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Published: Oct 24, 2024 License: Apache-2.0 Imports: 84 Imported by: 2

Documentation

Overview

Copyright Contributors to the Open Cluster Management project

Index

Constants

This section is empty.

Variables

AllOrderedPlugins is the list of all the plugins in order.

Functions

func DefaultOffAdmissionPlugins

func DefaultOffAdmissionPlugins() sets.Set[string]

DefaultOffAdmissionPlugins get admission plugins off by default for kube-apiserver.

func RegisterAllAdmissionPlugins

func RegisterAllAdmissionPlugins(plugins *admission.Plugins)

RegisterAllAdmissionPlugins registers all admission plugins. The order of registration is irrelevant, see AllOrderedPlugins for execution order.

Types

type AdmissionOptions

type AdmissionOptions struct {
	// GenericAdmission holds the generic admission options.
	GenericAdmission *genericoptions.AdmissionOptions
}

AdmissionOptions holds the admission options. It is a wrap of generic AdmissionOptions.

func NewAdmissionOptions

func NewAdmissionOptions() *AdmissionOptions

NewAdmissionOptions creates a new instance of AdmissionOptions Note:

In addition it calls RegisterAllAdmissionPlugins to register
all kube-apiserver admission plugins.

Provides the list of RecommendedPluginOrder that holds sane values
that can be used by servers that don't care about admission chain.
Servers that do care can overwrite/append that field after creation.

func (*AdmissionOptions) AddFlags

func (a *AdmissionOptions) AddFlags(fs *pflag.FlagSet)

AddFlags adds flags related to admission for kube-apiserver to the specified FlagSet

func (*AdmissionOptions) ApplyTo

func (a *AdmissionOptions) ApplyTo(
	c *server.Config,
	informers informers.SharedInformerFactory,
	kubeClient kubernetes.Interface,
	dynamicClient dynamic.Interface,
	features featuregate.FeatureGate,
	pluginInitializers ...admission.PluginInitializer,
) error

ApplyTo adds the admission chain to the server configuration. Kube-apiserver just call generic AdmissionOptions.ApplyTo.

func (*AdmissionOptions) Validate

func (a *AdmissionOptions) Validate() []error

Validate verifies flags passed to kube-apiserver AdmissionOptions. Kube-apiserver verifies PluginNames and then call generic AdmissionOptions.Validate.

type AnonymousAuthenticationOptions

type AnonymousAuthenticationOptions struct {
	Allow bool
}

AnonymousAuthenticationOptions contains anonymous authentication options for API Server

type BootstrapTokenAuthenticationOptions

type BootstrapTokenAuthenticationOptions struct {
	Enable bool
}

BootstrapTokenAuthenticationOptions contains bootstrap token authentication options for API Server

type BuiltInAuthenticationOptions

type BuiltInAuthenticationOptions struct {
	APIAudiences    []string
	Anonymous       *AnonymousAuthenticationOptions
	BootstrapToken  *BootstrapTokenAuthenticationOptions
	ClientCert      *genericoptions.ClientCertAuthenticationOptions
	OIDC            *OIDCAuthenticationOptions
	RequestHeader   *genericoptions.RequestHeaderAuthenticationOptions
	ServiceAccounts *ServiceAccountAuthenticationOptions
	TokenFile       *TokenFileAuthenticationOptions
	WebHook         *WebHookAuthenticationOptions

	TokenSuccessCacheTTL time.Duration
	TokenFailureCacheTTL time.Duration

	DelegatingAuthenticatorConfig *DelegatingAuthenticatorConfig
}

BuiltInAuthenticationOptions contains all build-in authentication options for API Server

func NewBuiltInAuthenticationOptions

func NewBuiltInAuthenticationOptions() *BuiltInAuthenticationOptions

NewBuiltInAuthenticationOptions create a new BuiltInAuthenticationOptions, just set default token cache TTL

func (*BuiltInAuthenticationOptions) AddFlags

func (o *BuiltInAuthenticationOptions) AddFlags(fs *pflag.FlagSet)

AddFlags returns flags of authentication for a API Server

func (*BuiltInAuthenticationOptions) ApplyAuthorization

func (o *BuiltInAuthenticationOptions) ApplyAuthorization(authorization *BuiltInAuthorizationOptions)

ApplyAuthorization will conditionally modify the authentication options based on the authorization options

func (*BuiltInAuthenticationOptions) ApplyTo

ApplyTo requires already applied OpenAPIConfig and EgressSelector if present.

func (*BuiltInAuthenticationOptions) ToAuthenticationConfig

func (o *BuiltInAuthenticationOptions) ToAuthenticationConfig() (kubeauthenticator.Config, error)

