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@ -1,7 +1,7 @@
@@ -1,7 +1,7 @@
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#!/usr/bin/python |
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# -*- coding: utf-8 -*- |
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# @Time : 2019-11-22 |
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# @Time : 2019-11-25 |
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# @Author : lework |
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# @Desc : 针对supervisor的应用进行健康检查 |
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@ -13,6 +13,7 @@ import json
@@ -13,6 +13,7 @@ import json
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import yaml |
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import base64 |
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import socket |
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import signal |
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import smtplib |
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import datetime |
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import platform |
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@ -21,51 +22,34 @@ import subprocess
@@ -21,51 +22,34 @@ import subprocess
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from email.header import Header |
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from email.mime.text import MIMEText |
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from collections import namedtuple |
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from supervisor.xmlrpc import SupervisorTransport |
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PY2 = sys.version_info[0] == 2 |
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PY3 = sys.version_info[0] == 3 |
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if PY3: |
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import http.client as httplib |
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from xmlrpc.client import Transport, ServerProxy, Fault |
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def iterkeys(d, **kw): |
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return iter(d.keys(**kw)) |
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def iteritems(d, **kw): |
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return iter(d.items(**kw)) |
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else: |
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import httplib |
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from xmlrpclib import Transport, ServerProxy, Fault |
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def iterkeys(d, **kw): |
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return d.iterkeys(**kw) |
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def iteritems(d, **kw): |
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return d.iteritems(**kw) |
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class UnixStreamHTTPConnection(httplib.HTTPConnection): |
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""" |
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使用socket连接 |
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""" |
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def connect(self): |
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self.sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) |
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self.sock.connect(self.host) |
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class UnixStreamTransport(Transport, object): |
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""" |
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自定义xmlrpclb的Transport,以便使用socket文件连接通信 |
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""" |
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def __init__(self, socket_path): |
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self.socket_path = socket_path |
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super(UnixStreamTransport, self).__init__() |
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def make_connection(self, host): |
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return UnixStreamHTTPConnection(self.socket_path) |
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def shell(cmd): |
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""" |
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执行系统命令 |
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@ -171,12 +155,14 @@ class HealthCheck(object):
@@ -171,12 +155,14 @@ class HealthCheck(object):
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self.mail_config = None |
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self.wechat_config = None |
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self.supervisor_url = '/var/run/supervisor.sock' |
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self.supervisord_url = 'unix:///var/run/supervisor.sock' |
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if 'config' in config: |
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self.mail_config = config['config'].get('mail') |
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self.wechat_config = config['config'].get('wechat') |
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self.supervisor_url = config['config'].get('supervistorUrl', self.supervisor_url) |
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self.supervisord_url = config['config'].get('supervisordUrl', self.supervisord_url) |
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self.supervisord_user = config['config'].get('supervisordUser', None) |
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self.supervisord_pass = config['config'].get('supervisordPass', None) |
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config.pop('config') |
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self.program_config = config |
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@ -185,20 +171,20 @@ class HealthCheck(object):
@@ -185,20 +171,20 @@ class HealthCheck(object):
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self.failureThreshold = 3 |
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self.successThreshold = 1 |
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self.initialDelaySeconds = 1 |
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self.sendResolved = False |
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self.max_rss = 1024 |
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self.cumulative = False |
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self.max_cpu = 90 |
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def get_supervisor_conn(self): |
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def get_supervisord_conn(self): |
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""" |
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获取supervisor的连接 |
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:return: |
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""" |
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if 'RPC2' == self.supervisor_url[-4:]: |
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s = ServerProxy(self.supervisor_url) |
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else: |
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s = ServerProxy('http://', transport=UnixStreamTransport(self.supervisor_url)) |
