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| 系统设计 |
| <!----></a></div><div class="nav-item"><a href="/zh/Download/" class="nav-link">下载</a></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">社区</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/zh/Community/About.html" class="nav-link">关于社区</a></li><li class="dropdown-item"><!----> <a href="https://cwiki.apache.org/confluence/display/iotdb" class="nav-link external"> |
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| 基金会 |
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| <!----></a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><a class="dropdown-title"><span class="title">语言</span> <span class="arrow right"></span></a> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/UserGuide/Master/Process-Data/Alerting.html" class="nav-link">English</a></li><li class="dropdown-item"><!----> <a href="/zh/UserGuide/Master/Process-Data/Alerting.html" aria-current="page" class="nav-link router-link-exact-active router-link-active">简体中文</a></li></ul></div></div> <a href="https://github.com/apache/iotdb.git" target="_blank" rel="noopener noreferrer" class="repo-link"> |
| GitHub |
| <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></nav> <ul class="sidebar-links"><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>IoTDB用户手册 (In progress)</span> <!----></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>IoTDB简介</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>快速上手</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>数据模式与概念</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>语法约定</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>应用编程接口</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>元数据操作</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>数据写入和删除</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>数据查询</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading open"><span>数据处理</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/zh/UserGuide/Master/Process-Data/UDF-User-Defined-Function.html" class="sidebar-link">用户定义函数(UDF)</a><ul class="sidebar-sub-headers"><li class="sidebar-sub-header"><a href="/zh/UserGuide/Master/Process-Data/UDF-User-Defined-Function.html#udf-类型" class="sidebar-link">UDF 类型</a></li><li class="sidebar-sub-header"><a href="/zh/UserGuide/Master/Process-Data/UDF-User-Defined-Function.html#udf-依赖" class="sidebar-link">UDF 依赖</a></li><li class="sidebar-sub-header"><a href="/zh/UserGuide/Master/Process-Data/UDF-User-Defined-Function.html#udtf-user-defined-timeseries-generating-function" class="sidebar-link">UDTF（User Defined Timeseries Generating Function）</a></li><li class="sidebar-sub-header"><a href="/zh/UserGuide/Master/Process-Data/UDF-User-Defined-Function.html#完整-maven-项目示例" class="sidebar-link">完整 Maven 项目示例</a></li><li class="sidebar-sub-header"><a href="/zh/UserGuide/Master/Process-Data/UDF-User-Defined-Function.html#udf-注册" class="sidebar-link">UDF 注册</a></li><li class="sidebar-sub-header"><a href="/zh/UserGuide/Master/Process-Data/UDF-User-Defined-Function.html#udf-卸载" class="sidebar-link">UDF 卸载</a></li><li class="sidebar-sub-header"><a href="/zh/UserGuide/Master/Process-Data/UDF-User-Defined-Function.html#udf-查询" class="sidebar-link">UDF 查询</a></li><li class="sidebar-sub-header"><a href="/zh/UserGuide/Master/Process-Data/UDF-User-Defined-Function.html#查看所有注册的-udf" class="sidebar-link">查看所有注册的 UDF</a></li><li class="sidebar-sub-header"><a href="/zh/UserGuide/Master/Process-Data/UDF-User-Defined-Function.html#用户权限管理" class="sidebar-link">用户权限管理</a></li><li class="sidebar-sub-header"><a href="/zh/UserGuide/Master/Process-Data/UDF-User-Defined-Function.html#配置项" class="sidebar-link">配置项</a></li><li class="sidebar-sub-header"><a href="/zh/UserGuide/Master/Process-Data/UDF-User-Defined-Function.html#贡献-udf" class="sidebar-link">贡献 UDF</a></li><li class="sidebar-sub-header"><a href="/zh/UserGuide/Master/Process-Data/UDF-User-Defined-Function.html#已知的-udf-库实现" class="sidebar-link">已知的 