Your tenant can now create the heat template in openstack, enter the values of the required heat parameters, and deploy the heat stack. Openstack heat jumpstarts sdn learning, but still needs work. Heat provides users the ability to define their applications in terms of templates. The information contained herein is subject to change without notice. Overview in this article we will look at how ansible can be leveraged within openstack to provide enhanced capabilities around software deployment. This command is provided by the pythonheatclient plugin. Deployment is about installing and configuring the application after the infrastructure exists. Openstack installation and configuration jamalshahverdiev.
Application software configuration using heat youtube. Nov 07, 2014 like the other openstack command line clients, the heat client needs to have access to your account credentials, which you normally have in a openrc file. The ininstance agent has to signal back to the heat engine when configuration for a software component is done or has failed so that the state of the software component in a stack can. Apr 12, 2015 cloud providers have been using automation for heat based applications for a few years, and support for them in murano has been a high priority. Like the other openstack command line clients, the heat client needs to have access to your account credentials, which you normally have in a openrc file. This executes a software configuration, which is the software configuration from the customextraconfig resource. When the heat stack is deployed, the configuration is pushed to citrix adm, and the required citrix adc instances are configured. The configuration of openstack is consists of one controller and three compute nodes with centos7. Heat provides a template based orchestration for describing a cloud application by executing appropriate openstack api calls to generate running cloud applications a heat template describes the infrastructure for a cloud application in text files which are readable and writable by humans, and can be managed by version control tools. How to deploy docker containers with openstack heat. Deploying kubernetes on openstack using heat ales nosek.
Heat mistral aodh solum masakari senlin zaqar blazar version 2019. An os heatsoftwareconfig resource this encapsulates the config to. Below is the software configuration we used in our experimental environment. In this section, were going to more or less follow the instructions found in the chapter openstack heat of the kubernetes documentation when. Openstack heat open source projects from openstack. Maya shiran and xiao gao in this blog post i will talk about the automation and orchestration of configuration that can be done via the heat automation and orchestration program that comes with openstack and vio vmware integrated openstack.
Our service runs upstream openstack heat code with only a few slight modifications to ensure a positive customer. Heat is a service to orchestrate multiple composite cloud applications using templates, through both an openstacknative rest api and a cloudformationcompatible. This directory has environment files which each declare a resource type heat installconfigagent. Cloud orchestration is based on the openstack heat project. The solution includes hpe synergy, a single intelli gent composable infrastructure that transforms rigid physical systems to flexible virtual resource pools so all resources are instantly available to run the red hat openstack platform based on private cloud. Openstack stein delivers core functionality for kubernetes users. Our service runs upstream openstack heat code with only a few slight modifications to ensure a positive customer experience on our cloud. Heat primarily manages infrastructure, but the templates integrate well with software configuration management tools such as puppet and ansible.
Software configuration for heat involves defining units of work components that need to be executed on compute resources whenever that resource is created or updated. Kubernetes is the number one container orchestration framework running on openstack, with 61% of openstack deployments indicating they integrate the two platforms, according to the 2018 openstack user survey. Operators can customise the capabilities of heat by installing plugins. Ansible is developed to configuring the infrastructure after provisioning, this includes activities like installing libraries and setting up a specific runtime environment. Openstack configuration tools are not full sdn, in that theyre not designed to configure baremetal hardware in support of all openstack elements. Until the icehouse release of heat, configuring software on orchestrated compute resources has required a cumbersome. Until the icehouse release of heat, configuring software on orchestrated compute resources. Welcome back, here we will continue with the second part of my post, where we will work with red hat cloudforms.
Application software configuration using heat openstack. Application software configuration using heat features red hats steve baker. The orchestration is described in details with easy to follow, step by step. Heat is an openstack service that handles the orchestration of complex deployments on top of openstack clouds. Generic software config rackspace developer portal. As the first step toward application provisioning with murano, heat delivered the hot software configuration feature in the openstack icehouse release. It implements an orchestration engine to launch multiple composite cloud applications based on yaml or json templates. Path to software config scriptdatagroup group name of tool expected by the software config. No matter what software configuration tools heat provides, itll get eaten alive by ansible in this regard. We would like to recommend the latest docker to be used in your environment. Heat is a service to orchestrate multiple composite cloud applications using templates, through both an openstack native rest api and a cloudformationcompatible query api. This executes a software configuration, which is the software configuration from the customextraconfigpre resource.
A heat template describes the infrastructure for a cloud application in text files which are readable and writable by humans, and can be managed by version control tools. Advanced overcloud customization red hat openstack platform. Openstackheatinstallationopenstackheatinstallation. This documentation offers information aimed at endusers, operators and developers of heat. If you remember, in our first post we spoke about red hat. Heat also includes software deployment resources which allow you to deploy software to nova servers and link together the configuration of the various deployments in a similar way to juju. Figure 1 illustrates the apilevel interaction between openstack and contrail configuration. Note for more information about creating service packages and other pre configuration tasks in citrix adm and openstack, see integrating citrix adm with openstack platform. Openstackhelm openstackansible openstackchef openstacklifecyclemanagement deployment lifecycle tools rpm puppet containers loci, kolla.