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transport = SupervisorTransport(self.supervisord_user, self.supervisord_pass, self.supervisord_url) |
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s = ServerProxy('http://127.0.0.1', transport=transport) |
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return s |
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def get_pid(self, program, kind, pid_file): |
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@ -206,7 +192,7 @@ class HealthCheck(object):
@@ -206,7 +192,7 @@ class HealthCheck(object):
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获取进程pid |
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:param program: |
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:param kind: |
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:param args: |
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:param pid_file: |
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:return: |
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""" |
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pid = 0 |
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@ -214,7 +200,7 @@ class HealthCheck(object):
@@ -214,7 +200,7 @@ class HealthCheck(object):
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if kind == 'supervisor': |
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try: |
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s = self.get_supervisor_conn() |
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s = self.get_supervisord_conn() |
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info = s.supervisor.getProcessInfo(program) |
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pid = info.get('pid') |
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err = info.get('description') |
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@ -249,7 +235,10 @@ class HealthCheck(object):
@@ -249,7 +235,10 @@ class HealthCheck(object):
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def log(self, program, msg, *args): |
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""" |
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写信息到 STDERR. |
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:param str msg: string message. |
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:param program: |
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:param msg: |
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:param args: |
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:return: |
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""" |
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curr_dt = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S') |
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@ -271,6 +260,7 @@ class HealthCheck(object):
@@ -271,6 +260,7 @@ class HealthCheck(object):
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failureThreshold = config.get('failureThreshold', self.failureThreshold) |
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successThreshold = config.get('successThreshold', self.successThreshold) |
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initialDelaySeconds = config.get('initialDelaySeconds', self.initialDelaySeconds) |
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sendResolved = config.get('sendResolved', self.sendResolved) |
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action_type = config.get('action', 'restart') |
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action_exec_cmd = config.get('execCmd') |
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@ -298,7 +288,7 @@ class HealthCheck(object):
@@ -298,7 +288,7 @@ class HealthCheck(object):
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# self.log(program, '%s check state: %s', check_type, json.dumps(check_state[program])) |
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if check_state[program]['periodSeconds'] % periodSeconds == 0: |
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check_result = check_method(config) |
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check_status = check_result.get('status', 'unknow') |
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check_status = check_result.get('status', None) |
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check_info = check_result.get('info', '') |
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self.log(program, '%s check: info(%s) state(%s)', check_type.upper(), check_info, check_status) |
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@ -309,6 +299,18 @@ class HealthCheck(object):
@@ -309,6 +299,18 @@ class HealthCheck(object):
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# 先判断成功次数 |
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if check_state[program]['success'] >= successThreshold: |
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if sendResolved and check_state[program]['failure'] > 0: |
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# 只保留通知action |
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notice_action = ['email', 'wechat'] |
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send_action = ','.join(list(set(action_type.split(',')) & set(notice_action))) |
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self.log(program, 'Use %s send resolved.', send_action) |
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action_param = { |
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'check_status': check_status, |
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'action_type': send_action, |
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'msg': check_result.get('msg', '') |
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} |
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self.action(program, **action_param) |
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# 成功后,将项目状态初始化 |
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check_state[program]['failure'] = 0 |
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check_state[program]['success'] = 0 |
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@ -316,13 +318,14 @@ class HealthCheck(object):
@@ -316,13 +318,14 @@ class HealthCheck(object):
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# 再判断失败次数 |
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if check_state[program]['failure'] >= failureThreshold: |
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# 失败后, 只触发一次action,或者检测错误数是2倍periodSeconds的平方数时触发(避免重启失败导致服务一直不可用) |
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# 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) |
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if not check_state[program]['action'] or ( |
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check_state[program]['failure'] != 0 and check_state[program]['failure'] % ( |
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periodSeconds * 2) == 0): |
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(periodSeconds + initialDelaySeconds) * 2) == 0): |
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action_param = { |
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'action_type': action_type, |
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'check_result': check_result.get('msg', ''), |
