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supervisor_healthCheck.py
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#!/usr/bin/python
# -*- coding: utf-8 -*-
# @Time : 2020-06-05
# @Author : lework
# @Desc : 针对supervisor的应用进行健康检查
# @Version : 1.7
import os
import re
import sys
import time
import json
import yaml
import base64
import socket
import signal
import smtplib
import datetime
import platform
import threading
import subprocess
import hmac
from hashlib import sha256
from email.header import Header
from email.mime.text import MIMEText
from collections import namedtuple
from supervisor.xmlrpc import SupervisorTransport
PY3 = sys.version_info[0] == 3
if PY3:
import http.client as httplib
from xmlrpc.client import Transport, ServerProxy, Fault
def iterkeys(d, **kw):
return iter(d.keys(**kw))
def iteritems(d, **kw):
return iter(d.items(**kw))
else:
import httplib
from xmlrpclib import Transport, ServerProxy, Fault
def iterkeys(d, **kw):
return d.iterkeys(**kw)
def iteritems(d, **kw):
return d.iteritems(**kw)
def shell(cmd):
"""
执行系统命令
:param cmd:
:return: (exitcode, stdout, stderr)
"""
# with os.popen(cmd) as f:
# return f.read()
env_to_pass = dict(os.environ)
proc = subprocess.Popen(cmd,
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
env=env_to_pass)
proc.wait()
return (proc.returncode,) + proc.communicate()
def drop_cache():
"""
清除缓存, 1: pagecache, 2: dentries and inodes, 3: 1+2
"""
cmd = "sync && echo 1 > /proc/sys/vm/drop_caches"
exitcode, _, _ = shell(cmd)
return exitcode
def get_proc_cpu(pid):
"""
获取进程CPU使用率
:param pid:
:return:
"""
pscommand = 'ps -opcpu= -p %s'
_, data, _ = shell(pscommand % pid)
if not data:
# 未获取到数据值，或者没有此pid信息
return None
try:
cpu_utilization = data.strip()
cpu_utilization = float(cpu_utilization)
except ValueError:
# 获取的结果不包含数据，或者无法识别cpu_utilization
return None
return cpu_utilization
def get_proc_mem(pid, type="rss"):
"""
获取进程内存使用
:param pid:
:param type:
:return:
"""
smaps_file = "/proc/%s/smaps" % pid
smaps_data = ""
if not os.path.exists(smaps_file):
print("[Error] not found %s" % smaps_file)
return None
try:
with open("/proc/%s/smaps" % (pid)) as f:
smaps_data = f.read().strip()
except Exception as e:
print("[Error] %s" % e)
return None
if type == "rss":
rss_re = re.compile(br"\nRss\:\s+(\d+)")
data = sum(map(int, rss_re.findall(smaps_data)))
elif type == "pss":
pss_re = re.compile(br"\nPss\:\s+(\d+)")
data = sum(map(int, pss_re.findall(smaps_data)))
elif type == "uss":
private_re = re.compile(br"\nPrivate.*:\s+(\d+)")
data = sum(map(int, private_re.findall(smaps_data)))
data = data / 1024 # rss 的单位是 KB， 这里返回MB单位
return data
class WorkerThread(threading.Thread):
"""
自定义Thread，记录线程的异常信息
"""
def __init__(self, target=None, args=(), kwargs={}, name=None):
super(WorkerThread, self).__init__(target=target, args=args, kwargs=kwargs, name=name)
self._target = target
self._args = args
self._kwargs = kwargs
self.exception = None
def run(self):
try:
if self._target:
self._target(*self._args, **self._kwargs)
except Exception as e:
# 记录线程异常
self.exception = sys.exc_info()
finally:
del self._target, self._args, self._kwargs
def get_exception(self):
return self.exception
class HealthCheck(object):
def __init__(self, config):
"""
初始化配置
:param config:
"""
self.mail_config = None
self.wechat_config = None
self.dingding_config = None
self.feishu_config = None
self.supervisord_url = 'unix:///var/run/supervisor.sock'
if 'config' in config:
self.mail_config = config['config'].get('mail')
self.wechat_config = config['config'].get('wechat')
self.dingding_config = config['config'].get('dingding')
self.feishu_config = config['config'].get('feishu')
self.supervisord_url = config['config'].get('supervisordUrl', self.supervisord_url)
self.supervisord_user = config['config'].get('supervisordUser', None)
