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doc: Make networking work inside builder in gitian-building.md

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These are changes I needed to get gitian building to work with Debian
8.2, which is the version we tell to use.

- Set up NAT, so that container can access network beyond host
- Remove explicit cgroup setup - these are mounted automatically now
This commit is contained in:
Wladimir J. van der Laan 2015-11-19 13:11:50 +01:00
parent d3dfc6d7e1
commit 99fda26de0
1 changed files with 2 additions and 2 deletions
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doc/gitian-building.md
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@ -262,12 +262,12 @@ Then set up LXC and the rest with the following, which is a complex jumble of se
# the version of lxc-start in Debian 7.4 needs to run as root, so make sure # the version of lxc-start in Debian 7.4 needs to run as root, so make sure
# that the build script can execute it without providing a password # that the build script can execute it without providing a password
echo "%sudo ALL=NOPASSWD: /usr/bin/lxc-start" > /etc/sudoers.d/gitian-lxc echo "%sudo ALL=NOPASSWD: /usr/bin/lxc-start" > /etc/sudoers.d/gitian-lxc
# add cgroup for LXC
echo "cgroup /sys/fs/cgroup cgroup defaults 0 0" >> /etc/fstab
# make /etc/rc.local script that sets up bridge between guest and host # make /etc/rc.local script that sets up bridge between guest and host
echo '#!/bin/sh -e' > /etc/rc.local echo '#!/bin/sh -e' > /etc/rc.local
echo 'brctl addbr br0' >> /etc/rc.local echo 'brctl addbr br0' >> /etc/rc.local
echo 'ifconfig br0 10.0.3.2/24 up' >> /etc/rc.local echo 'ifconfig br0 10.0.3.2/24 up' >> /etc/rc.local
echo 'iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE' >> /etc/rc.local
echo 'echo 1 > /proc/sys/net/ipv4/ip_forward' >> /etc/rc.local
echo 'exit 0' >> /etc/rc.local echo 'exit 0' >> /etc/rc.local
# make sure that USE_LXC is always set when logging in as debian, # make sure that USE_LXC is always set when logging in as debian,
# and configure LXC IP addresses # and configure LXC IP addresses