阿里云收集服务器性能指标的python脚本
#!/usr/bin/python
#########################################
# Function: sample linux performance indices
# Usage: python sampler.py
# Author: CMS DEV TEAM
# Company: Aliyun Inc.
# Version: 1.1
######################################### import os
import os.path
import sys
import time
import operator
import httplib
import logging
import socket
import random
from shutil import copyfile
from subprocess import Popen, PIPE
from logging.handlers import RotatingFileHandler logger = None
REMOTE_HOST = None
REMOTE_PORT = None
REMOTE_MONITOR_URI = None
UUID = None def get_mem_usage_percent():
try:
f = open('/proc/meminfo', 'r')
for line in f:
if line.startswith('MemTotal:'):
mem_total = int(line.split()[1])
elif line.startswith('MemFree:'):
mem_free = int(line.split()[1])
elif line.startswith('Buffers:'):
mem_buffer = int(line.split()[1])
elif line.startswith('Cached:'):
mem_cache = int(line.split()[1])
elif line.startswith('SwapTotal:'):
vmem_total = int(line.split()[1])
elif line.startswith('SwapFree:'):
vmem_free = int(line.split()[1])
else:
continue
f.close()
except:
return None
physical_percent = usage_percent(mem_total - (mem_free + mem_buffer + mem_cache), mem_total)
virtual_percent = 0
if vmem_total > 0:
virtual_percent = usage_percent((vmem_total - vmem_free), vmem_total)
return physical_percent, virtual_percent black_list = ('iso9660',) def usage_percent(use, total):
try:
ret = (float(use) / total) * 100
except ZeroDivisionError:
raise Exception("ERROR - zero division error")
return ret def get_disk_partition():
return_list = []
pd = []
try:
f = open("/proc/filesystems", "r")
for line in f:
if not line.startswith("nodev"):
fs_type = line.strip()
if fs_type not in black_list:
pd.append(fs_type)
f.close() f = open('/etc/mtab', "r")
for line in f:
if line.startswith('none'):
continue
tmp = line.strip().split()
ft = tmp[2]
if ft not in pd:
continue
return_list.append(tmp[1])
f.close()
except:
return None
return return_list def check_disk():
try:
return_dict = {}
p_list = get_disk_partition()
for i in p_list:
dt = os.statvfs(i)
use = (dt.f_blocks - dt.f_bfree) * dt.f_frsize
all = dt.f_blocks * dt.f_frsize
return_dict[i] = ('%.2f' % (usage_percent(use, all),), ('%.2f' % (all * 1.0 / (1024 * 1000000))))
except:
return None
return return_dict _CLOCK_TICKS = os.sysconf("SC_CLK_TCK") def get_cpu_time():
need_sleep = False
if not os.path.isfile('/tmp/cpu_stat') or os.path.getsize('/tmp/cpu_stat') == 0:
copyfile('/proc/stat', '/tmp/cpu_stat')
need_sleep = True try:
f1 = open('/tmp/cpu_stat', 'r')
values1 = f1.readline().split()
total_time1 = 0
for i in values1[1:]:
total_time1 += int(i)
idle_time1 = int(values1[4])
iowait_time1 = int(values1[5])
finally:
f1.close() if need_sleep:
time.sleep(1) f2 = open('/proc/stat', 'r')
try:
values2 = f2.readline().split()
total_time2 = 0
for i in values2[1:]:
total_time2 += int(i)
idle_time2 = int(values2[4])
iowait_time2 = int(values2[5])
finally:
f2.close()
idle_time = idle_time2 - idle_time1
iowait_time = iowait_time2 - iowait_time1
total_time = total_time2 - total_time1 cpu_percentage = int(100.0 * (total_time - idle_time - iowait_time) / total_time)
# compensate logic
if total_time < 0 or idle_time < 0 or iowait_time < 0 or cpu_percentage < 0 or cpu_percentage > 100:
time.sleep(1)
f3 = open('/proc/stat', 'r')
try:
values3 = f3.readline().split()
total_time3 = 0
for i in values3[1:]:
total_time3 += int(i)
idle_time3 = int(values3[4])
iowait_time3 = int(values3[5])
finally:
f3.close()
idle_time = idle_time3 - idle_time2
iowait_time = iowait_time3 - iowait_time2
total_time = total_time3 - total_time2
cpu_percentage = int(100.0 * (total_time - idle_time - iowait_time) / total_time) copyfile('/proc/stat', '/tmp/cpu_stat')
return cpu_percentage def network_io_kbitps():
"""Return network I/O statistics for every network interface
installed on the system as a dict of raw tuples.
