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254 lines
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254 lines
13 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<section xmlns="http://docbook.org/ns/docbook" xmlns:xi="http://www.w3.org/2001/XInclude" xmlns:xlink="http://www.w3.org/1999/xlink" xml:id="trove-install" version="5.0">
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<title>Install the Database service</title>
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<para>This procedure installs the Database module on the controller
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node.</para>
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<formalpara>
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<title>Prerequisites</title>
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<para>This chapter assumes that you already have a working
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OpenStack environment with at least the following components
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installed: Compute, Image Service, Identity.</para>
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</formalpara>
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<note os="ubuntu">
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<title>Ubuntu 14.04 Only</title>
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<para>The Database module is only available under Ubuntu 14.04.
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Packages are not available for 12.04, or via the Ubuntu Cloud
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Archive.</para>
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</note>
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<para>To install the Database module on the controller:</para>
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<procedure>
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<step>
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<para>Install required packages:</para>
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<screen os="ubuntu;debian"><prompt>#</prompt> <userinput>apt-get install python-trove python-troveclient python-glanceclient \
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trove-common trove-api trove-taskmanager</userinput></screen>
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<screen os="rhel;centos;fedora"><prompt>#</prompt> <userinput>yum install openstack-trove python-troveclient</userinput></screen>
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<screen os="opensuse;sles"><prompt>#</prompt> <userinput>zypper install openstack-trove python-troveclient</userinput></screen>
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</step>
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<step os="debian">
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<para>Respond to the prompts for <link
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linkend="debconf-dbconfig-common">database management</link> and
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<link linkend="debconf-keystone_authtoken"
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><literal>[keystone_authtoken]</literal> settings</link>,
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and <link linkend="debconf-api-endpoints">API endpoint</link>
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registration. The <command>trove-manage db_sync</command>
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command runs automatically.</para>
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</step>
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<step>
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<para>Prepare OpenStack:</para>
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<substeps>
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<step>
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<para>Source the <filename>admin-openrc.sh</filename> file.</para>
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<screen><prompt>$</prompt> <userinput>source ~/admin-openrc.sh</userinput></screen>
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</step>
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<step os="rhel;centos;fedora;opensuse;sles;ubuntu">
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<para>Create a <literal>trove</literal> user that Compute uses to
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authenticate with the Identity service. Use the
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<literal>service</literal> tenant and give the user the
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<literal>admin</literal> role:
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</para>
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<screen><prompt>$</prompt> <userinput>keystone user-create --name=trove --pass=<replaceable>TROVE_PASS</replaceable> \
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--email=<replaceable>trove@example.com</replaceable></userinput>
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<prompt>$</prompt> <userinput>keystone user-role-add --user=trove --tenant=service --role=admin</userinput></screen>
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</step>
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</substeps>
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</step>
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<step>
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<para>Edit the following configuration files, taking the below
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actions for each file:</para>
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<itemizedlist>
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<listitem><para><filename>trove.conf</filename></para></listitem>
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<listitem><para><filename>trove-taskmanager.conf</filename></para></listitem>
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<listitem><para><filename>trove-conductor.conf</filename></para></listitem>
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</itemizedlist>
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<substeps>
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<step><para>Edit the <literal>[DEFAULT]</literal> section of
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each file and set appropriate values for the OpenStack service
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URLs, logging and messaging configuration, and SQL
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connections:</para>
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<programlisting language="ini">[DEFAULT]
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log_dir = /var/log/trove
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trove_auth_url = http://<replaceable>controller</replaceable>:5000/v2.0
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nova_compute_url = http://<replaceable>controller</replaceable>:8774/v2
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cinder_url = http://<replaceable>controller</replaceable>:8776/v1
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swift_url = http://<replaceable>controller</replaceable>:8080/v1/AUTH_
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sql_connection = mysql://trove:<literal>TROVE_DBPASS</literal>@<replaceable>controller</replaceable>/trove
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notifier_queue_hostname = <replaceable>controller</replaceable></programlisting>
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</step>
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<step os="ubuntu">
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<para>Configure the Database module to use the RabbitMQ message broker by
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setting the rabbit_password in the <literal>[DEFAULT]</literal>
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configuration group of each file:</para>
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<programlisting language="ini">[DEFAULT]
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...
