extraconfig/all_nodes/swap.yaml

   1 heat_template_version: 2014-10-16
   2
   3 description: >
   4   Extra config to add swap space to nodes.
   5
   6 # Parameters passed from the parent template - note if you maintain
   7 # out-of-tree templates they may require additional parameters if the
   8 # in-tree templates add a new role.
   9 parameters:
  10   controller_servers:
  11     type: json
  12   compute_servers:
  13     type: json
  14   blockstorage_servers:
  15     type: json
  16   objectstorage_servers:
  17     type: json
  18   cephstorage_servers:
  19     type: json
  20   swap_size_megabytes:
  21     type: string
  22     description: Amount of swap space to allocate in megabytes
  23     default: '4096'
  24   swap_path:
  25     type: string
  26     description: Full path to location of swap file
  27     default: '/swap'
  28
  29
  30 resources:
  31
  32   SwapConfig:
  33     type: OS::Heat::SoftwareConfig
  34     properties:
  35       group: script
  36       config: |
  37         #!/bin/bash
  38         set -eux
  39         if [ ! -f $swap_path ]; then
  40           dd if=/dev/zero of=$swap_path count=$swap_size_megabytes bs=1M
  41           chmod 0600 $swap_path
  42           mkswap $swap_path
  43           swapon $swap_path
  44         else
  45           echo "$swap_path already exists"
  46         fi
  47         echo "$swap_path swap swap defaults 0 0" >> /etc/fstab
  48       inputs:
  49         - name: swap_size_megabytes
  50           description: Amount of swap space to allocate in megabytes
  51           default: '4096'
  52         - name: swap_path
  53           description: Full path to location of swap file
  54           default: '/swap'
  55
  56   ControllerSwapDeployment:
  57     type: OS::Heat::SoftwareDeploymentGroup
  58     properties:
  59       config: {get_resource: SwapConfig}
  60       servers: {get_param: controller_servers}
  61       input_values:
  62         swap_size_megabytes: {get_param: swap_size_megabytes}
  63         swap_path: {get_param: swap_path}
  64       actions: ["CREATE"]
  65
  66   ComputeSwapDeployment:
  67     type: OS::Heat::SoftwareDeploymentGroup
  68     properties:
  69       config: {get_resource: SwapConfig}
  70       servers: {get_param: compute_servers}
  71       input_values:
  72         swap_size_megabytes: {get_param: swap_size_megabytes}
  73         swap_path: {get_param: swap_path}
  74       actions: ["CREATE"]
  75
  76   BlockStorageSwapDeployment:
  77     type: OS::Heat::SoftwareDeploymentGroup
  78     properties:
  79       config: {get_resource: SwapConfig}
  80       servers: {get_param: blockstorage_servers}
  81       input_values:
  82         swap_size_megabytes: {get_param: swap_size_megabytes}
  83         swap_path: {get_param: swap_path}
  84       actions: ["CREATE"]
  85
  86   ObjectStorageSwapDeployment:
  87     type: OS::Heat::SoftwareDeploymentGroup
  88     properties:
  89       config: {get_resource: SwapConfig}
  90       servers: {get_param: objectstorage_servers}
  91       input_values:
  92         swap_size_megabytes: {get_param: swap_size_megabytes}
  93         swap_path: {get_param: swap_path}
  94       actions: ["CREATE"]
  95
  96   CephStorageSwapDeployment:
  97     type: OS::Heat::SoftwareDeploymentGroup
  98     properties:
  99       config: {get_resource: SwapConfig}
 100       servers: {get_param: cephstorage_servers}
 101       input_values:
 102         swap_size_megabytes: {get_param: swap_size_megabytes}
 103         swap_path: {get_param: swap_path}
 104       actions: ["CREATE"]