UDF 库实现</a></li><li class="sidebar-sub-header"><a href="/zh/UserGuide/Master/Process-Data/UDF-User-Defined-Function.html#q-a" class="sidebar-link">Q&A</a></li></ul></li><li><a href="/zh/UserGuide/Master/Process-Data/Select-Into.html" class="sidebar-link">查询写回(SELECT INTO)</a><ul class="sidebar-sub-headers"><li class="sidebar-sub-header"><a href="/zh/UserGuide/Master/Process-Data/Select-Into.html#sql" class="sidebar-link">SQL</a></li><li class="sidebar-sub-header"><a href="/zh/UserGuide/Master/Process-Data/Select-Into.html#权限" class="sidebar-link">权限</a></li><li class="sidebar-sub-header"><a href="/zh/UserGuide/Master/Process-Data/Select-Into.html#配置参数" class="sidebar-link">配置参数</a></li></ul></li><li><a href="/zh/UserGuide/Master/Process-Data/Continuous-Query.html" class="sidebar-link">连续查询(CQ)</a><ul class="sidebar-sub-headers"><li class="sidebar-sub-header"><a href="/zh/UserGuide/Master/Process-Data/Continuous-Query.html#sql-语句" class="sidebar-link">SQL 语句</a></li><li class="sidebar-sub-header"><a href="/zh/UserGuide/Master/Process-Data/Continuous-Query.html#系统参数配置" class="sidebar-link">系统参数配置</a></li></ul></li><li><a href="/zh/UserGuide/Master/Process-Data/Triggers.html" class="sidebar-link">触发器</a><ul class="sidebar-sub-headers"><li class="sidebar-sub-header"><a href="/zh/UserGuide/Master/Process-Data/Triggers.html#编写触发器" class="sidebar-link">编写触发器</a></li><li class="sidebar-sub-header"><a href="/zh/UserGuide/Master/Process-Data/Triggers.html#管理触发器" class="sidebar-link">管理触发器</a></li><li class="sidebar-sub-header"><a href="/zh/UserGuide/Master/Process-Data/Triggers.html#实用工具类" class="sidebar-link">实用工具类</a></li><li class="sidebar-sub-header"><a href="/zh/UserGuide/Master/Process-Data/Triggers.html#forwardtrigger" class="sidebar-link">ForwardTrigger</a></li><li class="sidebar-sub-header"><a href="/zh/UserGuide/Master/Process-Data/Triggers.html#完整的-maven-示例项目" class="sidebar-link">完整的 Maven 示例项目</a></li><li class="sidebar-sub-header"><a href="/zh/UserGuide/Master/Process-Data/Triggers.html#重要注意事项-2" class="sidebar-link">重要注意事项</a></li></ul></li><li><a href="/zh/UserGuide/Master/Process-Data/Alerting.html" aria-current="page" class="active sidebar-link">告警机制</a><ul class="sidebar-sub-headers"><li class="sidebar-sub-header"><a href="/zh/UserGuide/Master/Process-Data/Alerting.html#概览" class="sidebar-link">概览</a></li><li class="sidebar-sub-header"><a href="/zh/UserGuide/Master/Process-Data/Alerting.html#部署-alertmanager" class="sidebar-link">部署 AlertManager</a></li><li class="sidebar-sub-header"><a href="/zh/UserGuide/Master/Process-Data/Alerting.html#创建-trigger" class="sidebar-link">创建 trigger</a></li><li class="sidebar-sub-header"><a href="/zh/UserGuide/Master/Process-Data/Alerting.html#写入数据" class="sidebar-link">写入数据</a></li></ul></li></ul></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>权限管理</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>运维工具</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>系统集成</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>分布式</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>UDF 资料库</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>参考</span> <span class="arrow right"></span></p> <!----></section></li></ul> </aside> <main class="page"> <div class="content content__default"><h1 id="告警"><a href="#告警" class="header-anchor">#</a> 告警</h1> <h2 id="概览"><a href="#概览" class="header-anchor">#</a> 概览</h2> <p>IoTDB 告警功能预计支持两种模式：</p> <ul><li><p>写入触发：用户写入原始数据到原始时间序列，每插入一条数据都会触发 <code>trigger</code> 的判断逻辑， |
| 若满足告警要求则发送告警到下游数据接收器， |
| 数据接收器再转发告警到外部终端。这种模式：</p> <ul><li>适合需要即时监控每一条数据的场景。</li> <li>由于触发器中的运算会影响数据写入性能，适合对原始数据写入性能不敏感的场景。</li></ul></li> <li><p>持续查询：用户写入原始数据到原始时间序列， |
| <code>ContinousQuery</code> 定时查询原始时间序列，将查询结果写入新的时间序列， |
| 每一次写入触发 <code>trigger</code> 的判断逻辑， |
| 若满足告警要求则发送告警到下游数据接收器， |
| 数据接收器再转发告警到外部终端。这种模式：</p> <ul><li>适合需要定时查询数据在某一段时间内的情况的场景。</li> <li>适合需要将原始数据降采样并持久化的场景。</li> <li>由于定时查询几乎不影响原始时间序列的写入，适合对原始数据写入性能敏感的场景。</li></ul></li></ul> <p>随着 <code>trigger</code> 模块和 <code>sink</code> 模块的引入， |