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'check_status': check_status, |
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'msg': check_result.get('msg', ''), |
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'action_exec_cmd': action_exec_cmd |
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} |
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self.action(program, **action_param) |
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@ -392,7 +395,7 @@ class HealthCheck(object):
@@ -392,7 +395,7 @@ class HealthCheck(object):
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if res.status != httplib.OK: |
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return {'status': 'failure', 'msg': '[http_check] return code %s' % res.status, 'info': check_info} |
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return {'status': 'success', 'info': check_info} |
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return {'status': 'success', 'msg': '[http_check] return code %s' % res.status, 'info': check_info} |
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def tcp_check(self, config): |
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""" |
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@ -413,7 +416,7 @@ class HealthCheck(object):
@@ -413,7 +416,7 @@ class HealthCheck(object):
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except Exception as e: |
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self.log(program, 'TCP: conn error, %s', e) |
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return {'status': 'failure', 'msg': '[tcp_check] %s' % e, 'info': check_info} |
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return {'status': 'success', 'info': check_info} |
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return {'status': 'success', 'msg': '[tcp_check] connection succeeded', 'info': check_info} |
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def mem_check(self, config): |
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""" |
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@ -440,7 +443,8 @@ class HealthCheck(object):
@@ -440,7 +443,8 @@ class HealthCheck(object):
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return {'status': 'failure', 'msg': '[mem_check] max_rss(%sMB) now_rss(%sMB)' % (max_rss, now_rss), |
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'info': check_info} |
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return {'status': 'success', 'info': check_info} |
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return {'status': 'success', 'msg': '[mem_check] max_rss(%sMB) now_rss(%sMB)' % (max_rss, now_rss), |
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'info': check_info} |
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def cpu_check(self, config): |
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""" |
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@ -467,34 +471,36 @@ class HealthCheck(object):
@@ -467,34 +471,36 @@ class HealthCheck(object):
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'msg': '[cpu_check] max_cpu({max_cpu}%) now_cpu({now}%)'.format(max_cpu=max_cpu, now=now_cpu), |
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'info': check_info} |
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return {'status': 'success', 'info': check_info} |
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return {'status': 'success', |
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'msg': '[cpu_check] max_cpu({max_cpu}%) now_cpu({now}%)'.format(max_cpu=max_cpu, now=now_cpu), |
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'info': check_info} |
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def action(self, program, **args): |
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""" |
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执行动作 |
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:param program: |
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:param action_type: |
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:param error: |
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:return: |
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:param args: |
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:return: None |
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""" |
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action_type = args.get('action_type') |
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check_result = args.get('check_result') |
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msg = args.get('msg') |
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action_exec_cmd = args.get('action_exec_cmd') |
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check_status = args.get('check_status') |
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self.log(program, 'Action: %s', action_type) |
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action_list = action_type.split(',') |
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if 'restart' in action_list: |
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restart_result = self.action_supervistor_restart(program) |
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check_result += '\r\n Restart:%s' % restart_result |
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msg += '\r\n Restart:%s' % restart_result |
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elif 'exec' in action_list: |
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exec_result = self.action_exec(program, action_exec_cmd) |
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check_result += '\r\n Exec:%s' % exec_result |
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msg += '\r\n Exec:%s' % exec_result |
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if 'email' in action_list and self.mail_config: |
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self.action_email(program, action_type, check_result) |
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self.action_email(program, action_type, msg, check_status) |
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if 'wechat' in action_list and self.wechat_config: |
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self.action_wechat(program, action_type, check_result) |
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self.action_wechat(program, action_type, msg, check_status) |
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def action_supervistor_restart(self, program): |
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""" |
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@ -505,7 +511,7 @@ class HealthCheck(object):
@@ -505,7 +511,7 @@ class HealthCheck(object):
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self.log(program, 'Action: restart') |
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result = 'success' |
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try: |
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s = self.get_supervisor_conn() |
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s = self.get_supervisord_conn() |
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info = s.supervisor.getProcessInfo(program) |
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except Exception as e: |
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result = 'Get %s ProcessInfo Error: %s' % (program, e) |
