105 lines
2.6 KiB
YAML
105 lines
2.6 KiB
YAML
heat_template_version: 2013-05-23
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###################################################################
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# The example is designed to demo how software deployment to handle
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# dependencies.
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#
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# The scenario:
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# deployment_c -- hosted on --> server_a
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# | (explicit depends on via depends_on property)
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# deployment_b -- hosted on --> server_b
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# | (implicit depends on via get_attr in input_values property)
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# deployment_a -- hosted on --> server_a
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#
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# So the right deployment sequence should be:
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# deployment_a (server_a)
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# -->
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# deployment_b (server_b)
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# -->
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# deployment_c (back to server_a)
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#
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# How to deploy the sample:
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#
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# 1. Create on image with element heat-config-script in
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# 2. openstack stack create -t example-deploy-sequence.yaml sequence
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# 3. openstack stack show sequence
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###################################################################
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parameters:
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key_name:
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type: string
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default: heat_key
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flavor:
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type: string
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default: m1.small
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image:
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type: string
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default: fedora-amd64
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resources:
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config:
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type: OS::Heat::SoftwareConfig
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properties:
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inputs:
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- name: previous
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default: 'NONE'
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group: script
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config: |
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#!/bin/bash
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echo "Previous: $previous"
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echo "${deploy_resource_name} is running on $(hostname) at $(date)"
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deployment_a:
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type: OS::Heat::SoftwareDeployment
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properties:
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config:
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get_resource: config
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server:
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get_resource: server_a
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deployment_b:
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type: OS::Heat::SoftwareDeployment
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properties:
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input_values:
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previous:
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get_attr: [deployment_a, deploy_stdout]
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config:
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get_resource: config
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server:
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get_resource: server_b
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deployment_c:
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type: OS::Heat::SoftwareDeployment
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depends_on: deployment_b
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properties:
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input_values:
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previous: 'deployment_b'
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config:
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get_resource: config
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server:
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get_resource: server_a
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server_a:
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type: OS::Nova::Server
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properties:
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image:
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get_param: image
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flavor:
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get_param: flavor
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key_name:
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get_param: key_name
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user_data_format: SOFTWARE_CONFIG
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server_b:
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type: OS::Nova::Server
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properties:
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image:
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get_param: image
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flavor:
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get_param: flavor
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key_name:
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get_param: key_name
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user_data_format: SOFTWARE_CONFIG
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outputs:
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deployment_a_stdout:
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value:
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get_attr: [deployment_a, deploy_stdout]
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deployment_b_stdout:
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value:
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get_attr: [deployment_b, deploy_stdout]
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deployment_c_stdout:
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value:
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get_attr: [deployment_c, deploy_stdout]
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