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errors.go
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/
errors.go
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package distribution
import (
"fmt"
"strings"
"github.com/docker/distribution/digest"
"github.com/docker/distribution/manifest"
)
var (
// ErrLayerExists returned when layer already exists
ErrLayerExists = fmt.Errorf("layer exists")
// ErrLayerTarSumVersionUnsupported when tarsum is unsupported version.
ErrLayerTarSumVersionUnsupported = fmt.Errorf("unsupported tarsum version")
// ErrLayerUploadUnknown returned when upload is not found.
ErrLayerUploadUnknown = fmt.Errorf("layer upload unknown")
// ErrLayerClosed returned when an operation is attempted on a closed
// Layer or LayerUpload.
ErrLayerClosed = fmt.Errorf("layer closed")
)
// ErrRepositoryUnknown is returned if the named repository is not known by
// the registry.
type ErrRepositoryUnknown struct {
Name string
}
func (err ErrRepositoryUnknown) Error() string {
return fmt.Sprintf("unknown respository name=%s", err.Name)
}
// ErrRepositoryNameInvalid should be used to denote an invalid repository
// name. Reason may set, indicating the cause of invalidity.
type ErrRepositoryNameInvalid struct {
Name string
Reason error
}
func (err ErrRepositoryNameInvalid) Error() string {
return fmt.Sprintf("repository name %q invalid: %v", err.Name, err.Reason)
}
// ErrManifestUnknown is returned if the manifest is not known by the
// registry.
type ErrManifestUnknown struct {
Name string
Tag string
}
func (err ErrManifestUnknown) Error() string {
return fmt.Sprintf("unknown manifest name=%s tag=%s", err.Name, err.Tag)
}
// ErrUnknownManifestRevision is returned when a manifest cannot be found by
// revision within a repository.
type ErrUnknownManifestRevision struct {
Name string
Revision digest.Digest
}
func (err ErrUnknownManifestRevision) Error() string {
return fmt.Sprintf("unknown manifest name=%s revision=%s", err.Name, err.Revision)
}
// ErrManifestUnverified is returned when the registry is unable to verify
// the manifest.
type ErrManifestUnverified struct{}
func (ErrManifestUnverified) Error() string {
return fmt.Sprintf("unverified manifest")
}
// ErrManifestVerification provides a type to collect errors encountered
// during manifest verification. Currently, it accepts errors of all types,
// but it may be narrowed to those involving manifest verification.
type ErrManifestVerification []error
func (errs ErrManifestVerification) Error() string {
var parts []string
for _, err := range errs {
parts = append(parts, err.Error())
}
return fmt.Sprintf("errors verifying manifest: %v", strings.Join(parts, ","))
}
// ErrUnknownLayer returned when layer cannot be found.
type ErrUnknownLayer struct {
FSLayer manifest.FSLayer
}
func (err ErrUnknownLayer) Error() string {
return fmt.Sprintf("unknown layer %v", err.FSLayer.BlobSum)
}
// ErrLayerInvalidDigest returned when tarsum check fails.
type ErrLayerInvalidDigest struct {
Digest digest.Digest
Reason error
}
func (err ErrLayerInvalidDigest) Error() string {
return fmt.Sprintf("invalid digest for referenced layer: %v, %v",
err.Digest, err.Reason)
}