self.supervisord_pass = config['config'].get('supervisordPass', None)
config.pop('config')
self.program_config = config
# 只保留通知action
self.notice_action = ['email', 'wechat', 'dingding', 'feishu']
self.periodSeconds = 5
self.failureThreshold = 3
self.successThreshold = 1
self.initialDelaySeconds = 1
self.sendResolved = False
self.mem_type = 'rss'
self.max_mem = 1024
self.max_cpu = 90
def get_supervisord_conn(self):
"""
获取supervisor的连接
:return:
"""
transport = SupervisorTransport(self.supervisord_user, self.supervisord_pass, self.supervisord_url)
s = ServerProxy('http://127.0.0.1', transport=transport)
return s
def get_pid(self, program, kind, pid_file):
"""
获取进程pid
:param program:
:param kind:
:param pid_file:
:return:
"""
pid = 0
err = ''
if kind == 'supervisor':
# 通过supervisor程序获取pid
try:
s = self.get_supervisord_conn()
info = s.supervisor.getProcessInfo(program)
pid = info.get('pid')
err = info.get('description')
except Exception as e:
self.log(program, "PID: Can't get pid from supervisor %s ", e)
elif kind == 'name':
# 通过进程名称获取pid
pscommand = "ps -A -o pid,cmd | grep '[%s]%s' | awk '{print $1}' | head -1"
exitcode, stdout, stderr = shell(pscommand % (program[0], program[1:]))
if exitcode == 0:
pid = stdout.strip()
else:
self.log(program, "PID: Can't get pid from name %s ", stderr)
pid = 0
err = stderr
elif kind == 'file':
# 通过文件获取pid
if pid_file:
try:
with open(pid_file) as f:
pid = f.read().strip()
except Exception as e:
self.log(program, "PID: Can't get pid from file %s ", e)
err = "Can't get pid from file"
else:
err = "PID: pid file not set."
self.log(program, err)
if not pid:
pid = 0
return pid, err
def log(self, program, msg, *args):
"""
写信息到 STDERR.
:param program:
:param msg:
:param args:
:return:
"""
curr_dt = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')
sys.stderr.write(
'%s [%s] %s\n' % (curr_dt, program, msg % args,))
sys.stderr.flush()
def check(self, config):
"""
检查主函数
:param config:
:return:
"""
check_state = {}
program = config.get('program')
periodSeconds = config.get('periodSeconds', self.periodSeconds)
failureThreshold = config.get('failureThreshold', self.failureThreshold)
successThreshold = config.get('successThreshold', self.successThreshold)
initialDelaySeconds = config.get('initialDelaySeconds', self.initialDelaySeconds)
sendResolved = config.get('sendResolved', self.sendResolved)
action_type = config.get('action', 'restart')
check_type = config.get('type', 'http').lower()
if check_type == 'http':
check_method = self.http_check
elif check_type == 'tcp':
check_method = self.tcp_check
elif check_type == 'mem':
check_method = self.mem_check
elif check_type == 'cpu':
check_method = self.cpu_check
while 1:
if program not in check_state:
check_state[program] = {
'periodSeconds': 1,
'failure': 0,
'success': 0,
'action': False
}
self.log(program, '[CONFIG]: %s', config)
time.sleep(initialDelaySeconds)
# self.log(program, '%s check state: %s', check_type, json.dumps(check_state[program]))
if check_state[program]['periodSeconds'] % periodSeconds == 0:
check_result = check_method(config)
check_status = check_result.get('status', None)
check_info = check_result.get('info', '')
self.log(program, '[%s check]: info(%s) state(%s)', check_type.upper(), check_info, check_status)
if check_status == 'failure':
check_state[program]['failure'] += 1
elif check_status == 'success':
check_state[program]['success'] += 1
# 先判断成功次数
if check_state[program]['success'] >= successThreshold:
# 只有开启恢复通知和检测失败并且执行操作后,才可以发送恢复通知
if sendResolved and check_state[program]['action']:
send_action = ','.join(list(set(action_type.split(',')) & set(self.notice_action)))
self.log(program, '[Resolved] Use %s.', send_action)
action_param = {
'check_status': check_status,
'action_type': send_action,
'msg': check_result.get('msg', '')
}
self.action(program, **action_param)
