77 lines
1.7 KiB
Go
77 lines
1.7 KiB
Go
package file
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import (
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"fmt"
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"io"
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"os"
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"path/filepath"
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"time"
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"github.com/juju/errors"
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"github.com/sirupsen/logrus"
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rotatelogs "github.com/lestrrat-go/file-rotatelogs"
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)
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// NewHook will create a File Hook for logrus.
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func NewHook(c *ConfigStruct) (logrus.Hook, error) {
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err := c.IsValid()
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if err != nil {
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return nil, errors.Trace(err)
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}
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outputFormat := OutputFormat_TEXT
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if c.OutputFormat != nil {
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outputFormat = OutputFormat(*c.OutputFormat)
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}
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var w io.Writer
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if c.Rotate {
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rotateTime, _ := time.ParseDuration(*c.RotateTime)
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// let's construct log rotator options
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rotateOptions := []rotatelogs.Option{
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rotatelogs.WithLinkName(c.Filename),
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rotatelogs.WithRotationTime(rotateTime),
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}
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if c.RotateMaxAge != nil {
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rotateMaxAge, _ := time.ParseDuration(*c.RotateMaxAge)
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rotateOptions = append(rotateOptions, rotatelogs.WithMaxAge(rotateMaxAge))
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} else if c.RotateMaxFile != nil {
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rotateOptions = append(
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rotateOptions,
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rotatelogs.WithRotationCount(uint(*c.RotateMaxFile)),
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rotatelogs.WithMaxAge(-1),
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)
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}
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w, err = rotatelogs.New(
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fmt.Sprintf("%s.%%Y%%m%%d%%H%%M", c.Filename),
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rotateOptions...,
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)
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if err != nil {
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return nil, errors.Trace(err)
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}
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} else {
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dirname := filepath.Dir(c.Filename)
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if err := os.MkdirAll(dirname, 0750); err != nil {
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return nil, errors.NewNotSupported(err, fmt.Sprintf("failed to create directory %s", dirname))
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}
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// if we got here, then we need to create a file
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fh, err := os.OpenFile(c.Filename, os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0600)
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if err != nil {
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return nil, errors.NewNotSupported(err, fmt.Sprintf("failed to open file %s", c.Filename))
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}
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w = fh
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}
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h := NewAsyncFileHook(w, outputFormat)
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return h, nil
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}
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