ToAuthenticationConfig convert BuiltInAuthenticationOptions to kubeauthenticator.Config

func (*BuiltInAuthenticationOptions) Validate

func (o *BuiltInAuthenticationOptions) Validate() []error

Validate checks invalid config combination

func (*BuiltInAuthenticationOptions) WithAll

WithAll set default value for every build-in authentication option

func (*BuiltInAuthenticationOptions) WithAnonymous

WithAnonymous set default value for anonymous authentication

func (*BuiltInAuthenticationOptions) WithBootstrapToken

WithBootstrapToken set default value for bootstrap token authentication

func (*BuiltInAuthenticationOptions) WithClientCert

WithClientCert set default value for client cert

func (*BuiltInAuthenticationOptions) WithOIDC

WithOIDC set default value for OIDC authentication

func (*BuiltInAuthenticationOptions) WithRequestHeader

WithRequestHeader set default value for request header authentication

func (*BuiltInAuthenticationOptions) WithServiceAccounts

WithServiceAccounts set default value for service account authentication

func (*BuiltInAuthenticationOptions) WithTokenFile

WithTokenFile set default value for token file authentication

func (*BuiltInAuthenticationOptions) WithWebHook

WithWebHook set default value for web hook authentication

type BuiltInAuthorizationOptions

type BuiltInAuthorizationOptions struct {
	Modes                       []string
	PolicyFile                  string
	WebhookConfigFile           string
	WebhookVersion              string
	WebhookCacheAuthorizedTTL   time.Duration
	WebhookCacheUnauthorizedTTL time.Duration
	// WebhookRetryBackoff specifies the backoff parameters for the authorization webhook retry logic.
	// This allows us to configure the sleep time at each iteration and the maximum number of retries allowed
	// before we fail the webhook call in order to limit the fan out that ensues when the system is degraded.
	WebhookRetryBackoff *wait.Backoff
}

BuiltInAuthorizationOptions contains all build-in authorization options for API Server

func NewBuiltInAuthorizationOptions

func NewBuiltInAuthorizationOptions() *BuiltInAuthorizationOptions

NewBuiltInAuthorizationOptions create a BuiltInAuthorizationOptions with default value

func (*BuiltInAuthorizationOptions) AddFlags

func (o *BuiltInAuthorizationOptions) AddFlags(fs *pflag.FlagSet)

AddFlags returns flags of authorization for a API Server

func (*BuiltInAuthorizationOptions) ToAuthorizationConfig

func (o *BuiltInAuthorizationOptions) ToAuthorizationConfig(versionedInformerFactory versionedinformers.SharedInformerFactory) authorizer.Config

ToAuthorizationConfig convert BuiltInAuthorizationOptions to authorizer.Config

func (*BuiltInAuthorizationOptions) Validate

func (o *BuiltInAuthorizationOptions) Validate() []error

Validate checks invalid config combination

type DelegatingAuthenticatorConfig

type DelegatingAuthenticatorConfig struct {
	// TokenAccessReviewTimeout specifies a time limit for requests made by the authorization webhook client.
	TokenAccessReviewTimeout time.Duration

	// WebhookRetryBackoff specifies the backoff parameters for the authentication webhook retry logic.
	// This allows us to configure the sleep time at each iteration and the maximum number of retries allowed
	// before we fail the webhook call in order to limit the fan out that ensues when the system is degraded.
	WebhookRetryBackoff *wait.Backoff

	// CacheTTL is the length of time that a token authentication answer will be cached.
	CacheTTL time.Duration

	APIAudiences authenticator.Audiences
	// contains filtered or unexported fields
}

func (*DelegatingAuthenticatorConfig) New

func (*DelegatingAuthenticatorConfig) Start

type EmbeddedEtcd

type EmbeddedEtcd struct {
	Enabled bool

	Directory    string
	PeerPort     string
	ClientPort   string
	WalSizeBytes int64
}

func NewEmbeddedEtcd

func NewEmbeddedEtcd() *EmbeddedEtcd

func (*EmbeddedEtcd) AddFlags

func (e *EmbeddedEtcd) AddFlags(fs *pflag.FlagSet)

func (*EmbeddedEtcd) Validate

func (e *EmbeddedEtcd) Validate() []error

type ExtraOptions

type ExtraOptions struct {
	EmbeddedEtcd  *EmbeddedEtcd
	ClientKeyFile string
}

type OIDCAuthenticationOptions

type OIDCAuthenticationOptions struct {
	CAFile         string
	ClientID       string
	IssuerURL      string
	UsernameClaim  string
	UsernamePrefix string
	GroupsClaim    string
	GroupsPrefix   string
	SigningAlgs    []string
	RequiredClaims map[string]string
}

