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
```
Automatic merge from submit-queue (batch tested with PRs 49420, 49296, 49299, 49371, 46514)
Refactoring taint functions to reduce sprawl
**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#45060
**Special notes for your reviewer**:
@gmarek @timothysc @k82cn @jayunit100 - I moved some fn's to helpers and some to utils. LMK, if you are ok with this change.
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 49116, 49095)
Move pkg/api/v1/ref -> client-go/tools/reference
`pkg/api/v1/ref` is the only remaining package copied from pkg/api/v1 to client-go via staging/copy.sh.
Automatic merge from submit-queue (batch tested with PRs 48983, 49013)
Added comments on not set node network/inode condition to unknown.
**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#48982
**Release note**:
```release-note
None
```
Automatic merge from submit-queue
Changes to fix the node eviction flake
**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#39975
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue
Fix const naming in node/metrics
**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 #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 45573, 46354, 46376, 46162, 46366)
break the loop when found true
break the loop when found true.