"""
f1 = open("/proc/net/dev", "r")
try:
lines1 = f1.readlines()
finally:
f1.close() retdict1 = {}
for line1 in lines1[2:]:
colon1 = line1.find(':')
assert colon1 > 0, line1
name1 = line1[:colon1].strip()
fields1 = line1[colon1 + 1:].strip().split()
bytes_recv1 = float('%.4f' % (float(fields1[0]) * 0.0078125))
bytes_sent1 = float('%.4f' % (float(fields1[8]) * 0.0078125))
retdict1[name1] = (bytes_recv1, bytes_sent1)
time.sleep(1)
f2 = open("/proc/net/dev", "r")
try:
lines2 = f2.readlines()
finally:
f2.close()
retdict2 = {}
for line2 in lines2[2:]:
colon2 = line2.find(':')
assert colon2 > 0, line2
name2 = line2[:colon2].strip()
fields2 = line2[colon2 + 1:].strip().split()
bytes_recv2 = float('%.4f' % (float(fields2[0]) * 0.0078125))
bytes_sent2 = float('%.4f' % (float(fields2[8]) * 0.0078125))
retdict2[name2] = (bytes_recv2, bytes_sent2)
retdict = merge_with(retdict2, retdict1)
return retdict def disk_io_Kbps():
iostat = Popen("iostat -d -k 1 2 | sed '/Device\|Linux\|^$/d' > /tmp/disk_io", shell=True, stdout=PIPE, stderr=PIPE)
iostat_error = iostat.communicate()[1].strip()
if iostat_error:
logger.error("iostat not exists, %s" % iostat_error)
return None retdict = {}
exception = None
try:
try:
f = open('/tmp/disk_io', 'r')
except Exception, ex:
exception = ex
logger.error(exception)
if exception:
return None
lines = f.readlines()
for line in lines:
name, _, readkps, writekps, _, _, = line.split()
if name:
readkps = float(readkps)
writekps = float(writekps)
retdict[name] = (readkps, writekps)
return retdict
finally:
f.close() def merge_with(d1, d2, fn=lambda x, y: tuple(map(operator.sub, x, y))):
res = d1.copy() # "= dict(d1)" for lists of tuples
for key, val in d2.iteritems(): # ".. in d2" for lists of tuples
try:
res[key] = fn(res[key], val)
except KeyError:
res[key] = val
return res def get_load():
try:
f = open('/proc/loadavg', 'r')
tmp = f.readline().split()
lavg_1 = float(tmp[0])
lavg_5 = float(tmp[1])
lavg_15 = float(tmp[2])
f.close()
except:
return None
return lavg_1, lavg_5, lavg_15 def get_tcp_status():
check_cmd = "command -v ss"
check_proc = Popen(check_cmd, shell=True, stdout=PIPE)
ss = check_proc.communicate()[0].rstrip('\n')
if ss:
cmd = "ss -ant | awk '{if(NR != 1) print $1}' | awk '{state=$1;arr[state]++} END{for(i in arr){printf \"%s=%s \", i,arr[i]}}' | sed 's/-/_/g' | sed 's/ESTAB=/ESTABLISHED=/g' | sed 's/FIN_WAIT_/FIN_WAIT/g'"
else:
cmd = "netstat -anp | grep tcp | awk '{print $6}' | awk '{state=$1;arr[state]++} END{for(i in arr){printf \"%s=%s \", i,arr[i]}}' | tail -n 1"
tcp_proc = Popen(cmd, shell=True, stdout=PIPE)
tcp_status = tcp_proc.communicate()[0].rstrip('\n')
return tcp_status def get_proc_number():
cmd = "ps axu | wc -l | tail -n 1"
proc_func = Popen(cmd, shell=True, stdout=PIPE)
proc_number = proc_func.communicate()[0].rstrip('\n')
return proc_number def all_index():
return (
int(time.time() * 1000),
get_cpu_time(),
get_mem_usage_percent(),
check_disk(),
disk_io_Kbps(),
network_io_kbitps(),
get_load(),
get_tcp_status(),
get_proc_number()
) def collector():
timestamp, cpu, mem, disk, disk_io, net, load, tcp_status, process_number = all_index()