OIDCAuthenticationOptions contains OIDC authentication options for API Server

type ServerRunOptions

type ServerRunOptions struct {
	GenericServerRunOptions *genericoptions.ServerRunOptions
	Etcd                    *genericoptions.EtcdOptions
	SecureServing           *genericoptions.SecureServingOptionsWithLoopback
	Audit                   *genericoptions.AuditOptions
	Features                *genericoptions.FeatureOptions
	Traces                  *genericoptions.TracingOptions
	APIEnablement           *genericoptions.APIEnablementOptions
	EgressSelector          *genericoptions.EgressSelectorOptions

	Admission      *AdmissionOptions
	Authentication *BuiltInAuthenticationOptions
	Authorization  *BuiltInAuthorizationOptions

	ServiceClusterIPRanges string // ServiceClusterIPRange is mapped to input provided by user
	// PrimaryServiceClusterIPRange and SecondaryServiceClusterIPRange are the results
	// of parsing ServiceClusterIPRange into actual values
	PrimaryServiceClusterIPRange   net.IPNet
	APIServerServiceIP             net.IP // APIServerServiceIP is the first valid IP from PrimaryServiceClusterIPRange
	SecondaryServiceClusterIPRange net.IPNet

	Metrics                           *metrics.Options
	Logs                              *logs.Options
	EventTTL                          time.Duration
	IdentityLeaseDurationSeconds      int
	IdentityLeaseRenewIntervalSeconds int
	EndpointReconcilerType            string

	EnableAggregatorRouting  bool
	AllowPrivileged          bool
	MaxConnectionBytesPerSec int64

	ServiceAccountSigningKeyFile     string
	ServiceAccountIssuer             serviceaccount.TokenGenerator
	ServiceAccountTokenMaxExpiration time.Duration

	KubeletConfig kubeletclient.KubeletClientConfig
	ExtraOptions  *ExtraOptions

	KubeControllerManagerOptions *kubectrmgroptions.KubeControllerManagerOptions

	// ControlplaneConfigDir contains minimum requried configurations for server
	ControlplaneConfigDir string
	// ControlplaneDataDir is used for saving controlplane data
	ControlplaneDataDir string

	// EnableSelfManagement register the current cluster self as a managed cluster
	EnableSelfManagement bool
	// SelfManagementClusterName is the name of self management cluster, by default, it's local-cluster
	SelfManagementClusterName string

	// options for registration hub controller
	RegistrationOpts *registrationhub.HubManagerOptions

	// EnableDelegatingAuthentication delegate the authentication with controlplane hosing cluster
	EnableDelegatingAuthentication bool

	ProxyClientCertFile string
	ProxyClientKeyFile  string
}

ServerRunOptions runs a kubernetes api server.

func NewServerRunOptions

func NewServerRunOptions() *ServerRunOptions

NewOptions creates a new Options with default parameters

func (*ServerRunOptions) AddFlags

func (options *ServerRunOptions) AddFlags(fs *pflag.FlagSet)

func (*ServerRunOptions) Complete

func (s *ServerRunOptions) Complete(stopCh <-chan struct{}) error

Complete set default Options. Should be called after kube-apiserver flags parsed.

func (*ServerRunOptions) InitServerRunOptions

func (o *ServerRunOptions) InitServerRunOptions(cfg *configs.ControlplaneRunConfig) error

func (*ServerRunOptions) Validate

func (s *ServerRunOptions) Validate() error

type ServiceAccountAuthenticationOptions

type ServiceAccountAuthenticationOptions struct {
	KeyFiles         []string
	Lookup           bool
	Issuers          []string
	JWKSURI          string
	MaxExpiration    time.Duration
	ExtendExpiration bool
}

ServiceAccountAuthenticationOptions contains service account authentication options for API Server

type TokenFileAuthenticationOptions

type TokenFileAuthenticationOptions struct {
	TokenFile string
}

TokenFileAuthenticationOptions contains token file authentication options for API Server

type WebHookAuthenticationOptions

type WebHookAuthenticationOptions struct {
	ConfigFile string
	Version    string
	CacheTTL   time.Duration

	// RetryBackoff specifies the backoff parameters for the authentication webhook retry logic.
	// This allows us to configure the sleep time at each iteration and the maximum number of retries allowed
	// before we fail the webhook call in order to limit the fan out that ensues when the system is degraded.
	RetryBackoff *wait.Backoff
}

WebHookAuthenticationOptions contains web hook authentication options for API Server

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