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Merge pull request #120 from brianredbeard/pr20-fix

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fix(docs) Clear description of update server changes
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Jonathan Boulle 2014-05-21 10:01:25 -07:00
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Documentation/cloud-config.md
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@ -97,11 +97,15 @@ For more information on fleet configuration, see the [fleet documentation][fleet
The `coreos.update.*` parameters manipulate settings related to how CoreOS instances are updated. The `coreos.update.*` parameters manipulate settings related to how CoreOS instances are updated.
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.
- **reboot-strategy**: One of "reboot", "etcd-lock", "best-effort" or "off" for controlling when reboots are issued after an update is performed. - **reboot-strategy**: One of "reboot", "etcd-lock", "best-effort" or "off" for controlling when reboots are issued after an update is performed.
- _reboot_: Reboot immediately after an update is applied. - _reboot_: Reboot immediately after an update is applied.
- _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. - _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". - _best-effort_ - If etcd is running, "etcd-lock", otherwise simply "reboot".
- _off_ - Disable rebooting after updates are applied (not recommended). - _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 #cloud-config