Skip to content

Instantly share code, notes, and snippets.

@lmacken
Last active October 3, 2015 07:08
Show Gist options
  • Save lmacken/2414334 to your computer and use it in GitHub Desktop.
Save lmacken/2414334 to your computer and use it in GitHub Desktop.
A script to tail a file across many systems at once
# sshtail.py
# A script to tail a file across many systems at once
# Author: Luke Macken <[email protected]>
# License: GPLv3+
import getpass
import subprocess
servers = ['app1', 'app2', 'app3', 'app4', 'app5', 'app6', 'app7']
logfile = '/var/log/httpd/access_log'
cmd = 'ssh -t -t -t %s sudo -S tail -f ' + logfile
processes = []
password = getpass.getpass()
for server in servers:
p = subprocess.Popen(cmd % server, shell=True, stdin=subprocess.PIPE)
p.stdin.write('%s\n' % password)
p.stdin.close()
processes.append(p)
try:
while True:
raw_input()
except:
for p in processes:
p.terminate()
for p in processes:
p.wait()
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment