lorax/_sources/composer-cli.rst.txt

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composer-cli
============
:Authors:
Brian C. Lane <bcl@redhat.com>
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``composer-cli`` is used to interact with the ``lorax-composer`` API server, managing blueprints, exploring available packages, and building new images.
It requires `lorax-composer <lorax-composer.html>`_ to be installed on the
local system, and the user running it needs to be a member of the ``weldr``
group. They do not need to be root, but all of the `security precautions
<lorax-composer.html#security>`_ apply.
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composer-cli cmdline arguments
------------------------------
.. argparse::
:ref: composer.cli.cmdline.composer_cli_parser
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:prog: composer-cli
Edit a Blueprint
----------------
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Start out by listing the available blueprints using ``composer-cli blueprints
list``, pick one and save it to the local directory by running ``composer-cli
blueprints save http-server``. If there are no blueprints available you can
copy one of the examples `from the test suite
<https://github.com/weldr/lorax/tree/master/tests/pylorax/blueprints/>`_.
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Edit the file (it will be saved with a .toml extension) and change the
description, add a package or module to it. Send it back to the server by
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running ``composer-cli blueprints push http-server.toml``. You can verify that it was
saved by viewing the changelog - ``composer-cli blueprints changes http-server``.
Build an image
----------------
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Build a ``qcow2`` disk image from this blueprint by running ``composer-cli
compose start http-server qcow2``. It will print a UUID that you can use to
keep track of the build. You can also cancel the build if needed.
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The available types of images is displayed by ``composer-cli compose types``.
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Currently this consists of: alibaba, ami, ext4-filesystem, google, hyper-v,
live-iso, openstack, partitioned-disk, qcow2, tar, vhd, vmdk
Monitor the build status
------------------------
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Monitor it using ``composer-cli compose status``, which will show the status of
all the builds on the system. You can view the end of the anaconda build logs
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once it is in the ``RUNNING`` state using ``composer-cli compose log UUID``
where UUID is the UUID returned by the start command.
Once the build is in the ``FINISHED`` state you can download the image.
Download the image
------------------
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Downloading the final image is done with ``composer-cli compose image UUID`` and it will
save the qcow2 image as ``UUID-disk.qcow2`` which you can then use to boot a VM like this::
qemu-kvm --name test-image -m 1024 -hda ./UUID-disk.qcow2