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rabbit_password = <replaceable>RABBIT_PASS</replaceable>
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...</programlisting>
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</step>
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<step os="opensuse;sles;rhel;centos;fedora">
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<para>Set these configuration keys to configure the Database module to use
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the RabbitMQ message broker:</para>
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<screen><prompt>#</prompt> <userinput>openstack-config --set /etc/trove/trove.conf \
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DEFAULT rpc_backend rabbit</userinput>
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<prompt>#</prompt> <userinput>openstack-config --set /etc/trove/trove-taskmanager.conf \
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DEFAULT rpc_backend rabbit</userinput>
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<prompt>#</prompt> <userinput>openstack-config --set /etc/trove/trove-conductor.conf \
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DEFAULT rpc_backend rabbit</userinput>
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<prompt>#</prompt> <userinput>openstack-config --set /etc/trove/trove.conf DEFAULT \
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rabbit_host <replaceable>controller</replaceable></userinput>
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<prompt>#</prompt> <userinput>openstack-config --set /etc/trove/trove-taskmanager.conf DEFAULT \
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rabbit_host <replaceable>controller</replaceable></userinput>
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<prompt>#</prompt> <userinput>openstack-config --set /etc/trove/trove-conductor.conf DEFAULT \
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rabbit_host <replaceable>controller</replaceable></userinput>
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<prompt>#</prompt> <userinput>openstack-config --set /etc/trove/trove.conf DEFAULT \
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rabbit_password <replaceable>RABBIT_PASS</replaceable></userinput>
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<prompt>#</prompt> <userinput>openstack-config --set /etc/trove/trove-taskmanager.conf DEFAULT \
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rabbit_password <replaceable>RABBIT_PASS</replaceable></userinput>
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<prompt>#</prompt> <userinput>openstack-config --set /etc/trove/trove-conductor.conf DEFAULT \
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rabbit_password <replaceable>RABBIT_PASS</replaceable></userinput></screen>
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</step>
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</substeps>
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</step>
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<step os="opensuse;sles;fedora;rhel;centos;ubuntu">
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<para>Edit the <literal>[filter:authtoken]</literal> section
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of the <filename>api-paste.ini</filename> file so it matches the
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listing shown below:</para>
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<programlisting language="ini">[filter:authtoken]
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auth_host = <replaceable>controller</replaceable>
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auth_port = 35357
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auth_protocol = http
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admin_user = trove
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admin_password = <replaceable>ADMIN_PASS</replaceable>
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admin_token = <replaceable>ADMIN_TOKEN</replaceable>
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admin_tenant_name = service
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signing_dir = /var/cache/trove</programlisting>
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</step>
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<step><para>Edit the <filename>trove.conf</filename> file so it includes
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appropriate values for the default datastore and network label
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regex as shown below:</para>
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<programlisting language="ini">[DEFAULT]
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default_datastore = mysql
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....
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# Config option for showing the IP address that nova doles out
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add_addresses = True
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network_label_regex = ^NETWORK_LABEL$
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....</programlisting>
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</step>
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<step>
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<para>Edit the <filename>trove-taskmanager.conf</filename> file
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so it includes the appropriate service credentials required to
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connect to the OpenStack Compute service as shown below:</para>
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<programlisting language="ini">[DEFAULT]
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....
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# Configuration options for talking to nova via the novaclient.
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# These options are for an admin user in your keystone config.
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# It proxy's the token received from the user to send to nova via this admin users creds,
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# basically acting like the client via that proxy token.
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nova_proxy_admin_user = admin
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nova_proxy_admin_pass = <replaceable>ADMIN_PASS</replaceable>
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nova_proxy_admin_tenant_name = service
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...</programlisting>
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</step>
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<step os="opensuse;sles;fedora;rhel;centos;ubuntu">
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<para>Prepare the trove admin database:</para>
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<screen><prompt>$</prompt> <userinput>mysql -u root -p</userinput>
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<prompt>mysql></prompt> <userinput>CREATE DATABASE trove;</userinput>
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<prompt>mysql></prompt> <userinput>GRANT ALL PRIVILEGES ON trove.* TO trove@'localhost' IDENTIFIED BY 'TROVE_DBPASS';</userinput>
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<prompt>mysql></prompt> <userinput>GRANT ALL PRIVILEGES ON trove.* TO trove@'%' IDENTIFIED BY 'TROVE_DBPASS';</userinput></screen>
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</step>
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<step os="opensuse;sles;fedora;rhel;centos;ubuntu">
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<para>Prepare the Database service:</para>
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<substeps>
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<step>
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<para>Initialize the database:</para>
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<screen><prompt>#</prompt> <userinput>su -s /bin/sh -c "trove-manage db_sync" trove</userinput></screen>
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</step>
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<step>
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<para>Create a datastore. You need to create a separate datastore for
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each type of database you want to use, for example, MySQL, MongoDB, Cassandra.
