66 lines
2.1 KiB
YAML
66 lines
2.1 KiB
YAML
heat_template_version: ocata
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description: >
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Configure os-net-config mappings for specific nodes
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Your environment file needs to look like:
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parameter_defaults:
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NetConfigDataLookup:
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node1:
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nic1: "00:c8:7c:e6:f0:2e"
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node2:
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nic1: "00:18:7d:99:0c:b6"
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This will result in the first nodeN entry where a mac matches a
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local device being written as a mapping file for os-net-config in
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/etc/os-net-config/mapping.yaml
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parameters:
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# Note this requires a liberty heat or newer in the undercloud due to
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# the 2015-10-15 (which is required to enable str_replace serializing
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# the json parameter to json, another approch with a string parameter
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# will be required for older heat versions)
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NetConfigDataLookup:
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type: json
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default: {}
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description: per-node configuration map
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resources:
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userdata:
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type: OS::Heat::MultipartMime
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properties:
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parts:
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- config: {get_resource: OsNetConfigMappings}
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OsNetConfigMappings:
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type: OS::Heat::SoftwareConfig
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properties:
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group: ungrouped
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config:
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str_replace:
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template: |
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#!/bin/sh
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eth_addr=$(cat /sys/class/net/*/address | tr '\n' ',')
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mkdir -p /etc/os-net-config
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# Create an os-net-config mapping file, note this defaults to
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# /etc/os-net-config/mapping.yaml, so we use that name despite
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# rendering the result as json
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echo '$node_lookup' | python -c "
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import json
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import sys
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import yaml
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input = sys.stdin.readline() or '{}'
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data = json.loads(input)
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for node in data:
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if any(x in '$eth_addr'.split(',') for x in data[node].values()):
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interface_mapping = {'interface_mapping': data[node]}
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with open('/etc/os-net-config/mapping.yaml', 'w') as f:
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yaml.safe_dump(interface_mapping, f, default_flow_style=False)
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break
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"
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params:
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$node_lookup: {get_param: NetConfigDataLookup}
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outputs:
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OS::stack_id:
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value: {get_resource: userdata}
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