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feat(Documentation/cloud-config): add section about oem-release

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We need to have cloud-config render a file about itself that can be
easily parsed and used by the rest of the system. Essentially just copy
the os-release format.
This commit is contained in:
Brandon Philips 2014-03-16 16:47:27 -07:00
parent 29b558caec
commit 68202f3c06
1 changed files with 24 additions and 0 deletions
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Documentation/cloud-config.md
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@ -74,6 +74,30 @@ Provide a list of objects with the following attributes:
## Custom cloud-config Parameters
### coreos.oem
These fields are borrowed from the [os-release spec][os-release] and repurposed
as a way for cloud-init to know about the OEM partition on this machine.
- **id**: A lower case string identifying the oem.
- **version-id**: A lower case string identifying the version of the OEM. Example: `168.0.0`
- **name**: A name without the version that is suitable for presentation to the user.
- **home-url**: Link to the homepage of the provider or OEM.
- **bug-report-url***: Link to a place to file bug reports about this OEM partition.
cloudinit must render these fields down to an /etc/oem-release file on disk in the following format:
```
NAME=Rackspace
ID=rackspace
VERSION_ID=168.0.0
PRETTY_NAME="Rackspace Cloud Servers"
HOME_URL="http://www.rackspace.com/cloud/servers/"
BUG_REPORT_URL="https://github.com/coreos/coreos-overlay"
```
[os-release]: http://www.freedesktop.org/software/systemd/man/os-release.html
### coreos.etcd.discovery_url
The value of `coreos.etcd.discovery_url` will be used to discover the instance's etcd peers using the [etcd discovery protocol][disco-proto]. Usage of the [public discovery service][disco-service] is encouraged.