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feat(initialize): add locksmith configuration

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configure locksmith strategy based on the cloud config.
This commit is contained in:
Alex Polvi
2014-05-06 17:44:18 -07:00
committed by Brandon Philips
parent c3f17bd07b
commit 7e4fa423e4
5 changed files with 207 additions and 3 deletions
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17
Documentation/cloud-config.md
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@@ -70,6 +70,23 @@ Note that hyphens in the coreos.etcd.* keys are mapped to underscores.
[etcd-config]: https://github.com/coreos/etcd/blob/master/Documentation/configuration.md
#### update
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.
- _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.
- _best-effort_ - If etcd is running, "etcd-lock", otherwise simply "reboot".
- _off_ - Disable rebooting after updates are applied (not recommended).
```
#cloud-config
coreos:
update:
reboot-strategy: etcd-lock
```
#### oem
The `coreos.oem.*` parameters follow the [os-release spec][os-release], but have been repurposed as a way for coreos-cloudinit to know about the OEM partition on this machine: