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Published: Jun 7, 2020 License: Apache-2.0 Imports: 7 Imported by: 10

Documentation

Overview

Package status defines a full featured error type.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func ReplaceOrSuppress

func ReplaceOrSuppress(dst *S, sts S)

Types

type S

type S interface {
	error
	fmt.Stringer
	Code() codes.Code
	Message() string
	Cause() error
	Stack() []uintptr
	// contains filtered or unexported methods
}

func Aborted

func Aborted(e error, v ...interface{}) S

Aborted indicates the operation was aborted, typically due to a concurrency issue like sequencer check failures, transaction aborts, etc.

See litmus test above for deciding between FailedPrecondition, Aborted, and Unavailable.

func Abortedf

func Abortedf(e error, format string, v ...interface{}) S

Abortedf indicates the operation was aborted, typically due to a concurrency issue like sequencer check failures, transaction aborts, etc.

See litmus test above for deciding between FailedPrecondition, Aborted, and Unavailable.

func AlreadyExists

func AlreadyExists(e error, v ...interface{}) S

AlreadyExists means an attempt to create an entity failed because one already exists.

func AlreadyExistsf

func AlreadyExistsf(e error, format string, v ...interface{}) S

AlreadyExists means an attempt to create an entity failed because one already exists.

func Canceled

func Canceled(e error, v ...interface{}) S

Canceledf indicates the operation was canceled (typically by the caller).

func Canceledf

func Canceledf(e error, format string, v ...interface{}) S

Canceledf indicates the operation was canceled (typically by the caller).

func DataLoss

func DataLoss(e error, v ...interface{}) S

DataLoss indicates unrecoverable data loss or corruption.

func DataLossf

func DataLossf(e error, format string, v ...interface{}) S

DataLossf indicates unrecoverable data loss or corruption.

func DeadlineExceeded

func DeadlineExceeded(e error, v ...interface{}) S

DeadlineExceeded means operation expired before completion. For operations that change the state of the system, this error may be returned even if the operation has completed successfully. For example, a successful response from a server could have been delayed long enough for the deadline to expire.

func DeadlineExceededf

func DeadlineExceededf(e error, format string, v ...interface{}) S

DeadlineExceededf means operation expired before completion. For operations that change the state of the system, this error may be returned even if the operation has completed successfully. For example, a successful response from a server could have been delayed long enough for the deadline to expire.

func FailedPrecondition

func FailedPrecondition(e error, v ...interface{}) S

FailedPrecondition indicates operation was rejected because the system is not in a state required for the operation's execution. For example, directory to be deleted may be non-empty, an rmdir operation is applied to a non-directory, etc.

A litmus test that may help a service implementor in deciding between FailedPrecondition, Aborted, and Unavailable:

(a) Use Unavailable if the client can retry just the failing call.
(b) Use Aborted if the client should retry at a higher-level
    (e.g., restarting a read-modify-write sequence).
(c) Use FailedPrecondition if the client should not retry until
    the system state has been explicitly fixed. E.g., if an "rmdir"
    fails because the directory is non-empty, FailedPrecondition
    should be returned since the client should not retry unless
    they have first fixed up the directory by deleting files from it.
(d) Use FailedPrecondition if the client performs conditional
    REST Get/Update/Delete on a resource and the resource on the
    server does not match the condition. E.g., conflicting
    read-modify-write on the same resource.

func FailedPreconditionf

func FailedPreconditionf(e error, format string, v ...interface{}) S

FailedPreconditionf indicates operation was rejected because the system is not in a state required for the operation's execution. For example, directory to be deleted may be non-empty, an rmdir operation is applied to a non-directory, etc.

A litmus test that may help a service implementor in deciding between FailedPrecondition, Aborted, and Unavailable:

(a) Use Unavailable if the client can retry just the failing call.
(b) Use Aborted if the client should retry at a higher-level
    (e.g., restarting a read-modify-write sequence).
(c) Use FailedPrecondition if the client should not retry until
    the system state has been explicitly fixed. E.g., if an "rmdir"
    fails because the directory is non-empty, FailedPrecondition
    should be returned since the client should not retry unless
    they have first fixed up the directory by deleting files from it.
(d) Use FailedPrecondition if the client performs conditional
    REST Get/Update/Delete on a resource and the resource on the
    server does not match the condition. E.g., conflicting
    read-modify-write on the same resource.

func From

func From(err error) S

func Internal

func Internal(e error, v ...interface{}) S

Internal errors. Means some invariants expected by underlying system has been broken. If you see one of these errors, something is very broken.

func Internalf

func Internalf(e error, format string, v ...interface{}) S

Internal errors. Means some invariants expected by underlying system has been broken. If you see one of these errors, something is very broken.