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@ -541,7 +547,7 @@ class HealthCheck(object):
@@ -541,7 +547,7 @@ class HealthCheck(object):
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""" |
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执行系统命令 |
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:param program: |
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:param exec: |
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:param cmd: |
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:return: |
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""" |
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self.log(program, 'Action: exec') |
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@ -557,27 +563,34 @@ class HealthCheck(object):
@@ -557,27 +563,34 @@ class HealthCheck(object):
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return result |
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def action_email(self, program, action_type, msg): |
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def action_email(self, program, action_type, msg, check_status): |
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""" |
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发送email |
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:param subject: str |
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:param content: str |
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:return: bool |
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:param program: |
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:param action_type: |
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:param msg: |
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:param check_status: |
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:return: |
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""" |
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self.log(program, 'Action: email') |
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ip = "" |
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try: |
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s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) |
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try: |
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s.connect(('8.8.8.8', 80)) |
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ip = s.getsockname()[0] |
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except Exception as e: |
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self.log(program, 'Action: email get ip error %s' % e) |
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finally: |
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s.close() |
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hostname = platform.node().split('.')[0] |
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system_platform = platform.platform() |
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subject = "[Supervisor] %s health check Faild" % program |
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if check_status == 'success': |
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subject = "[Supervisor] %s Health check successful" % program |
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else: |
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subject = "[Supervisor] %s Health check failed" % program |
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curr_dt = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S') |
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content = """ |
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DateTime: {curr_dt} |
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@ -588,8 +601,7 @@ class HealthCheck(object):
@@ -588,8 +601,7 @@ class HealthCheck(object):
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Action: {action} |
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Msg: {msg} |
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""".format(curr_dt=curr_dt, program=program, ip=ip, hostname=hostname, system_platform=system_platform, |
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action=action_type, |
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msg=msg) |
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action=action_type, msg=msg) |
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mail_port = self.mail_config.get('port', '') |
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mail_host = self.mail_config.get('host', '') |
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mail_user = self.mail_config.get('user', '') |
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@ -612,12 +624,13 @@ class HealthCheck(object):
@@ -612,12 +624,13 @@ class HealthCheck(object):
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self.log(program, 'Action: email send success.') |
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return True |
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def action_wechat(self, program, action_type, msg): |
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def action_wechat(self, program, action_type, msg, check_status): |
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""" |
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微信通知 |
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:param program: |
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:param action_type: |
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:param msg: |
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:param check_status: |
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:return: |
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""" |
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self.log(program, 'Action: wechat') |
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@ -651,10 +664,12 @@ class HealthCheck(object):
@@ -651,10 +664,12 @@ class HealthCheck(object):
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send_url = '/cgi-bin/message/send?access_token={token}'.format(token=token) |
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ip = "" |
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try: |
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s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) |
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try: |
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s.connect(('8.8.8.8', 80)) |
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ip = s.getsockname()[0] |
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except Exception as e: |
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self.log(program, 'Action: wechat get ip error %s' % e) |
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finally: |
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s.close() |
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@ -662,17 +677,22 @@ class HealthCheck(object):
@@ -662,17 +677,22 @@ class HealthCheck(object):
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system_platform = platform.platform() |
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curr_dt = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S') |
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title = "<font color=\"warning\">[Supervisor] %s health check Faild</font>" % program |
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content = title \ |
