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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:
+ 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: [servers, Controller]}
+ 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: [servers, Compute]}
+ config: {get_resource: RandomConfig}
+ actions: ['CREATE'] # Only do this on CREATE
+ input_values:
+ random_value: {get_attr: [Random, value]}