mirror of
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49 lines
1.6 KiB
Go
49 lines
1.6 KiB
Go
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/*
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Copyright 2018 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 log contains utilities for fetching a new logger
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// when one is not already available.
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//
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// The Log Handle
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//
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// This package contains a root logr.Logger Log. It may be used to
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// get a handle to whatever the root logging implementation is. By
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// default, no implementation exists, and the handle returns "promises"
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// to loggers. When the implementation is set using SetLogger, these
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// "promises" will be converted over to real loggers.
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//
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// Logr
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//
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// All logging in controller-runtime is structured, using a set of interfaces
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// defined by a package called logr
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// (https://godoc.org/github.com/go-logr/logr). The sub-package zap provides
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// helpers for setting up logr backed by Zap (go.uber.org/zap).
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package log
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import (
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"github.com/go-logr/logr"
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)
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// SetLogger sets a concrete logging implementation for all deferred Loggers.
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func SetLogger(l logr.Logger) {
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Log.Fulfill(l)
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}
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// Log is the base logger used by kubebuilder. It delegates
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// to another logr.Logger. You *must* call SetLogger to
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// get any actual logging.
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var Log = NewDelegatingLogger(NullLogger{})
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