "$@"</span><br><span style="color: hsl(120, 100%, 40%);">+elif [ "$IFTYPE" = rule ] ; then</span><br><span style="color: hsl(120, 100%, 40%);">+ shift 2</span><br><span style="color: hsl(120, 100%, 40%);">+ ip netns exec "$NSPID" ip rule "$@"</span><br><span style="color: hsl(120, 100%, 40%);">+elif [ "$IFTYPE" = tc ] ; then</span><br><span style="color: hsl(120, 100%, 40%);">+ shift 2</span><br><span style="color: hsl(120, 100%, 40%);">+ ip netns exec "$NSPID" tc "$@"</span><br><span style="color: hsl(120, 100%, 40%);">+else</span><br><span style="color: hsl(120, 100%, 40%);">+ # Otherwise, run normally.</span><br><span style="color: hsl(120, 100%, 40%);">+ ip link set "$GUEST_IFNAME" netns "$NSPID"</span><br><span style="color: hsl(120, 100%, 40%);">+ ip netns exec "$NSPID" ip link set "$GUEST_IFNAME" name "$CONTAINER_IFNAME"</span><br><span style="color: hsl(120, 100%, 40%);">+ [ "$MACADDR" ] && ip netns exec "$NSPID" ip link set dev "$CONTAINER_IFNAME" address "$MACADDR"</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ # When using any of the DHCP methods, we start a DHCP client in the</span><br><span style="color: hsl(120, 100%, 40%);">+ # network namespace of the container. With the 'dhcp' method, the</span><br><span style="color: hsl(120, 100%, 40%);">+ # client used is taken from the Docker busybox image (therefore</span><br><span style="color: hsl(120, 100%, 40%);">+ # requiring no specific client installed on the host). Other methods</span><br><span style="color: hsl(120, 100%, 40%);">+ # use a locally installed client.</span><br><span style="color: hsl(120, 100%, 40%);">+ case "$DHCP_CLIENT" in</span><br><span style="color: hsl(120, 100%, 40%);">+ dhcp)</span><br><span style="color: hsl(120, 100%, 40%);">+ docker run -d --net container:$GUESTNAME --cap-add NET_ADMIN \</span><br><span style="color: hsl(120, 100%, 40%);">+ busybox udhcpc -i "$CONTAINER_IFNAME" -x "hostname:$GUESTNAME" \</span><br><span style="color: hsl(120, 100%, 40%);">+ $DHCP_OPTIONS \</span><br><span style="color: hsl(120, 100%, 40%);">+ >/dev/null</span><br><span style="color: hsl(120, 100%, 40%);">+ ;;</span><br><span style="color: hsl(120, 100%, 40%);">+ udhcpc)</span><br><span style="color: hsl(120, 100%, 40%);">+ DHCP_Q="-q"</span><br><span style="color: hsl(120, 100%, 40%);">+ [ "$DHCP_FOREGROUND" ] && {</span><br><span style="color: hsl(120, 100%, 40%);">+ DHCP_OPTIONS="$DHCP_OPTIONS -f"</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ ip netns exec "$NSPID" "$DHCP_CLIENT" -qi "$CONTAINER_IFNAME" \</span><br><span style="color: hsl(120, 100%, 40%);">+ -x "hostname:$GUESTNAME" \</span><br><span style="color: hsl(120, 100%, 40%);">+ -p "/var/run/udhcpc.$GUESTNAME.pid" \</span><br><span style="color: hsl(120, 100%, 40%);">+ $DHCP_OPTIONS</span><br><span style="color: hsl(120, 100%, 40%);">+ [ ! "$DHCP_FOREGROUND" ] && {</span><br><span style="color: hsl(120, 100%, 40%);">+ rm "/var/run/udhcpc.$GUESTNAME.pid"</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ ;;</span><br><span style="color: hsl(120, 100%, 40%);">+ dhclient)</span><br><span style="color: hsl(120, 100%, 40%);">+ ip netns exec "$NSPID" "$DHCP_CLIENT" "$CONTAINER_IFNAME" \</span><br><span style="color: hsl(120, 100%, 40%);">+ -pf "/var/run/dhclient.$GUESTNAME.pid" \</span><br><span style="color: hsl(120, 100%, 40%);">+ -lf "/etc/dhclient/dhclient.$GUESTNAME.leases" \</span><br><span style="color: hsl(120, 100%, 40%);">+ $DHCP_OPTIONS</span><br><span style="color: hsl(120, 100%, 40%);">+ # kill dhclient after get ip address to prevent device be used after container close</span><br><span style="color: hsl(120, 100%, 40%);">+ [ ! "$DHCP_FOREGROUND" ] && {</span><br><span style="color: hsl(120, 100%, 40%);">+ kill "$(cat "/var/run/dhclient.$GUESTNAME.pid")"</span><br><span style="color: hsl(120, 100%, 40%);">+ rm "/var/run/dhclient.