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rebase: update kubernetes dep to 1.24.0

Browse Source 
As kubernetes 1.24.0 is released, updating
kubernetes dependencies to 1.24.0

updates: #3086

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
This commit is contained in:
Madhu Rajanna
2022-05-05 08:17:06 +05:30
committed by mergify[bot]
parent fc1529f268
commit c4f79d455f
959 changed files with 80055 additions and 27456 deletions
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/*
Copyright 2021 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package api
import (
admissionv1 "k8s.io/api/admission/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
)
// Attributes exposes the admission request parameters consumed by the PodSecurity admission controller.
type Attributes interface {
// GetName is the name of the object associated with the request.
GetName() string
// GetNamespace is the namespace associated with the request (if any)
GetNamespace() string
// GetResource is the name of the resource being requested. This is not the kind. For example: pods
GetResource() schema.GroupVersionResource
// GetKind is the name of the kind being requested. For example: Pod
GetKind() schema.GroupVersionKind
// GetSubresource is the name of the subresource being requested. This is a different resource, scoped to the parent resource, but it may have a different kind.
// For instance, /pods has the resource "pods" and the kind "Pod", while /pods/foo/status has the resource "pods", the sub resource "status", and the kind "Pod"
// (because status operates on pods). The binding resource for a pod though may be /pods/foo/binding, which has resource "pods", subresource "binding", and kind "Binding".
GetSubresource() string
// GetOperation is the operation being performed
GetOperation() admissionv1.Operation
// GetObject returns the typed Object from incoming request.
// For objects in the core API group, the result must use the v1 API.
GetObject() (runtime.Object, error)
// GetOldObject returns the typed existing object. Only populated for UPDATE requests.
// For objects in the core API group, the result must use the v1 API.
GetOldObject() (runtime.Object, error)
// GetUserName is the requesting user's authenticated name.
GetUserName() string
}
// AttributesRecord is a simple struct implementing the Attributes interface.
type AttributesRecord struct {
Name string
Namespace string
Kind schema.GroupVersionKind
Resource schema.GroupVersionResource
Subresource string
Operation admissionv1.Operation
Object runtime.Object
OldObject runtime.Object
Username string
}
func (a *AttributesRecord) GetName() string {
return a.Name
}
func (a *AttributesRecord) GetNamespace() string {
return a.Namespace
}
func (a *AttributesRecord) GetKind() schema.GroupVersionKind {
return a.Kind
}
func (a *AttributesRecord) GetResource() schema.GroupVersionResource {
return a.Resource
}
func (a *AttributesRecord) GetSubresource() string {
return a.Subresource
}
func (a *AttributesRecord) GetOperation() admissionv1.Operation {
return a.Operation
}
func (a *AttributesRecord) GetUserName() string {
return a.Username
}
func (a *AttributesRecord) GetObject() (runtime.Object, error) {
return a.Object, nil
}
func (a *AttributesRecord) GetOldObject() (runtime.Object, error) {
return a.OldObject, nil
}
var _ Attributes = &AttributesRecord{}
// RequestAttributes adapts an admission.Request to the Attributes interface.
func RequestAttributes(request *admissionv1.AdmissionRequest, decoder runtime.Decoder) Attributes {
return &attributes{
r: request,
decoder: decoder,
}
}
// attributes is an interface used by AdmissionController to get information about a request
// that is used to make an admission decision.
type attributes struct {
r *admissionv1.AdmissionRequest
decoder runtime.Decoder
}
func (a *attributes) GetName() string {
return a.r.Name
}
func (a *attributes) GetNamespace() string {
return a.r.Namespace
}
func (a *attributes) GetKind() schema.GroupVersionKind {
return schema.GroupVersionKind(a.r.Kind)
}
func (a *attributes) GetResource() schema.GroupVersionResource {
return schema.GroupVersionResource(a.r.Resource)
}
func (a *attributes) GetSubresource() string {
return a.r.RequestSubResource
}
func (a *attributes) GetOperation() admissionv1.Operation {
return a.r.Operation
}
func (a *attributes) GetUserName() string {
return a.r.UserInfo.Username
}
func (a *attributes) GetObject() (runtime.Object, error) {
return a.decode(a.r.Object)
}
func (a *attributes) GetOldObject() (runtime.Object, error) {
return a.decode(a.r.OldObject)
}
func (a *attributes) decode(in runtime.RawExtension) (runtime.Object, error) {
if in.Raw == nil {
return nil, nil
}
gvk := schema.GroupVersionKind(a.r.Kind)
out, _, err := a.decoder.Decode(in.Raw, &gvk, nil)
return out, err
}
var _ Attributes = &attributes{}

