diff options
| author | mo khan <mo@mokhan.ca> | 2025-05-28 21:27:37 -0600 |
|---|---|---|
| committer | mo khan <mo@mokhan.ca> | 2025-05-28 21:27:37 -0600 |
| commit | 0a96d6e1482ffb5f9224b4103193eac4340b728a (patch) | |
| tree | 96c00fa1f1fafb5750f3aa6badf2d8316b97de53 /vendor/github.com/containerd/errdefs/resolve.go | |
| parent | cf1050dba0f0b0b26d18ce45ae2c8821153759bd (diff) | |
chore: update modules
Diffstat (limited to 'vendor/github.com/containerd/errdefs/resolve.go')
| -rw-r--r-- | vendor/github.com/containerd/errdefs/resolve.go | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/vendor/github.com/containerd/errdefs/resolve.go b/vendor/github.com/containerd/errdefs/resolve.go new file mode 100644 index 0000000..c02d4a7 --- /dev/null +++ b/vendor/github.com/containerd/errdefs/resolve.go @@ -0,0 +1,147 @@ +/* + Copyright The containerd 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 errdefs + +import "context" + +// Resolve returns the first error found in the error chain which matches an +// error defined in this package or context error. A raw, unwrapped error is +// returned or ErrUnknown if no matching error is found. +// +// This is useful for determining a response code based on the outermost wrapped +// error rather than the original cause. For example, a not found error deep +// in the code may be wrapped as an invalid argument. When determining status +// code from Is* functions, the depth or ordering of the error is not +// considered. +// +// The search order is depth first, a wrapped error returned from any part of +// the chain from `Unwrap() error` will be returned before any joined errors +// as returned by `Unwrap() []error`. +func Resolve(err error) error { + if err == nil { + return nil + } + err = firstError(err) + if err == nil { + err = ErrUnknown + } + return err +} + +func firstError(err error) error { + for { + switch err { + case ErrUnknown, + ErrInvalidArgument, + ErrNotFound, + ErrAlreadyExists, + ErrPermissionDenied, + ErrResourceExhausted, + ErrFailedPrecondition, + ErrConflict, + ErrNotModified, + ErrAborted, + ErrOutOfRange, + ErrNotImplemented, + ErrInternal, + ErrUnavailable, + ErrDataLoss, + ErrUnauthenticated, + context.DeadlineExceeded, + context.Canceled: + return err + } + switch e := err.(type) { + case customMessage: + err = e.err + case unknown: + return ErrUnknown + case invalidParameter: + return ErrInvalidArgument + case notFound: + return ErrNotFound + case alreadyExists: + return ErrAlreadyExists + case forbidden: + return ErrPermissionDenied + case resourceExhausted: + return ErrResourceExhausted + case failedPrecondition: + return ErrFailedPrecondition + case conflict: + return ErrConflict + case notModified: + return ErrNotModified + case aborted: + return ErrAborted + case errOutOfRange: + return ErrOutOfRange + case notImplemented: + return ErrNotImplemented + case system: + return ErrInternal + case unavailable: + return ErrUnavailable + case dataLoss: + return ErrDataLoss + case unauthorized: + return ErrUnauthenticated + case deadlineExceeded: + return context.DeadlineExceeded + case cancelled: + return context.Canceled + case interface{ Unwrap() error }: + err = e.Unwrap() + if err == nil { + return nil + } + case interface{ Unwrap() []error }: + for _, ue := range e.Unwrap() { + if fe := firstError(ue); fe != nil { + return fe + } + } + return nil + case interface{ Is(error) bool }: + for _, target := range []error{ErrUnknown, + ErrInvalidArgument, + ErrNotFound, + ErrAlreadyExists, + ErrPermissionDenied, + ErrResourceExhausted, + ErrFailedPrecondition, + ErrConflict, + ErrNotModified, + ErrAborted, + ErrOutOfRange, + ErrNotImplemented, + ErrInternal, + ErrUnavailable, + ErrDataLoss, + ErrUnauthenticated, + context.DeadlineExceeded, + context.Canceled} { + if e.Is(target) { + return target + } + } + return nil + default: + return nil + } + } +} |
