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Update vendor
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209
vendor/github.com/mattermost/logr/v2/config/config.go
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vendored
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209
vendor/github.com/mattermost/logr/v2/config/config.go
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package config
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import (
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"os"
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"strings"
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"github.com/mattermost/logr/v2"
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"github.com/mattermost/logr/v2/formatters"
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"github.com/mattermost/logr/v2/targets"
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)
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type TargetCfg struct {
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Type string `json:"type"` // one of "console", "file", "tcp", "syslog", "none".
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Options json.RawMessage `json:"options,omitempty"`
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Format string `json:"format"` // one of "json", "plain", "gelf"
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FormatOptions json.RawMessage `json:"format_options,omitempty"`
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Levels []logr.Level `json:"levels"`
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MaxQueueSize int `json:"maxqueuesize,omitempty"`
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}
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type ConsoleOptions struct {
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Out string `json:"out"` // one of "stdout", "stderr"
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}
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type TargetFactory func(targetType string, options json.RawMessage) (logr.Target, error)
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type FormatterFactory func(format string, options json.RawMessage) (logr.Formatter, error)
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type Factories struct {
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targetFactory TargetFactory // can be nil
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formatterFactory FormatterFactory // can be nil
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}
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var removeAll = func(ti logr.TargetInfo) bool { return true }
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// ConfigureTargets replaces the current list of log targets with a new one based on a map
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// of name->TargetCfg. The map of TargetCfg's would typically be serialized from a JSON
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// source or can be programmatically created.
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//
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// An optional set of factories can be provided which will be called to create any target
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// types or formatters not built-in.
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//
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// To append log targets to an existing config, use `(*Logr).AddTarget` or
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// `(*Logr).AddTargetFromConfig` instead.
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func ConfigureTargets(lgr *logr.Logr, config map[string]TargetCfg, factories *Factories) error {
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if err := lgr.RemoveTargets(context.Background(), removeAll); err != nil {
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return fmt.Errorf("error removing existing log targets: %w", err)
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}
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if factories == nil {
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factories = &Factories{nil, nil}
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}
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for name, tcfg := range config {
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target, err := newTarget(tcfg.Type, tcfg.Options, factories.targetFactory)
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if err != nil {
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return fmt.Errorf("error creating log target %s: %w", name, err)
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}
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if target == nil {
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continue
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}
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formatter, err := newFormatter(tcfg.Format, tcfg.FormatOptions, factories.formatterFactory)
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if err != nil {
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return fmt.Errorf("error creating formatter for log target %s: %w", name, err)
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}
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filter := newFilter(tcfg.Levels)
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qSize := tcfg.MaxQueueSize
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if qSize == 0 {
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qSize = logr.DefaultMaxQueueSize
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}
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if err = lgr.AddTarget(target, name, filter, formatter, qSize); err != nil {
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return fmt.Errorf("error adding log target %s: %w", name, err)
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}
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}
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return nil
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}
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func newFilter(levels []logr.Level) logr.Filter {
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filter := &logr.CustomFilter{}
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for _, lvl := range levels {
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filter.Add(lvl)
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}
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return filter
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}
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func newTarget(targetType string, options json.RawMessage, factory TargetFactory) (logr.Target, error) {
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switch strings.ToLower(targetType) {
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case "console":
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c := ConsoleOptions{}
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if len(options) != 0 {
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if err := json.Unmarshal(options, &c); err != nil {
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return nil, fmt.Errorf("error decoding console target options: %w", err)
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}
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}
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var w io.Writer
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switch c.Out {
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case "stderr":
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w = os.Stderr
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case "stdout", "":
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w = os.Stdout
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default:
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return nil, fmt.Errorf("invalid console target option '%s'", c.Out)
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}
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return targets.NewWriterTarget(w), nil
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case "file":
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fo := targets.FileOptions{}
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if len(options) == 0 {
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return nil, errors.New("missing file target options")
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}
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if err := json.Unmarshal(options, &fo); err != nil {
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return nil, fmt.Errorf("error decoding file target options: %w", err)
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}
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if err := fo.CheckValid(); err != nil {
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return nil, fmt.Errorf("invalid file target options: %w", err)
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}
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return targets.NewFileTarget(fo), nil
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case "tcp":
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to := targets.TcpOptions{}
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if len(options) == 0 {
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return nil, errors.New("missing TCP target options")
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}
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if err := json.Unmarshal(options, &to); err != nil {
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return nil, fmt.Errorf("error decoding TCP target options: %w", err)
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}
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if err := to.CheckValid(); err != nil {
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return nil, fmt.Errorf("invalid TCP target options: %w", err)
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}
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return targets.NewTcpTarget(&to), nil
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case "syslog":
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so := targets.SyslogOptions{}
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if len(options) == 0 {
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return nil, errors.New("missing SysLog target options")
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}
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if err := json.Unmarshal(options, &so); err != nil {
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return nil, fmt.Errorf("error decoding Syslog target options: %w", err)
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}
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if err := so.CheckValid(); err != nil {
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return nil, fmt.Errorf("invalid SysLog target options: %w", err)
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}
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return targets.NewSyslogTarget(&so)
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case "none":
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return nil, nil
