Automatic merge from submit-queue (batch tested with PRs 53760, 48996, 51267, 54414). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
Removed compatibality code for kubelet 1.2.
**What this PR does / why we need it**:
The next release is 1.8, it's time to remove the backward compatibility code for kubelet 1.2.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#48995
**Release note**:
```release-note
The NodeController will not support kubelet 1.2.
```
Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
cleaning newNodeController from unsupported kubelet version
**What this PR does / why we need it**: this part of the #52356 effort
**Which issue this PR fixes** : fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
None
```
Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
cleaning node controller from code for unsupported versions
**What this PR does / why we need it**:
**Which issue this PR fixes**: fixes#52356
**Special notes for your reviewer**:
**Release note**:
```release-note
None
```
Automatic merge from submit-queue (batch tested with PRs 52520, 52033, 53626, 50478). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
Removed the IPv6 prefix size limit for cluster-cidr
Fixes#50395
/sig network
/area ipv6
cc @rpothier
Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
cleaning tests from deprecated usecases due to unsupported version
**What this PR does / why we need it**: this part of the #52356 effort
**Which issue this PR fixes**:
**Special notes for your reviewer**:
**Release note**:
```release-note
None
```
Automatic merge from submit-queue (batch tested with PRs 51754, 53261, 53450). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
Rename the name of event source in controller-manager
**What this PR does / why we need it**: Make the event source more obvious
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#51753
**Special notes for your reviewer**:
**Release note**:
```
NONE
```
Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
Refactor node taint conditions
**What this PR does / why we need it**:
We should use `not-ready` etc as node condition taint key.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*:
fixes#51246
**Special notes for your reviewer**:
**Release note**:
```release-note
Use `not-ready` to replace `notReady` in node condition taint keys.
```
Automatic merge from submit-queue (batch tested with PRs 51031, 51705, 51888, 51727, 51684). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>..
Address panic in TestCancelAndReadd
This further increases the timeouts in `timed_workers_test` to reduce the chance of a race condition against the wait group.
Signed-off-by: Monis Khan <mkhan@redhat.com>
Fixes#51704
/assign @gmarek
cc @davidopp @timothysc
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 51603, 51653)
fix taint controller panic
**What this PR does / why we need it**:
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#51586
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
IPAM controller unifies handling of node pod CIDR range allocation. It
is intended to supersede the logic that is currently in range_allocator
and cloud_cidr_allocator.
Note: for this change, the other allocators still exist and are the
default.
It supports two modes:
* CIDR range allocations done within the cluster that are then
propagated out to the cloud provider.
* Cloud provider managed IPAM that is then reflected into the cluster.
Automatic merge from submit-queue (batch tested with PRs 51574, 51534, 49257, 44680, 48836)
Task 1: Tainted node by condition.
**What this PR does / why we need it**:
Tainted node by condition for MemoryPressure, OutOfDisk and so on.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: part of #42001
**Release note**:
```release-note
Tainted nodes by conditions as following:
* 'node.kubernetes.io/network-unavailable=:NoSchedule' if NetworkUnavailable is true
* 'node.kubernetes.io/disk-pressure=:NoSchedule' if DiskPressure is true
* 'node.kubernetes.io/memory-pressure=:NoSchedule' if MemoryPressure is true
* 'node.kubernetes.io/out-of-disk=:NoSchedule' if OutOfDisk is true
```
Automatic merge from submit-queue (batch tested with PRs 51480, 49616, 50123, 50846, 50404)
Use 'Infof' instead of 'Errorf' for a debug log
Outputing error log for a debug is confused.
**Release note**:
```release-note
NONE
```
This further increases the timeouts in timed_workers_test to reduce
the chance of a race condition against the wait group.
Signed-off-by: Monis Khan <mkhan@redhat.com>
Kevin