mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
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56 lines
1.6 KiB
Go
56 lines
1.6 KiB
Go
// Copyright 2017 Google LLC
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package internal
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import (
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"fmt"
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"google.golang.org/api/googleapi"
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"google.golang.org/grpc/status"
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)
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// Annotate prepends msg to the error message in err, attempting
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// to preserve other information in err, like an error code.
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//
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// Annotate panics if err is nil.
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//
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// Annotate knows about these error types:
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// - "google.golang.org/grpc/status".Status
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// - "google.golang.org/api/googleapi".Error
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// If the error is not one of these types, Annotate behaves
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// like
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//
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// fmt.Errorf("%s: %v", msg, err)
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func Annotate(err error, msg string) error {
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if err == nil {
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panic("Annotate called with nil")
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}
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if s, ok := status.FromError(err); ok {
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p := s.Proto()
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p.Message = msg + ": " + p.Message
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return status.ErrorProto(p)
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}
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if g, ok := err.(*googleapi.Error); ok {
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g.Message = msg + ": " + g.Message
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return g
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}
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return fmt.Errorf("%s: %v", msg, err)
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}
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// Annotatef uses format and args to format a string, then calls Annotate.
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func Annotatef(err error, format string, args ...interface{}) error {
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return Annotate(err, fmt.Sprintf(format, args...))
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}
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