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v1.16.0 Latest Latest
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 Go to latest Published: Aug 2, 2023 License: Apache-2.0 Imports: 18 Imported by: 0

Documentation

Index

Constants

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const APIServerErrorCode = "2002"

APIServerErrorCode is the error code for a status Error originating from the kubernetes API server.

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const ActionableHydrationErrorCode = "1068"

ActionableHydrationErrorCode is the error code for a user actionable Error related to the hydration process.

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const EmptySourceErrorCode = "2006"

EmptySourceErrorCode is the error code for an EmptySourceError.

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const EncodeDeclaredFieldErrorCode = "1067"

EncodeDeclaredFieldErrorCode is the error code for errors that happen when encoding the declared fields.

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const FightErrorCode = "2005"

FightErrorCode is the error code for Config Sync fighting with other controllers.

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const InsufficientPermissionErrorCode = "2013"

InsufficientPermissionErrorCode is the error code when the reconciler has insufficient permissions to manage resources.

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const InternalErrorCode = "9998"

InternalErrorCode is the error code for Internal.

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const InternalHydrationErrorCode = "2015"

InternalHydrationErrorCode is the error code for an internal Error related to the hydration process.

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const ManagementConflictErrorCode = "1060"

ManagementConflictErrorCode is the error code for management conflict errors.

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const MissingResourceErrorCode = "2011"

MissingResourceErrorCode is the error code for a MissingResourceError.

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const MultipleSingletonsErrorCode = "2012"

MultipleSingletonsErrorCode is the error code for MultipleSingletonsError

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const OSErrorCode = "2003"

OSErrorCode is the error code for a status Error originating from an OS-level function call.

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const ObjectParseErrorCode = "1006"

ObjectParseErrorCode is the code for ObjectParseError.

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const PathErrorCode = "2001"

PathErrorCode is the error code for a generic PathError.

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const ResourceErrorCode = "2010"

ResourceErrorCode is the error code for a generic ResourceError.

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const SourceErrorCode = "2004"

SourceErrorCode is the error code for a status Error related to the repo's source of truth.

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const TransientErrorCode = "2016"

TransientErrorCode is the error code for a transient error that might be auto-resolved in the retry.

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const UndocumentedErrorCode = "9999"

UndocumentedErrorCode is the error code for Undocumented.

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const UnknownKindErrorCode = "1021" // Impossible to create consistent example.

UnknownKindErrorCode is the error code for UnknownObjectKindError

Variables

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var EmptySourceErrorBuilder = NewErrorBuilder(EmptySourceErrorCode)

EmptySourceErrorBuilder is an ErrorBuilder for errors related to the repo's source of truth.

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var InsufficientPermissionErrorBuilder = NewErrorBuilder(InsufficientPermissionErrorCode).
	Sprint("Insufficient permission. To fix, make sure the reconciler has sufficient permissions.")

InsufficientPermissionErrorBuilder represents an error related to insufficient permissions returned by the APIServer.

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var InternalErrorBuilder = NewErrorBuilder(InternalErrorCode).Sprint("internal error")

InternalErrorBuilder allows creating complex internal errors.

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var ManagementConflictErrorBuilder = NewErrorBuilder(ManagementConflictErrorCode)

ManagementConflictErrorBuilder is the builder for management conflict errors.

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var ResourceErrorBuilder = NewErrorBuilder(ResourceErrorCode)

ResourceErrorBuilder almost always results from an API server call involving one or more resources.

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var SourceError = NewErrorBuilder(SourceErrorCode)

SourceError is an ErrorBuilder for errors related to the repo's source of truth.

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var UndocumentedErrorBuilder = NewErrorBuilder(UndocumentedErrorCode)

UndocumentedErrorBuilder builds Undocumented errors.

Functions

func CodeRegistry 

func CodeRegistry() []string

CodeRegistry returns a sorted list of currently registered error codes.

func CountErrorByClass added in v1.15.1 

func CountErrorByClass(errs []v1beta1.ConfigSyncError) map[string]int64

CountErrorByClass counts the errors by errorclass. The errorclass is a string derived from the error code. For example, the errorclass of a ConfigSyncErrow with the error code of "1323" is "1xxx".

func DeepEqual 

func DeepEqual(left, right MultiError) bool

DeepEqual determines whether two MultiError objects are equal. DeepEqual sorts the two MultiError objects before comparing them. Two `status.Error` objects are considered equal if they have the same code and body.

func EnablePanicOnMisuse 

func EnablePanicOnMisuse()

EnablePanicOnMisuse makes status.Error ensure errors are properly formatted, aren't wrapped unnecessarily, and so on. Should only be enabled in debugging and test settings, not in production.

func FormatMultiLine 

func FormatMultiLine(e error) string

FormatMultiLine formats multi-errors into multi-line style Errors are joined with two new lines

func FormatSingleLine 

func FormatSingleLine(e error) string

FormatSingleLine format multi-errors into single-style Each error is reformatted as single line and joined with new line

func GetSourceAnnotation 

func GetSourceAnnotation(obj client.Object) string

GetSourceAnnotation returns the string value of the SourcePath Annotation. Returns empty string if unset or the object has no annotations.

func HasBlockingErrors 

func HasBlockingErrors(errs MultiError) bool

HasBlockingErrors return whether `errs` include any blocking errors.

An error is blocking if it requires the users to do something so that Config Sync can sync successfully.

func HasTransientErrors added in v1.15.1 

func HasTransientErrors(errs MultiError) bool

HasTransientErrors return whether `errs` include any transient errors.

A transient error is not exposed in the R*Sync API, and is expected to be auto-resolved in the next retry loop.

func NonBlockingErrors 

func NonBlockingErrors(errs MultiError) []v1beta1.ConfigSyncError

NonBlockingErrors return the non-blocking errors.

func PrintResource 

func PrintResource(r client.Object) string

PrintResource returns a human-readable output for the Resource.

func PurifyError 

func PurifyError(e error) []string

PurifyError extracts unique errors, sort and return them as array of string

func ToCME 

func ToCME(m MultiError) []v1.ConfigManagementError

ToCME converts a MultiError to ConfigManagementError.

func ToCSE 

func ToCSE(m MultiError) []v1beta1.ConfigSyncError

ToCSE converts a MultiError to ConfigSyncErrors.

Types

type Error 

type Error interface {
	MultiError
	// ToCME converts the implementor into ConfigManagementError, preserving
	// structured information.
	ToCME() v1.ConfigManagementError
	// ToCSE converts the implementor into ConfigSyncError, preserving structured
	// information.
	ToCSE() v1beta1.ConfigSyncError
	// Code is the unique identifier of the error to help users find documentation.
	Code() string
	// Body is the body of the error to be printed.
	Body() string
	// Is allows comparing error types through errors.Is.
	Is(target error) bool
	// contains filtered or unexported methods
}

Error defines a Kubernetes Nomos Vet error These are GKE Config Management directory errors which are shown to the user and documented.

func APIServerError 

func APIServerError(err error, message string, resources ...client.Object) Error

APIServerError wraps an error returned by the APIServer.

func APIServerErrorf 

func APIServerErrorf(err error, format string, a ...interface{}) Error

APIServerErrorf wraps an error returned by the APIServer with a formatted message.

func EmptySourceError 

func EmptySourceError(current int, resourceType string) Error

EmptySourceError returns an EmptySourceError when the specified number of resources would have be deleted.

func EncodeDeclaredFieldError 

func EncodeDeclaredFieldError(resource client.Object, err error) Error

EncodeDeclaredFieldError reports that an error happens when encoding the declared fields for an object.

func HydrationError 

func HydrationError(code string, err error) Error

HydrationError returns a hydration error.

func InternalError 

func InternalError(message string) Error

InternalError represents conditions that should ever happen, but that we check for so that we can control how the program terminates when these unexpected situations occur.

These errors specifically happen when the code has a bug - as long as objects are being used as their contracts require, and as long as they follow their contracts, it should not be possible to trigger these.

func InternalErrorf 

func InternalErrorf(format string, a ...interface{}) Error

InternalErrorf returns an InternalError with a formatted message.

func InternalHydrationError 

func InternalHydrationError(err error, format string, a ...interface{}) Error

InternalHydrationError returns an internal error related to the hydration process.

func InternalWrap 

func InternalWrap(err error) Error

InternalWrap wraps an error as an internal error.

func MissingResourceWrap 

func MissingResourceWrap(err error, msg string, resources ...client.Object) Error

MissingResourceWrap returns a MissingResourceError wrapping the given error and Resources.

func MultipleSingletonsError 

func MultipleSingletonsError(duplicates ...client.Object) Error

MultipleSingletonsError reports that multiple singleton resources were found on the cluster.

func OSWrap 

func OSWrap(err error) Error

OSWrap returns an Error wrapping an OS-level error.

func ObjectParseError 

func ObjectParseError(resource client.Object, err error) Error

ObjectParseError reports that an object of known type did not match its definition, and so it was read in as an *unstructured.Unstructured.

func PathWrapError 

func PathWrapError(err error, slashPaths ...string) Error

PathWrapError returns a PathError wrapping an error one or more relative paths.