# 成功后,将项目状态初始化
check_state[program]['failure'] = 0
check_state[program]['success'] = 0
check_state[program]['action'] = False
# 再判断失败次数
if check_state[program]['failure'] >= failureThreshold:
# 失败后, 只触发一次action, 或者检测错误数可以整除2倍periodSeconds与initialDelaySeconds时触发(避免重启失败导致服务一直不可用)
if not check_state[program]['action'] or (
check_state[program]['failure'] != 0 and check_state[program]['failure'] % (
(periodSeconds + initialDelaySeconds) * 2) == 0):
action_param = {
'config': config,
'action_type': action_type,
'check_status': check_status,
'msg': check_result.get('msg', '')
}
self.action(program, **action_param)
check_state[program]['action'] = True
# 间隔时间清0
check_state[program]['periodSeconds'] = 0
time.sleep(1)
check_state[program]['periodSeconds'] += 1
def http_check(self, config):
"""
用于检查http连接
:param config:
:return: dict
"""
program = config.get('program')
config_host = config.get('host', 'localhost')
config_path = config.get('path', '/')
config_port = config.get('port', '80')
config_method = config.get('method', 'GET')
config_timeoutSeconds = config.get('timeoutSeconds', 3)
config_body = config.get('body', '')
config_json = config.get('json', '')
config_hearders = config.get('hearders', '')
config_username = config.get('username', '')
config_password = config.get('password', '')
HEADERS = {'User-Agent': 'leops http_check'}
headers = HEADERS.copy()
if config_hearders:
try:
headers.update(json.loads(config_hearders))
except Exception as e:
self.log(program, '[http_check]: config_headers not loads: %s , %s', config_hearders, e)
if config_json:
headers['Content-Type'] = 'application/json'
if config_username and config_password:
auth_str = '%s:%s' % (config_username, config_password)
headers['Authorization'] = 'Basic %s' % base64.b64encode(auth_str.encode()).decode()
if config_json:
try:
config_body = json.dumps(config_json)
except Exception as e:
self.log(program, '[http_check]: config_json not loads: %s , %s', json, e)
check_info = '%s %s %s %s %s %s' % (config_host, config_port, config_path, config_method,
config_body, headers)
try:
httpClient = httplib.HTTPConnection(config_host, config_port, timeout=config_timeoutSeconds)
httpClient.request(config_method, config_path, config_body, headers=headers)
res = httpClient.getresponse()
except Exception as e:
self.log(program, '[http_check]: conn error, %s', e)
return {'status': 'failure', 'msg': '[http_check] %s' % e, 'info': check_info}
finally:
if httpClient:
httpClient.close()
if res.status != httplib.OK:
return {'status': 'failure', 'msg': '[http_check] return code %s' % res.status, 'info': check_info}
return {'status': 'success', 'msg': '[http_check] return code %s' % res.status, 'info': check_info}
def tcp_check(self, config):
"""
用于检查TCP连接
:param config:
:return: dict
"""
program = config.get('program')
host = config.get('host', 'localhost')
port = config.get('port', 80)
timeoutSeconds = config.get('timeoutSeconds', 3)
check_info = '%s %s' % (host, port)
try:
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.settimeout(timeoutSeconds)
sock.connect((host, port))
sock.close()
except Exception as e:
self.log(program, '[tcp_check]: conn error, %s', e)
return {'status': 'failure', 'msg': '[tcp_check] %s' % e, 'info': check_info}
return {'status': 'success', 'msg': '[tcp_check] connection succeeded', 'info': check_info}
def mem_check(self, config):
"""
用于检查进程内存
:param config:
:return: dict
"""
program = config.get('program')
max_mem = config.get('maxMem', self.max_mem)
mem_type = config.get('memType', self.mem_type)
pid_get = config.get('pidGet', 'supervisor')
pid_file = config.get('pidFile', )
check_info = 'max_mem:%sMB mem_type:%s' % (max_mem, mem_type)
pid, err = self.get_pid(program, pid_get, pid_file)
if pid == 0:
self.log(program, '[mem_check]: check error, program not starting.')
