As the Juno (2014.2) development cycle ramps up, now is a good time to review the changes we saw in Heat during the preceding Icehouse (2014.1) cycle and have a look at what is coming up next in the pipeline.
The mission of the OpenStack Orchestration program is to create a human- and machine-accessible service for managing the entire lifecycle of infrastructure and applications within OpenStack clouds.
Heat is the main project in the OpenStack Orchestration program. It implements an orchestration engine to launch multiple composite cloud applications based on templates in the form of text files that can be treated like code.
The Orchestration service provides a template-based orchestration for describing a cloud application by running OpenStack API calls to generate running cloud applications.
it is a cloud application, by running open stack API we can generate running cloud applications. The templates allow you to create most OpenStack resource types, such as instances, floating IPs, volumes, security groups and users. It also provides advanced functionality, such as instance high availability, instance auto-scaling, and nested stacks. This enables OpenStack core projects to receive a larger user base.
go through
http://docs.openstack.org/trunk/install-guide/install/apt/content/orchestration-service.html
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