rebase: update kubernetes to v1.21.2

Updated kubernetes packages to latest release.
resizefs package has been included into k8s.io/mount-utils
package. updated code to use the same.

Updates: #1968

Signed-off-by: Rakshith R <rar@redhat.com>

vendor/k8s.io/kubernetes/pkg/apis/apps/BUILD

@@ -1,46 +0,0 @@
-package(default_visibility = ["//visibility:public"])
-
-load(
-    "@io_bazel_rules_go//go:def.bzl",
-    "go_library",
-)
-
-go_library(
-    name = "go_default_library",
-    srcs = [
-        "doc.go",
-        "register.go",
-        "types.go",
-        "zz_generated.deepcopy.go",
-    ],
-    importpath = "k8s.io/kubernetes/pkg/apis/apps",
-    deps = [
-        "//pkg/apis/autoscaling:go_default_library",
-        "//pkg/apis/core:go_default_library",
-        "//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
-        "//staging/src/k8s.io/apimachinery/pkg/runtime:go_default_library",
-        "//staging/src/k8s.io/apimachinery/pkg/runtime/schema:go_default_library",
-        "//staging/src/k8s.io/apimachinery/pkg/util/intstr:go_default_library",
-    ],
-)
-
-filegroup(
-    name = "package-srcs",
-    srcs = glob(["**"]),
-    tags = ["automanaged"],
-    visibility = ["//visibility:private"],
-)
-
-filegroup(
-    name = "all-srcs",
-    srcs = [
-        ":package-srcs",
-        "//pkg/apis/apps/fuzzer:all-srcs",
-        "//pkg/apis/apps/install:all-srcs",
-        "//pkg/apis/apps/v1:all-srcs",
-        "//pkg/apis/apps/v1beta1:all-srcs",
-        "//pkg/apis/apps/v1beta2:all-srcs",
-        "//pkg/apis/apps/validation:all-srcs",
-    ],
-    tags = ["automanaged"],
-)

vendor/k8s.io/kubernetes/pkg/apis/apps/OWNERS

@@ -14,8 +14,6 @@ reviewers:
 - errordeveloper
 - mml
 - m1093782566
-- mbohlool
 - kevin-wangzefeng
-- jianhuiz
 labels:
 - sig/apps

vendor/k8s.io/kubernetes/pkg/apis/apps/types.go

@@ -532,19 +532,41 @@ type RollingUpdateDaemonSet struct {
 	// The maximum number of DaemonSet pods that can be unavailable during the
 	// update. Value can be an absolute number (ex: 5) or a percentage of total
 	// number of DaemonSet pods at the start of the update (ex: 10%). Absolute
-	// number is calculated from percentage by rounding up.
-	// This cannot be 0.
+	// number is calculated from percentage by rounding down to a minimum of one.
+	// This cannot be 0 if MaxSurge is 0
 	// Default value is 1.
 	// Example: when this is set to 30%, at most 30% of the total number of nodes
 	// that should be running the daemon pod (i.e. status.desiredNumberScheduled)
-	// can have their pods stopped for an update at any given
-	// time. The update starts by stopping at most 30% of those DaemonSet pods
-	// and then brings up new DaemonSet pods in their place. Once the new pods
-	// are available, it then proceeds onto other DaemonSet pods, thus ensuring
-	// that at least 70% of original number of DaemonSet pods are available at
-	// all times during the update.
+	// can have their pods stopped for an update at any given time. The update
+	// starts by stopping at most 30% of those DaemonSet pods and then brings
+	// up new DaemonSet pods in their place. Once the new pods are available,
+	// it then proceeds onto other DaemonSet pods, thus ensuring that at least
+	// 70% of original number of DaemonSet pods are available at all times during
+	// the update.
 	// +optional
 	MaxUnavailable intstr.IntOrString
+
+	// The maximum number of nodes with an existing available DaemonSet pod that
+	// can have an updated DaemonSet pod during during an update.
+	// Value can be an absolute number (ex: 5) or a percentage of desired pods (ex: 10%).
+	// This can not be 0 if MaxUnavailable is 0.
+	// Absolute number is calculated from percentage by rounding up to a minimum of 1.
+	// Default value is 0.
+	// Example: when this is set to 30%, at most 30% of the total number of nodes
+	// that should be running the daemon pod (i.e. status.desiredNumberScheduled)
+	// can have their a new pod created before the old pod is marked as deleted.
+	// The update starts by launching new pods on 30% of nodes. Once an updated
+	// pod is available (Ready for at least minReadySeconds) the old DaemonSet pod
+	// on that node is marked deleted. If the old pod becomes unavailable for any
+	// reason (Ready transitions to false, is evicted, or is drained) an updated
+	// pod is immediatedly created on that node without considering surge limits.
+	// Allowing surge implies the possibility that the resources consumed by the
+	// daemonset on any given node can double if the readiness check fails, and
+	// so resource intensive daemonsets should take into account that they may
+	// cause evictions during disruption.
+	// This is an alpha field and requires enabling DaemonSetUpdateSurge feature gate.
+	// +optional
+	MaxSurge intstr.IntOrString
 }
 
 // DaemonSetSpec is the specification of a daemon set.

vendor/k8s.io/kubernetes/pkg/apis/apps/zz_generated.deepcopy.go

@@ -585,6 +585,7 @@ func (in *RollbackConfig) DeepCopy() *RollbackConfig {
 func (in *RollingUpdateDaemonSet) DeepCopyInto(out *RollingUpdateDaemonSet) {
 	*out = *in
 	out.MaxUnavailable = in.MaxUnavailable
+	out.MaxSurge = in.MaxSurge
 	return
 }