250 lines
13 KiB
XML
250 lines
13 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<section xmlns="http://docbook.org/ns/docbook"
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xmlns:xi="http://www.w3.org/2001/XInclude"
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xmlns:xlink="http://www.w3.org/1999/xlink"
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version="5.0"
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xml:id="trove-install">
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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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<itemizedlist>
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<listitem>
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<para>If you want to do backup and restore, you also need Object Storage.</para>
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</listitem>
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<listitem>
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<para>If you want to provision datastores on block-storage volumes, you also need Block Storage.</para>
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</listitem>
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</itemizedlist>
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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 linkend="debconf-dbconfig-common">database management</link> and <link linkend="debconf-keystone_authtoken"><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></userinput>
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<prompt>$</prompt> <userinput>keystone user-role-add --user trove --tenant service --role admin</userinput></screen>
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<para>Replace <replaceable>TROVE_PASS</replaceable> with a
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suitable password.</para>
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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>
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<para>Configure the Database module to use the RabbitMQ message broker by
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setting the following options 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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rpc_backend = rabbit
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rabbit_host = <replaceable>controller</replaceable>
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rabbit_password = <replaceable>RABBIT_PASS</replaceable></programlisting>
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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 os="fedora;rhel;centos">Get the <filename>api-paste.ini</filename> file and save it to <filename>/etc/trove</filename>. You can get the file from this location:</para>
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<para os="fedora;rhel;centos"><link xlink:href="http://git.openstack.org/cgit/openstack/trove/plain/etc/trove/api-paste.ini?h=juno-eol">http://git.openstack.org/cgit/openstack/trove/plain/etc/trove/api-paste.ini?h=juno-eol</link></para>
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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_uri = http://<replaceable>controller</replaceable>:5000/v2.0
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identity_uri = http://<replaceable>controller</replaceable>:35357
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admin_user = trove
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admin_password = <replaceable>ADMIN_PASS</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, network label
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regex, and API information 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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....
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api_paste_config = /etc/trove/api-paste.ini</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 required settings 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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taskmanager_manager = trove.taskmanager.manager.Manager
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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' \
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IDENTIFIED BY '<replaceable>TROVE_DBPASS</replaceable>';</userinput>
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<prompt>mysql></prompt> <userinput>GRANT ALL PRIVILEGES ON trove.* TO trove@'%' \
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IDENTIFIED BY '<replaceable>TROVE_DBPASS</replaceable>';</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 \
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--region regionOne</userinput></screen>
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</step>
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<step os="ubuntu;debian">
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<para>Restart the Database services:</para>
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<screen><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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</step>
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<step os="rhel;centos;fedora;sles;opensuse">
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<para>Start the Database services and configure them to start when the
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system boots:</para>
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<screen os="centos;rhel;fedora"><prompt>#</prompt> <userinput>systemctl enable openstack-trove-api.service openstack-trove-taskmanager.service \
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openstack-trove-conductor.service</userinput>
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<prompt>#</prompt> <userinput>systemctl start openstack-trove-api.service openstack-trove-taskmanager.service \
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openstack-trove-conductor.service</userinput></screen>
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<para os="sles">On SLES:</para>
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<screen os="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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<para os="opensuse">On openSUSE:</para>
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<screen os="opensuse"><prompt>#</prompt> <userinput>systemctl enable openstack-trove-api.service openstack-trove-taskmanager.service \
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openstack-trove-conductor.service</userinput>
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<prompt>#</prompt> <userinput>systemctl start openstack-trove-api.service openstack-trove-taskmanager.service \
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openstack-trove-conductor.service</userinput></screen>
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</step>
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</procedure>
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</section>
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