| 目前用户使用这两个模块，配合 <code>AlertManager</code> 可以实现写入触发模式的告警。</p> <h2 id="部署-alertmanager"><a href="#部署-alertmanager" class="header-anchor">#</a> 部署 AlertManager</h2> <h3 id="安装与运行"><a href="#安装与运行" class="header-anchor">#</a> 安装与运行</h3> <h4 id="二进制文件"><a href="#二进制文件" class="header-anchor">#</a> 二进制文件</h4> <p>预编译好的二进制文件可在 <a href="https://prometheus.io/download/" target="_blank" rel="noopener noreferrer">这里<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a> 下载。</p> <p>运行方法：</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code>./alertmanager --config.file<span class="token operator">=</span><span class="token operator"><</span>your_file<span class="token operator">></span> |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h4 id="docker-镜像"><a href="#docker-镜像" class="header-anchor">#</a> Docker 镜像</h4> <p>可在 <a href="https://hub.docker.com/r/prom/alertmanager/" target="_blank" rel="noopener noreferrer">Quay.io<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a> |
| 或 <a href="https://quay.io/repository/prometheus/alertmanager" target="_blank" rel="noopener noreferrer">Docker Hub<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a> 获得。</p> <p>运行方法：</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code><span class="token function">docker</span> run --name alertmanager -d -p <span class="token number">127.0</span>.0.1:9093:9093 quay.io/prometheus/alertmanager |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h3 id="配置"><a href="#配置" class="header-anchor">#</a> 配置</h3> <p>如下是一个示例，可以覆盖到大部分配置规则，详细的配置规则参见 |
| <a href="https://prometheus.io/docs/alerting/latest/configuration/" target="_blank" rel="noopener noreferrer">这里<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a>。</p> <p>示例：</p> <div class="language-yaml line-numbers-mode"><pre class="language-yaml"><code><span class="token comment"># alertmanager.yml</span> |
| |
| <span class="token key atrule">global</span><span class="token punctuation">:</span> |
| <span class="token comment"># The smarthost and SMTP sender used for mail notifications.</span> |
| <span class="token key atrule">smtp_smarthost</span><span class="token punctuation">:</span> <span class="token string">'localhost:25'</span> |
| <span class="token key atrule">smtp_from</span><span class="token punctuation">:</span> <span class="token string">'alertmanager@example.org'</span> |
| |
| <span class="token comment"># The root route on which each incoming alert enters.</span> |
| <span class="token key atrule">route</span><span class="token punctuation">:</span> |
| <span class="token comment"># The root route must not have any matchers as it is the entry point for</span> |
| <span class="token comment"># all alerts. It needs to have a receiver configured so alerts that do not</span> |
| <span class="token comment"># match any of the sub-routes are sent to someone.</span> |
| <span class="token key atrule">receiver</span><span class="token punctuation">:</span> <span class="token string">'team-X-mails'</span> |
| |
| <span class="token comment"># The labels by which incoming alerts are grouped together. For example,</span> |
| <span class="token comment"># multiple alerts coming in for cluster=A and alertname=LatencyHigh would</span> |
| <span class="token comment"># be batched into a single group.</span> |
| <span class="token comment">#</span> |
| <span class="token comment"># To aggregate by all possible labels use '...' as the sole label name.</span> |
| <span class="token comment"># This effectively disables aggregation entirely, passing through all</span> |
| <span class="token comment"># alerts as-is. This is unlikely to be what you want, unless you have</span> |
| <span class="token comment"># a very low alert volume or your upstream notification system performs</span> |
| <span class="token comment"># its own grouping. Example: group_by: [...]</span> |
