Merge "changed heat dev docs to comply with conventions"
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@ -1,5 +1,5 @@
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====
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HEAT
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Heat
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====
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Heat is a service to orchestrate multiple composite cloud applications using
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@ -24,7 +24,7 @@ Build the REST API reference manual:
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cd api-ref
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mvn clean generate-sources
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Build the Heat admin guide:
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Build the heat admin guide:
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cd heat-admin
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mvn clean generate-sources
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@ -11,22 +11,22 @@
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License for the specific language governing permissions and limitations
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under the License.
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How to get Heat to work with a remote OpenStack.
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How to get heat to work with a remote OpenStack.
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================================================
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Say you have a remote/public install of OpenStack and you want to use
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a local install of Heat to talk to it. This can be handy when
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a local install of heat to talk to it. This can be handy when
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developing, as the remote OpenStack can be kept stable and is not
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effected by changes made to the development machine.
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So lets say you have 2 machines:
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* “rock” ip == 192.168.1.88 (used for base OpenStack services)
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* “hack” ip == 192.168.1.77 (used for Heat development)
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* “hack” ip == 192.168.1.77 (used for heat development)
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Install your OpenStack as normal on “rock”.
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In this example "hack" is used as the devstack to install Heat on.
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In this example "hack" is used as the devstack to install heat on.
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The localrc looked like this::
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HEAT_STANDALONE=True
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@ -33,7 +33,7 @@ This guide, using a devstack installation of OpenStack, assumes that:
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1. You have configured devstack from `Single Machine Installation Guide
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<http://devstack.org/guides/single-machine.html>`_;
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2. You have set up Heat on devstack, as defined at `Heat and Devstack
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2. You have set up heat on devstack, as defined at `heat and Devstack
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<http://docs.openstack.org/developer/heat/getting_started/
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on_devstack.html>`_;
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3. You have installed `HAProxy <http://haproxy.1wt.eu>`_ on the devstack
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@ -42,16 +42,16 @@ This guide, using a devstack installation of OpenStack, assumes that:
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Architecture
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============
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This section shows the basic Heat architecture, the load balancing mechanism
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This section shows the basic heat architecture, the load balancing mechanism
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used and the target scaled out architecture.
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Basic Architecture
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------------------
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The Heat architecture is as defined at `Heat Architecture
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The heat architecture is as defined at `heat architecture
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<http://docs.openstack.org/developer/heat/architecture.html>`_ and shown in the
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diagram below, where we have a CLI that sends HTTP requests to the ReST and CFN
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APIs, which in turn make calls using AMQP to the Heat engine.
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APIs, which in turn make calls using AMQP to the heat engine.
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::
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|- [REST API] -|
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@ -64,7 +64,7 @@ Load Balancing
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As there is a need to use a load balancer mechanism between the multiple APIs
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and the CLI, a proxy has to be deployed.
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Because the Heat CLI and APIs communicate by exchanging HTTP requests and
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Because the heat CLI and APIs communicate by exchanging HTTP requests and
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responses, a `HAProxy <http://haproxy.1wt.eu>`_ HTTP load balancer server will
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be deployed between them.
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@ -79,7 +79,7 @@ distribute messages round-robin (RabbitMQ does this by default).
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Target Architecture
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-------------------
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A scaled out Heat architecture is represented in the diagram below:
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A scaled out heat architecture is represented in the diagram below:
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::
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|- [REST-API] -|
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@ -102,8 +102,8 @@ Thus, a request sent from the CLI looks like:
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Deploying Multiple APIs
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=======================
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In order to run a Heat component separately, you have to execute one of the
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python scripts located at the *bin* directory of your Heat repository.
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In order to run a heat component separately, you have to execute one of the
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python scripts located at the *bin* directory of your heat repository.
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These scripts take as argument a configuration file. When using devstack, the
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configuration file is located at */etc/heat/heat.conf*. For instance, to start
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@ -238,7 +238,7 @@ For this sample, consider that:
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1. We have an architecture composed by 3 machines configured in a LAN, with
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the addresses A: 10.0.0.1; B: 10.0.0.2; and C: 10.0.0.3;
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2. The OpenStack devstack installation, including the Heat module, has been
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2. The OpenStack devstack installation, including the heat module, has been
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done in the machine A, as shown in the
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:ref:`scale_deployment_assumptions` section.
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@ -246,7 +246,7 @@ Target Architecture
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^^^^^^^^^^^^^^^^^^^
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At this moment, everything is running in a single devstack server. The next
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subsections show how to deploy a scaling out Heat architecture by:
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subsections show how to deploy a scaling out heat architecture by:
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1. Running one ReST and one CFN API on the machines B and C;
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2. Setting up the HAProxy server on the machine A.
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@ -256,11 +256,11 @@ Running the API and Engine Services
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For each machine, B and C, you must do the following steps:
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1. Clone the Heat repository https://github.com/openstack/heat;
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1. Clone the heat repository https://github.com/openstack/heat;
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2. Create a local copy of the configuration file */etc/heat/heat.conf* from
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the machine A;
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3. Make required changes on the configuration file;
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4. Enter the Heat local repository and run:
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4. Enter the heat local repository and run:
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::
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@ -17,8 +17,8 @@ cfn-json2yaml
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Package lists
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=============
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Lists of Linux packages to install in order to successfully run Heat's
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unit test suit on a clean new Linux distro.
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Lists of Linux packages to install in order to successfully run heat's
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unit test suit on a clean new Linux distribution.
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test-requires-deb
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list of DEB packages as of Ubuntu 14.04 Trusty
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