Merge "Adds instructions for manual Trove installation"
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@ -11,7 +11,7 @@ To quickly run the tests for Python 2.7, run:
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$ tox -epy27
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To quickly run PEP8, run:
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$ to -epep8
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$ tox -epep8
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To generate a coverage report,run:
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$ tox -ecover
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@ -0,0 +1,260 @@
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.. _manual_install:
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=========================
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Manual Trove Installation
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=========================
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Objectives
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==========
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This document is aimed to provide a step-by-step guide for manual installation of Trove with an existing OpenStack
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environment for development purposes.
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This document does not cover OpenStack setup.
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This document does not cover production-specific moments like high availability or security.
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This document does not cover all possible configurations. It only provides one possible way to get things
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running.
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Requirements
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============
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- PC with freshly installed Ubuntu 12.04 to run Trove services. This will be referred to as "local PC"
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- Running Openstack Grizzly environment. All of Grizzly's services must be accessible directly from the local PC
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- AMQP service provided by RabbitMQ
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- MySQL database for Trove's internal needs, accessible from the local PC
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- Though it is not required by OpenStack itself, all OpenStack services must be accessible via network from virtual machines
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- Trove's database must be accessible from VMs, i.e. one must be able to connect to DB from VM
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- VMs must be accessible from local PC (same network)
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Installation
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============
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-----------
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Gather info
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-----------
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..
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TODO: Requirements below (e.g. admin credentials) are obviously excessive. Try to use regular account.
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The following information about existing environment is required:
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- Keystone host and port(s)
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- OpenStack administrator's username, tenant and password
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- Nova compute URL
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- Cinder URL
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- Swift URL
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- RabbitMQ URL, user Id, password
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- Trove's MySQL connection string
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--------------------
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Install dependencies
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--------------------
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* Install required packages::
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# sudo apt-get install build-essential libxslt1-dev qemu-utils mysql-client git python-dev python-pexpect python-mysqldb
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* Some packages in Ubuntu repo are outdated, so install their latest version from sources::
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# cd ~
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# wget https://pypi.python.org/packages/source/s/setuptools/setuptools-0.9.8.tar.gz
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# tar xfvz setuptools-0.9.8.tar.gz
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# cd setuptools-0.9.8
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# python setup.py install --user
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# cd ~
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# wget https://pypi.python.org/packages/source/p/pip/pip-1.4.1.tar.gz
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# tar xfvz pip-1.4.1.tar.gz
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# cd pip-1.4.1
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# python setup.py install --user
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# cd ~
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* Note '--user' above -- we installed packages in user's home dir, in $HOME/.local/bin, so we need to add it to path::
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# echo PATH="$HOME/.local/bin:$PATH" >> ~/.profile
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# . ~/.profile
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* Install virtualenv, create environment and activate it::
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# pip install virtualenv --user
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# virtualenv --system-site-packages env
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# . env/bin/activate
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------------
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Obtain Trove
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------------
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* Get Trove's sources from git::
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# git clone https://github.com/openstack/trove.git
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# git clone https://github.com/openstack/python-troveclient.git
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-------------
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Install Trove
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-------------
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* First install required python packages::
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# cd ~/trove
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# pip install -r requirements.txt
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* Resolve dependency conflicts (if there are any)
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Trove is being built and tested against latest versions of OpenStack components that can be obtained from GitHub.
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But setup downloads dependencies from PyPI which may contain outdated versions. This may cause a dependency conflicts.
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E.g. for now python-cinderclient from PyPI requires older 'requests' than one installed by default, so fix it manually::
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# pip install --upgrade 'requests<1.2.3'
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or consider manual installing fresh OpenStack components from GitHub
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* Install Trove itself::
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# python setup.py develop
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* Install Trove CLI::
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# cd ~/python-troveclient
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# python setup.py develop
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# cd ~
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* We'll need glance client as well::
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# pip install python-glanceclient
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-----------------
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Prepare OpenStack
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-----------------
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* Create a tenant 'trove' and user 'trove' with password 'trove' to be used with Trove.