func ResourceWrap 

func ResourceWrap(err error, msg string, resources ...client.Object) Error

ResourceWrap returns a ResourceError wrapping the given error and Resources.

func TransientError added in v1.15.1 

func TransientError(err error) Error

TransientError returns a transient error.

func UndocumentedError 

func UndocumentedError(message string) Error

UndocumentedError returns a Undocumented with the string representation of the passed object.

func UndocumentedErrorf 

func UndocumentedErrorf(format string, a ...interface{}) Error

UndocumentedErrorf returns a Undocumented with the string representation of the passed object.

func UnknownGroupKindError 

func UnknownGroupKindError(gk schema.GroupKind) Error

UnknownGroupKindError reports that a GroupKind is not defined on the cluster, so we can't sync it.

func UnknownObjectKindError 

func UnknownObjectKindError(resource client.Object) Error

UnknownObjectKindError reports that an object declared in the repo does not have a definition in the cluster.

type ErrorBuilder 

type ErrorBuilder struct {
	// contains filtered or unexported fields
}

ErrorBuilder constructs complex, structured error messages. Use NewErrorBuilder to register a KNV for a new code.

func NewErrorBuilder 

func NewErrorBuilder(code string) ErrorBuilder

NewErrorBuilder returns an ErrorBuilder that can be used to generate errors. Registers this call with the passed unique code. Panics if there is an error code collision.

func (ErrorBuilder) Build 

func (eb ErrorBuilder) Build() Error

Build returns the Error inside the ErrorBuilder.

func (ErrorBuilder) BuildWithConflictingManagers 

func (eb ErrorBuilder) BuildWithConflictingManagers(resource client.Object, newManager, currentManager string) ManagementConflictError

BuildWithConflictingManagers adds the conflicting manager and the resource declared in the repository to the Error. newManager is the manager annotation for the current remediator/reconciler. currentManager is the manager annotation in the actual resource. It is also known as conflictingManager.

func (ErrorBuilder) BuildWithPaths 

func (eb ErrorBuilder) BuildWithPaths(paths ...id.Path) PathError

BuildWithPaths adds paths within the repository to the Error.

func (ErrorBuilder) BuildWithResources 

func (eb ErrorBuilder) BuildWithResources(resources ...client.Object) ResourceError

BuildWithResources adds resources declared in the repository to the Error.

func (ErrorBuilder) Sprint 

func (eb ErrorBuilder) Sprint(message string) ErrorBuilder

Sprint adds a message string into the Error inside the ErrorBuilder.

func (ErrorBuilder) Sprintf 

func (eb ErrorBuilder) Sprintf(format string, a ...interface{}) ErrorBuilder

Sprintf adds a formatted string into the Error inside the ErrorBuilder.

func (ErrorBuilder) Wrap 

func (eb ErrorBuilder) Wrap(toWrap error) ErrorBuilder

Wrap adds an error into the Error inside the ErrorBuilder.

type ManagementConflictError 

type ManagementConflictError interface {
	// ConflictingManager returns the annotation value of the other conflicting manager.
	ConflictingManager() string
	// CurrentManagerError returns the error that will be surfaced to the current manager.
	CurrentManagerError() ManagementConflictError
	// ConflictingManagerError returns the error that will be surfaced to the other conflicting manager.
	ConflictingManagerError() ManagementConflictError
	Error
}

ManagementConflictError indicates that the passed resource is illegally declared in multiple repositories.

func ManagementConflictErrorWrap 

func ManagementConflictErrorWrap(resource client.Object, newManager string) ManagementConflictError

ManagementConflictErrorWrap returns the ManagementConflictError.

type MultiError 

type MultiError interface {
	error
	Errors() []Error
}

MultiError represents a collection of errors.

func Append 

func Append(m MultiError, err error, errs ...error) MultiError

Append adds one or more errors to an existing MultiError. If m, err, and errs are nil, returns nil.

Requires at least one error to be passed explicitly to prevent developer mistakes. There is no valid reason to call Append with exactly one argument.

If err is a MultiError, appends all contained errors.

type PathError 

type PathError interface {
	Error
	RelativePaths() []id.Path
}

PathError defines a status error associated with one or more path-identifiable locations in the repo.

type ResourceError 

type ResourceError interface {
	Error
	Resources() []client.Object
}

ResourceError defines a status error related to one or more k8s resources.

func FightError added in v1.15.1 

func FightError(frequency float64, resource client.Object) ResourceError

FightError represents when the remediator is fighting over a resource object with some other process on a Kubernetes cluster.

Source Files

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