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| author | Ben Howard <bh@digitalocean.com> | 2016-08-19 16:28:26 -0600 |
|---|---|---|
| committer | Scott Moser <smoser@brickies.net> | 2016-09-29 09:57:13 -0400 |
| commit | 9f83bb8e80806d3dd79ba426474dc3c696e19a41 (patch) | |
| tree | 90f695169bec78c544c9f2f345514360089231fd /doc | |
| parent | 6d1edc3f5a18b328bdd307426056539d5b9071fd (diff) | |
| download | vyos-cloud-init-9f83bb8e80806d3dd79ba426474dc3c696e19a41.tar.gz vyos-cloud-init-9f83bb8e80806d3dd79ba426474dc3c696e19a41.zip | |
DigitalOcean: use meta-data for network configruation
On DigitalOcean, Network information is provided via Meta-data.
It changes the datasource to be a local datasource, meaning it
will run before fallback networking is configured.
The advantage of that is that before networking is configured it
can bring up a network device with ipv4 link-local and hit the
metadata service that lives at 169.254.169.254 to find its networking
configuration. It then takes down the link local address and lets
cloud-init configure networking.
The configuring of a network device to go looking for a metadata
service is gated by a check of data in the smbios. This guarantees
that the code will not run on another system.
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