| <span class="token key atrule">group_by</span><span class="token punctuation">:</span> <span class="token punctuation">[</span><span class="token string">'alertname'</span><span class="token punctuation">,</span> <span class="token string">'cluster'</span><span class="token punctuation">]</span> |
| |
| <span class="token comment"># When a new group of alerts is created by an incoming alert, wait at</span> |
| <span class="token comment"># least 'group_wait' to send the initial notification.</span> |
| <span class="token comment"># This way ensures that you get multiple alerts for the same group that start</span> |
| <span class="token comment"># firing shortly after another are batched together on the first</span> |
| <span class="token comment"># notification.</span> |
| <span class="token key atrule">group_wait</span><span class="token punctuation">:</span> 30s |
| |
| <span class="token comment"># When the first notification was sent, wait 'group_interval' to send a batch</span> |
| <span class="token comment"># of new alerts that started firing for that group.</span> |
| <span class="token key atrule">group_interval</span><span class="token punctuation">:</span> 5m |
| |
| <span class="token comment"># If an alert has successfully been sent, wait 'repeat_interval' to</span> |
| <span class="token comment"># resend them.</span> |
| <span class="token key atrule">repeat_interval</span><span class="token punctuation">:</span> 3h |
| |
| <span class="token comment"># All the above attributes are inherited by all child routes and can</span> |
| <span class="token comment"># overwritten on each.</span> |
| |
| <span class="token comment"># The child route trees.</span> |
| <span class="token key atrule">routes</span><span class="token punctuation">:</span> |
| <span class="token comment"># This routes performs a regular expression match on alert labels to</span> |
| <span class="token comment"># catch alerts that are related to a list of services.</span> |
| <span class="token punctuation">-</span> <span class="token key atrule">match_re</span><span class="token punctuation">:</span> |
| <span class="token key atrule">service</span><span class="token punctuation">:</span> ^(foo1<span class="token punctuation">|</span>foo2<span class="token punctuation">|</span>baz)$ |
| <span class="token key atrule">receiver</span><span class="token punctuation">:</span> team<span class="token punctuation">-</span>X<span class="token punctuation">-</span>mails |
| |
| <span class="token comment"># The service has a sub-route for critical alerts, any alerts</span> |
| <span class="token comment"># that do not match, i.e. severity != critical, fall-back to the</span> |
| <span class="token comment"># parent node and are sent to 'team-X-mails'</span> |
| <span class="token key atrule">routes</span><span class="token punctuation">:</span> |
| <span class="token punctuation">-</span> <span class="token key atrule">match</span><span class="token punctuation">:</span> |
| <span class="token key atrule">severity</span><span class="token punctuation">:</span> critical |
| <span class="token key atrule">receiver</span><span class="token punctuation">:</span> team<span class="token punctuation">-</span>X<span class="token punctuation">-</span>pager |
| |
| <span class="token punctuation">-</span> <span class="token key atrule">match</span><span class="token punctuation">:</span> |
| <span class="token key atrule">service</span><span class="token punctuation">:</span> files |
| <span class="token key atrule">receiver</span><span class="token punctuation">:</span> team<span class="token punctuation">-</span>Y<span class="token punctuation">-</span>mails |
| |
| <span class="token key atrule">routes</span><span class="token punctuation">:</span> |
| <span class="token punctuation">-</span> <span class="token key atrule">match</span><span class="token punctuation">:</span> |
| <span class="token key atrule">severity</span><span class="token punctuation">:</span> critical |
