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Attach/Detach Controller Kubelet Changes

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This PR contains Kubelet changes to enable attach/detach controller control.
* It introduces a new "enable-controller-attach-detach" kubelet flag to
  enable control by controller. Default enabled.
* It removes all references "SafeToDetach" annoation from controller.
* It adds the new VolumesInUse field to the Node Status API object.
* It modifies the controller to use VolumesInUse instead of SafeToDetach
  annotation to gate detachment.
* There is a bug in node-problem-detector that causes VolumesInUse to
  get reset every 30 seconds. Issue https://github.com/kubernetes/node-problem-detector/issues/9
  opened to fix that.
This commit is contained in:
Saad Ali
2016-05-23 13:37:30 -07:00
committed by saadali
parent 24ddec1cbf
commit 9dbe943491
35 changed files with 2346 additions and 1217 deletions
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11
docs/api-reference/v1/definitions.html
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@@ -594,6 +594,10 @@ span.icon > [class^="icon-"], span.icon > [class*=" icon-"] { cursor: default; }
</tbody>
</table>
</div>
<div class="sect2">
<h3 id="_v1_uniquedevicename">v1.UniqueDeviceName</h3>
</div>
<div class="sect2">
<h3 id="_v1_preconditions">v1.Preconditions</h3>
@@ -4751,6 +4755,13 @@ The resulting set of endpoints can be viewed as:<br>
<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="#_v1_containerimage">v1.ContainerImage</a> array</p></td>
<td class="tableblock halign-left valign-top"></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">volumesInUse</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">List of volumes in use (mounted) by the node.</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">false</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="#_v1_uniquedevicename">v1.UniqueDeviceName</a> array</p></td>
<td class="tableblock halign-left valign-top"></td>
</tr>
</tbody>
</table>