Add Heat Install
This adds an initial install of heat to the install guide. The commands all work OK on Ubuntu, but actually using it has not been tested yet. Does an include of the sample stack commands from the user guide. Change-Id: I8fda98025753204afc7d0e32f2f571d1f4d8b167
This commit is contained in:
Tom Fifield
Andreas Jaeger
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xmlns:xi="http://www.w3.org/2001/XInclude"
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xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0"
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xml:id="orchestration-service">
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<title>Orchestration Service</title>
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<para>The Orchestration Service provides a template-based
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orchestration for describing a cloud application by running
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OpenStack API calls to generate running cloud applications.
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The software integrates other core components of OpenStack
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into a one-file template system. The templates enable you to
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create most OpenStack resource types, such as instances,
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floating IPs, volumes, security groups, users, and so on.
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Also, provides some more advanced functionality, such as
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instance high availability, instance auto-scaling, and nested
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stacks. By providing very tight integration with other
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OpenStack core projects, all OpenStack core projects could
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receive a larger user base.</para>
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<para>Enables deployers to integrate with the Orchestration
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Service directly or through custom plug-ins.</para>
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<para>The Orchestration Service consists of the following
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<title>Orchestration Service Overview</title>
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<para>The Orchestration service provides a template-based orchestration
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for describing a cloud application by running OpenStack API calls to
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generate running cloud applications. The software integrates other core
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components of OpenStack into a one-file template system. The templates
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enable you to create most OpenStack resource types, such as instances,
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floating IPs, volumes, security groups, users, and so on. Also, provides
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some more advanced functionality, such as instance high availability,
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instance auto-scaling, and nested stacks. By providing very tight
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integration with other OpenStack core projects, all OpenStack core projects
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could receive a larger user base.</para>
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<para>The service enables deployers to integrate with the Orchestration
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service directly or through custom plug-ins.</para>
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<para>The Orchestration service consists of the following
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components:</para>
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<itemizedlist>
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<listitem>
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<para><code>heat</code> tool. A CLI that communicates with
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the heat-api to run AWS CloudFormation APIs. End
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developers could also use the heat REST API
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directly.</para>
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<para><code>heat</code> tool. A CLI that communicates with the
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heat-api to run AWS CloudFormation APIs. End developers could also use
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the Orchestration REST API directly.</para>
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</listitem>
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<listitem>
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<para><code>heat-api</code> component. Provides an
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xmlns:xlink="http://www.w3.org/1999/xlink" version="5.0"
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xml:id="ch_heat">
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<title>Adding Orchestration</title>
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<para>FIXME</para>
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<xi:include href="../common/section_getstart_orchestration.xml" />
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<para>Use the OpenStack Orchestration service to create cloud
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resources using a template language called HOT. The
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integrated project name is Heat.</para>
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<xi:include href="../common/section_getstart_orchestration.xml"/>
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<xi:include href="section_heat-install.xml" />
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<xi:include href="section_heat-verify.xml" />
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</chapter>
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130
doc/install-guide/section_heat-install.xml
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130
doc/install-guide/section_heat-install.xml
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<?xml version="1.0" encoding="utf-8"?>
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<section xml:id="heat-install"
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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" version="5.0">
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<title>Installing the Orchestration Service</title>
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<procedure>
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<step>
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<para>Install the Orchestration Service on the controller node:</para>
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<screen os="ubuntu;deb"><prompt>#</prompt> <userinput>apt-get install heat-api heat-api-cfn</userinput></screen>
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<screen os="rhel;centos;fedora"><prompt>#</prompt> <userinput>yum install openstack-heat-api FIXME</userinput></screen>
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<screen os="opensuse"><prompt>#</prompt> <userinput>zypper install openstack-heat-api FIXME</userinput></screen>
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</step>
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<step>
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<para>The Orchestration Service uses a database to store information.
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Specify the location of the database in the configuration file.
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In this guide, we use a MySQL database on the controller node
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with the username <literal>heat</literal>. Replace
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<literal><replaceable>HEAT_DBPASS</replaceable></literal>
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with a suitable password for the database user.</para>
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<screen os="rhel;centos;fedora;opensuse"><prompt>#</prompt> <userinput>openstack-config --set /etc/heat/heat.conf \
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DEFAULT sql_connection mysql://heat:<replaceable>HEAT_DBPASS</replaceable>@controller/heat</userinput></screen>
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<para os="ubuntu">Edit <filename>/etc/heat/heat.conf</filename> and change the <literal>[DEFAULT]</literal> section.</para>
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<programlisting os="ubuntu" language="ini">
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[DEFAULT]
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# The SQLAlchemy connection string used to connect to the database
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sql_connection = mysql://heat:HEAT_DBPASS@controller/heat
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...
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</programlisting>
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</step>
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<step os="rhel;centos;fedora;opensuse">
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<para>Use the <command>openstack-db</command> command to create the
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database and tables, as well as a database user called
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<literal>keystone</literal> to connect to the database. Replace
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<literal><replaceable>HEAT_DBPASS</replaceable></literal>
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with the same password used in the previous step.</para>
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<screen><prompt>#</prompt> <userinput>openstack-db --init --service heat --password <replaceable>HEAT_DBPASS</replaceable></userinput></screen>
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</step>
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<step os="ubuntu">
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<para>First, we need to create a database user called <literal>heat</literal>, by logging in
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as root using the password we set earlier.</para>
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<screen><prompt>#</prompt> <userinput>mysql -u root -p</userinput>
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<prompt>mysql></prompt> <userinput>CREATE DATABASE heat;</userinput>
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<prompt>mysql></prompt> <userinput>GRANT ALL PRIVILEGES ON heat.* TO 'heat'@'localhost' \
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IDENTIFIED BY 'HEAT_DBPASS';</userinput></screen>
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</step>
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<step os="ubuntu">
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<para>We now start the heat service and create its tables.</para>
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<screen><prompt>#</prompt> <userinput>heat-manage db_sync</userinput>
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<prompt>#</prompt> <userinput>service heat-api restart</userinput>
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<prompt>#</prompt> <userinput>service heat-api-cfn restart</userinput></screen>
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</step>
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<step><para>Create a user called <literal>heat</literal> that the Orchestration
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Service can use to 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.</para>
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<screen><prompt>#</prompt> <userinput>keystone user-create --name=heat --pass=<replaceable>HEAT_DBPASS</replaceable> --email=<replaceable>heat@example.com</replaceable></userinput>
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<prompt>#</prompt> <userinput>keystone user-role-add --user=heat --tenant=service --role=admin</userinput></screen></step>
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<step><para>Add the credentials to the Image Service's configuration files.</para>
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<para >Edit <filename>/etc/heat/api-paste.ini</filename>
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and change the <literal>[filter:authtoken]</literal> section.</para>
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<programlisting language="ini">
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...
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[keystone_authtoken]
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paste.filter_factory = heat.common.auth_password:filter_factory
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auth_host = controller
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auth_port = 35357
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auth_protocol = http
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admin_tenant_name = service
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admin_user = heat
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admin_password = HEAT_DBPASS
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...
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</programlisting>
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</step>
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<step><para>Register the Orchestration Service (both Heat and CloudFormation APIs)
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with the Identity Service so that other OpenStack services can locate
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it. Register the service and specify the endpoint using the
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<command>keystone</command> command.</para>
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<screen><prompt>#</prompt> <userinput>keystone service-create --name=heat --type=orchestration \
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--description="Heat Orchestration API"</userinput></screen></step>
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<step><para>Note the service's <literal>id</literal> property returned in the previous step and use it when
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creating the endpoint.</para>
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<screen><prompt>#</prompt> <userinput>keystone endpoint-create \
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--service-id=<replaceable>the_service_id_above</replaceable> \
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--publicurl=http://<replaceable>controller</replaceable>:8004/v1/%\(tenant_id\)s \
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--internalurl=http://<replaceable>controller</replaceable>:8004/v1/%\(tenant_id\)s \
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--adminurl=http://<replaceable>controller</replaceable>:8004/v1/%\(tenant_id\)s</userinput></screen>
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<screen><prompt>#</prompt> <userinput>keystone service-create --name=heat-cfn --type=cloudformation \
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--description="Heat CloudFormation API"</userinput></screen></step>
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<step><para>Note the service's <literal>id</literal> property returned in the previous step and use it when
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creating the endpoint.</para>
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<screen><prompt>#</prompt> <userinput>keystone endpoint-create \
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--service-id=<replaceable>the_service_id_above</replaceable> \
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--publicurl=http://<replaceable>controller</replaceable>:8000/v1 \
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--internalurl=http://<replaceable>controller</replaceable>:8000/v1 \
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--adminurl=http://<replaceable>controller</replaceable>:8000/v1</userinput></screen>
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</step>
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<step os="ubuntu;debian">
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<para>We now restart the service with its new settings.</para>
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<screen><prompt>#</prompt> <userinput>service heat-api restart</userinput>
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<prompt>#</prompt> <userinput>service heat-api-cfn restart</userinput></screen>
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</step>
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<step os="rhel;fedora;centos;opensuse"><para>Start the <literal>heat-api</literal> and
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<literal>heat-api-cfn</literal> services and configure them to
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start when the system boots.</para>
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<screen os="rhel;fedora;centos"><prompt>#</prompt> <userinput>service openstack-heat-api start</userinput>
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<prompt>#</prompt> <userinput>service openstack-heat-api-cfn start</userinput>
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<prompt>#</prompt> <userinput>chkconfig openstack-heat-api on</userinput>
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<prompt>#</prompt> <userinput>chkconfig openstack-heat-api-cfn on</userinput></screen>
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<screen os="opensuse"><prompt>#</prompt> <userinput>systemctl start openstack-heat-api.service</userinput>
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<prompt>#</prompt> <userinput>systemctl start openstack-heat-api-cfn.service</userinput>
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<prompt>#</prompt> <userinput>systemctl enable openstack-heat-api.service</userinput>
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<prompt>#</prompt> <userinput>systemctl enable openstack-heat-api-cfn.service</userinput></screen></step>
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</procedure>
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</section>
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19
doc/install-guide/section_heat-verify.xml
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19
doc/install-guide/section_heat-verify.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<section xml:id="heat-verify"
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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" version="5.0">
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<title>Verifying the Orchestration Service Installation</title>
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<para>To verify the Identity Service is installed and configured
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correctly, first ensure you have your credentials setup correctly
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in an <filename>openrc</filename> file, then source it so your
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environment has the username and password.</para>
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<screen><prompt>#</prompt> <userinput>source openrc</userinput></screen>
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<para>Next you can try creating some stacks, using the samples.</para>
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<xi:include href="../user-guide/section_heat_cli.xml"/>
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</section>
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