Jun 14, 2016 heat is designed to capture details related to infrastructure and accommodate provisioning of that infrastructure on openstack. All the examples that i showed you were simple and not terribly useful, as they were only intended to introduce the structure of the hot heat orchestration template syntax. The solution includes hpe synergy, a single intelli gent composable infrastructure that transforms. Software components in a heat template should follow the same lifecycleawareness and allow for users to provide configuration hooks for the aforementioned actions. The heat plugin uses this information to contact citrix adm to import stylebooks as heat resources in openstack. The important point is that this will be done implicitly without the template writer having to define signaling. The heat software configuration resources can be combined with a server agent and hooks to configure software on servers using a variety of techniques. Dec 03, 2018 no matter what software configuration tools heat provides, itll get eaten alive by ansible in this regard. May 14, 2014 application software configuration using heat features red hats steve baker. Heat primarily manages infrastructure, but the templates integrate well with software configuration management tools such as puppet and chef. Problem description with the current design of heat software orchestration, software components defined through softwareconfig resources allow for only one configuration e. In the previous article, i gave you an introduction to heat orchestration.
Heat orchestration template hot guide status writing a hello. Nov 14, 2014 welcome to the second part of my series on openstack orchestration with heat. Contrail cloud integration with openstack overview. Bootstrapping software config rackspace developer portal. For the examples in this article i assume that you have imported your openrc credentials into the environment, so that there is no need to include credentials as command line arguments. Magnum uses heat to orchestrate an os image which contains docker and kubernetes and runs that image in either virtual machines or bare metal in a cluster configuration. Openstack heat is the obvious choice for automating provisioning. It is proposed to make software components defined through softwarecomponent and softwaredeployment resources lifecylceactionaware by allowing users to provide configuration scripts for one software component for all standard heat lifecycle actions create, delete, suspend, resume, update.
Integrate with openstack heat services citrix docs. Heat integrates with other openstack services and provides the brains, that bring openstack powered cloud to life. Openstack heat and ansible were designed to do different things, although in the opensource tradition, they have been extended to accommodate some overlapping. After that use ansibles openstack dynamic inventory plugin to fetch the connection details of the newly deployed instances. Cloudformation does the same thing in aws and terraform is an abstraction that has providers for both openstack and aws and many others. Cloud providers have been using automation for heatbased applications for a few years, and support for them in murano has been a high priority. Hpe reference architecture for red hat openstack platform on. It provides a flexible architecture to deploy applications. Other softwareconfig hooks are available in the openstackheattemplates. Vmware integrated openstack installation and configuration guide vmware, inc. Heat is the service for orchestrating resources in an openstack deployment.
Advanced overcloud customization red hat openstack. Openstack is a free open standard cloud computing platform, mostly deployed as infrastructureasaservice iaas in both public and private clouds where virtual servers and other resources. The heatapi component provides an openstacknative rest api that processes api requests by sending them to the heatengine over rpc. The heatapicfn component provides an awsstyle query api that is compatible with aws cloudformation and processes api requests by sending them to the heatengine over rpc. Magnum uses heat to orchestrate an os image which contains docker and kubernetes and runs that image in either virtual machines. The heat team is working on providing even better integration between infrastructure and software.
Hpe reference architecture for red hat openstack platform. Heat provides a template based orchestration for describing a cloud application by executing appropriate openstack api calls to generate running cloud applications. In this post, im going to provide an overview of heats software configuration resources, as a. In generic software config, we used the same mechanism to bootstrap our clean instance using a template provided by the openstack heat project.
The osheatsoftwareconfig resource is another way to configure a server. Aug 20, 2015 the information contained herein is subject to change without notice. Software configuration image building userdata boot. The orchestration is described in details with easy to follow, step by step instructions to make it suitable for all including the beginners. Stack overflow for teams is a private, secure spot for you and your coworkers to find and share information. Operators can customise the capabilities of heat by. Each component needs to be able to specify the following. Actionaware software configuration heatspecs f441884. Besides, it will give you an indepth guide on how to flawlessly install docker containers with openstack heat. Experimenting with openstack sahara on docker containers. Orchestration basically manages the infrastructure.
Dec 26, 2017 this blog post was created by anil gupta. Kubernetes is the number one container orchestration framework running on openstack, with 61% of openstack deployments. You can create, edit, update, and delete full stack configurations by using the cloud control panel, the cloud orchestration api, or a command. Openstack software layered on in order to create the foundation for a robust solution. It is proposed to make software components defined through softwarecomponent and softwaredeployment resources lifecylceactionaware by allowing. A heat template can define the entire infrastructure and software deployment of an application, though it can also be broken down into logical units where. Heat agents are python hooks for deploying software configurations using heat. Openstack heat and ansible automation born in the cloud. Magnum is an openstack api service developed by the openstack containers team making container orchestration engines such as docker swarm, kubernetes, and apache mesos available as first class resources in openstack. The ininstance agent has to signal back to the heat engine when configuration for a software component is done or has failed so that the state of the software component in a stack can be updated see implementation requirements. How to deploy docker containers with openstack heat hostadvice. Openstack stein openstack is open source software for.