| 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 |
| } |