Monitoring IBM v7000 using Graphite and Grafana
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The end result looks like this | The end result looks like this | ||
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Revision as of 23:07, 14 October 2014
Cron job
*/5 * * * * /home/alex/bin/v7k2graphite.py /home/alex/bin/v7k2graphite.ini
The script /home/alex/bin/v7k2graphite.py collects 5 minutes history and shoots it to Graphite:
#!/usr/bin/python2.7
# Filename: v7k2graphite.py
__author__ = "amarkelo, SysEng, Smartbox Experience Ltd."
__copyright__ = "Smartbox Experience Ltd."
__credits__ = ["The SysEng team"]
__license__ = "GPL"
__version__ = "1.0"
__maintainer__ = "amarkelo"
__email__ = "alex.markelov@smartandco.com"
__status__ = "Production"
import statsd
import sys
import os
import string
import paramiko
import ConfigParser
import time
import socket
def read_config(section):
cfg = {}
# Read ini-style configuration file
try:
config = ConfigParser.ConfigParser()
config.readfp(open(cfg_file))
except IOError as e:
print "I/O error({0}): {1}".format(e.errno, e.strerror)
sys.exit("Please check the configuration file " + cfg_file + "exists!")
except:
print "Unexpected error:", sys.exc_info()[0]
raise
sys.exit(1)
try:
# graphite server details
cfg['host'] = config.get(section,'host')
cfg['port'] = config.get(section,'port')
# SSH configuration to get to SAN storage
cfg['ssh_host'] = config.get(section,'ssh_host')
cfg['ssh_username'] = config.get(section,'ssh_username')
cfg['ssh_key'] = config.get(section,'ssh_key')
# what metrics to collect
cfg['metric'] = config.get(section, 'metric')
except:
sys.exit("Error reading the configuration parameters from " + cfg_file + ". Exiting...")
return cfg
def get_stats( ssh_host, ssh_username, ssh_key, cmd) :
# Establish SSH connection with SAN storage management interface
try:
ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect(ssh_host, username=ssh_username, password='', key_filename=ssh_key)
except:
sys.exit("Error establishing SSH connection to server (" + ssh_username + "@" + ssh_host + ")!")
stdin, stdout, stderr = ssh.exec_command(cmd)
stdout = stdout.readlines()
ssh.close()
return stdout
def send_msg(host, port, message):
# print 'sending message:\n%s to %s:%s' % (message, host, port)
sock = socket.socket()
sock.connect((host, int(port)))
sock.sendall(message)
sock.close()
if __name__ == '__main__':
help_str = "\nUsage: " + sys.argv[0] + " <configuration_file>\n"
# parsing command line parameters first
# if we don't have it the right way - exit
if len(sys.argv) < 2:
print help_str
sys.exit(1)
else:
cfg_file = sys.argv[1]
if not os.path.exists(cfg_file):
print "Configuration file " + cfg_file + " doesn't exist!"
sys.exit(1)
config = {}
config = read_config('graphite')
# two controllers in the SAN
nodes = ['node1','node2']
for metric in config['metric'].split(',') :
for node in nodes :
out = get_stats(config['ssh_host'], config['ssh_username'], config['ssh_key'], 'lsnodecanisterstats -history ' + metric + ' -nohdr ' + node)
for line in out :
# 1 node1 140911134627 mdisk_r_mb 0
timestamp = int(time.mktime(time.strptime(line.split()[2], '%y%m%d%H%M%S')))
send_msg(config['host'], config['port'], "storage"+"."+line.split()[1]+"."+line.split()[3]+" "+line.split()[4]+" "+str(timestamp)+"\n")
Ini file /home/alex/bin/v7k2graphite.ini
[graphite] host = 10.10.10.10 port = 2003 ssh_host = 10.5.5.5 ssh_username = zabbix ssh_key = /home/alex/.ssh/zabbix_v7000_rsa metric = mdisk_w_mb,mdisk_r_mb,mdisk_w_io,mdisk_w_io,mdisk_w_ms,mdisk_r_ms,vdisk_w_mb,vdisk_r_mb,vdisk_w_io,vdisk_w_io,vdisk_w_ms,vdisk_r_ms,fc_mb,fc_io,sas_mb,sas_io,write_cache_pc,total_cache_pc,cpu_pc
The end result looks like this
