e57c13f3cb
Since 1.8 may push bad manifests, we've added some validation to ensure that the parent-child relationships represented by image json are correct. If the relationship is not correct, we reject the push. Signed-off-by: Stephen J Day <stephen.day@docker.com>
119 lines
3.3 KiB
Go
119 lines
3.3 KiB
Go
package distribution
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import (
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"fmt"
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"strings"
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"github.com/docker/distribution/digest"
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"github.com/docker/distribution/manifest"
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)
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var (
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// ErrLayerExists returned when layer already exists
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ErrLayerExists = fmt.Errorf("layer exists")
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// ErrLayerTarSumVersionUnsupported when tarsum is unsupported version.
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ErrLayerTarSumVersionUnsupported = fmt.Errorf("unsupported tarsum version")
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// ErrLayerUploadUnknown returned when upload is not found.
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ErrLayerUploadUnknown = fmt.Errorf("layer upload unknown")
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// ErrLayerClosed returned when an operation is attempted on a closed
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// Layer or LayerUpload.
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ErrLayerClosed = fmt.Errorf("layer closed")
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)
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// ErrRepositoryUnknown is returned if the named repository is not known by
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// the registry.
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type ErrRepositoryUnknown struct {
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Name string
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}
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func (err ErrRepositoryUnknown) Error() string {
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return fmt.Sprintf("unknown respository name=%s", err.Name)
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}
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// ErrRepositoryNameInvalid should be used to denote an invalid repository
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// name. Reason may set, indicating the cause of invalidity.
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type ErrRepositoryNameInvalid struct {
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Name string
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Reason error
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}
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func (err ErrRepositoryNameInvalid) Error() string {
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return fmt.Sprintf("repository name %q invalid: %v", err.Name, err.Reason)
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}
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// ErrManifestUnknown is returned if the manifest is not known by the
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// registry.
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type ErrManifestUnknown struct {
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Name string
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Tag string
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}
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func (err ErrManifestUnknown) Error() string {
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return fmt.Sprintf("unknown manifest name=%s tag=%s", err.Name, err.Tag)
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}
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// ErrUnknownManifestRevision is returned when a manifest cannot be found by
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// revision within a repository.
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type ErrUnknownManifestRevision struct {
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Name string
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Revision digest.Digest
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}
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func (err ErrUnknownManifestRevision) Error() string {
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return fmt.Sprintf("unknown manifest name=%s revision=%s", err.Name, err.Revision)
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}
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// ErrManifestUnverified is returned when the registry is unable to verify
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// the manifest.
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type ErrManifestUnverified struct{}
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func (ErrManifestUnverified) Error() string {
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return fmt.Sprintf("unverified manifest")
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}
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// ErrManifestValidation is returned during manifest verification if a common
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// validation error is encountered.
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type ErrManifestValidation struct {
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Reason string
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}
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func (err ErrManifestValidation) Error() string {
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return fmt.Sprintf("invalid manifest: %s", err.Reason)
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}
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// ErrManifestVerification provides a type to collect errors encountered
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// during manifest verification. Currently, it accepts errors of all types,
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// but it may be narrowed to those involving manifest verification.
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type ErrManifestVerification []error
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func (errs ErrManifestVerification) Error() string {
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var parts []string
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for _, err := range errs {
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parts = append(parts, err.Error())
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}
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return fmt.Sprintf("errors verifying manifest: %v", strings.Join(parts, ","))
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}
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// ErrUnknownLayer returned when layer cannot be found.
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type ErrUnknownLayer struct {
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FSLayer manifest.FSLayer
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}
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func (err ErrUnknownLayer) Error() string {
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return fmt.Sprintf("unknown layer %v", err.FSLayer.BlobSum)
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}
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// ErrLayerInvalidDigest returned when tarsum check fails.
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type ErrLayerInvalidDigest struct {
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Digest digest.Digest
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Reason error
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}
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func (err ErrLayerInvalidDigest) Error() string {
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return fmt.Sprintf("invalid digest for referenced layer: %v, %v",
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err.Digest, err.Reason)
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}
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