What is heat service in OpenStack?
Heat is a service to orchestrate composite cloud applications using a declarative template format through an OpenStack-native REST API.
What is heat-api-CFN in OpenStack?
heat-api-cfn is a service that exposes an external REST based api to the heat-engine service. The communication between the heat-api-cfn and heat-engine uses message queue based RPC.
What is Heatstack?
Stack: In Heat parlance, a stack is the collection of objects—or resources—that will be created by Heat. This might include instances (VMs), networks, subnets, routers, ports, router interfaces, security groups, security group rules, auto-scaling rules, etc. Template: Heat uses the idea of a template to define a stack.
Which of the following provides an AWS style query api a heat-api-CFN?
heat-api-cfn: this component provides an AWS-style Query API that is compatible with AWS CloudFormation and process the requests and send them to the heat-engine.
What is heat orchestration template?
Heat Orchestration Template (HOT) specification¶ HOT is a new template format meant to replace the Heat CloudFormation-compatible format (CFN) as the native format supported by the Heat over time.
What is OpenStack orchestration?
The Orchestration service provides a template-based orchestration for describing a cloud application by running OpenStack API calls to generate running cloud applications. The software integrates other core components of OpenStack into a one-file template system.
What is OpenStack Ceilometer?
What is Ceilometer in OpenStack? In meteorology, a ceilometer is a device that uses a laser or other light source to learn the height of a cloud base. Thus, the Openstack Ceilometer project is a framework for monitoring and metering the OpenStack cloud and is also expandable to suit other needs.
What is the core orchestration component with OpenStack?
Heat. Heat is the orchestration component of OpenStack, which allows developers to store the requirements of a cloud application in a file that defines what resources are necessary for that application. In this way, it helps to manage the infrastructure needed for a cloud service to run.
Which component is responsible for message queue in OpenStack?
Messaging is used for internal communication between several OpenStack services. By default, OpenStack uses message queues based on the AMQP. Like most OpenStack services, AMQP supports pluggable components. Today the implementation back end could be RabbitMQ, Qpid, or ZeroMQ.
What are OpenStack services?
OpenStack is an open source platform that uses pooled virtual resources to build and manage private and public clouds. The tools that comprise the OpenStack platform, called “projects,” handle the core cloud-computing services of compute, networking, storage, identity, and image services.
What is Sahara OpenStack?
The sahara project aims to provide users with a simple means to provision data processing frameworks (such as Apache Hadoop, Apache Spark and Apache Storm) on OpenStack. This is accomplished by specifying configuration parameters such as the framework version, cluster topology, node hardware details and more.