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These values are not required to all be 'trove'; you can instead choose your own values for the name,
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tenant, and password::
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# keystone --os-username <OpenStackAdminUsername> --os-password <OpenStackAdminPassword>
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--os-tenant-name <OpenStackAdminTenant> --os-auth-url http://<KeystoneIp>:35357/v2.0
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tenant-create --name trove
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# keystone --os-username <OpenStackAdminUsername> --os-password <OpenStackAdminPassword>
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--os-tenant-name <OpenStackAdminTenant> --os-auth-url http://<KeystoneIp>:35357/v2.0
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user-create --name trove --pass trove --tenant trove
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# keystone --os-username <OpenStackAdminUsername> --os-password <OpenStackAdminPassword>
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--os-tenant-name <OpenStackAdminTenant> --os-auth-url http://<KeystoneIp>:35357/v2.0
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user-role-add --name trove --tenant trove --role admin
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* Create service for trove::
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# keystone --os-username <OpenStackAdminUsername> --os-password <OpenStackAdminPassword>
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--os-tenant-name <OpenStackAdminTenant> --os-auth-url http://<KeystoneIp>:35357/v2.0
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service-create --name trove --type database
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* Create an endpoint that points to localhost. Pay attention to the use of quotes (')::
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# keystone --os-username <OpenStackAdminUsername> --os-password <OpenStackAdminPassword>
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--os-tenant-name <OpenStackAdminTenant> --os-auth-url http://<KeystoneIp>:35357/v2.0
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endpoint-create --service trove --region RegionOne
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--publicurl 'http://localhost:8779/v1.0/$(tenant_id)s'
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--adminurl 'http://localhost:8779/v1.0/$(tenant_id)s'
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--internalurl 'http://localhost:8779/v1.0/$(tenant_id)s'
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---------------------------------
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Prepare Trove configuration files
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---------------------------------
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There are several configuration files for Trove:
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- api-paste.ini and trove.conf -- for trove-api
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- trove-taskmanager.conf -- for trove-taskmanager
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- trove-guestagent.conf -- for trove-guestagent
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- <service_type>.cloudinit -- cloudinit scripts for different service types. For now only 'mysql' and 'percona' are recognized as valid service types. NOTE: file names must exactly follow the pattern, e.g. 'mysql.cloudinit'
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Samples of the above are available in $TROVE/trove/etc/trove/ as *.conf.sample files.
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If a vanilla Ubuntu image used as a source image for Trove instances, then it is cloudinit script's responsibility
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to install and run Trove guestagent in the instance.
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As an alternative one may consider creating a custom image with pre-installed and pre-configured Trove in it.
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-------------
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Prepare image
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-------------
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* As the source image for trove instances, we will use a cloudinit-enabled vanilla Ubuntu image::
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# wget http://cloud-images.ubuntu.com/precise/current/precise-server-cloudimg-amd64-disk1.img
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* Convert the downloaded image into uncompressed qcow2::
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# qemu-img convert -O qcow2 precise-server-cloudimg-amd64-disk1.img precise.qcow2
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* Upload the converted image into Glance::
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# glance --os-username trove --os-password trove --os-tenant-name trove --os-auth-url http://<KeystoneIp>:35357/v2.0
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image-create --name trove-image --public --container-format ovf --disk-format qcow2 --owner trove < precise.qcow2
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----------------
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Prepare database
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----------------
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* Initialize the database::
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# trove-manage --config-file=<PathToTroveConf> db_wipe trove_test.sqlite mysql fake
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* Setup trove to use the uploaded image. Enter the following in a single line, note quotes (') and backquotes(`)::
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# trove-manage --config-file=<PathToTroveConf> image_update mysql
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`nova --os-username trove --os-password trove --os-tenant-name trove
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--os-auth-url http://<KeystoneIp>:5000/v2.0 image-list | awk '/trove-image/ {print $2}'`
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---------
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Run Trove
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---------
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* Run trove-api::
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# trove-api --config-file=<PathToTroveConf> &
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* Run trove-taskmanager::
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# trove-taskmanager --config-file=<PathToTroveTaskmanagerConf> &
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* Try executing a trove command, like get-instance. You must first issue an "auth login" to obtain an API key.::
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# trove-cli --username=trove --apikey=trove --tenant=trove --auth_url=http://<KeystoneIp>:35357/v2.0/tokens auth login
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# trove-cli instance list
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Troubleshooting
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===============
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-------------
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No instance IPs in the output of 'trove-cli instance get'
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-------------
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If Trove instance is created properly, is in the state ACTIVE, and is known for sure to be working,
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but there are no IP addresses for the instance in the output of 'trove-cli instance get <id>', then make sure
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the following lines are added to trove.conf::
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add_addresses = True
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network_label_regex = ^NETWORK_NAME$
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where NETWORK_NAME should be replaced with real name of the nova network to which the instance is connected to.
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One possible way to find the nova network name is to execute the 'nova list' command. The output will list
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all Openstack instances for the tenant, including network information. Look for ::
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NETWORK_NAME=IP_ADDRESS
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@ -31,6 +31,8 @@ github in the `Trove Integration`_ Repository.
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For further details on how to install Trove using the integration
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scripts please refer to the :doc:`dev/install` page.
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For further details on how to install Trove to work with existing
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OpenStack environment please refer to the :doc:`dev/manual_install` page.
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Developer Resources
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===================
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