extraconfig/all_nodes/mac_hostname.yaml

   1 heat_template_version: 2014-10-16
   2
   3 description: >
   4   Example extra config for cluster config
   5   this example collects the hostname and MAC addresses for each node in
   6   the deployment, then distributes that info to all Controller nodes.
   7
   8 # Parameters passed from the parent template - note if you maintain
   9 # out-of-tree templates they may require additional parameters if the
  10 # in-tree templates add a new role.
  11 parameters:
  12   controller_servers:
  13     type: json
  14   compute_servers:
  15     type: json
  16   blockstorage_servers:
  17     type: json
  18   objectstorage_servers:
  19     type: json
  20   cephstorage_servers:
  21     type: json
  22 # Note extra parameters can be defined, then passed data via the
  23 # environment parameter_defaults, without modifying the parent template
  24
  25 resources:
  26
  27   CollectMacConfig:
  28     type: OS::Heat::SoftwareConfig
  29     properties:
  30       group: script
  31       config: |
  32         #!/bin/sh
  33         MACS=$(ifconfig  | grep ether | awk '{print $2}' | tr "\n" " ")
  34         HOSTNAME=$(hostname -s)
  35         echo "$HOSTNAME $MACS"
  36
  37   # FIXME(shardy): Long term it'd be better if Heat SoftwareDeployments accepted
  38   # list instead of a map, then we could join the lists of servers into one
  39   # deployment instead of requiring one deployment per-role.
  40   CollectMacDeploymentsController:
  41     type: OS::Heat::SoftwareDeployments
  42     properties:
  43       servers:  {get_param: controller_servers}
  44       config: {get_resource: CollectMacConfig}
  45       actions: ['CREATE'] # Only do this on CREATE
  46
  47   CollectMacDeploymentsCompute:
  48     type: OS::Heat::SoftwareDeployments
  49     properties:
  50       servers:  {get_param: compute_servers}
  51       config: {get_resource: CollectMacConfig}
  52       actions: ['CREATE'] # Only do this on CREATE
  53
  54   CollectMacDeploymentsBlockStorage:
  55     type: OS::Heat::SoftwareDeployments
  56     properties:
  57       servers:  {get_param: blockstorage_servers}
  58       config: {get_resource: CollectMacConfig}
  59       actions: ['CREATE'] # Only do this on CREATE
  60
  61   CollectMacDeploymentsObjectStorage:
  62     type: OS::Heat::SoftwareDeployments
  63     properties:
  64       servers:  {get_param: objectstorage_servers}
  65       config: {get_resource: CollectMacConfig}
  66       actions: ['CREATE'] # Only do this on CREATE
  67
  68   CollectMacDeploymentsCephStorage:
  69     type: OS::Heat::SoftwareDeployments
  70     properties:
  71       servers:  {get_param: cephstorage_servers}
  72       config: {get_resource: CollectMacConfig}
  73       actions: ['CREATE'] # Only do this on CREATE
  74
  75   # Now we distribute all-the-macs to all nodes
  76   DistributeMacConfig:
  77     type: OS::Heat::SoftwareConfig
  78     properties:
  79       group: script
  80       inputs:
  81       - name: controller_mappings
  82       - name: compute_mappings
  83       - name: blockstorage_mappings
  84       - name: objectstorage_mappings
  85       - name: cephstorage_mappings
  86       config: |
  87         #!/bin/sh
  88         echo $controller_mappings > /root/controller_mappings
  89         echo $compute_mappings > /root/compute_mappings
  90         echo $blockstorage_mappings > /root/blockstorage_mappings
  91         echo $objectstorage_mappings > /root/objectstorage_mappings
  92         echo $cephstorage_mappings > /root/cephstorage_mappings
  93         echo "mappings = $(cat /root/*_mappings)"
  94
  95   DistributeMacDeploymentsController:
  96     type: OS::Heat::SoftwareDeployments
  97     properties:
  98       servers:  {get_param: controller_servers}
  99       config: {get_resource: DistributeMacConfig}
 100       input_values:
 101         # FIXME(shardy): It'd be more convenient if we could join these
 102         # items together but because the returned format is a map (not a list)
 103         # we can't use list_join or str_replace.  Possible Heat TODO.
 104         controller_mappings: {get_attr: [CollectMacDeploymentsController, deploy_stdouts]}
 105         compute_mappings: {get_attr: [CollectMacDeploymentsCompute, deploy_stdouts]}
 106         blockstorage_mappings: {get_attr: [CollectMacDeploymentsBlockStorage, deploy_stdouts]}
 107         objectstorage_mappings: {get_attr: [CollectMacDeploymentsObjectStorage, deploy_stdouts]}
 108         cephstorage_mappings: {get_attr: [CollectMacDeploymentsCephStorage, deploy_stdouts]}
 109       actions: ['CREATE'] # Only do this on CREATE
 110
 111 outputs:
 112   # This value should change if the configuration data has changed
 113   # It is used to e.g re-apply puppet after hieradata values change.
 114   config_identifier:
 115     value: {get_attr: [DistributeMacDeploymentsController, deploy_stdouts]}
 116