OpenStack Heat slides
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Heat is an OpenStack project that orchestrates multiple cloud applications and their environments. It uses templates that define cloud resources and allows deploying and updating stacks of resources. Heat integrates with other OpenStack services like Nova, Glance, and Neutron and uses standards like AWS CloudFormation and TOSCA. The Heat architecture uses an API, engine, and metadata service to deploy stacks defined in templates across OpenStack. Heat also provides a command line interface and tools like Heat-jeos to build images.
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OpenStack Orchestration with Heat
The document summarizes an OpenStack meetup agenda that included updates on OpenStack and a presentation on OpenStack Orchestration (Heat). The OpenStack updates section mentioned several companies joining or collaborating with the OpenStack foundation. The OpenStack Orchestration section provided an overview of the Heat project, its components, template structure using HOT or CFN, resource types, and major Heat releases. It concluded with resources for learning more about Heat.
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OpenStack Orchestration (Heat)
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Orchestration across multiple cloud platforms using Heat
Orchestration across multiple Cloud platforms using HEAT can be achieved through Heat's support of:
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3) The ability to execute HOT templates through a standalone Heat deployment to remote OpenStack installations.
Heat - keep the clouds up
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Eric Williams (Rackspace) - Using Heat on OpenStack
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Video: https://www.youtube.com/watch?v=EY-yNymyiIA
Join DevOps Exchange London here: http://www.meetup.com/DevOps-Exchange-London
Follow DOXLON on twitter http://www.twitter.com/doxlon
Recommended
OpenStack Orchestration with Heat
The document summarizes an OpenStack meetup agenda that included updates on OpenStack and a presentation on OpenStack Orchestration (Heat). The OpenStack updates section mentioned several companies joining or collaborating with the OpenStack foundation. The OpenStack Orchestration section provided an overview of the Heat project, its components, template structure using HOT or CFN, resource types, and major Heat releases. It concluded with resources for learning more about Heat.
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Video: https://www.youtube.com/watch?v=EY-yNymyiIA
Join DevOps Exchange London here: http://www.meetup.com/DevOps-Exchange-London
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- 2. Agenda • Standards used in Heat • Heat Overview & Roadmap • Heat basic architecture & CLI • JeOS & Heat-jeos CLI • Heat installation & running • CloudFormation Template
- 3. Standards used in Heat • AWS CloudFormation • TOSCA Topology and Orchestration Specification for Cloud Applications
- 4. Heat Overview • Orchestrating (by stacks, updating running stacks) • Resource management • CloudFormation templates • Integrates well with Puppet and Chef • Very active community of 9 developers from Red Hat
- 5. Heat Roadmap (Folsom) • Complete integration with Common, Glance, Keystone, Swift, and Nova • Complete implementation of the AWS CloudFormation and CloudWatch API • Instance and application HA • Autoscaling • Nested Stacks
- 6. Heat basic architecture AMPQ Heat API Heat MetadataHeat Engine DB OpenStack Stack VM VM VM RPC
- 7. Heat basic architecture AMPQ Heat API Heat MetadataHeat Engine DB OpenStack Stack VM VM VM RPC
- 8. Heat basic architecture AMPQ Heat API Heat MetadataHeat Engine DB OpenStack Stack VM VM VM RPC
- 9. Heat basic architecture AMPQ Heat API Heat MetadataHeat Engine DB OpenStack Stack VM VM VM RPC
- 10. Heat command line heat <command> [options] [args] • create • delete • describe • update • event-list • list • gettemplate • estimate-template-cost • validate • resource • resource-list • resource-list-details
- 11. JeOS • Typically, a JeOS consist of the following: OS core OS Minimum maintenance tools Minimum user space tools Packages repository Heat-jeos tool builds virtual machine images to use with Heat. git clone git://github.com/ heat-api/heat-jeos.git cd heat-jeos sudo python setup.py install.sh
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- 14. Running Heat source openrc heat service heat list <ListStacksResponse> <ListStacksResult> <StackSummaries/> </ListStacksResult> </ListStacksResponse>
- 15. Preparing Nova for running stacks nova keypair-add heat_key Launching a stack heat -d create teststack --template-file=WordPress_SI.template --parameters="InstanceType=m1.large; DBUsername=wp; DBPassword=password; KeyName=heat_key; LinuxDistribution=F16"
- 16. If everything is nice <CreateStackResponse> <CreateStackResult> <StackId>arn:openstack:heat: :service:stacks/teststack/1</StackId> </CreateStackResult> </CreateStackResponse> ---------------------------------------- heat describe teststack <a lot of info…>
- 17. If something goes wrong <StackStatusReason> Resource Instance "WikiDatabase" failed with: nova reported unexpected instance[WikiDatabase] status[ERROR] </StackStatusReason> … <StackStatus> CREATE_FAILED </StackStatus>
- 18. Anatomy of a CloudFormation Template • Description • Parameters • Mappings • Resources • Outputs
- 19. Useful links • http://heat-api.org/ • https://github.com/heat-api/heat/wiki • https://github.com/heat-api/heat-jeos