mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
33 lines
870 B
Go
33 lines
870 B
Go
package daemon
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/davecgh/go-spew/spew"
|
|
"github.com/pkg/errors"
|
|
)
|
|
|
|
const dataStructuresLogNameTemplate = "daemon-data-%s.log"
|
|
|
|
// dumpDaemon appends the daemon datastructures into file in dir and returns full path
|
|
// to that file.
|
|
func (d *Daemon) dumpDaemon(dir string) (string, error) {
|
|
// Ensure we recover from a panic as we are doing this without any locking
|
|
defer func() {
|
|
recover()
|
|
}()
|
|
|
|
path := filepath.Join(dir, fmt.Sprintf(dataStructuresLogNameTemplate, strings.Replace(time.Now().Format(time.RFC3339), ":", "", -1)))
|
|
f, err := os.OpenFile(path, os.O_CREATE|os.O_WRONLY, 0666)
|
|
if err != nil {
|
|
return "", errors.Wrap(err, "failed to open file to write the daemon datastructure dump")
|
|
}
|
|
defer f.Close()
|
|
spew.Fdump(f, d) // Does not return an error
|
|
f.Sync()
|
|
return path, nil
|
|
}
|