disk_utilization = ''
disk_io_read = ''
disk_io_write = ''
internet_networkrx = ''
internet_networktx = ''
tcp_status_count = ''
period_1 = ''
period_5 = ''
period_15 = '' if UUID:
cpu_utilization = 'vm.CPUUtilization ' + str(timestamp) + ' ' + str(cpu) + ' ns=ACS/ECS unit=Percent instanceId=%s\n' % UUID memory_utilization = 'vm.MemoryUtilization ' + str(timestamp) + ' ' + str(mem[0]) + ' ns=ACS/ECS unit=Percent instanceId=%s\n' % UUID if load:
period_1 = 'vm.LoadAverage ' + str(timestamp) + ' ' + str(load[0]) + ' ns=ACS/ECS unit=count' + ' instanceId=%s period=1min\n' % UUID
period_5 = 'vm.LoadAverage ' + str(timestamp) + ' ' + str(load[1]) + ' ns=ACS/ECS unit=count' + ' instanceId=%s period=5min\n' % UUID
period_15 = 'vm.LoadAverage ' + str(timestamp) + ' ' + str(load[2]) + ' ns=ACS/ECS unit=count' + ' instanceId=%s period=15min\n' % UUID if disk:
for name, value in disk.items():
disk_utilization = disk_utilization + 'vm.DiskUtilization ' + str(timestamp) + ' ' + str(value[0]) + ' ns=ACS/ECS unit=Percent instanceId=%s mountpoint=%s\n' % (UUID, name) if disk_io:
for name, value in disk_io.items():
disk_io_read = disk_io_read + 'vm.DiskIORead ' + str(timestamp) + ' ' + str(value[0]) + ' ns=ACS/ECS unit=Kilobytes/Second instanceId=%s diskname=%s\n' % (UUID, name)
disk_io_write = disk_io_write + 'vm.DiskIOWrite ' + str(timestamp) + ' ' + str(value[1]) + ' ns=ACS/ECS unit=Kilobytes/Second instanceId=%s diskname=%s\n' % (UUID, name) for name, value in net.items():
internet_networkrx = internet_networkrx + 'vm.InternetNetworkRX ' + str(timestamp) + ' ' + str(value[0]) + ' ns=ACS/ECS unit=Kilobits/Second instanceId=%s netname=%s\n' % (UUID, name)
internet_networktx = internet_networktx + 'vm.InternetNetworkTX ' + str(timestamp) + ' ' + str(value[1]) + ' ns=ACS/ECS unit=Kilobits/Second instanceId=%s netname=%s\n' % (UUID, name) if tcp_status:
status_count = tcp_status.split()
for element in status_count:
key_value = element.split('=')
tcp_status_count = tcp_status_count + 'vm.TcpCount ' + str(timestamp) + ' ' + key_value[1] + ' ns=ACS/ECS unit=Count instanceId=%s state=%s\n' % (UUID, key_value[0]) process_count = 'vm.ProcessCount ' + str(timestamp) + ' ' + process_number + ' ns=ACS/ECS unit=Count instanceId=%s\n' % UUID
else:
cpu_utilization = 'vm.CPUUtilization ' + str(timestamp) + ' ' + str(cpu) + ' ns=ACS/ECS unit=Percent\n' memory_utilization = 'vm.MemoryUtilization ' + str(timestamp) + ' ' + str(mem[0]) + ' ns=ACS/ECS unit=Percent\n' if load:
period_1 = 'vm.LoadAverage ' + str(timestamp) + ' ' + str(load[0]) + ' ns=ACS/ECS unit=count period=1min\n'
period_5 = 'vm.LoadAverage ' + str(timestamp) + ' ' + str(load[1]) + ' ns=ACS/ECS unit=count period=5min\n'
period_15 = 'vm.LoadAverage ' + str(timestamp) + ' ' + str(load[2]) + ' ns=ACS/ECS unit=count period=15min\n' if disk:
for name, value in disk.items():
disk_utilization = disk_utilization + 'vm.DiskUtilization ' + str(timestamp) + ' ' + str(value[0]) + ' ns=ACS/ECS unit=Percent mountpoint=%s\n' % name if disk_io:
for name, value in disk_io.items():
