Add third_party/pexpect

third_party/pexpect/examples/astat.py

+#!/usr/bin/env python
+
+'''This runs Apache Status on the remote host and returns the number of requests per second.
+
+./astat.py [-s server_hostname] [-u username] [-p password]
+    -s : hostname of the remote server to login to.
+    -u : username to user for login.
+    -p : Password to user for login.
+
+Example:
+    This will print information about the given host:
+        ./astat.py -s www.example.com -u mylogin -p mypassword
+
+PEXPECT LICENSE
+
+    This license is approved by the OSI and FSF as GPL-compatible.
+        http://opensource.org/licenses/isc-license.txt
+
+    Copyright (c) 2012, Noah Spurrier <noah@noah.org>
+    PERMISSION TO USE, COPY, MODIFY, AND/OR DISTRIBUTE THIS SOFTWARE FOR ANY
+    PURPOSE WITH OR WITHOUT FEE IS HEREBY GRANTED, PROVIDED THAT THE ABOVE
+    COPYRIGHT NOTICE AND THIS PERMISSION NOTICE APPEAR IN ALL COPIES.
+    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+    WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+    MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+    ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+'''
+
+from __future__ import print_function
+
+from __future__ import absolute_import
+
+import os
+import sys
+import getopt
+import getpass
+import pxssh
+
+
+try:
+    raw_input
+except NameError:
+    raw_input = input
+
+
+def exit_with_usage():
+
+    print(globals()['__doc__'])
+    os._exit(1)
+
+
+def main():
+
+    ######################################################################
+    ## Parse the options, arguments, get ready, etc.
+    ######################################################################
+    try:
+        optlist, args = getopt.getopt(sys.argv[1:], 'h?s:u:p:', ['help','h','?'])
+    except Exception as e:
+        print(str(e))
+        exit_with_usage()
+    options = dict(optlist)
+    if len(args) > 1:
+        exit_with_usage()
+
+    if [elem for elem in options if elem in ['-h','--h','-?','--?','--help']]:
+        print("Help:")
+        exit_with_usage()
+
+    if '-s' in options:
+        hostname = options['-s']
+    else:
+        hostname = raw_input('hostname: ')
+    if '-u' in options:
+        username = options['-u']
+    else:
+        username = raw_input('username: ')
+    if '-p' in options:
+        password = options['-p']
+    else:
+        password = getpass.getpass('password: ')
+
+    #
+    # Login via SSH
+    #
+    p = pxssh.pxssh()
+    p.login(hostname, username, password)
+    p.sendline('apachectl status')
+    p.expect('([0-9]+\.[0-9]+)\s*requests/sec')
+    requests_per_second = p.match.groups()[0]
+    p.logout()
+    print(requests_per_second)
+
+if __name__ == "__main__":
+    main()