func InvalidArgument

func InvalidArgument(e error, v ...interface{}) S

InvalidArgument indicates client specified an invalid argument. Note that this differs from FailedPrecondition. It indicates arguments that are problematic regardless of the state of the system (e.g., a malformed file name).

func InvalidArgumentf

func InvalidArgumentf(e error, format string, v ...interface{}) S

InvalidArgumentf indicates client specified an invalid argument. Note that this differs from FailedPrecondition. It indicates arguments that are problematic regardless of the state of the system (e.g., a malformed file name).

func NotFound

func NotFound(e error, v ...interface{}) S

NotFound means some requested entity (e.g., file or directory) was not found.

func NotFoundf

func NotFoundf(e error, format string, v ...interface{}) S

NotFoundf means some requested entity (e.g., file or directory) was not found.

func OutOfRange

func OutOfRange(e error, v ...interface{}) S

OutOfRange means operation was attempted past the valid range. E.g., seeking or reading past end of file.

Unlike InvalidArgument, this error indicates a problem that may be fixed if the system state changes. For example, a 32-bit file system will generate InvalidArgument if asked to read at an offset that is not in the range [0,2^32-1], but it will generate OutOfRange if asked to read from an offset past the current file size.

There is a fair bit of overlap between FailedPrecondition and OutOfRange. We recommend using OutOfRange (the more specific error) when it applies so that callers who are iterating through a space can easily look for an OutOfRange error to detect when they are done.

func OutOfRangef

func OutOfRangef(e error, format string, v ...interface{}) S

OutOfRangef means operation was attempted past the valid range. E.g., seeking or reading past end of file.

Unlike InvalidArgument, this error indicates a problem that may be fixed if the system state changes. For example, a 32-bit file system will generate InvalidArgument if asked to read at an offset that is not in the range [0,2^32-1], but it will generate OutOfRange if asked to read from an offset past the current file size.

There is a fair bit of overlap between FailedPrecondition and OutOfRange. We recommend using OutOfRange (the more specific error) when it applies so that callers who are iterating through a space can easily look for an OutOfRange error to detect when they are done.

func PermissionDenied

func PermissionDenied(e error, v ...interface{}) S

PermissionDenied indicates the caller does not have permission to execute the specified operation. It must not be used for rejections caused by exhausting some resource (use ResourceExhausted instead for those errors). It must not be used if the caller cannot be identified (use Unauthenticated instead for those errors).

func PermissionDeniedf

func PermissionDeniedf(e error, format string, v ...interface{}) S

PermissionDeniedf indicates the caller does not have permission to execute the specified operation. It must not be used for rejections caused by exhausting some resource (use ResourceExhausted instead for those errors). It must not be used if the caller cannot be identified (use Unauthenticated instead for those errors).

func ResourceExhausted

func ResourceExhausted(e error, v ...interface{}) S

ResourceExhausted indicates some resource has been exhausted, perhaps a per-user quota, or perhaps the entire file system is out of space.

func ResourceExhaustedf

func ResourceExhaustedf(e error, format string, v ...interface{}) S

ResourceExhaustedf indicates some resource has been exhausted, perhaps a per-user quota, or perhaps the entire file system is out of space.

func Unauthenticated

func Unauthenticated(e error, v ...interface{}) S

Unauthenticated indicates the request does not have valid authentication credentials for the operation.

func Unauthenticatedf

func Unauthenticatedf(e error, format string, v ...interface{}) S

Unauthenticatedf indicates the request does not have valid authentication credentials for the operation.

func Unavailable

func Unavailable(e error, v ...interface{}) S

Unavailable indicates the service is currently unavailable. This is a most likely a transient condition and may be corrected by retrying with a backoff.

See litmus test above for deciding between FailedPrecondition, Aborted, and Unavailable.

func Unavailablef

func Unavailablef(e error, format string, v ...interface{}) S

Unavailablef indicates the service is currently unavailable. This is a most likely a transient condition and may be corrected by retrying with a backoff.

See litmus test above for deciding between FailedPrecondition, Aborted, and Unavailable.

func Unimplemented

func Unimplemented(e error, v ...interface{}) S

Unimplemented indicates operation is not implemented or not supported/enabled in this service.

func Unimplementedf

func Unimplementedf(e error, format string, v ...interface{}) S

Unimplementedf indicates operation is not implemented or not supported/enabled in this service.

func Unknown

func Unknown(e error, v ...interface{}) S

Unknown error. An example of where this error may be returned is if a Status value received from another address space belongs to an error-space that is not known in this address space. Also errors raised by APIs that do not return enough error information may be converted to this error.

func Unknownf

func Unknownf(e error, format string, v ...interface{}) S

Unknown error. An example of where this error may be returned is if a Status value received from another address space belongs to an error-space that is not known in this address space. Also errors raised by APIs that do not return enough error information may be converted to this error.

func WithSuppressed

func WithSuppressed(s S, suppressed ...error) S

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