Nafder

Nafder is a tool to identifying logs for container which has multi application. It reads logs from named pipe, and outputs them with prefix.

Usage

  $ nafder [options...] TargetDir

(ex)

terminal 1

# mkdir /var/run/nafder
# mkfifo /var/run/nafder/app1
# mkfifo /var/run/nafder/app2
# nafder /var/run/nafder
nafder INFO Reading /var/run/nafder/app1
nafder INFO Reading /var/run/nafder/app2

terminal 2

# echo foobar > /var/run/nafder/app1
# echo xxyyzz > /var/run/nafder/app1

-> nafder(terminal 1) output these logs

app1 foobar
app2 xxyyzz

Options:

• -c --copy : Copy logs to specified file
• -t --time : Output timestamp
• -d --debug : Print debug messages
• --version : Show version number
• -h --help : Show help

Environment Variables:

• NAFDER_DEBUG=true (default:false)
  • Print debug messages (=--debug option)