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This example shows you how to create a datastore for a MySQL database:</para>
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<screen><prompt>#</prompt> <userinput>su -s /bin/sh -c "trove-manage datastore_update mysql ''" trove</userinput></screen>
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</step>
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</substeps>
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</step>
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<step os="debian">
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<para>Create a datastore. You need to create a separate datastore for
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each type of database you want to use, for example, MySQL, MongoDB, Cassandra.
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This example shows you how to create a datastore for a MySQL database:</para>
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<screen><prompt>#</prompt> <userinput>su -s /bin/sh -c "trove-manage datastore_update mysql ''" trove</userinput></screen>
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</step>
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<step>
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<para>Create a trove image.</para>
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<para>Create an image for the type of database you want to use,
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for example, MySQL, MongoDB, Cassandra.</para>
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<para>This image must have the trove guest agent installed, and
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it must have the <filename>trove-guestagent.conf</filename> file
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configured to connect to your OpenStack environment. To
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correctly configure the
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<filename>trove-guestagent.conf</filename> file, follow these steps
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on the guest instance you are using to build your image:</para>
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<substeps>
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<step>
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<para>Add the following lines to <filename>trove-guestagent.conf</filename>:</para>
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<programlisting language="ini">rabbit_host = <replaceable>controller</replaceable>
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rabbit_password = <replaceable>RABBIT_PASS</replaceable>
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nova_proxy_admin_user = admin
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nova_proxy_admin_pass = <replaceable>ADMIN_PASS</replaceable>
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nova_proxy_admin_tenant_name = service
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trove_auth_url = http://<replaceable>controller</replaceable>:35357/v2.0</programlisting>
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</step>
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</substeps>
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</step>
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<step>
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<para>Update the datastore to use the new image, using the
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<command>trove-manage</command> command.</para>
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<para>This example shows you how to create a MySQL 5.5 datastore:</para>
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<screen><prompt>#</prompt> <userinput>trove-manage --config-file=/etc/trove/trove.conf datastore_version_update \
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mysql mysql-5.5 mysql <replaceable>glance_image_ID</replaceable> mysql-server-5.5 1</userinput></screen>
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</step>
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<step os="rhel;centos;fedora;opensuse;sles;ubuntu">
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<para>You must register the Database module with the Identity service so
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that other OpenStack services can locate it. Register the
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service and specify the endpoint:</para>
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<screen><prompt>$</prompt> <userinput>keystone service-create --name=trove --type=database \
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--description="OpenStack Database Service"</userinput>
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<prompt>$</prompt> <userinput>keystone endpoint-create \
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--service-id=$(keystone service-list | awk '/ trove / {print $2}') \
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--publicurl=http://<replaceable>controller</replaceable>:8779/v1.0/%\(tenant_id\)s \
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--internalurl=http://<replaceable>controller</replaceable>:8779/v1.0/%\(tenant_id\)s \
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--adminurl=http://<replaceable>controller</replaceable>:8779/v1.0/%\(tenant_id\)s</userinput></screen>
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</step>
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<step os="rhel;centos;fedora;opensuse;sles;ubuntu">
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<para os="centos;fedora;rhel;opensuse;sles">Start Database
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services and configure them to start when the system
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boots:</para>
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<para os="ubuntu">Restart Database services:</para>
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<screen os="ubuntu"><prompt>#</prompt> <userinput>service trove-api restart</userinput>
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<prompt>#</prompt> <userinput>service trove-taskmanager restart</userinput>
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<prompt>#</prompt> <userinput>service trove-conductor restart</userinput></screen>
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<screen os="centos;rhel;fedora;opensuse;sles"><prompt>#</prompt> <userinput>service openstack-trove-api start</userinput>
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<prompt>#</prompt> <userinput>service openstack-trove-taskmanager start</userinput>
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<prompt>#</prompt> <userinput>service openstack-trove-conductor start</userinput>
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<prompt>#</prompt> <userinput>chkconfig openstack-trove-api on</userinput>
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<prompt>#</prompt> <userinput>chkconfig openstack-trove-taskmanager on</userinput>
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<prompt>#</prompt> <userinput>chkconfig openstack-trove-conductor on</userinput></screen>
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</step>
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</procedure>
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</section>
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