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flannel: added flannel support and helper to make dropins

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fleet, flannel, and etcd all generate dropins from config.
To reduce code duplication, factor out a helper to do that.
This commit is contained in:
Eugene Yakubovich
2014-10-06 12:06:33 -07:00
parent d9d89a6fa0
commit a20addd05e
9 changed files with 113 additions and 25 deletions
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23
Documentation/cloud-config.md
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@@ -97,6 +97,29 @@ For more information on fleet configuration, see the [fleet documentation][fleet
[fleet-config]: https://github.com/coreos/fleet/blob/master/Documentation/deployment-and-configuration.md#configuration
#### flannel
The `coreos.flannel.*` parameters also work very similarly to `coreos.etcd.*` and `coreos.fleet.*`. They can be used to set enviornment variables for flanneld. Given the following cloud-config...
```yaml
#cloud-config
coreos:
flannel:
etcd-prefix: /coreos.com/network2
```
...will generate systemd unit drop-in like so:
```
[Service]
Environment="FLANNELD_ETCD_PREFIX=/coreos.com/network2"
```
For complete list of flannel configuraion parameters, see the [flannel documentation][flannel-readme].
[flannel-readme]: https://github.com/coreos/flannel/blob/master/README.md
#### update
The `coreos.update.*` parameters manipulate settings related to how CoreOS instances are updated.