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+ "\n> **详情信息**" \ |
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+ "\n> DataTime: " + curr_dt \ |
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+ "\n> Program: <font color=\"warning\">%s</font>" % program \ |
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+ "\n> IP: " + ip \ |
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+ "\n> Hostname: " + hostname \ |
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+ "\n> Platfrom: " + system_platform \ |
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+ "\n> Action: " + action_type \ |
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+ "\n> Msg: " + str(msg) |
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if check_status == 'success': |
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title = "<font color=\"info\">[Supervisor] %s Health check successful</font>" % program |
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else: |
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title = "<font color=\"warning\">[Supervisor] %s Health check failed</font>" % program |
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content = "{title}\n \ |
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> **详情信息**\n \ |
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> DataTime: {curr_dt}\n \ |
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> Program: <font color=\"warning\">{program}</font>\n \ |
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> IP: {ip}\n \ |
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> Hostname: {hostname}\n \ |
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> Platfrom: {platfrom}\n \ |
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> Action: {action}\n \ |
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|
> Msg: {msg}".format(title=title, curr_dt=curr_dt, program=program, ip=ip, hostname=hostname, |
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|
platfrom=system_platform, action=action_type, msg=msg) |
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|
data = { |
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|
"msgtype": 'markdown', |
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@ -712,9 +732,6 @@ class HealthCheck(object):
@@ -712,9 +732,6 @@ class HealthCheck(object):
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:return: |
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""" |
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|
self.log('healthCheck:', 'start') |
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|
s = self.get_supervisor_conn() |
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|
info = s.supervisor.getProcessInfo('api-paibloks-show') |
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|
print(info) |
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|
threads = [] |
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|
for key, value in iteritems(self.program_config): |
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|
@ -723,18 +740,32 @@ class HealthCheck(object):
@@ -723,18 +740,32 @@ class HealthCheck(object):
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|
t = threading.Thread(target=self.check, args=(item,)) |
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|
threads.append(t) |
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|
for t in threads: |
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|
t.setDaemon(True) |
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|
t.start() |
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|
for t in threads: |
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|
t.join() |
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|
while True: |
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|
pass |
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|
|
if __name__ == '__main__': |
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|
|
# 信号处理 |
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|
|
def sig_handler(signum, frame): |
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|
|
print("Exit check!") |
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|
sys.exit(0) |
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|
|
signal.signal(signal.SIGINT, sig_handler) |
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|
signal.signal(signal.SIGTERM, sig_handler) |
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|
signal.signal(signal.SIGQUIT, sig_handler) |
|
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|
|
# 获取当前目录下的配置文件,没有的话就生成个模板 |
|
|
|
|
config_file = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'config.yaml') |
|
|
|
|
if not os.path.exists(config_file): |
|
|
|
|
example_config = """ |
|
|
|
|
config: # 脚本配置名称,请勿更改 |
|
|
|
|
# supervisordUrl: http://localhost:9001/RPC2 # supervisor的接口地址, 默认使用本地socker文件/var/run/supervisor.sock |
|
|
|
|
# supervisordUrl: http://localhost:9001/RPC2 # supervisor的接口地址, 默认使用本地socket文件unix:///var/run/supervisor.sock |
|
|
|
|
# supervisordUser: user # supervisor中设置的username, 没有设置可不填 |
|
|
|
|
# supervisordPass: pass # supervisor中设置的password, 没有设置可不填 |
|
|
|
|
# mail: # stmp配置 |
|
|
|
|
# host: 'smtp.test.com' |
|
|
|
|
# port': '465' |
|
|
|
@ -762,6 +793,7 @@ cat1: # supervisor中配置的program名称
@@ -762,6 +793,7 @@ cat1: # supervisor中配置的program名称
|
|
|
|
|
successThreshold: 2 # 失败后检查成功的最小连续成功次数, 默认:1 |
|
|
|
|
action: restart,email # 触发的动作: restart,exec,email,wechat (restart和exec互斥,同时设置时restart生效) 默认: restart |
|
|
|
|
execCmd: command # action exec 的执行命令 |
|
|
|
|
sendResolved: True # 是否发送恢复通知,仅用作于email,wechat. 默认: False |
|
|
|
|
|
|
|
|
|
# cpu方式监控 |
|
|
|
|
cat2: # supervisor中配置的program名称 |
|
|
|
@ -775,6 +807,7 @@ cat2: # supervisor中配置的program名称
@@ -775,6 +807,7 @@ cat2: # supervisor中配置的program名称
|
|
|
|
|
successThreshold: 2 # 失败后检查成功的最小连续成功次数, 默认:1 |
|
|
|
|
action: restart,email # 触发的动作: restart,exec,email,wechat (restart和exec互斥,同时设置时restart生效) 默认: restart |
|
|
|
|
execCmd: command # action exec 的执行命令 |
|
|
|
|
sendResolved: True # 是否发送恢复通知,仅用作于email,wechat. 默认: False |
|
|
|
|
|
|
|
|
|
# HTTP方式监控 |
|
|
|
|
cat3: |
|
|
|
@ -794,6 +827,7 @@ cat3:
@@ -794,6 +827,7 @@ cat3:
|
|
|
|
|
successThreshold: 2 # 失败后检查成功的最小连续成功次数, 默认:1 |
|
|
|
|
action: restart,email # 触发的动作: restart,exec,email,wechat (restart和exec互斥,同时设置时restart生效) 默认: restart |
|
|
|
|
execCmd: command # action exec 的执行命令 |
|
|
|
|
sendResolved: True # 是否发送恢复通知,仅用作于email,wechat. 默认: False |
|
|
|
|
|
|
|
|
|
# TCP方式监控 |
|
|
|
|
cat4: |
|
|
|
@ -807,6 +841,7 @@ cat4:
@@ -807,6 +841,7 @@ cat4:
|
|
|
|
|
successThreshold: 2 # 失败后检查成功的最小连续成功次数, 默认:1 |
|
|
|
|
action: restart,email # 触发的动作: restart,exec,email,wechat (restart和exec互斥,同时设置时restart生效) 默认: restart |
|
|
|
|
execCmd: command # action exec 的执行命令 |
|
|
|
|
sendResolved: True # 是否发送恢复通知,仅用作于email,wechat. 默认: False |
|
|
|
|
""" |
|
|
|
|
with open(config_file, 'w') as f: |
|
|
|
|
f.write(example_config) |
|
|
|
@ -816,11 +851,7 @@ cat4:
@@ -816,11 +851,7 @@ cat4:
|
|
|
|
|
sys.exit(0) |
|
|
|
|
|
|
|
|
|
with open(config_file) as f: |
|
|
|
|
config = yaml.load(f) |
|
|
|
|
config = yaml.safe_load(f) |
|
|
|
|
|
|
|
|
|
check = HealthCheck(config) |
|
|
|
|
print(dir(check)) |
|
|
|
|
# s = check.get_supervisor_conn() |
|
|
|
|
# info = s.supervisor.getProcessInfo('api-paibloks-show') |
|
|
|
|
# print(info) |
|
|
|
|
check.start() |
|
|
|
|