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heat_template_version: 2014-10-16
description: >
Example extra config for cluster config
this example deploys a random string to all controller and compute
nodes, showing how data may be shared amongst nodes, vs the
other ExtraConfig interfaces which act only on individual nodes.
# Parameters passed from the parent template - note if you maintain
# out-of-tree templates they may require additional parameters if the
# in-tree templates add a new role.
parameters:
controller_servers:
type: json
compute_servers:
type: json
blockstorage_servers:
type: json
objectstorage_servers:
type: json
cephstorage_servers:
type: json
# Note extra parameters can be defined, then passed data via the
# environment parameter_defaults, without modifying the parent template
resources:
Random:
type: OS::Heat::RandomString
RandomConfig:
type: OS::Heat::SoftwareConfig
properties:
group: script
inputs:
- name: random_value
config: |
#!/bin/sh
echo $random_value > /root/random_value
RandomDeploymentsController:
type: OS::Heat::SoftwareDeployments
properties:
name: RandomDeploymentsController
servers: {get_param: controller_servers}
config: {get_resource: RandomConfig}
actions: ['CREATE'] # Only do this on CREATE
input_values:
random_value: {get_attr: [Random, value]}
RandomDeploymentsCompute:
type: OS::Heat::SoftwareDeployments
properties:
name: RandomDeploymentsCompute
servers: {get_param: compute_servers}
config: {get_resource: RandomConfig}
actions: ['CREATE'] # Only do this on CREATE
input_values:
random_value: {get_attr: [Random, value]}
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