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Copyright 2010 United States Government as represented by the
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Administrator of the National Aeronautics and Space Administration.
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Licensed under the Apache License, Version 2.0 (the "License"); you may
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not use this file except in compliance with the License. You may obtain
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a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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License for the specific language governing permissions and limitations
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P1 (this is one example of how to use priority syntax)
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* Document the assumptions about pluggable interfaces (sqlite3 instead of
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* Document env vars that can change things (USE_MYSQL, HOST_IP) (todd)
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Recommended System Configuration
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--------------------------------
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Although Nova can be run on a variety of system architectures, for most users the following will be simplest:
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* 10GB Hard Disk Space
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For development, Nova can run from within a VM.
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Nova is hosted on launchpad. You can get the code with the following command
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The `contrib/nova.sh` file in the source distribution is a script that
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will quickly set up nova to run on a single machine. It is tested against
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Ubuntu only, but other distributions are forthcoming.
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By tweaking the environment that nova.sh run in, you can build slightly
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different configurations (though for more complex setups you should see
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:doc:`/adminguide/getting.started` and :doc:`/adminguide/multi.node.install`).
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* Default: address of first interface from the ifconfig command
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* Values: 127.0.0.1, or any other valid address
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**Values**: 1, run tests after checkout and initial setup
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**Default**: 0, use sqlite3
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**Values**: 1, use mysql instead of sqlite3
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Only useful if $USE_MYSQL=1.
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**Values**: value of root password for mysql
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**Default**: 0, use :mod:`nova.auth.dbdriver`
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**Values**: 1, use :mod:`nova.auth.ldapdriver`
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Unless you want to spend a lot of time fiddling with permissions and sudoers,
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you should probably run nova as root.
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If you are concerned about security, nova runs just fine inside a virtual
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Use the script to install and run the current trunk. You can also specify a
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specific branch by putting `lp:~someone/nova/some-branch` after the branch
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The run command will drop you into a screen session with all of the workers
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running in different windows You can use eucatools to run commands against the
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euca-add-keypair test > test.pem
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euca-run-instances -k test -t m1.tiny ami-tiny
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euca-describe-instances
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To see output from the various workers, switch screen windows
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will give you a list of running windows.
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When the instance is running, you should be able to ssh to it.
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ssh -i test.pem root@10.0.0.3
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nova will terminate. It may take a while for nova to finish cleaning up. If
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you exit the process before it is done because there were some problems in your
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build, you may have to clean up the nova processes manually. If you had any
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instances running, you can attempt to kill them through the api:
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Then you can destroy the screen:
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If things get particularly messed up, you might need to do some more intense
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cleanup. Be careful, the following command will manually destroy all runnning
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virsh instances and attempt to delete all vlans and bridges.
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You can edit files in the install directory or do a bzr pull to pick up new versions. You only need to do
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to run nova after the first install. The database should be cleaned up on each run.
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