fix(docs) Clear description of update server changes TBD

Pulling in @philips' changes from coreos/coreos-cloudinit#6 after
trashing PR coreos/coreos-cloudinit#20.  Cleanup of that PR was
beyond my git-fu.

cc @jonboulle
This commit is contained in:
Brian 'Redbeard' Harrington 2014-05-20 22:53:29 -07:00
parent 5b1145c044
commit a64fcd2893

View File

@ -95,6 +95,8 @@ For more information on fleet configuration, see the [fleet documentation][fleet
#### update
These fields will be written out to and replace `/etc/coreos/update.conf`. If only one of the parameters is given it will only overwrite the given field.
The `coreos.update.*` parameters manipulate settings related to how CoreOS instances are updated.
- **reboot-strategy**: One of "reboot", "etcd-lock", "best-effort" or "off" for controlling when reboots are issued after an update is performed.
@ -102,6 +104,8 @@ The `coreos.update.*` parameters manipulate settings related to how CoreOS insta
- _etcd-lock_: Reboot after first taking a distributed lock in etcd, this guarantees that only one host will reboot concurrently and that the cluster will remain available during the update.
- _best-effort_ - If etcd is running, "etcd-lock", otherwise simply "reboot".
- _off_ - Disable rebooting after updates are applied (not recommended).
- **server**: is the omaha endpoint URL which will be queried for updates.
- **group**: signifies the channel which should be used for automatic updates. This value defaults to the version of the image initially downloaded. (one of "master", "alpha", "beta", "stable")
```
#cloud-config