return {'status': 'failure',
'msg': '[mem_check] program not starting, message: %s.' % err,
'info': check_info}
now_mem = get_proc_mem(pid, mem_type)
check_info = '%s now_mem:%sMB pid:%s' % (check_info, now_mem, pid)
if now_mem >= int(max_mem):
return {'status': 'failure', 'msg': '[mem_check] max_mem(%sMB) now_mem(%sMB)' % (max_mem, now_mem),
'info': check_info}
return {'status': 'success', 'msg': '[mem_check] max_mem(%sMB) now_mem(%sMB)' % (max_mem, now_mem),
'info': check_info}
def cpu_check(self, config):
"""
用于检查进程CPU
:param config:
:return: dict
"""
program = config.get('program')
max_cpu = config.get('maxCpu', self.max_cpu)
pid_get = config.get('pidGet', 'supervisor')
pid_file = config.get('pidFile', )
check_info = 'max_cpu:{cpu}%'.format(cpu=max_cpu)
pid, err = self.get_pid(program, pid_get, pid_file)
if pid == 0:
self.log(program, '[cpu_check]: check error, program not starting.')
return {'status': 'failure',
'msg': '[cpu_check] program not starting, message: %s.' % err,
'info': check_info}
now_cpu = get_proc_cpu(pid)
check_info = '{info} now_cpu:{now}% pid:{pid}'.format(info=check_info, now=now_cpu, pid=pid)
if now_cpu >= int(max_cpu):
return {'status': 'failure',
'msg': '[cpu_check] max_cpu({max_cpu}%) now_cpu({now}%)'.format(max_cpu=max_cpu, now=now_cpu),
'info': check_info}
return {'status': 'success',
'msg': '[cpu_check] max_cpu({max_cpu}%) now_cpu({now}%)'.format(max_cpu=max_cpu, now=now_cpu),
'info': check_info}
def action(self, program, **args):
"""
执行动作
:param program:
:param args:
:return: None
"""
action_type = args.get('action_type')
msg = args.get('msg')
check_status = args.get('check_status')
config = args.get('config')
self.log(program, '[Action: %s]', action_type)
action_list = action_type.split(',')
if 'restart' in action_list:
restart_result = self.action_supervisor_restart(program)
msg += '\r\n**Restart**：%s' % restart_result
elif 'exec' in action_list:
action_exec_cmd = config.get('action_exec_cmd')
exec_result = self.action_exec(program, action_exec_cmd)
msg += '\r\n**Exec**：%s' % exec_result
elif 'kill' in action_list:
pid_get = config.get('pidGet', 'supervisor')
pid_file = config.get('pidFile', )
pid, err = self.get_pid(program, pid_get, pid_file)
kill_result = self.action_kill(program, pid)
msg += '\r\n**Kill**：%s' % kill_result
if 'email' in action_list and self.mail_config:
self.action_email(program, action_type, msg, check_status)
if 'wechat' in action_list and self.wechat_config:
self.action_wechat(program, action_type, msg, check_status)
if 'dingding' in action_list and self.dingding_config:
self.action_dingding(program, action_type, msg, check_status)
if 'feishu' in action_list and self.feishu_config:
self.action_feishu(program, action_type, msg, check_status)
def action_supervisor_restart(self, program):
"""
通过supervisor的rpc接口重启进程
:param program:
:return:
"""
result = 'success'
try:
s = self.get_supervisord_conn()
info = s.supervisor.getProcessInfo(program)
except Exception as e:
result = 'Get %s ProcessInfo Error: %s' % (program, e)
self.log(program, '[Action: restart] %s' % result)
return result
if info['state'] == 20:
try:
stop_result = s.supervisor.stopProcess(program)
self.log(program, '[Action: restart] stop result %s', stop_result)
except Fault as e:
result = 'Failed to stop process %s, exiting: %s' % (program, e)
self.log(program, '[Action: restart] stop error %s', result)
return result
time.sleep(1)
info = s.supervisor.getProcessInfo(program)
drop_cache_state = drop_cache()
if drop_cache_state == 0:
self.log(program, '[Action: restart] drop pagecache success.')
