alexxnica / lago-images

Image creation and hosting related scripts and configurations

lago-images

This repo holds all the files needed to generate the lago image repositoy.

Building the repo

To build the repo just run this from the root of this git repo:

$ bin/build.py --repo-name myrepo --base-url http://myrepo/

That will generate the repo at ./image-repo/ with all the images from the specs at ./image-specs. See the help of that command for more info.

The repo-name and base-url are used to generate the lago repository metadata.

For now the only template format supported for the generated template is qcow2.

NOTE: it takes some time and it will occuppy ~900GB of space and need ~6GB free during the run to generate all the images (depends on the current set of images, count ~ 250MB of permanent storage for each image and ~ 6GB of transient storage)

Using the repo

You can use the generated repo with virt-builder and lago:

With lago

That repo will include a repo.metadata file to use with lago's --template-repo-path option, you can just download it and use it with lago:

$ wget https://path.to.the/repo/repo.metadata
$ lago init --template-repo-path=repo.metadata ...

Or once https://bugzilla.redhat.com/show_bug.cgi?id=1288582 is released:

$ lago init \
    --template-repo-path=https://path.to.the/repo/repo.metadata \
    ...

Then in your environment json (where you define the domains/vms to use and their disks) you can define the disk as usual:

"disks": [
    {
        "template_name": "fedora23-base",
        "type": "template",
        "name": "root",
        "dev": "sda",
        "format": "qcow2"
    }
]

With virt-builder

The repo will also have an index file that enables it to be used by virt-builder with --source option (for now there's no signing, so make sure to add also --no-check-signature):

$ virt-builder \
    --source=https://path.to.the/repo/index \
    --no-check-signature \
    --list