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default:
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if factory != nil {
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t, err := factory(targetType, options)
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if err != nil || t == nil {
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return nil, fmt.Errorf("error from target factory: %w", err)
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}
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return t, nil
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}
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}
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return nil, fmt.Errorf("target type '%s' is unrecogized", targetType)
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}
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func newFormatter(format string, options json.RawMessage, factory FormatterFactory) (logr.Formatter, error) {
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switch strings.ToLower(format) {
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case "json":
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j := formatters.JSON{}
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if len(options) != 0 {
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if err := json.Unmarshal(options, &j); err != nil {
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return nil, fmt.Errorf("error decoding JSON formatter options: %w", err)
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}
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if err := j.CheckValid(); err != nil {
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return nil, fmt.Errorf("invalid JSON formatter options: %w", err)
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}
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}
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return &j, nil
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case "plain":
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p := formatters.Plain{}
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if len(options) != 0 {
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if err := json.Unmarshal(options, &p); err != nil {
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return nil, fmt.Errorf("error decoding Plain formatter options: %w", err)
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}
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if err := p.CheckValid(); err != nil {
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return nil, fmt.Errorf("invalid plain formatter options: %w", err)
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}
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}
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return &p, nil
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case "gelf":
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g := formatters.Gelf{}
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if len(options) != 0 {
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if err := json.Unmarshal(options, &g); err != nil {
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return nil, fmt.Errorf("error decoding Gelf formatter options: %w", err)
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}
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if err := g.CheckValid(); err != nil {
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return nil, fmt.Errorf("invalid GELF formatter options: %w", err)
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}
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}
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return &g, nil
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default:
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if factory != nil {
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f, err := factory(format, options)
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if err != nil || f == nil {
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return nil, fmt.Errorf("error from formatter factory: %w", err)
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}
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return f, nil
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}
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}
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return nil, fmt.Errorf("format '%s' is unrecogized", format)
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}
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90
vendor/github.com/mattermost/logr/v2/config/sample-config.json
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90
vendor/github.com/mattermost/logr/v2/config/sample-config.json
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@ -0,0 +1,90 @@
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{
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"sample-console": {
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"type": "console",
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"options": {
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"out": "stdout"
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},
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"format": "plain",
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"format_options": {
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"delim": " | "
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},
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"levels": [
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{"id": 5, "name": "debug"},
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{"id": 4, "name": "info"},
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{"id": 3, "name": "warn"},
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{"id": 2, "name": "error", "stacktrace": true},
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{"id": 1, "name": "fatal", "stacktrace": true},
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{"id": 0, "name": "panic", "stacktrace": true}
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],
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"maxqueuesize": 1000
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},
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"sample-file": {
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"type": "file",
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"options": {
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"filename": "test.log",
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"max_size": 1000000,
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"max_age": 1,
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"max_backups": 10,
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"compress": true
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},
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"format": "json",
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"format_options": {
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},
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"levels": [
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{"id": 5, "name": "debug"},
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{"id": 4, "name": "info"},
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{"id": 3, "name": "warn"},
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{"id": 2, "name": "error", "stacktrace": true},
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{"id": 1, "name": "fatal", "stacktrace": true},
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{"id": 0, "name": "panic", "stacktrace": true}
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],
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"maxqueuesize": 1000
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},
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"sample-tcp": {
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"type": "tcp",
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"options": {
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"host": "localhost",
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"port": 18066,
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"tls": false,
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"cert": "",
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"insecure": false
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},
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"format": "gelf",
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"format_options": {
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"hostname": "server01"
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},
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"levels": [
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{"id": 5, "name": "debug"},
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{"id": 4, "name": "info"},
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{"id": 3, "name": "warn"},
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{"id": 2, "name": "error", "stacktrace": true},
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{"id": 1, "name": "fatal", "stacktrace": true},
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{"id": 0, "name": "panic", "stacktrace": true}
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],
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"maxqueuesize": 1000
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},
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"sample-syslog": {
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"type": "syslog",
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"options": {
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"host": "localhost",
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"port": 18066,
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"tls": false,
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"cert": "",
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"insecure": false,
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"tag": "testapp"
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},
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"format": "plain",
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"format_options": {
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"delim": " "
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},
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"levels": [
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{"id": 5, "name": "debug"},
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{"id": 4, "name": "info"},
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{"id": 3, "name": "warn"},
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{"id": 2, "name": "error", "stacktrace": true},
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{"id": 1, "name": "fatal", "stacktrace": true},
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{"id": 0, "name": "panic", "stacktrace": true}
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],
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"maxqueuesize": 1000
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}
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}
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