$GUESTNAME.pid"</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ ;;</span><br><span style="color: hsl(120, 100%, 40%);">+ dhcpcd)</span><br><span style="color: hsl(120, 100%, 40%);">+ ip netns exec "$NSPID" "$DHCP_CLIENT" -q "$CONTAINER_IFNAME" -h "$GUESTNAME"</span><br><span style="color: hsl(120, 100%, 40%);">+ ;;</span><br><span style="color: hsl(120, 100%, 40%);">+ "")</span><br><span style="color: hsl(120, 100%, 40%);">+ if installed ipcalc; then</span><br><span style="color: hsl(120, 100%, 40%);">+ eval $(ipcalc -b $IPADDR)</span><br><span style="color: hsl(120, 100%, 40%);">+ ip netns exec "$NSPID" ip "$FAMILY_FLAG" addr add "$IPADDR" brd "$BROADCAST" dev "$CONTAINER_IFNAME"</span><br><span style="color: hsl(120, 100%, 40%);">+ else</span><br><span style="color: hsl(120, 100%, 40%);">+ ip netns exec "$NSPID" ip "$FAMILY_FLAG" addr add "$IPADDR" dev "$CONTAINER_IFNAME"</span><br><span style="color: hsl(120, 100%, 40%);">+ fi</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ [ "$GATEWAY" ] && {</span><br><span style="color: hsl(120, 100%, 40%);">+ ip netns exec "$NSPID" ip "$FAMILY_FLAG" route delete default >/dev/null 2>&1 && true</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ ip netns exec "$NSPID" ip "$FAMILY_FLAG" link set "$CONTAINER_IFNAME" up</span><br><span style="color: hsl(120, 100%, 40%);">+ [ "$GATEWAY" ] && {</span><br><span style="color: hsl(120, 100%, 40%);">+ ip netns exec "$NSPID" ip "$FAMILY_FLAG" route get "$GATEWAY" >/dev/null 2>&1 || \</span><br><span style="color: hsl(120, 100%, 40%);">+ ip netns exec "$NSPID" ip "$FAMILY_FLAG" route add "$GATEWAY/32" dev "$CONTAINER_IFNAME"</span><br><span style="color: hsl(120, 100%, 40%);">+ ip netns exec "$NSPID" ip "$FAMILY_FLAG" route replace default via "$GATEWAY" dev "$CONTAINER_IFNAME"</span><br><span style="color: hsl(120, 100%, 40%);">+ }</span><br><span style="color: hsl(120, 100%, 40%);">+ ;;</span><br><span style="color: hsl(120, 100%, 40%);">+ esac</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+ # Give our ARP neighbors a nudge about the new interface</span><br><span style="color: hsl(120, 100%, 40%);">+ if installed arping; then</span><br><span style="color: hsl(120, 100%, 40%);">+ IPADDR=$(echo "$IPADDR" | cut -d/ -f1)</span><br><span style="color: hsl(120, 100%, 40%);">+ ip netns exec "$NSPID" arping -c 1 -A -I "$CONTAINER_IFNAME" "$IPADDR" > /dev/null 2>&1 || true</span><br><span style="color: hsl(120, 100%, 40%);">+ else</span><br><span style="color: hsl(120, 100%, 40%);">+ echo "Warning: arping not found; interface may not be immediately reachable"</span><br><span style="color: hsl(120, 100%, 40%);">+ fi</span><br><span style="color: hsl(120, 100%, 40%);">+fi</span><br><span style="color: hsl(120, 100%, 40%);">+# Remove NSPID to avoid `ip netns` catch it.</span><br><span style="color: hsl(120, 100%, 40%);">+rm -f "/var/run/netns/$NSPID"</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+# vim: set tabstop=2 shiftwidth=2 softtabstop=2 expandtab :</span><br><span></span><br></pre><p>To view, visit <a href="https://gerrit.osmocom.org/c/docker-playground/+/21411">change 21411</a>. To unsubscribe, or for help writing mail filters, visit <a href="https://gerrit.osmocom.org/settings">settings</a>.</p><div itemscope itemtype="http://schema.org/EmailMessage"><div itemscope itemprop="action" itemtype="http://schema.org/ViewAction"><link itemprop="url" href="https://gerrit.osmocom.org/c/docker-playground/+/21411"/><meta itemprop="name" content="View Change"/></div></div>
<div style="display:none"> Gerrit-Project: docker-playground </div>
<div style="display:none"> Gerrit-Branch: master </div>
<div style="display:none"> Gerrit-Change-Id: I5e6351055ac9430f13e43291cf2a9d52683fe6bf </div>
<div style="display:none"> Gerrit-Change-Number: 21411 </div>
<div style="display:none"> Gerrit-PatchSet: 1 </div>
<div style="display:none"> Gerrit-Owner: laforge <laforge@osmocom.org> </div>
<div style="display:none"> Gerrit-MessageType: newchange </div>