File size: 11,017 Bytes
a757bd3 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 | import json
import os
import time
from typing import Tuple, Union, Optional
from .mods import PUSH_DATA_PATH, TaskTemplateConfig, TaskConfig
from .send_tool import WxAccountMsg
from .base_task import BaseTask, BaseTaskViewMsg
from .util import read_file, DB, GET_CLASS, write_file
class NginxLoadTask(BaseTask):
def __init__(self):
super().__init__()
self.source_name = "nginx_load_push"
self.template_name = "负载均衡告警"
self._tip_counter = None
@property
def tip_counter(self) -> dict:
if self._tip_counter is not None:
return self._tip_counter
tip_counter = '{}/load_balance_push.json'.format(PUSH_DATA_PATH)
if os.path.exists(tip_counter):
try:
self._tip_counter = json.loads(read_file(tip_counter))
except json.JSONDecodeError:
self._tip_counter = {}
else:
self._tip_counter = {}
return self._tip_counter
def save_tip_counter(self):
tip_counter = '{}/load_balance_push.json'.format(PUSH_DATA_PATH)
write_file(tip_counter, json.dumps(self.tip_counter))
def get_title(self, task_data: dict) -> str:
if task_data["project"] == "all":
return "负载节点异常告警"
return "负载节点[{}]异常告警".format(task_data["project"])
def check_task_data(self, task_data: dict) -> Union[dict, str]:
all_upstream_name = DB("upstream").field("name").select()
if isinstance(all_upstream_name, str) and all_upstream_name.startswith("error"):
return '没有负载均衡配置，无法设置告警'
all_upstream_name = [i["name"] for i in all_upstream_name]
if not bool(all_upstream_name):
return '没有负载均衡配置，无法设置告警'
if task_data["project"] not in all_upstream_name and task_data["project"] != "all":
return '没有该负载均衡配置，无法设置告警'
cycle = []
for i in task_data["cycle"].split("|"):
if bool(i) and i.isdecimal():
code = int(i)
if 100 <= code < 600:
cycle.append(str(code))
if not bool(cycle):
return '没有指定任何错误码，无法设置告警'
task_data["cycle"] = "|".join(cycle)
task_data["interval"] = 300
return task_data
def get_keyword(self, task_data: dict) -> str:
return task_data["project"]
def _check_func(self, upstream_name: str, codes: str, interval:int) -> list:
import PluginLoader
get_obj = GET_CLASS()
get_obj.upstream_name = upstream_name
# 调用外部插件检查负载均衡的健康状况
upstreams = PluginLoader.plugin_run("load_balance", "get_check_upstream", get_obj)
access_codes = [int(i) for i in codes.split("|") if bool(i.strip())]
res_list = []
for upstream in upstreams:
# 检查每个节点，返回有问题的节点信息
res = upstream.check_nodes(access_codes, return_nodes=True)
for ping_url in res:
if ping_url in self.tip_counter:
self.tip_counter[ping_url].append(int(time.time()))
idx = 0
for i in self.tip_counter[ping_url]:
# 清理超过4分钟的记录
if time.time() - i > interval * 4:
idx += 1
self.tip_counter[ping_url] = self.tip_counter[ping_url][idx:]
print("self.tip_counter[ping_url]",self.tip_counter[ping_url])
# 如果一个节点连续三次出现在告警列表中，则视为需要告警
if len(self.tip_counter[ping_url]) >= 3:
res_list.append(ping_url)
self.tip_counter[ping_url] = []
else:
self.tip_counter[ping_url] = [int(time.time()), ]
self.save_tip_counter()
return res_list
def get_push_data(self, task_id: str, task_data: dict) -> Optional[dict]:
err_nodes = self._check_func(task_data["project"], task_data["cycle"], task_data.get("interval", 300))
if not err_nodes:
return None
pj = "负载均衡:【{}】".format(task_data["project"]) if task_data["project"] != "all" else "负载均衡"
nodes = '、'.join(err_nodes)
self.title = self.get_title(task_data)
return {
"msg_list": [
">通知类型：负载均衡告警",
">告警内容：<font color=#ff0000>{}配置下的节点【{}】出现访问错误，请及时关注节点情况并处理。</font> ".format(
pj, nodes),
],
"pj": pj,
"nodes": nodes
}
def filter_template(self, template: dict) -> Optional[dict]:
if not os.path.exists("/www/server/panel/plugin/load_balance/load_balance_main.py"):
