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
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
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…>