else:
self.log(program, '[Action: restart] drop pagecache error.')
if info['state'] != 20:
try:
start_result = s.supervisor.startProcess(program)
self.log(program, '[Action: restart] start result %s', start_result)
except Fault as e:
result = 'Failed to start process %s, exiting: %s' % (program, e)
self.log(program, '[Action: restart] start error %s', result)
return result
return result
def action_exec(self, program, cmd):
"""
执行系统命令
:param program:
:param cmd:
:return:
"""
result = 'success'
exitcode, stdout, stderr = shell(cmd)
if exitcode == 0:
self.log(program, "[Action: exec] result success")
else:
result = 'Failed to exec %s, exiting: %s' % (program, exitcode)
self.log(program, "[Action: exec] result %s", result)
return result
def action_kill(self, program, pid):
"""
杀死进程
:param program:
:param pid:
:return:
"""
result = 'success'
if int(pid) < 3:
return 'Failed to kill %s, pid: %s ' % (program, pid)
cmd = "kill -9 %s" % pid
exitcode, stdout, stderr = shell(cmd)
if exitcode == 0:
self.log(program, "[Action: kill] result success")
else:
result = 'Failed to kill %s, pid: %s exiting: %s' % (program, pid, exitcode)
self.log(program, "[Action: kill] result %s", result)
drop_cache_state = drop_cache()
if drop_cache_state == 0:
self.log(program, '[Action: kill] drop pagecache success.')
else:
self.log(program, '[Action: kill] drop pagecache error.')
return result
def action_email(self, program, action_type, msg, check_status):
"""
发送email
:param program:
:param action_type:
:param msg:
:param check_status:
:return:
"""
ip = ""
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
try:
s.connect(('8.8.8.8', 80))
ip = s.getsockname()[0]
except Exception as e:
self.log(program, '[Action: email] get ip error %s' % e)
finally:
s.close()
hostname = platform.node().split('.')[0]
system_platform = platform.platform()
if check_status == 'success':
subject = "[Supervisor] %s Health check successful" % program
else:
subject = "[Supervisor] %s Health check failed" % program
curr_dt = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')
content = """
DateTime: {curr_dt}
Program: {program}
IP: {ip}
Hostname: {hostname}
Platfrom: {system_platform}
Action: {action}
Msg: {msg}
""".format(curr_dt=curr_dt, program=program, ip=ip, hostname=hostname, system_platform=system_platform,
action=action_type, msg=msg)
mail_port = self.mail_config.get('port', '')
mail_host = self.mail_config.get('host', '')
mail_user = self.mail_config.get('user', '')
mail_pass = self.mail_config.get('pass', '')
to_list = self.mail_config.get('to_list', [])
msg = MIMEText(content, _subtype='plain', _charset='utf-8')
msg['Subject'] = Header(subject, 'utf-8')
msg['From'] = mail_user
msg['to'] = ",".join(to_list)
try:
s = smtplib.SMTP_SSL(mail_host, mail_port)
s.login(mail_user, mail_pass)
s.sendmail(mail_user, to_list, msg.as_string())
s.quit()
except Exception as e:
self.log(program, '[Action: email] send error %s' % e)
return False
self.log(program, '[Action: email] send success.')
