Chroot build environment: Difference between revisions

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Our "weekly" builds are done in a virtual machine with a chroot prison for 32 and 64 bit builds and wine for the Windows build. Here I document step by step how to set one up. I write this as I go, so it is incomplete.
Our "weekly" builds are done in a virtual machine with a chroot prison for 32 and 64 bit builds and wine for the Windows build. Here I document step by step how to set one up. I write this as I go, so it is incomplete.
Make snapshots after every section or so.


== Base system ==
== Base system ==
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Install Ubuntu Trusty in a virtual machine. Straightforward :) Pick LVM in the setup options so you can resize partitions later.
Install Ubuntu Trusty in a virtual machine. Straightforward :) Pick LVM in the setup options so you can resize partitions later.


Install bzr and (optinal, I use it for remote access) ssh:
Install bzr and (optinal, I use it for remote access) ssh and stuff:
  sudo apt-get update
  sudo apt-get update
  sudo apt-get install bzr ssh
  sudo apt-get install bzr ssh schroot
 
== Add common volume to host builds ==
 
Use LVM to add a new volume. My VM has 150 G total space:
lvcreate -L 100G -n builds ubuntu-vg
mkfs.ext4 /dev/ubuntu-vg/builds
If there is not enough space, reduce existing volumes. This needs to be done from a Live CD:
resize2fs /dev/ubuntu-vg/root 50G
lvresize /dev/ubuntu-vg/root 50G
 
Add the new volume to fstab:
/dev/mapper/ubuntu--vg-builds /mnt/builds  ext4    errors=remount-ro 0      1
 
This new volume will be mounted into the chroots for easy access.
 
== Set up chroot environments ==
Follow this documentation: [https://wiki.ubuntu.com/DebootstrapChroot]
 
Our

Revision as of 16:35, 29 March 2015

Working on this as I build a new virtual machine for semi-automated Linux and Windows builds.

Chroot

Our "weekly" builds are done in a virtual machine with a chroot prison for 32 and 64 bit builds and wine for the Windows build. Here I document step by step how to set one up. I write this as I go, so it is incomplete.

Make snapshots after every section or so.

Base system

Install Ubuntu Trusty in a virtual machine. Straightforward :) Pick LVM in the setup options so you can resize partitions later.

Install bzr and (optinal, I use it for remote access) ssh and stuff:

sudo apt-get update
sudo apt-get install bzr ssh schroot

Add common volume to host builds

Use LVM to add a new volume. My VM has 150 G total space:

lvcreate -L 100G -n builds ubuntu-vg
mkfs.ext4 /dev/ubuntu-vg/builds

If there is not enough space, reduce existing volumes. This needs to be done from a Live CD:

resize2fs /dev/ubuntu-vg/root 50G
lvresize /dev/ubuntu-vg/root 50G

Add the new volume to fstab:

/dev/mapper/ubuntu--vg-builds /mnt/builds  ext4    errors=remount-ro 0       1

This new volume will be mounted into the chroots for easy access.

Set up chroot environments

Follow this documentation: [1]

Our