Heat templates for deploying OpenStack
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tripleo-heat-templates/puppet/extraconfig/pre_deploy/per_node.yaml

85 lines
3.1 KiB

heat_template_version: wallaby
description: Configure hieradata overrides for specific nodes
parameters:
server:
description: ID of the controller node to apply this config to
type: string
# Config specific parameters, to be provided via parameter_defaults
# This would be a lookup of the node UUID as provided by dmidecode
# to the json required for the node-specific hieradata
# Note this needs to be a json blob e.g:
# parameter_defaults:
# NodeDataLookup:
# {"AB4114B1-9C9D-409A-BEFB-D88C151BF2C3": {"foo": "bar"},
# "8CF1A7EA-7B4B-4433-AC83-17675514B1B8": {"foo2": "bar2"}}
NodeDataLookup:
type: json
default: {}
description: json containing per-node configuration map
resources:
NodeSpecificConfig:
type: OS::Heat::SoftwareConfig
properties:
group: script
inputs:
- name: node_lookup
config: |
#!/bin/sh
node_id=$(dmidecode --s system-uuid | awk 'match($0, \
/[0-9A-Fa-f]{8}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{4}-[0-9A-Fa-f]{12}/) \
{ print substr($0, RSTART, RLENGTH) }' | tr '[:upper:]' '[:lower:]')
# thanks to dmidecode 3.1, we have to handle both the upper case
# and lower case versions of the UUID from dmidecode. LP#1816652
# upper for dmidecode < 3.1 and lower for dmidecode >= 3.1
node_id_upper=$(echo $node_id | tr '[:lower:]' '[:upper:]')
# needed to handle where python lives
function get_python() {
command -v python3 || command -v python2 || command -v python || exit 1
}
# Create a /etc/puppet/hieradata/UUID.json file to provide
# the data of the NodeDataLookup parameter that matches the
# system UUID
echo $node_lookup | $(get_python) -c "
import ast
import json
import sys
input = sys.stdin.readline() or '{}'
try:
cnt = json.loads(input)
except json.decoder.JSONDecodeError:
cnt = ast.literal_eval(input)
print(json.dumps(cnt.get('${node_id}', {})))
" > /etc/puppet/hieradata/${node_id}.json
echo "- ${node_id}" >> /etc/puppet/hiera.yaml
# handle upper case node id LP#1816652
echo $node_lookup | $(get_python) -c "
import ast
import json
import sys
input = sys.stdin.readline() or '{}'
try:
cnt = json.loads(input)
except json.decoder.JSONDecodeError:
cnt = ast.literal_eval(input)
print(json.dumps(cnt.get('${node_id_upper}', {})))
" > /etc/puppet/hieradata/${node_id_upper}.json
echo "- ${node_id_upper}" >> /etc/puppet/hiera.yaml
NodeSpecificDeployment:
type: OS::Heat::SoftwareDeployment
properties:
name: NodeSpecificDeployment
config: {get_resource: NodeSpecificConfig}
server: {get_param: server}
input_values:
node_lookup: {get_param: NodeDataLookup}
outputs:
deploy_stdout:
description: Deployment reference, used to trigger puppet apply on changes
value: {get_attr: [NodeSpecificDeployment, deploy_stdout]}