diff options
Diffstat (limited to 'vendor/k8s.io/apimachinery/pkg/api/errors/errors.go')
| -rw-r--r-- | vendor/k8s.io/apimachinery/pkg/api/errors/errors.go | 103 |
1 files changed, 101 insertions, 2 deletions
diff --git a/vendor/k8s.io/apimachinery/pkg/api/errors/errors.go b/vendor/k8s.io/apimachinery/pkg/api/errors/errors.go index bcc032df9..f4201eb69 100644 --- a/vendor/k8s.io/apimachinery/pkg/api/errors/errors.go +++ b/vendor/k8s.io/apimachinery/pkg/api/errors/errors.go @@ -20,6 +20,7 @@ import ( "encoding/json" "fmt" "net/http" + "reflect" "strings" metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" @@ -82,7 +83,20 @@ func (u *UnexpectedObjectError) Error() string { func FromObject(obj runtime.Object) error { switch t := obj.(type) { case *metav1.Status: - return &StatusError{*t} + return &StatusError{ErrStatus: *t} + case runtime.Unstructured: + var status metav1.Status + obj := t.UnstructuredContent() + if !reflect.DeepEqual(obj["kind"], "Status") { + break + } + if err := runtime.DefaultUnstructuredConverter.FromUnstructured(t.UnstructuredContent(), &status); err != nil { + return err + } + if status.APIVersion != "v1" && status.APIVersion != "meta.k8s.io/v1" { + break + } + return &StatusError{ErrStatus: status} } return &UnexpectedObjectError{obj} } @@ -170,6 +184,20 @@ func NewConflict(qualifiedResource schema.GroupResource, name string, err error) }} } +// NewApplyConflict returns an error including details on the requests apply conflicts +func NewApplyConflict(causes []metav1.StatusCause, message string) *StatusError { + return &StatusError{ErrStatus: metav1.Status{ + Status: metav1.StatusFailure, + Code: http.StatusConflict, + Reason: metav1.StatusReasonConflict, + Details: &metav1.StatusDetails{ + // TODO: Get obj details here? + Causes: causes, + }, + Message: message, + }} +} + // NewGone returns an error indicating the item no longer available at the server and no forwarding address is known. func NewGone(message string) *StatusError { return &StatusError{metav1.Status{ @@ -327,6 +355,17 @@ func NewTooManyRequestsError(message string) *StatusError { }} } +// NewRequestEntityTooLargeError returns an error indicating that the request +// entity was too large. +func NewRequestEntityTooLargeError(message string) *StatusError { + return &StatusError{metav1.Status{ + Status: metav1.StatusFailure, + Code: http.StatusRequestEntityTooLarge, + Reason: metav1.StatusReasonRequestEntityTooLarge, + Message: fmt.Sprintf("Request entity too large: %s", message), + }} +} + // NewGenericServerResponse returns a new error for server responses that are not in a recognizable form. func NewGenericServerResponse(code int, verb string, qualifiedResource schema.GroupResource, name, serverMessage string, retryAfterSeconds int, isUnexpectedResponse bool) *StatusError { reason := metav1.StatusReasonUnknown @@ -355,7 +394,11 @@ func NewGenericServerResponse(code int, verb string, qualifiedResource schema.Gr case http.StatusNotAcceptable: reason = metav1.StatusReasonNotAcceptable // the server message has details about what types are acceptable - message = serverMessage + if len(serverMessage) == 0 || serverMessage == "unknown" { + message = "the server was unable to respond with a content type that the client supports" + } else { + message = serverMessage + } case http.StatusUnsupportedMediaType: reason = metav1.StatusReasonUnsupportedMediaType // the server message has details about what types are acceptable @@ -513,6 +556,19 @@ func IsTooManyRequests(err error) bool { return false } +// IsRequestEntityTooLargeError determines if err is an error which indicates +// the request entity is too large. +func IsRequestEntityTooLargeError(err error) bool { + if ReasonForError(err) == metav1.StatusReasonRequestEntityTooLarge { + return true + } + switch t := err.(type) { + case APIStatus: + return t.Status().Code == http.StatusRequestEntityTooLarge + } + return false +} + // IsUnexpectedServerError returns true if the server response was not in the expected API format, // and may be the result of another HTTP actor. func IsUnexpectedServerError(err error) bool { @@ -565,3 +621,46 @@ func ReasonForError(err error) metav1.StatusReason { } return metav1.StatusReasonUnknown } + +// ErrorReporter converts generic errors into runtime.Object errors without +// requiring the caller to take a dependency on meta/v1 (where Status lives). +// This prevents circular dependencies in core watch code. +type ErrorReporter struct { + code int + verb string + reason string +} + +// NewClientErrorReporter will respond with valid v1.Status objects that report +// unexpected server responses. Primarily used by watch to report errors when +// we attempt to decode a response from the server and it is not in the form +// we expect. Because watch is a dependency of the core api, we can't return +// meta/v1.Status in that package and so much inject this interface to convert a +// generic error as appropriate. The reason is passed as a unique status cause +// on the returned status, otherwise the generic "ClientError" is returned. +func NewClientErrorReporter(code int, verb string, reason string) *ErrorReporter { + return &ErrorReporter{ + code: code, + verb: verb, + reason: reason, + } +} + +// AsObject returns a valid error runtime.Object (a v1.Status) for the given +// error, using the code and verb of the reporter type. The error is set to +// indicate that this was an unexpected server response. +func (r *ErrorReporter) AsObject(err error) runtime.Object { + status := NewGenericServerResponse(r.code, r.verb, schema.GroupResource{}, "", err.Error(), 0, true) + if status.ErrStatus.Details == nil { + status.ErrStatus.Details = &metav1.StatusDetails{} + } + reason := r.reason + if len(reason) == 0 { + reason = "ClientError" + } + status.ErrStatus.Details.Causes = append(status.ErrStatus.Details.Causes, metav1.StatusCause{ + Type: metav1.CauseType(reason), + Message: err.Error(), + }) + return &status.ErrStatus +} |