return True
def action_wechat(self, program, action_type, msg, check_status):
"""
微信通知
:param program:
:param action_type:
:param msg:
:param check_status:
:return:
"""
host = "qyapi.weixin.qq.com"
corpid = self.wechat_config.get('corpid')
secret = self.wechat_config.get('secret')
agentid = self.wechat_config.get('agentid')
touser = self.wechat_config.get('touser')
toparty = self.wechat_config.get('toparty')
totag = self.wechat_config.get('totag')
headers = {
'Content-Type': 'application/json'
}
access_token_url = '/cgi-bin/gettoken?corpid={id}&corpsecret={crt}'.format(id=corpid, crt=secret)
try:
httpClient = httplib.HTTPSConnection(host, timeout=10)
httpClient.request("GET", access_token_url, headers=headers)
response = httpClient.getresponse()
token = json.loads(response.read())['access_token']
except Exception as e:
self.log(program, '[Action: wechat] get token error %s' % e)
return False
finally:
if httpClient:
httpClient.close()
send_url = '/cgi-bin/message/send?access_token={token}'.format(token=token)
ip = ""
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
try:
s.connect(('8.8.8.8', 80))
ip = s.getsockname()[0]
except Exception as e:
self.log(program, '[Action: wechat] get ip error %s' % e)
finally:
s.close()
hostname = platform.node().split('.')[0]
system_platform = platform.platform()
curr_dt = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')
if check_status == 'success':
title = "<font color=\"info\">[Supervisor] %s Health check successful</font>" % program
else:
title = "<font color=\"warning\">[Supervisor] %s Health check failed</font>" % program
content = "{title}\n \
> **详情信息**\n \
> DataTime: {curr_dt}\n \
> Program: <font color=\"warning\">{program}</font>\n \
> IP: {ip}\n \
> Hostname: {hostname}\n \
> Platfrom: {platfrom}\n \
> Action: {action}\n \
> Msg: {msg}".format(title=title, curr_dt=curr_dt, program=program, ip=ip, hostname=hostname,
platfrom=system_platform, action=action_type, msg=msg)
data = {
"msgtype": 'markdown',
"agentid": agentid,
"markdown": {'content': content},
"safe": 0
}
if touser:
data['touser'] = touser
if toparty:
data['toparty'] = toparty
if toparty:
data['totag'] = totag
try:
httpClient = httplib.HTTPSConnection(host, timeout=10)
httpClient.request("POST", send_url, json.dumps(data), headers=headers)
response = httpClient.getresponse()
result = json.loads(response.read())
if result['errcode'] != 0:
self.log(program, '[Action: wechat] send faild %s' % result)
return False
except Exception as e:
self.log(program, '[Action: wechat] send error %s' % e)
return False
finally:
if httpClient:
httpClient.close()
self.log(program, '[Action: wechat] send success')
return True
def action_dingding(self, program, action_type, msg, check_status):
curr_dt = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')
hostname = platform.node().split('.')[0]
system_platform = platform.platform()
host = "oapi.dingtalk.com"
access_token = self.dingding_config.get('access_token')
send_url = '/robot/send?access_token={access_token}'.format(access_token=access_token)
headers = {
'Content-Type': 'application/json'
}
if check_status == 'success':
title = "[%s] Health check successful" % program
else:
title = "[%s] Health check failed" % program
data = {
"msgtype": "markdown",
"markdown": {
"title": title,
"text": "#### 详情信息: \n> Program：%s \n\n> DataTime: %s \n\n> Hostname: %s \n\n> Platfrom: %s \n\n> Msg：%s" % (
program, curr_dt, hostname, system_platform, msg)
}
}
try:
httpClient = httplib.HTTPSConnection(host, timeout=10)
httpClient.request("POST", send_url, json.dumps(data), headers=headers)
response = httpClient.getresponse()
result = json.loads(response.read())
if result['errcode'] != 0:
