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xcat-core/xCAT/postscripts/setupdockerhost
2016-05-13 10:43:20 -04:00

192 lines
6.3 KiB
Bash
Executable File

#!/bin/bash
# IBM(c) 2014 EPL license http://www.eclipse.org/legal/epl-v10.html
#-------------------------------------------------------------------------------
#=head1 setupdockerhost
#=head2 Used on Linux only. Configure SSL connection and docker network object on docker host
#
# You can run the following commands on MN:
# updatenode noderange -P "setupdockerhost netname=net/mask@gateway:nicname"
#
#=cut
#-------------------------------------------------------------------------------
set -x
if [ "$(uname -s|tr 'A-Z' 'a-z')" = "linux" ];then
str_dir_name=`dirname $0`
. $str_dir_name/xcatlib.sh
fi
if [[ "$OSVER" != ubuntu* ]]; then
echo "OS = $OSVER: Setup of Docker host is currently supported only on Ubuntu."
exit 1
fi
if [[ "$ARCH" == "x86_64" ]]; then
# Check if docker-engine is installed
dpkg -l docker-engine
if [ $? -ne 0 ]; then
echo "Error: can not detect docker-engine installation."
exit 1
fi
fi
if [[ "$ARCH" == "ppc64el" ]]; then
# Check if docker.io is installed
dpkg -l docker.io
if [ $? -ne 0 ]; then
echo "Error: can not detect docker.io installation."
exit 1
fi
fi
# Docker is installed, check that it is running
docker info
if [ $? -ne 0 ]; then
echo "Docker is not running, Trying to restart."
service docker start
fi
DOCKER_VERSION=`docker info 2>/dev/null | grep "Server Version:" | awk -F: '{print $2}'`
if [ -z "$DOCKER_VERSION" ];then
echo "Error: failed to get docker server version"
exit 1
fi
MAJOR_VERSION=`echo $DOCKER_VERSION | awk -F. '{print $1}'`
MINOR_VERSION=`echo $DOCKER_VERSION | awk -F. '{print $2}'`
if [ -z "$MAJOR_VERSION" -o -z "$MINOR_VERSION" ]; then
echo "The docker version $DOCKER_VERSION can not be recorgnized"
exit 1
elif [ $MAJOR_VERSION -le 1 -a $MINOR_VERSION -lt 10 ]; then
echo "Only docker version 1.10.x and above is supported"
exit 1
fi
netname=""
net=""
mask=""
gateway=""
nicname=""
if [ $# -ne 1 ]; then
echo "Error: must be in format '$0 netname=net/mask@gateway[:nicname]'"
exit 1
else
NETINFO="$1"
netname=`echo $NETINFO | awk -F= '{print $1}'`
netinfo=`echo $NETINFO | awk -F= '{print $2}'`
net=${netinfo%%/*}
mask=`echo $netinfo | awk -F'@' '{print $1}' | awk -F/ '{print $2}'`
gateway=`echo $netinfo | awk -F'@' '{print $2}' | awk -F: '{print $1}'`
nicname=`echo $netinfo | awk -F: '{print $2}'`
if [ ! -z "$nicname" ]; then
if [ ! -x /sbin/brctl ]; then
echo "Error: /sbin/brctl command not found. Not able to configure $nicname"
exit 1;
fi
fi
if [ -z "$netname" -o -z "$net" -o -z "$mask" -o -z "$gateway" ]; then
echo "Error: must be in format '$0 netname=net/mask@gateway[:nicname]'"
exit 1
fi
fi
#Setup TLS
master=$MASTER
if ! ping $master -c 1 > /dev/null 2>&1 ; then
echo "Error: Host $master is not reachable"
exit 1
fi
if [ ! -d /root/.docker ]; then
mkdir -p /root/.docker
fi
HOST_CA_PEM="/root/.docker/ca-cert.pem"
HOST_CERT_PEM="/root/.docker/dockerhost-cert.pem"
allowcred.awk &
CREDPID=$!
