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heat_template_version: 2014-10-16
description: >
Extra config to add swap space to 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
swap_partition_label:
type: string
description: Swap partition label
default: 'swap1'
resources:
SwapConfig:
type: OS::Heat::SoftwareConfig
properties:
group: script
config: |
#!/bin/bash
set -eux
swap_partition=$(realpath /dev/disk/by-label/$swap_partition_label)
swapon $swap_partition
echo "$swap_partition swap swap defaults 0 0" >> /etc/fstab
inputs:
- name: swap_partition_label
description: Swap partition label
default: 'swap1'
{% for role in roles %}
{{role.name}}SwapDeployment:
type: OS::Heat::SoftwareDeploymentGroup
properties:
config: {get_resource: SwapConfig}
servers: {get_param: servers, {{role.name}}}
input_values:
swap_partition_label: {get_param: swap_partition_label}
actions: ["CREATE"]
{% endfor %}
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