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+heat_template_version: 2014-10-16
+
+description: >
+ Example extra config for cluster config
+ this example collects the hostname and MAC addresses for each node in
+ the deployment, then distributes that info to all Controller 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:
+
+ CollectMacConfig:
+ type: OS::Heat::SoftwareConfig
+ properties:
+ group: script
+ config: |
+ #!/bin/sh
+ MACS=$(ifconfig | grep ether | awk '{print $2}' | tr "\n" " ")
+ HOSTNAME=$(hostname -s)
+ echo "$HOSTNAME $MACS"
+
+ # FIXME(shardy): Long term it'd be better if Heat SoftwareDeployments accepted
+ # list instead of a map, then we could join the lists of servers into one
+ # deployment instead of requiring one deployment per-role.
+ CollectMacDeploymentsController:
+ type: OS::Heat::SoftwareDeployments
+ properties:
+ servers: {get_param: controller_servers}
+ config: {get_resource: CollectMacConfig}
+ actions: ['CREATE'] # Only do this on CREATE
+
+ CollectMacDeploymentsCompute:
+ type: OS::Heat::SoftwareDeployments
+ properties:
+ servers: {get_param: compute_servers}
+ config: {get_resource: CollectMacConfig}
+ actions: ['CREATE'] # Only do this on CREATE
+
+ CollectMacDeploymentsBlockStorage:
+ type: OS::Heat::SoftwareDeployments
+ properties:
+ servers: {get_param: blockstorage_servers}
+ config: {get_resource: CollectMacConfig}
+ actions: ['CREATE'] # Only do this on CREATE
+
+ CollectMacDeploymentsObjectStorage:
+ type: OS::Heat::SoftwareDeployments
+ properties:
+ servers: {get_param: objectstorage_servers}
+ config: {get_resource: CollectMacConfig}
+ actions: ['CREATE'] # Only do this on CREATE
+
+ CollectMacDeploymentsCephStorage:
+ type: OS::Heat::SoftwareDeployments
+ properties:
+ servers: {get_param: cephstorage_servers}
+ config: {get_resource: CollectMacConfig}
+ actions: ['CREATE'] # Only do this on CREATE
+
+ # Now we distribute all-the-macs to all nodes
+ DistributeMacConfig:
+ type: OS::Heat::SoftwareConfig
+ properties:
+ group: script
+ inputs:
+ - name: controller_mappings
+ - name: compute_mappings
+ - name: blockstorage_mappings
+ - name: objectstorage_mappings
+ - name: cephstorage_mappings
+ config: |
+ #!/bin/sh
+ echo $controller_mappings > /root/controller_mappings
+ echo $compute_mappings > /root/compute_mappings
+ echo $blockstorage_mappings > /root/blockstorage_mappings
+ echo $objectstorage_mappings > /root/objectstorage_mappings
+ echo $cephstorage_mappings > /root/cephstorage_mappings
+ echo "mappings = $(cat /root/*_mappings)"
+
+ DistributeMacDeploymentsController:
+ type: OS::Heat::SoftwareDeployments
+ properties:
+ servers: {get_param: controller_servers}
+ config: {get_resource: DistributeMacConfig}
+ input_values:
+ # FIXME(shardy): It'd be more convenient if we could join these
+ # items together but because the returned format is a map (not a list)
+ # we can't use list_join or str_replace. Possible Heat TODO.
+ controller_mappings: {get_attr: [CollectMacDeploymentsController, deploy_stdouts]}
+ compute_mappings: {get_attr: [CollectMacDeploymentsCompute, deploy_stdouts]}
+ blockstorage_mappings: {get_attr: [CollectMacDeploymentsBlockStorage, deploy_stdouts]}
+ objectstorage_mappings: {get_attr: [CollectMacDeploymentsObjectStorage, deploy_stdouts]}
+ cephstorage_mappings: {get_attr: [CollectMacDeploymentsCephStorage, deploy_stdouts]}
+ actions: ['CREATE'] # Only do this on CREATE
+
+outputs:
+ # This value should change if the configuration data has changed
+ # It is used to e.g re-apply puppet after hieradata values change.
+ config_identifier:
+ value: {get_attr: [DistributeMacDeploymentsController, deploy_stdouts]}
+