return None
all_upstream = DB("upstream").field("name").select()
if isinstance(all_upstream, str) and all_upstream.startswith("error"):
return None
all_upstream_name = [i["name"] for i in all_upstream]
if not all_upstream_name:
return None
for name in all_upstream_name:
template["field"][0]["items"].append({
"title": name,
"value": name
})
return template
def to_sms_msg(self, push_data: dict, push_public_data: dict) -> Tuple[str, dict]:
return '', {}
def to_wx_account_msg(self, push_data: dict, push_public_data: dict) -> WxAccountMsg:
msg = WxAccountMsg.new_msg()
msg.thing_type = "负载均衡告警"
msg.msg = "负载均衡出现节点异常，请登录面板查看"
return msg
def task_config_create_hook(self, task: dict) -> None:
old_config_file = "/www/server/panel/class/push/push.json"
try:
old_config = json.loads(read_file(old_config_file))
except:
return
if "load_balance_push" not in old_config:
old_config["load_balance_push"] = {}
old_data = {
"push_count": task["number_rule"].get("day_num", 2),
"cycle": task["task_data"].get("cycle", "200|301|302|403|404"),
"interval": task["task_data"].get("interval", 600),
"title": task["title"],
"status": task['status'],
"module": ",".join(task["sender"])
}
for k, v in old_config["load_balance_push"].items():
if v["project"] == task["task_data"]["project"]:
v.update(old_data)
else:
old_data["project"] = task["task_data"]["project"]
old_config["load_balance_push"][int(time.time())] = old_data
write_file(old_config_file, json.dumps(old_config))
def task_config_update_hook(self, task: dict) -> None:
return self.task_config_create_hook(task)
def task_config_remove_hook(self, task: dict) -> None:
old_config_file = "/www/server/panel/class/push/push.json"
try:
old_config = json.loads(read_file(old_config_file))
except:
return
if "load_balance_push" not in old_config:
old_config["load_balance_push"] = {}
old_config["load_balance_push"] = {
k: v for k, v in old_config["load_balance_push"].items()
if v["project"] != task["task_data"]["project"]
}
write_file(old_config_file, json.dumps(old_config))
def load_load_template():
from .mods import load_task_template_by_config
load_task_template_by_config(
[{
"id": "50",
"ver": "1",
"used": True,
"source": "nginx_load_push",
"title": "负载均衡",
"load_cls": {
"load_type": "path",
"cls_path": "mod.base.push_mod.load_push",
"name": "NginxLoadTask"
},
"template": {
"field": [
{
"attr": "project",
"name": "负载名称",
"type": "select",
"default": "all",
"unit": "",
"suffix": (
"<i style='color: #999;font-style: initial;font-size: 12px;margin-right: 5px'>*</i>"
"<span style='color:#999'>选中的负载配置中，出现节点访问失败时，触发告警</span>"
),
"items": [
{
"title": "所有已配置的负载",
"value": "all"
}
]
},
{
"attr": "cycle",
"name": "成功的状态码",
"type": "textarea",
"unit": "",
"suffix": (
"<br><i style='color: #999;font-style: initial;font-size: 12px;margin-right: 5px'>*</i>"
"<span style='color:#999'>状态码以竖线分隔，如：200|301|302|403|404</span>"
),
"width": "400px",
"style": {
'height': '70px',
},
"default": "200|301|302|403|404"
}
],
"sorted": [
[
"project"
],
[
"cycle"
]
],
},
"default": {
"project": "all",
"cycle": "200|301|302|403|404"
},
"advanced_default": {
"number_rule": {
"day_num": 3
}
},
"send_type_list": [
"wx_account",
"dingding",
"feishu",
"mail",
"weixin",
"webhook"
],
"unique": False,
"tags": ["plugin"],
"description": "每隔一段时间检查负载均衡插件中，设置的节点是否可以正常访问，当访问异常时发送告警通知"
}]
)
class ViewMsgFormat(BaseTaskViewMsg):
def get_msg(self, task: dict) -> Optional[str]:
if task["template_id"] == "50":
return "<span>节点访问异常时，推送告警信息(每日推送{}次后不再推送)<span>".format(
task.get("number_rule", {}).get("day_num"))
return None
NginxLoadTask.VIEW_MSG = ViewMsgFormat |