sleep 1
getcredentials.awk xcat_dockerhost_cert | grep -E -v '</{0,1}xcatresponse>|</{0,1}serverdone>' | sed -e 's/&lt;/</' -e 's/&gt;/>/' -e 's/&amp;/&/' -e 's/&quot/"/' -e "s/&apos;/'/" > /tmp/xcat_dockerhost_cert
kill -9 $CREDPID
grep -E '<error>' /tmp/xcat_dockerhost_cert
if [ $? -ne 0 ]; then
cat /tmp/xcat_dockerhost_cert |
cat /tmp/xcat_dockerhost_cert | grep -E -v '</{0,1}errorcode>|/{0,1}data>|</{0,1}content>|</{0,1}desc>' >$HOST_CERT_PEM
else
echo "Error: can not get dockerhost certificate files"
exit 1
fi
cp /xcatpost/ca/ca-cert.pem $HOST_CA_PEM
if [ ! -e $HOST_CA_PEM -o ! -e $HOST_CERT_PEM ];then
echo "Error: can not get dockerhost certificate files"
exit 1
fi
docker_conf_file="/etc/default/docker"
if [ ! -f "$docker_conf_file" ]; then
echo "Error: file $docker_conf_file does not exist"
exit 1
fi
if ! grep "^DOCKER_OPTS" $docker_conf_file > /dev/null 2>&1 ; then
echo "DOCKER_OPTS=\"-H unix:///var/run/docker.sock -H tcp://`hostname`:2375 --tls --tlscacert=$HOST_CA_PEM --tlscert=$HOST_CERT_PEM --tlskey=$HOST_CERT_PEM --tlsverify=true\"" >> $docker_conf_file
else
if grep "^DOCKER_OPTS.*tlsverify" $docker_conf_file > /dev/null 2>&1; then
sed -i "s@-H [^ |^\"]*@@g" $docker_conf_file
sed -i "s@--tlscacert=[^ |^\"]*@@g" $docker_conf_file
sed -i "s@--tlscert=[^ |^\"]*@@g" $docker_conf_file
sed -i "s@--tlskey=[^ |^\"]*@@g" $docker_conf_file
sed -i "s@--tlsverify=[^ |^\"]*@@g" $docker_conf_file
sed -i "s@--tls@@g" $docker_conf_file
sed -i "s@\ \{2,\}@@g" $docker_conf_file
fi
sed -i "s@^\(DOCKER_OPTS\=\"[^\"]*\)@\1 -H unix:///var/run/docker.sock -H tcp://`hostname`:2375 --tls --tlscacert=$HOST_CA_PEM --tlscert=$HOST_CERT_PEM --tlskey=$HOST_CERT_PEM --tlsverify=true\"@" $docker_conf_file
sed -i 's/\"\{2,\}/\"/' $docker_conf_file
fi
#Restart docker service
service docker stop
sleep 2
systemctl daemon-reload
service docker start
# It is found that sometimes the docker ps will failed if run immediately after restart docker daemon
sleep 2
docker ps
if [ $? -ne 0 ]; then
echo "Error: Failed to start Docker service"
exit 1
fi
echo "Will create network based on: $net/$mask@$gateway===$nicname:$netname====="
ret=`docker network create --gateway=$gateway --subnet=$net/$mask -o "com.docker.network.bridge.host_binding_ipv4"="$gateway" -o "com.docker.network.bridge.name"="$netname" $netname 2>&1`
if [ $? -ne 0 ]; then
echo "Error: Creation of network object \"$netname\" failed: $ret"
exit 1
fi
if [ ! -z "$nicname" ]; then
brctl addif $netname $nicname
default_info=`ip route | grep default | grep "dev $nicname" | grep via`
if [ ! -z "$default_info" ]; then
default_gw=`echo $default_info | awk '{print $3}'`
ip route replace default dev $netname via $default_gw
fi
nic_ip_info=`ip addr show dev $nicname scope global | grep inet | sed -e 's/inet.//'|awk '{print $1}'`
if [ ! -z "$nic_ip_info" ]; then
ip addr del $nic_ip_info dev $nicname
fi
bridge_ip_info=`ip addr show dev $netname scope global | grep inet | sed -e 's/inet.//'|awk '{print $1}'`
if [ -z "$bridge_ip_info" ]; then
ip addr add $gateway/$mask dev $netname
fi
fi
exit 0