fe983e1 Jan 26, 2013
83 lines (71 sloc) 2.52 KB
#!/usr/bin/python
"""Copyright 2008 Orbitz WorldWide
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License."""
import re
import sys
import time
import socket
import platform
import subprocess
CARBON_SERVER = '127.0.0.1'
CARBON_PORT = 2003
DELAY = 60
def get_loadavg():
"""
Get the load average for a unix-like system.
For more details, "man proc" and "man uptime"
"""
if platform.system() == "Linux":
return open('/proc/loadavg').read().split()[:3]
else:
command = "uptime"
process = subprocess.Popen(command, stdout=subprocess.PIPE, shell=True)
stdout = process.communicate()[0].strip()
# Split on whitespace and commas
output = re.split("[\s,]+", stdout)
return output[-3:]
def run(sock, delay):
"""Make the client go go go"""
while True:
now = int(time.time())
lines = []
#We're gonna report all three loadavg values
loadavg = get_loadavg()
lines.append("system.loadavg_1min %s %d" % (loadavg[0], now))
lines.append("system.loadavg_5min %s %d" % (loadavg[1], now))
lines.append("system.loadavg_15min %s %d" % (loadavg[2], now))
message = '\n'.join(lines) + '\n' #all lines must end in a newline
print "sending message"
print '-' * 80
print message
sock.sendall(message)
time.sleep(delay)
def main():
"""Wrap it all up together"""
delay = DELAY
if len(sys.argv) > 1:
arg = sys.argv[1]
if arg.isdigit():
delay = int(arg)
else:
sys.stderr.write("Ignoring non-integer argument. Using default: %ss\n" % delay)
sock = socket.socket()
try:
sock.connect( (CARBON_SERVER, CARBON_PORT) )
except socket.error:
raise SystemExit("Couldn't connect to %(server)s on port %(port)d, is carbon-cache.py running?" % { 'server':CARBON_SERVER, 'port':CARBON_PORT })
try:
run(sock, delay)
except KeyboardInterrupt:
sys.stderr.write("\nExiting on CTRL-c\n")
sys.exit(0)
if __name__ == "__main__":
main()