cmd

package
v1.7.0 Latest Latest
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 Go to latest Published: Jul 3, 2020 License: Apache-2.0, BSD-2-Clause, MIT, + 1 more Imports: 10 Imported by: 118

Documentation

Index

Constants

View Source 
const (
	// LeaderElectionFlag is the name of the command line flag to specify whether to do leader election or not.
	LeaderElectionFlag = "leader-election"
	// LeaderElectionIDFlag is the name of the command line flag to specify the leader election ID.
	LeaderElectionIDFlag = "leader-election-id"
	// LeaderElectionNamespaceFlag is the name of the command line flag to specify the leader election namespace.
	LeaderElectionNamespaceFlag = "leader-election-namespace"
	// WebhookServerHostFlag is the name of the command line flag to specify the webhook config host for 'url' mode.
	WebhookServerHostFlag = "webhook-config-server-host"
	// WebhookServerPortFlag is the name of the command line flag to specify the webhook server port.
	WebhookServerPortFlag = "webhook-config-server-port"
	// WebhookCertDirFlag is the name of the command line flag to specify the webhook certificate directory.
	WebhookCertDirFlag = "webhook-config-cert-dir"

	// MaxConcurrentReconcilesFlag is the name of the command line flag to specify the maximum number of
	// concurrent reconciliations a controller can do.
	MaxConcurrentReconcilesFlag = "max-concurrent-reconciles"

	// KubeconfigFlag is the name of the command line flag to specify a kubeconfig used to retrieve
	// a rest.Config for a manager.Manager.
	KubeconfigFlag = clientcmd.RecommendedConfigPathFlag
	// MasterURLFlag is the name of the command line flag to specify the master URL override for
	// a rest.Config of a manager.Manager.
	MasterURLFlag = "master"

	// DisableFlag is the name of the command line flag to disable individual controllers.
	DisableFlag = "disable-controllers"
)
View Source 
const (
	// IgnoreOperationAnnotationFlag is the name of the command line flag to specify whether the operation annotation
	// is ignored or not.
	IgnoreOperationAnnotationFlag = "ignore-operation-annotation"
)

Variables

View Source 
var (
	// Log is log.Log. Exposed for testing.
	Log = log.Log
	// Exit calls os.Exit. Exposed for testing.
	Exit = os.Exit
)
View Source 
var (
	// BuildConfigFromFlags creates a build configuration from the given flags. Exposed for testing.
	BuildConfigFromFlags = clientcmd.BuildConfigFromFlags
	// InClusterConfig obtains the current in-cluster config. Exposed for testing.
	InClusterConfig = rest.InClusterConfig
	// Getenv obtains the environment variable with the given name. Exposed for testing.
	Getenv = os.Getenv
	// RecommendedHomeFile is the recommended location of the kubeconfig. Exposed for testing.
	RecommendedHomeFile = clientcmd.RecommendedHomeFile
)

Functions

func LeaderElectionNameID 

func LeaderElectionNameID(name string) string

LeaderElectionNameID returns a leader election ID for the given name.

func LogErrAndExit 

func LogErrAndExit(err error, msg string, keysAndValues ...interface{})

LogErrAndExit logs the given error with msg and keysAndValues and calls `os.Exit(1)`.

Types

type Completer 

type Completer interface {
	// Complete completes the work, optionally returning an error.
	Complete() error
}

Completer completes some work.

type ControllerConfig 

type ControllerConfig struct {
	// MaxConcurrentReconciles is the maximum number of concurrent reconciles.
	MaxConcurrentReconciles int
}

ControllerConfig is a completed controller configuration.

func (*ControllerConfig) Apply 

func (c *ControllerConfig) Apply(opts *controller.Options)

Apply sets the values of this ControllerConfig in the given controller.Options.

func (*ControllerConfig) Options 

func (c *ControllerConfig) Options() controller.Options

Options initializes empty controller.Options, applies the set values and returns it.

type ControllerOptions 

type ControllerOptions struct {
	// MaxConcurrentReconciles are the maximum concurrent reconciles.
	MaxConcurrentReconciles int
	// contains filtered or unexported fields
}

ControllerOptions are command line options that can be set for controller.Options.

func (*ControllerOptions) AddFlags 

func (c *ControllerOptions) AddFlags(fs *pflag.FlagSet)

AddFlags implements Flagger.AddFlags.

func (*ControllerOptions) Complete 

func (c *ControllerOptions) Complete() error

Complete implements Completer.Complete.

func (*ControllerOptions) Completed 

func (c *ControllerOptions) Completed() *ControllerConfig

Completed returns the completed ControllerConfig. Only call this if `Complete` was successful.

type Flagger 

type Flagger interface {
	// AddFlags adds the flags of this Flagger to the given FlagSet.
	AddFlags(*pflag.FlagSet)
}

Flagger adds flags to a given FlagSet.

func PrefixFlagger 

func PrefixFlagger(prefix string, flagger Flagger) Flagger

PrefixFlagger creates a flagger that prefixes all its flags with the given prefix.

type ManagerConfig 

type ManagerConfig struct {
	// LeaderElection is whether leader election is turned on or not.
	LeaderElection bool
	// LeaderElectionID is the id to do leader election with.
	LeaderElectionID string
	// LeaderElectionNamespace is the namespace to do leader election in.
	LeaderElectionNamespace string
	// WebhookServerHost is the host for the webhook server.
	WebhookServerHost string
	// WebhookServerPort is the port for the webhook server.
	WebhookServerPort int
	// WebhookCertDir is the directory that contains the webhook server key and certificate.
	WebhookCertDir string
}

ManagerConfig is a completed manager configuration.

func (*ManagerConfig) Apply 

func (c *ManagerConfig) Apply(opts *manager.Options)

Apply sets the values of this ManagerConfig in the given manager.Options.

func (*ManagerConfig) Options 

func (c *ManagerConfig) Options() manager.Options

Options initializes empty manager.Options, applies the set values and returns it.

type ManagerOptions 

type ManagerOptions struct {
	// LeaderElection is whether leader election is turned on or not.
	LeaderElection bool
	// LeaderElectionID is the id to do leader election with.
	LeaderElectionID string
	// LeaderElectionNamespace is the namespace to do leader election in.
	LeaderElectionNamespace string
	// WebhookServerHost is the host for the webhook server.
	WebhookServerHost string
	// WebhookServerPort is the port for the webhook server.
	WebhookServerPort int
	// WebhookCertDir is the directory that contains the webhook server key and certificate.
	WebhookCertDir string
	// contains filtered or unexported fields
}

ManagerOptions are command line options that can be set for manager.Options.

func (*ManagerOptions) AddFlags 

func (m *ManagerOptions) AddFlags(fs *pflag.FlagSet)

AddFlags implements Flagger.AddFlags.

func (*ManagerOptions) Complete 

func (m *ManagerOptions) Complete() error

Complete implements Completer.Complete.

func (*ManagerOptions) Completed 

func (m *ManagerOptions) Completed() *ManagerConfig

Completed returns the completed ManagerConfig. Only call this if `Complete` was successful.

type NameToAddToManagerFunc 

type NameToAddToManagerFunc struct {
	Name string
	Func func(manager.Manager) error
}

NameToAddToManagerFunc binds a specific name to a controller's AddToManager function.

func Switch 

func Switch(name string, f func(manager.Manager) error) NameToAddToManagerFunc

Switch binds the given name to the given AddToManager function.

type Option 

type Option interface {
	Flagger
	Completer
}

Option is a Flagger and Completer. It sets command line flags and does some work when the flags have been parsed, optionally producing an error.

func PrefixOption 

func PrefixOption(prefix string, option Option) Option

PrefixOption creates an option that prefixes all its flags with the given prefix.

type OptionAggregator 

type OptionAggregator []Option

OptionAggregator is a builder that aggregates multiple options.

