Is ->It in line 6

Fixes inconsistent behaviour in portforward

Merge pull request #69086 from bruceauyeung/log-useful-info-instead-of-silent-exit-when-etcd-already-installed

log useful information instead of silent exit without error

Improve in-cluster-client-conf client-go docs

Make CRD column printers consistent with typed printers

Make a small formatting change to make it clear that you must take the
RBAC actions regardless of whether you're using Minikube or not.

Almost all other server side printers use duration.HumanDuration
which has higher precision output. Switch CRD printers to use this
as well.

The rules for address parsing are:

* Explicitly specified addresses must bind successfully
* `localhost` is pinned to `127.0.0.1` and `::1` and at least one of those must bind successfully

This change also makes output of the command consistent
between runs with the same arguments.
Previously the command was using the range via map of addresses
which sometimes was producing different output because the order
of values is not guaranteed in Go.

Add metric exposing amount of processed init events in watchcache

kubeadm: add a preflight check for Docker and cgroup driver

Fix linting in cmd/kubemark package

Kubelet: add usageNanoCores from CRI stats provider

fix shellcheck in node-api

fix typo "udp" -> "UDP"

add e2e test for snapshot

Fix fmt.Errorf messages

Avoid going back in time in watchcache watchers

Ensure controller manager and scheduler can perform delegated auth checks

OWNERS: add label:sig/network to a bunch of places

fix typos lable -> label

systemd is the recommended driver as per the setup of running
the kubelet using systemd as the init system. Add a preflight
check that throws a warning if this isn't the case.

Clarify hostname emptiness in CRI.

AttachableVolumePlugin CanAttach() method for attachable check

Update doc.go import for staging/src/k8s.io/api/storage/v1/doc.go

Updated OWNERS files to include link to docs

kubeadm: refactor JoinConfigFileAndDefaultsToInternalConfig

fix shellcheck in csi-api

Reduce contention in cacher by eliminating sync.Pool

Currently JoinConfigFileAndDefaultsToInternalConfig is doing a couple of
different things depending on its parameters. It:

- loads a versioned JoinConfiguration from an YAML file.
- returns defaulted JoinConfiguration allowing for some overrides.

In order to make code more manageable, the following steps are taken:

- Introduce LoadJoinConfigurationFromFile, which loads a versioned
  JoinConfiguration from an YAML file, defaults it (both dynamically and
  statically), converts it to internal JoinConfiguration and validates it.

- Introduce DefaultedJoinConfiguration, which returns defaulted (both
  dynamically and statically) and verified internal JoinConfiguration.
  The possibility of overwriting defaults via versioned JoinConfiguration is
  retained.

- Re-implement JoinConfigFileAndDefaultsToInternalConfig to use
  LoadJoinConfigurationFromFile and DefaultedJoinConfiguration.

- Replace some calls to JoinConfigFileAndDefaultsToInternalConfig with calls to
  either LoadJoinConfigurationFromFile or DefaultedJoinConfiguration where
  appropriate.

- Rename JoinConfigFileAndDefaultsToInternalConfig to the more appropriate name
  LoadOrDefaultJoinConfiguration.
Signed-off-by: Rostislav M. Georgiev <rostislavg@vmware.com>

KUBE_JUNIT_REPORT_DIR fixes

fix --local panic in set commands

Bump debian-* base image versions to latest

move pkg/kubelet/apis/well_known_labels.go to staging/src/k8s.io/api/core/v1/