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patching docker host
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#!/bin/sh | |
sudo apt-get update | |
sudo apt-get install -y isc-dhcp-server udhcpc | |
sudo sh -c 'curl https://raw2.github.com/jpetazzo/pipework/master/pipework > /usr/local/sbin/pipework' | |
sudo chmod +x /usr/local/sbin/pipework | |
sudo sh -c 'curl https://gist.github.com/sou/8779376/raw/bca0d627df1cecd74b35ec683e8a41a41719cbb2/docker-run > /usr/local/bin/docker-run' | |
sudo chmod +x /usr/local/bin/docker-run | |
# apply patch | |
sudo sh -c 'curl -s https://gist.github.com/sou/8779598/raw/71723cbf3a7776bcda81a66a4e142e5cb33fe0c3/docker.20140203.diff | patch -N -p0 /var/lib/mesos/executors/docker' | |
# setting dhcpd | |
HOST_IP=$(ip addr show dev br1 | awk '/inet / { print $2 }' | cut -d '/' -f 1) | |
sudo sed -i 's/INTERFACE=""/INTERFACE="br1"/g' /etc/default/isc-dhcp-server | |
sudo mv -b /etc/dhcp/dhcpd.conf /etc/dhcp/dhcpd.conf.orig | |
MAX_NODES=10 | |
RANGE=15 | |
BASE=90 | |
LAST=$(echo $HOST_IP | cut -d '.' -f 4) | |
OFFSET=$((((LAST % MAX_NODES) - 1) * RANGE)) | |
START=$((BASE + OFFSET)) | |
END=$((START + RANGE - 1)) | |
START_IP="10.10.10."$START | |
END_IP="10.10.10."$END | |
echo $START_IP "-" $END_IP | |
sudo sh -c "cat <<EOL >/etc/dhcp/dhcpd.conf | |
ddns-update-style none; | |
default-lease-time 600; | |
max-lease-time 7200; | |
authoritative; | |
log-facility local7; | |
subnet 10.10.10.0 netmask 255.255.255.0 { | |
range $START_IP $END_IP; | |
option routers $HOST_IP; | |
option broadcast-address 10.10.10.255; | |
option subnet-mask 255.255.255.0; | |
} | |
EOL" | |
read -p "Do you reconfigure dhcpd now?[n]:" ans | |
case $ans in | |
[Yy]* ) sudo vim /etc/dhcp/dhcpd.conf;; | |
* ) echo "Skip configuring dhcpd...";; | |
esac | |
sudo service isc-dhcp-server restart |
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