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/*
Copyright 2021 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package api
type Level string
const (
LevelPrivileged Level = "privileged"
LevelBaseline Level = "baseline"
LevelRestricted Level = "restricted"
)
var validLevels = []string{
string(LevelPrivileged),
string(LevelBaseline),
string(LevelRestricted),
}
const VersionLatest = "latest"
const AuditAnnotationPrefix = labelPrefix
const (
labelPrefix = "pod-security.kubernetes.io/"
EnforceLevelLabel = labelPrefix + "enforce"
EnforceVersionLabel = labelPrefix + "enforce-version"
AuditLevelLabel = labelPrefix + "audit"
AuditVersionLabel = labelPrefix + "audit-version"
WarnLevelLabel = labelPrefix + "warn"
WarnVersionLabel = labelPrefix + "warn-version"
ExemptionReasonAnnotationKey = "exempt"
AuditViolationsAnnotationKey = "audit-violations"
EnforcedPolicyAnnotationKey = "enforce-policy"
)

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/*
Copyright 2021 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
// Package api contains constants and helpers for PodSecurity admission label keys and values
package api // import "k8s.io/pod-security-admission/api"

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/*
Copyright 2021 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package api
import (
"fmt"
"regexp"
"strconv"
"strings"
"unicode"
"k8s.io/apimachinery/pkg/util/validation/field"
"k8s.io/component-base/version"
)
type Version struct {
major int
minor int
latest bool
}
func (v Version) String() string {
if v.latest {
return "latest"
}
return fmt.Sprintf("v%d.%d", v.major, v.minor)
}
// Older returns true if this version v is older than the other.
func (v *Version) Older(other Version) bool {
if v.latest { // Latest is always consider newer, even than future versions.
return false
}
if other.latest {
return true
}
if v.major != other.major {
return v.major < other.major
}
return v.minor < other.minor
}
func (v *Version) Major() int {
return v.major
}
func (v *Version) Minor() int {
return v.minor
}
func (v *Version) Latest() bool {
return v.latest
}
func MajorMinorVersion(major, minor int) Version {
return Version{major: major, minor: minor}
}
// GetAPIVersion get the version of apiServer and return the version major and minor
func GetAPIVersion() Version {
var err error
v := Version{}
apiVersion := version.Get()
major, err := strconv.Atoi(apiVersion.Major)
if err != nil {
return v
}
// split the "normal" + and - for semver stuff to get the leading minor number
minorString := strings.FieldsFunc(apiVersion.Minor, func(r rune) bool {
return !unicode.IsDigit(r)
})[0]
minor, err := strconv.Atoi(minorString)
if err != nil {
return v
}
v = MajorMinorVersion(major, minor)
return v
}
func LatestVersion() Version {
return Version{latest: true}
}
// ParseLevel returns the level that should be evaluated.
// level must be "privileged", "baseline", or "restricted".
// if level does not match one of those strings, "restricted" and an error is returned.
func ParseLevel(level string) (Level, error) {
switch Level(level) {
case LevelPrivileged, LevelBaseline, LevelRestricted:
return Level(level), nil
default:
return LevelRestricted, fmt.Errorf(`must be one of %s`, strings.Join(validLevels, ", "))
}
}
// Valid checks whether the level l is a valid level.
func (l *Level) Valid() bool {
switch *l {
case LevelPrivileged, LevelBaseline, LevelRestricted:
return true
default:
return false
}
}
var versionRegexp = regexp.MustCompile(`^v1\.([0-9]|[1-9][0-9]*)$`)
// ParseVersion returns the policy version that should be evaluated.
// version must be "latest" or "v1.x".
// If version does not match one of those patterns, the latest version and an error is returned.
func ParseVersion(version string) (Version, error) {
if version == "latest" {
return Version{latest: true}, nil
}
match := versionRegexp.FindStringSubmatch(version)
if len(match) != 2 {
return Version{latest: true}, fmt.Errorf(`must be "latest" or "v1.x"`)
}
versionNumber, err := strconv.Atoi(match[1])
if err != nil || versionNumber < 0 {
return Version{latest: true}, fmt.Errorf(`must be "latest" or "v1.x"`)
}
return Version{major: 1, minor: versionNumber}, nil
}
type LevelVersion struct {
Level
Version
}
func (lv LevelVersion) String() string {
return fmt.Sprintf("%s:%s", lv.Level, lv.Version)
}
type Policy struct {
Enforce LevelVersion
Audit LevelVersion
Warn LevelVersion
}
// PolicyToEvaluate resolves the PodSecurity namespace labels to the policy for that namespace,
// falling back to the provided defaults when a label is unspecified. A valid policy is always
// returned, even when an error is returned. If labels cannot be parsed correctly, the values of
// "restricted" and "latest" are used for level and version respectively.
func PolicyToEvaluate(labels map[string]string, defaults Policy) (Policy, field.ErrorList) {
var (
err error
errs field.ErrorList
p = defaults
)
if len(labels) == 0 {
return p, nil
}
if level, ok := labels[EnforceLevelLabel]; ok {
p.Enforce.Level, err = ParseLevel(level)
errs = appendErr(errs, err, EnforceLevelLabel, level)
}
if version, ok := labels[EnforceVersionLabel]; ok {
p.Enforce.Version, err = ParseVersion(version)
errs = appendErr(errs, err, EnforceVersionLabel, version)
}
if level, ok := labels[AuditLevelLabel]; ok {
p.Audit.Level, err = ParseLevel(level)
errs = appendErr(errs, err, AuditLevelLabel, level)
if err != nil {
p.Audit.Level = LevelPrivileged // Fail open for audit.
}
}
if version, ok := labels[AuditVersionLabel]; ok {
p.Audit.Version, err = ParseVersion(version)
errs = appendErr(errs, err, AuditVersionLabel, version)
}
if level, ok := labels[WarnLevelLabel]; ok {
p.Warn.Level, err = ParseLevel(level)
errs = appendErr(errs, err, WarnLevelLabel, level)
if err != nil {
p.Warn.Level = LevelPrivileged // Fail open for warn.
}
}
if version, ok := labels[WarnVersionLabel]; ok {
p.Warn.Version, err = ParseVersion(version)
errs = appendErr(errs, err, WarnVersionLabel, version)
}
return p, errs
}
// CompareLevels returns an integer comparing two levels by strictness. The result will be 0 if
// a==b, -1 if a is less strict than b, and +1 if a is more strict than b.
func CompareLevels(a, b Level) int {
if a == b {
return 0
}
switch a {
case LevelPrivileged:
return -1
case LevelRestricted:
return 1
default:
if b == LevelPrivileged {
return 1
} else if b == LevelRestricted {
return -1
}
}
// This should only happen if both a & b are invalid levels.
return 0
}
var labelsPath = field.NewPath("metadata", "labels")
// appendErr is a helper function to collect label-specific errors.
func appendErr(errs field.ErrorList, err error, label, value string) field.ErrorList {
if err != nil {
return append(errs, field.Invalid(labelsPath.Key(label), value, err.Error()))
}
return errs
}