80 lines
1.9 KiB
Go
80 lines
1.9 KiB
Go
/*
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Copyright 2019 the Velero contributors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package framework
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import (
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"google.golang.org/grpc/status"
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proto "github.com/vmware-tanzu/velero/pkg/plugin/generated"
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)
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// fromGRPCError takes a gRPC status error, extracts a stack trace
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// from the details if it exists, and returns an error that can
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// provide information about where it was created.
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//
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// This function should be used in the internal plugin client code to convert
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// all errors returned from the plugin server before they're passed back to
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// the rest of the Velero codebase. This will enable them to display location
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// information when they're logged.
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func fromGRPCError(err error) error {
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statusErr, ok := status.FromError(err)
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if !ok {
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return statusErr.Err()
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}
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for _, detail := range statusErr.Details() {
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switch t := detail.(type) {
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case *proto.Stack:
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return &protoStackError{
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error: err,
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stack: t,
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}
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}
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}
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return err
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}
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type protoStackError struct {
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error
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stack *proto.Stack
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}
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func (e *protoStackError) File() string {
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if e.stack == nil || len(e.stack.Frames) < 1 {
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return ""
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}
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return e.stack.Frames[0].File
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}
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func (e *protoStackError) Line() int32 {
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if e.stack == nil || len(e.stack.Frames) < 1 {
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return 0
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}
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return e.stack.Frames[0].Line
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}
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func (e *protoStackError) Function() string {
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if e.stack == nil || len(e.stack.Frames) < 1 {
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return ""
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}
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return e.stack.Frames[0].Function
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}
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