disk_io_read = disk_io_read + 'vm.DiskIORead ' + str(timestamp) + ' ' + str(value[0]) + ' ns=ACS/ECS unit=Kilobytes/Second diskname=%s\n' % name
disk_io_write = disk_io_write + 'vm.DiskIOWrite ' + str(timestamp) + ' ' + str(value[1]) + ' ns=ACS/ECS unit=Kilobytes/Second diskname=%s\n' % name for name, value in net.items():
internet_networkrx = internet_networkrx + 'vm.InternetNetworkRX ' + str(timestamp) + ' ' + str(value[0]) + ' ns=ACS/ECS unit=Kilobits/Second netname=%s\n' % name
internet_networktx = internet_networktx + 'vm.InternetNetworkTX ' + str(timestamp) + ' ' + str(value[1]) + ' ns=ACS/ECS unit=Kilobits/Second netname=%s\n' % name if tcp_status:
status_count = tcp_status.split()
for element in status_count:
key_value = element.split('=')
tcp_status_count = tcp_status_count + 'vm.TcpCount ' + str(timestamp) + ' ' + key_value[1] + ' ns=ACS/ECS unit=Count state=%s\n' % key_value[0] process_count = 'vm.ProcessCount ' + str(timestamp) + ' ' + process_number + ' ns=ACS/ECS unit=Count\n' data_post = cpu_utilization + memory_utilization + period_1 + period_5 + period_15 + disk_utilization + disk_io_read + disk_io_write + internet_networkrx + internet_networktx + tcp_status_count + process_count
print data_post
interval = random.randint(0, 5000)
time.sleep(interval / 1000.0) headers = {"Content-Type": "text/plain", "Accept": "text/plain"}
exception = None
http_client = None
try:
try:
http_client = httplib.HTTPConnection(REMOTE_HOST, REMOTE_PORT)
http_client.request(method="POST", url=REMOTE_MONITOR_URI, body=data_post, headers=headers)
response = http_client.getresponse()
if response.status == 200:
return
else:
logger.warn("response code %d" % response.status)
logger.warn("response code %s" % response.read())
except Exception, ex:
exception = ex
finally:
if http_client:
http_client.close()
if exception:
logger.error(exception) if __name__ == '__main__':
REMOTE_HOST = 'open.cms.aliyun.com'
REMOTE_PORT = 80 # get report address
if not os.path.isfile("../cmscfg"):
pass
else:
props = {}
prop_file = file("../cmscfg", 'r')
for line in prop_file.readlines():
kv = line.split('=')
props[kv[0].strip()] = kv[1].strip()
prop_file.close()
if props.get('report_domain'):
REMOTE_HOST = props.get('report_domain')
if props.get('report_port'):
REMOTE_PORT = props.get('report_port') # get uuid
if not os.path.isfile("../aegis_quartz/conf/uuid"):
pass
else:
uuid_file = file("../aegis_quartz/conf/uuid", 'r')
UUID = uuid_file.readline()
UUID = UUID.lower() REMOTE_MONITOR_URI = "/metrics/putLines"
MONITOR_DATA_FILE_DIR = "/tmp"
LOG_FILE = "/tmp/" + "vm.log"
LOG_LEVEL = logging.INFO
LOG_FILE_MAX_BYTES = 1024 * 1024
LOG_FILE_MAX_COUNT = 3
logger = logging.getLogger('sampler')
logger.setLevel(LOG_LEVEL)
handler = RotatingFileHandler(filename=LOG_FILE, mode='a', maxBytes=LOG_FILE_MAX_BYTES,
backupCount=LOG_FILE_MAX_COUNT)
formatter = logging.Formatter(fmt='%(asctime)s - %(levelname)s - %(message)s')
handler.setFormatter(formatter)
logger.addHandler(handler)
socket.setdefaulttimeout(10) try:
collector()
except Exception, e:
logger.error(e)
sys.exit(1)
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