groups:
- name: consul_exporter 实例存活规则
rules:
- alert: consul_exporter 实例存活告警 # 告警规则的名称（alertname）
# 这里的job就是prometheus.yml里的job名称
expr: up{job="consul_exporter"} == 0
for: 15s
labels:
severity: Disaster
team: node
annotations:
summary: "consul_exporter 服务节点失联告警"
description: "consul_exporter 服务节点 {{ $labels.instance }} 断联已超过 30 秒！"
上面我们定义了一个名为“consul_exporter 实例存活告警”的报警规则，一条报警规则主要由以下几部分组成：
alert：告警规则的名称
expr：是用于进行报警规则 PromQL 查询语句
for：评估等待时间（Pending Duration），用于表示只有当触发条件持续一段时间后才发送告警，在等待期间新产生的告警状态为pending
labels：自定义标签，允许用户指定额外的标签列表，把它们附加在告警上
annotations：指定了另一组标签，它们不被当做告警实例的身份标识，它们经常用于存储一些额外的信息，用于报警信息的展示之类的
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta name="viewport" content="width=device-width" />
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>{{ template "__subject" . }}</title>
<style>
/* -------------------------------------
GLOBAL
A very basic CSS reset
------------------------------------- */
* {
margin: 0;
font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
box-sizing: border-box;
font-size: 14px;
}
img {
max-width: 100%;
}
body {
-webkit-font-smoothing: antialiased;
-webkit-text-size-adjust: none;
width: 100% !important;
height: 100%;
line-height: 1.6em;
/* 1.6em * 14px = 22.4px, use px to get airier line-height also in Thunderbird, and Yahoo!, Outlook.com, AOL webmail clients */
/*line-height: 22px;*/
}
/* Let's make sure all tables have defaults */
table td {
vertical-align: top;
}
/* -------------------------------------
BODY & CONTAINER
------------------------------------- */
body {
background-color: #f6f6f6;
}
.body-wrap {
background-color: #f6f6f6;
width: 100%;
}
.container {
display: block !important;
max-width: 600px !important;
margin: 0 auto !important;
/* makes it centered */
clear: both !important;
}
.content {
max-width: 600px;
margin: 0 auto;
display: block;
padding: 20px;
}
/* -------------------------------------
HEADER, FOOTER, MAIN
------------------------------------- */
.main {
background-color: #fff;
border: 1px solid #e9e9e9;
border-radius: 3px;
}
.content-wrap {
padding: 30px;
}
.content-block {
padding: 0 0 20px;
}
.header {
width: 100%;
margin-bottom: 20px;
}
.footer {
width: 100%;
clear: both;
color: #999;
padding: 20px;
}
.footer p, .footer a, .footer td {
color: #999;
font-size: 12px;
}
/* -------------------------------------
TYPOGRAPHY
------------------------------------- */
h1, h2, h3 {
font-family: "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif;
color: #000;
margin: 40px 0 0;
line-height: 1.2em;
font-weight: 400;
}
h1 {
font-size: 32px;
font-weight: 500;
/* 1.2em * 32px = 38.4px, use px to get airier line-height also in Thunderbird, and Yahoo!, Outlook.com, AOL webmail clients */
/*line-height: 38px;*/
}
h2 {
font-size: 24px;
/* 1.2em * 24px = 28.8px, use px to get airier line-height also in Thunderbird, and Yahoo!, Outlook.com, AOL webmail clients */
/*line-height: 29px;*/
}
h3 {
font-size: 18px;
/* 1.2em * 18px = 21.6px, use px to get airier line-height also in Thunderbird, and Yahoo!, Outlook.com, AOL webmail clients */
/*line-height: 22px;*/
}
h4 {
font-size: 14px;
font-weight: 600;
}
p, ul, ol {
margin-bottom: 10px;
font-weight: normal;
}
p li, ul li, ol li {
margin-left: 5px;
list-style-position: inside;
}
/* -------------------------------------
LINKS & BUTTONS
------------------------------------- */
a {
color: #348eda;
text-decoration: underline;
}
.btn-primary {
text-decoration: none;
color: #FFF;
background-color: #348eda;
border: solid #348eda;
border-width: 10px 20px;
line-height: 2em;
/* 2em * 14px = 28px, use px to get airier line-height also in Thunderbird, and Yahoo!, Outlook.com, AOL webmail clients */
/*line-height: 28px;*/
font-weight: bold;
text-align: center;
cursor: pointer;
display: inline-block;
border-radius: 5px;
text-transform: capitalize;
}
/* -------------------------------------
OTHER STYLES THAT MIGHT BE USEFUL
