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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 %}