added check against qos change from resource patch

(2) added check against pod QOS change as a result of (1)
(3) updated unit tests

…nnotation

(2) fixed the duplicated update issue in (1)
(3) added unit tests

(1) enabled job and pod resource change via patch 
(2) added check against qos change as a result of (1)

…engdu

(1) added job controller changes to convert job spec resource update to annotation
(2) fixed the duplicated update issue in (1)
(3) added unit tests

* Kubelet changes to support vertical scaling

* Kubelet changes for vertical scaling - code review feedback fixes

* Scheduler changes to support vertical resources scaling

* Scheduler changes to support vertical resources scaling - code review fixes

…ce spec

(2) added oomKillDisable annotation, passed down to pod level cgroup file memory.oom_control

Tested on a local environment

added cgroup updates and oomKillDisable annotation

vertical scaling feature gate in apiserver and controller

tested using a manual e2e test

added vertical scaling feature gate to kubelet (related unit tests too)

…city (#31)

Added unit-tests and fixes to address CR comments.

added resource quota control for pod resource update

* Add pod resource resize status to pod conditions

* Handle InPlaceOnly policy through pod status update

* Restore running pod resource values on resizing failure

* Update cached pod resources values on resizing updates
 - scheduler caches the initial pod that gets Added, and deletes cached Pod.
   So subsequent pod resource updates makes cached pod resource values to become stale.
   This fix updates cached pod resource values so the delete deducts the correct values.x

* Addressed code review comments, minor fixes.

#35)

* fixed the issue when pod resource is updated to decrease, resource quota
is not updated immediately

* added missing vertical scaling feature gates

* fixed pod count issue per Vinay's PR comment

…ry resize retry. (#38)

* Allow controller to process new resize requests after a failed request, add rudimentary resize retry.

…izing. Refactor code. (#40)

* Respect the pod disruption budget when rescheduling pods. Refactor code.

* Add unit test for checkPodDisruptionBudgetOk function.

…heduler support of vertical scaling. (#41)

* Update policy to allow scheduler to update pod. Add comprehensive unit tests for scheduler.

* kubelet unit tests enhancement to cover vertical scaling policies.

…43)

* Cleanup event logs. Refactor resize action handling and add unit test for it.

* Update container status hash upon successful UpdateContainerResoruces.

* Remove action annotation set by processResizing when rescheduling pod.

comment)

…on load, retry latest template.spec values on completion. (#46)

* added resource in place update to deployment

* removed unused lines

* added testing info

* fixed deployment resource update retry

* added check against qos change for deployment spec udpate

* added unit tests for deployment resource update and qos changes

* addressed Vinay's PR comments

* added error checking for PatchPodResourceAnnotation

* Added patch to the controller policy to allow patching pod in the "default" namespace

Thanks @vinay!

* added test cases for JD

* added test for restart policy

* added test case for InPlacePreferred

put testing scripts into a separate place

* added a doc