------------------------------------- */
.last {
margin-bottom: 0;
}
.first {
margin-top: 0;
}
.aligncenter {
text-align: center;
}
.alignright {
text-align: right;
}
.alignleft {
text-align: left;
}
.clear {
clear: both;
}
/* -------------------------------------
ALERTS
Change the class depending on warning email, good email or bad email
------------------------------------- */
.alert {
font-size: 16px;
color: #fff;
font-weight: 500;
padding: 20px;
text-align: center;
border-radius: 3px 3px 0 0;
}
.alert a {
color: #fff;
text-decoration: none;
font-weight: 500;
font-size: 16px;
}
.alert.alert-warning {
background-color: #E6522C;
}
.alert.alert-bad {
background-color: #D0021B;
}
.alert.alert-good {
background-color: #68B90F;
}
/* -------------------------------------
INVOICE
Styles for the billing table
------------------------------------- */
.invoice {
margin: 40px auto;
text-align: left;
width: 80%;
}
.invoice td {
padding: 5px 0;
}
.invoice .invoice-items {
width: 100%;
}
.invoice .invoice-items td {
border-top: #eee 1px solid;
}
.invoice .invoice-items .total td {
border-top: 2px solid #333;
border-bottom: 2px solid #333;
font-weight: 700;
}
/* -------------------------------------
RESPONSIVE AND MOBILE FRIENDLY STYLES
------------------------------------- */
@media only screen and (max-width: 640px) {
body {
padding: 0 !important;
}
h1, h2, h3, h4 {
font-weight: 800 !important;
margin: 20px 0 5px !important;
}
h1 {
font-size: 22px !important;
}
h2 {
font-size: 18px !important;
}
h3 {
font-size: 16px !important;
}
.container {
padding: 0 !important;
width: 100% !important;
}
.content {
padding: 0 !important;
}
.content-wrap {
padding: 10px !important;
}
.invoice {
width: 100% !important;
}
}
</style>
</head>
<body itemscope itemtype="http://schema.org/EmailMessage">
<table class="body-wrap">
<tr>
<td></td>
<td class="container" width="600">
<div class="content">
<table class="main" width="100%" cellpadding="0" cellspacing="0">
<tr>
{{ if gt (len .Alerts.Firing) 0 }}
<td class="alert alert-warning">
{{ else }}
<td class="alert alert-good">
{{ end }}
{{ .Alerts | len }} alert{{ if gt (len .Alerts) 1 }}s{{ end }} for {{ range .GroupLabels.SortedPairs }}
{{ .Name }}={{ .Value }}
{{ end }}
</td>
</tr>
<tr>
<td class="content-wrap">
<table width="100%" cellpadding="0" cellspacing="0">
<tr>
<td class="content-block">
<a href='{{ template "__alertmanagerURL" . }}' class="btn-primary">View in {{ template "__alertmanager" . }}</a>
</td>
</tr>
{{ if gt (len .Alerts.Firing) 0 }}
<tr>
<td class="content-block">
<strong>[{{ .Alerts.Firing | len }}] Firing</strong>
</td>
</tr>
{{ end }}
{{ range .Alerts.Firing }}
<tr>
<td class="content-block">
<strong>Labels</strong><br />
{{ range .Labels.SortedPairs }}{{ .Name }} = {{ .Value }}<br />{{ end }}
{{ if gt (len .Annotations) 0 }}<strong>Annotations</strong><br />{{ end }}
{{ range .Annotations.SortedPairs }}{{ .Name }} = {{ .Value }}<br />{{ end }}
<a href="{{ .GeneratorURL }}">Source</a><br />
</td>
</tr>
{{ end }}
{{ if gt (len .Alerts.Resolved) 0 }}
{{ if gt (len .Alerts.Firing) 0 }}
<tr>
<td class="content-block">
<br />
<hr />
<br />
</td>
</tr>
{{ end }}
<tr>
<td class="content-block">
<strong>[{{ .Alerts.Resolved | len }}] Resolved</strong>
</td>
</tr>
{{ end }}
{{ range .Alerts.Resolved }}
<tr>
<td class="content-block">
<strong>Labels</strong><br />
{{ range .Labels.SortedPairs }}{{ .Name }} = {{ .Value }}<br />{{ end }}
{{ if gt (len .Annotations) 0 }}<strong>Annotations</strong><br />{{ end }}
{{ range .Annotations.SortedPairs }}{{ .Name }} = {{ .Value }}<br />{{ end }}
<a href="{{ .GeneratorURL }}">Source</a><br />
</td>
</tr>
{{ end }}
</table>
</td>
</tr>
</table>
<div class="footer">
<table width="100%">
<tr>
<td class="aligncenter content-block"><a href='{{ .ExternalURL }}'>Sent by {{ template "__alertmanager" . }}</a></td>
</tr>
</table>
</div></div>
</td>
<td></td>
</tr>
</table>
</body>
</html>