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# Copyright (C) 2014, 2015 Codethink Limited
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, see <http://www.gnu.org/licenses/>.
help: |
Deploy a distbuild network, using a Trove to serve the kernel and rootfs.
The `location` argument is the hostname of the Trove system.
The following configuration values must be specified:
- DISTBUILD_CONTROLLER: hostname of controller system
- DISTBUILD_WORKERS: hostnames of each worker system
- DISTBUILD_GIT_SERVER: Trove hostname
- DISTBUILD_SHARED_ARTIFACT_CACHE: Trove hostname
- DISTBUILD_TROVE_ID: Trove ID
- DISTBUILD_WORKER_SSH_KEY: SSH key to be used for ssh:// repos
A note on TROVE_ID: the current distbuild-setup service requires that
a single 'Trove ID' is specified. This is used in Morph for expanding
keyed URLs. If you set TROVE_ID=foo for example, foo:bar will be expanded
to git://$GIT_SERVER/foo, in addition to the standard baserock: and
upstream: prefixes that you can use.
The WORKER_SSH_KEY must be provided, even if you don't need it. The
distbuild-setup service could be changed to make it optional.
The following configuration values are optional:
- HOST_MAP: a list of key=value pairs mapping hostnames to IP addresses,
or fully-qualified domain names. Useful if you
cannot rely on hostname resolution working for your deploment.
The extension will connect to root@location via ssh to copy the kernel and
rootfs, and configure the nfs server. It will duplicate the kernel and
rootfs once for each node in the distbuild network.
The deployment mechanism makes assumptions about the bootloader
configuration of the target machines.
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