func NewOptionAggregator 

func NewOptionAggregator(options ...Option) OptionAggregator

NewOptionAggregator instantiates a new OptionAggregator and registers all given options.

func (*OptionAggregator) AddFlags 

func (b *OptionAggregator) AddFlags(fs *pflag.FlagSet)

AddFlags implements Flagger.AddFlags.

func (*OptionAggregator) Complete 

func (b *OptionAggregator) Complete() error

Complete implements Completer.Complete.

func (*OptionAggregator) Register 

func (b *OptionAggregator) Register(options ...Option)

Register registers the given options in this OptionAggregator.

type RESTConfig 

type RESTConfig struct {
	// Config is the rest.Config.
	Config *rest.Config
}

RESTConfig is a completed REST configuration.

type RESTOptions 

type RESTOptions struct {
	// Kubeconfig is the path to a kubeconfig.
	Kubeconfig string
	// MasterURL is an override for the URL in a kubeconfig. Only used if out-of-cluster.
	MasterURL string
	// contains filtered or unexported fields
}

RESTOptions are command line options that can be set for rest.Config.

func (*RESTOptions) AddFlags 

func (r *RESTOptions) AddFlags(fs *pflag.FlagSet)

AddFlags implements Flagger.AddFlags.

func (*RESTOptions) Complete 

func (r *RESTOptions) Complete() error

Complete implements RESTCompleter.Complete.

func (*RESTOptions) Completed 

func (r *RESTOptions) Completed() *RESTConfig

Completed returns the completed RESTConfig. Only call this if `Complete` was successful.

type ReconcilerConfig 

type ReconcilerConfig struct {
	// IgnoreOperationAnnotation defines whether to ignore the operation annotation or not.
	IgnoreOperationAnnotation bool
}

ReconcilerConfig is a completed controller configuration.

func (*ReconcilerConfig) Apply 

func (c *ReconcilerConfig) Apply(ignore *bool)

Apply sets the values of this ReconcilerConfig in the given controller.Options.

type ReconcilerOptions 

type ReconcilerOptions struct {
	// IgnoreOperationAnnotation defines whether to ignore the operation annotation or not.
	IgnoreOperationAnnotation bool
	// contains filtered or unexported fields
}

ReconcilerOptions are command line options that can be set for controller.Options.

func (*ReconcilerOptions) AddFlags 

func (c *ReconcilerOptions) AddFlags(fs *pflag.FlagSet)

AddFlags implements Flagger.AddFlags.

func (*ReconcilerOptions) Complete 

func (c *ReconcilerOptions) Complete() error

Complete implements Completer.Complete.

func (*ReconcilerOptions) Completed 

func (c *ReconcilerOptions) Completed() *ReconcilerConfig

Completed returns the completed ReconcilerConfig. Only call this if `Complete` was successful.

type SwitchConfig 

type SwitchConfig struct {
	AddToManager func(manager.Manager) error
}

SwitchConfig is the completed configuration of SwitchOptions.

type SwitchOptions 

type SwitchOptions struct {
	Disabled []string
	// contains filtered or unexported fields
}

SwitchOptions are options to build an AddToManager function that filters the disabled controllers.

func NewSwitchOptions 

func NewSwitchOptions(pairs ...NameToAddToManagerFunc) *SwitchOptions

NewSwitchOptions creates new SwitchOptions with the given initial pairs.

func (*SwitchOptions) AddFlags 

func (d *SwitchOptions) AddFlags(fs *pflag.FlagSet)

AddFlags implements Option.

func (*SwitchOptions) Complete 

func (d *SwitchOptions) Complete() error

Complete implements Option.

func (*SwitchOptions) Completed 

func (d *SwitchOptions) Completed() *SwitchConfig

Completed returns the completed SwitchConfig. Call this only after successfully calling `Completed`.

func (*SwitchOptions) Register 

func (d *SwitchOptions) Register(pairs ...NameToAddToManagerFunc)

Register registers the given NameToControllerFuncs in the options.

Source Files

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