Thanks for the help in getting these changes merged. With regard to the other solutions, I looked over oz, and I still really don't understand how I'd use it to do what I want. It appears to depend on the preseed system, which would require that I do things like install the bootloader or partition the disk within the install. What I am looking for is a way to get a disk image using debootstrap --variant=minbase (plus some additional packages) that I can just dd onto my root partition. During my install procedure, I partition the drives with sgdisk and do something very similar to the following:
# wget -O - https://imgserver/image.img.gz | gunzip -c | dd if=/dev/stdin of=/dev/sda2 bs=32M Then, of course, I update the uuid on the root partition, install the bootloader, fixup the fstab, and do some other stuff like network config. All of this other configuration is highly machine dependent and some of the configuration is pulled from a web service frontend to a database. Also, preseed doesn't seem to support partitioning different drives in different ways. For example, here's a sample partition table for sda: Number Start (sector) End (sector) Size Code Name 1 2048 4095 1024 KiB EF02 boot 2 4096 10489855 5.0 GiB 0700 root 3 10489856 62914526 25.0 GiB 0700 data and for sdb-sdzzzz: Number Start (sector) End (sector) Size Code Name 1 2048 4095 1024 KiB EF02 boot 2 4096 62914526 30.0 GiB 0700 data We just mount all the data volumes in a JBOD fasion under /disks/sd{a..zzzz}. Basically, I am doing my installs this way to unify our environment whether we are on EC2, in-house VMs, or bare metal. If there's a good way to generate these images otherwise, I am certainly open to it. wt On Wed, Mar 6, 2013 at 2:32 PM, Serge Hallyn <[email protected]>wrote: > Quoting Warren Turkal ([email protected]): > > Hi vmbuilders, > > > > I am working on some vmbuilder changes. Here's a small list: > > > > - Bare metal image support - I am already working on this one. I will > be > > generating the image within an lxc container. It will be output as a > image > > file for the root partition. It will not be a whole disk image. As a > > result, I also will not be installing a bootloader until the image is > > installed onto some machine. I have an installer that I've written in > > shell+golang using tinycore linux as a base. This installer will > eventually > > be opened up as well. > > - Convert optparse to argparse - Would this be interesting to anyone? > I > > think it would be nice to turn the hypervisor and suite names into > > subcommands and get rid of allow_interspersed_args() and parsing the > args > > more than once. > > > > I just wanted to share with others, so if you have ideas, please let me > > know. > > Hi Warren, > > note that in general vmbuilder is deprecated in favor of other > solutions (see > https://blueprints.launchpad.net/ubuntu/+spec/servercloud-r-vmbuilder > for the latest discussion we had about this). > > Any patches which look simple enough I'll just apply. For anything > which is more complicated, I'd appreciate some comments in the merge > proposals giving detailed test steps. (so far your merge proposal > messages have been great so I don't anticipate any problem). > > If at some point you want me to cut a new release for raring with > what is in lp:vmbuilder, please shout. > > -serge > -- *Warren Turkal* Site Reliability Engineer | [email protected] | 650-961-3400 www.ooyala.com | blog <http://www.ooyala.com/blog> | @ooyala<http://www.twitter.com/ooyala>
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