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https://github.com/rocky-linux/peridot.git
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ad0f7a5305
Upgrade to Go 1.20.5, Hydra v2 SDK, rules-go v0.44.2 (with proper resolves), protobuf v25.3 and mass upgrade of Go dependencies.
66 lines
2.1 KiB
Go
66 lines
2.1 KiB
Go
/*
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Copyright 2023 The Kubernetes Authors.
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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 klog
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import (
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"encoding/json"
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"fmt"
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"strings"
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"github.com/go-logr/logr"
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)
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// Format wraps a value of an arbitrary type and implement fmt.Stringer and
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// logr.Marshaler for them. Stringer returns pretty-printed JSON. MarshalLog
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// returns the original value with a type that has no special methods, in
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// particular no MarshalLog or MarshalJSON.
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//
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// Wrapping values like that is useful when the value has a broken
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// implementation of these special functions (for example, a type which
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// inherits String from TypeMeta, but then doesn't re-implement String) or the
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// implementation produces output that is less readable or unstructured (for
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// example, the generated String functions for Kubernetes API types).
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func Format(obj interface{}) interface{} {
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return formatAny{Object: obj}
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}
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type formatAny struct {
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Object interface{}
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}
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func (f formatAny) String() string {
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var buffer strings.Builder
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encoder := json.NewEncoder(&buffer)
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encoder.SetIndent("", " ")
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if err := encoder.Encode(&f.Object); err != nil {
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return fmt.Sprintf("error marshaling %T to JSON: %v", f, err)
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}
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return buffer.String()
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}
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func (f formatAny) MarshalLog() interface{} {
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// Returning a pointer to a pointer ensures that zapr doesn't find a
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// fmt.Stringer or logr.Marshaler when it checks the type of the
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// value. It then falls back to reflection, which dumps the value being
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// pointed to (JSON doesn't have pointers).
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ptr := &f.Object
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return &ptr
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}
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var _ fmt.Stringer = formatAny{}
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var _ logr.Marshaler = formatAny{}
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