mirror of
https://github.com/arangodb/kube-arangodb.git
synced 2024-12-15 17:51:03 +00:00
85 lines
2.2 KiB
Go
85 lines
2.2 KiB
Go
//
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// DISCLAIMER
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//
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// Copyright 2024 ArangoDB GmbH, Cologne, Germany
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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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//
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// Copyright holder is ArangoDB GmbH, Cologne, Germany
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//
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package logging
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import (
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"fmt"
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"os"
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"strings"
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"sync"
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"github.com/rs/zerolog"
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"github.com/spf13/cobra"
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"github.com/arangodb/kube-arangodb/pkg/util/errors"
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)
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const (
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defaultLogLevel = "info"
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)
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var (
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enableLock sync.Mutex
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enabled bool
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cli struct {
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format string
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levels []string
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sampling bool
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}
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)
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func Init(cmd *cobra.Command) error {
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f := cmd.PersistentFlags()
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f.StringVar(&cli.format, "log.format", "pretty", "Set log format. Allowed values: 'pretty', 'JSON'. If empty, default format is used")
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f.StringArrayVar(&cli.levels, "log.level", []string{defaultLogLevel}, fmt.Sprintf("Set log levels in format <level> or <logger>=<level>. Possible loggers: %s", strings.Join(Global().Names(), ", ")))
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f.BoolVar(&cli.sampling, "log.sampling", true, "If true, operator will try to minimize duplication of logging events")
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return nil
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}
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func Enable() error {
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enableLock.Lock()
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defer enableLock.Unlock()
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if enabled {
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return errors.Errorf("Logger already enabled")
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}
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levels, err := ParseLogLevelsFromArgs(cli.levels)
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if err != nil {
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return errors.WithMessagef(err, "Unable to parse levels")
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}
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// Set root logger to stdout (JSON formatted) if not prettified
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if strings.ToUpper(cli.format) == "JSON" {
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Global().SetRoot(zerolog.New(os.Stdout).With().Timestamp().Logger())
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} else if strings.ToLower(cli.format) != "pretty" && cli.format != "" {
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return errors.Errorf("Unknown log format: %s", cli.format)
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}
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Global().Configure(Config{
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Levels: levels,
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Sampling: cli.sampling,
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})
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return nil
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}
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