self.log(program, '[Action: dingding] send faild %s' % result)
return False
except Exception as e:
self.log(program, '[Action: dingding] send error %s' % e)
return False
finally:
if httpClient:
httpClient.close()
self.log(program, '[Action: dingding] send success')
return True
def action_feishu(self, program, action_type, msg, check_status):
"""
飞书通知
:param program:
:param action_type:
:param msg:
:param check_status:
:return:
"""
host = "open.feishu.cn"
secret = self.feishu_config.get('secret')
webhook = self.feishu_config.get('webhook')
headers = {
'Content-Type': 'application/json'
}
send_url = "/open-apis/bot/v2/hook/{webhook}".format(webhook=webhook)
ip = ""
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
try:
s.connect(('8.8.8.8', 80))
ip = s.getsockname()[0]
except Exception as e:
self.log(program, '[Action: feishu] get ip error %s' % e)
finally:
s.close()
hostname = platform.node().split('.')[0]
system_platform = platform.platform()
curr_dt = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')
if check_status == 'success':
title = "[Supervisor] %s Health check successful" % program
title_color = "green"
else:
title = "[Supervisor] %s Health check failed" % program
title_color = "red"
content = "**DataTime**: {curr_dt}\n**Program**: {program}\n**IP**: {ip}\n**Hostname**: {hostname}\n**Platfrom**: {platfrom}\n**Action**: {action}\n**Msg**: {msg}".format(
curr_dt=curr_dt, program=program, ip=ip, hostname=hostname,
platfrom=system_platform, action=action_type, msg=msg)
data = {
"msg_type": "interactive",
"card": {
"config": {
"wide_screen_mode": True,
"enable_forward": True
},
"header": {
"title": {
"content": title,
"tag": "plain_text"
},
"template": title_color
},
"elements": [{
"tag": "div",
"text": {
"content": "详细信息:",
"tag": "lark_md"
},
"fields": [
{
"is_short": False,
"text": {
"tag": "lark_md",
"content": content
}
}]
}]
}
}
if secret != "":
msg = ""
timestamp = ""
if PY3:
timestamp = str(round(time.time()))
key = '{}\n{}'.format(timestamp, secret)
key_enc = key.encode('utf-8')
msg_enc = msg.encode('utf-8')
else:
print("python2")
timestamp = long(round(time.time()))
key = '{}\n{}'.format(timestamp, secret)
key_enc = bytes(key).encode('utf-8')
msg_enc = bytes(msg).encode('utf-8')
hmac_code = hmac.new(key_enc, msg_enc, digestmod=sha256).digest()
sign = base64.b64encode(hmac_code).decode('utf-8')
data['timestamp'] = timestamp
data['sign'] = sign
print(data)
httpClient = httplib.HTTPSConnection(host, timeout=10)
try:
httpClient.request("POST", send_url, json.dumps(data), headers=headers)
response = httpClient.getresponse()
result = json.loads(response.read())
if result.get('StatusCode', 1) != 0:
self.log(program, '[Action: feishu] send faild %s' % result)
return False
except Exception as e:
self.log(program, '[Action: feishu] send error [%s] %s' % (result, e))
return False
finally:
if httpClient:
httpClient.close()
self.log(program, '[Action: feishu] send success')
return True
def start(self):
"""
启动检测
:return:
"""
self.log('healthCheck', 'start')
threads = []
threads_data = {}
for key, value in iteritems(self.program_config):
item = value
item['program'] = key
t = WorkerThread(target=self.check, args=(item,), name=key)
threads.append(t)
threads_data[key] = item
for t in threads:
t.setDaemon(True)
t.start()
while 1:
time.sleep(0.1)
for i, t in enumerate(threads):
if not t.isAlive():
thread_name = t.getName()
self.log('ERROR', 'Exception in %s (catch by main): %s' % (thread_name, t.get_exception()))
self.log('ERROR', 'Create new Thread!')
t = WorkerThread(target=self.check, args=(threads_data[thread_name],), name=thread_name)
t.setDaemon(True)
t.start()
threads[i] = t
if __name__ == '__main__':
# 信号处理
def sig_handler(signum, frame):