mirror of
https://github.com/minio/minio.git
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2aa18cafc6
With CoreDNS now supporting etcdv3 as the DNS backend, we can update our federation target to etcdv3. Users will now be able to use etcdv3 server as the federation backbone. Minio will update bucket data to etcdv3 and CoreDNS can pick that data up and serve it as bucket style DNS path.
81 lines
2.7 KiB
Go
81 lines
2.7 KiB
Go
// Copyright (c) 2017 Uber Technologies, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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package zap
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import (
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"sync"
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"go.uber.org/zap/zapcore"
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)
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var _errArrayElemPool = sync.Pool{New: func() interface{} {
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return &errArrayElem{}
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}}
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// Error is shorthand for the common idiom NamedError("error", err).
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func Error(err error) Field {
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return NamedError("error", err)
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}
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// NamedError constructs a field that lazily stores err.Error() under the
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// provided key. Errors which also implement fmt.Formatter (like those produced
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// by github.com/pkg/errors) will also have their verbose representation stored
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// under key+"Verbose". If passed a nil error, the field is a no-op.
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//
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// For the common case in which the key is simply "error", the Error function
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// is shorter and less repetitive.
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func NamedError(key string, err error) Field {
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if err == nil {
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return Skip()
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}
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return Field{Key: key, Type: zapcore.ErrorType, Interface: err}
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}
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type errArray []error
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func (errs errArray) MarshalLogArray(arr zapcore.ArrayEncoder) error {
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for i := range errs {
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if errs[i] == nil {
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continue
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}
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// To represent each error as an object with an "error" attribute and
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// potentially an "errorVerbose" attribute, we need to wrap it in a
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// type that implements LogObjectMarshaler. To prevent this from
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// allocating, pool the wrapper type.
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elem := _errArrayElemPool.Get().(*errArrayElem)
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elem.error = errs[i]
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arr.AppendObject(elem)
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elem.error = nil
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_errArrayElemPool.Put(elem)
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}
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return nil
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}
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type errArrayElem struct {
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error
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}
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func (e *errArrayElem) MarshalLogObject(enc zapcore.ObjectEncoder) error {
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// Re-use the error field's logic, which supports non-standard error types.
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Error(e.error).AddTo(enc)
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return nil
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}
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