| <span class="token key atrule">receiver</span><span class="token punctuation">:</span> team<span class="token punctuation">-</span>Y<span class="token punctuation">-</span>pager |
| |
| <span class="token comment"># This route handles all alerts coming from a database service. If there's</span> |
| <span class="token comment"># no team to handle it, it defaults to the DB team.</span> |
| <span class="token punctuation">-</span> <span class="token key atrule">match</span><span class="token punctuation">:</span> |
| <span class="token key atrule">service</span><span class="token punctuation">:</span> database |
| |
| <span class="token key atrule">receiver</span><span class="token punctuation">:</span> team<span class="token punctuation">-</span>DB<span class="token punctuation">-</span>pager |
| <span class="token comment"># Also group alerts by affected database.</span> |
| <span class="token key atrule">group_by</span><span class="token punctuation">:</span> <span class="token punctuation">[</span>alertname<span class="token punctuation">,</span> cluster<span class="token punctuation">,</span> database<span class="token punctuation">]</span> |
| |
| <span class="token key atrule">routes</span><span class="token punctuation">:</span> |
| <span class="token punctuation">-</span> <span class="token key atrule">match</span><span class="token punctuation">:</span> |
| <span class="token key atrule">owner</span><span class="token punctuation">:</span> team<span class="token punctuation">-</span>X |
| <span class="token key atrule">receiver</span><span class="token punctuation">:</span> team<span class="token punctuation">-</span>X<span class="token punctuation">-</span>pager |
| |
| <span class="token punctuation">-</span> <span class="token key atrule">match</span><span class="token punctuation">:</span> |
| <span class="token key atrule">owner</span><span class="token punctuation">:</span> team<span class="token punctuation">-</span>Y |
| <span class="token key atrule">receiver</span><span class="token punctuation">:</span> team<span class="token punctuation">-</span>Y<span class="token punctuation">-</span>pager |
| |
| <span class="token comment"># Inhibition rules allow to mute a set of alerts given that another alert is</span> |
| <span class="token comment"># firing.</span> |
| <span class="token comment"># We use this to mute any warning-level notifications if the same alert is</span> |
| <span class="token comment"># already critical.</span> |
| <span class="token key atrule">inhibit_rules</span><span class="token punctuation">:</span> |
| <span class="token punctuation">-</span> <span class="token key atrule">source_match</span><span class="token punctuation">:</span> |
| <span class="token key atrule">severity</span><span class="token punctuation">:</span> <span class="token string">'critical'</span> |
| <span class="token key atrule">target_match</span><span class="token punctuation">:</span> |
| <span class="token key atrule">severity</span><span class="token punctuation">:</span> <span class="token string">'warning'</span> |
| <span class="token comment"># Apply inhibition if the alertname is the same.</span> |
| <span class="token comment"># CAUTION: </span> |
| <span class="token comment"># If all label names listed in `equal` are missing </span> |
| <span class="token comment"># from both the source and target alerts,</span> |
| <span class="token comment"># the inhibition rule will apply!</span> |
| <span class="token key atrule">equal</span><span class="token punctuation">:</span> <span class="token punctuation">[</span><span class="token string">'alertname'</span><span class="token punctuation">]</span> |
| |
| <span class="token key atrule">receivers</span><span class="token punctuation">:</span> |
| <span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> <span class="token string">'team-X-mails'</span> |
| <span class="token key atrule">email_configs</span><span class="token punctuation">:</span> |
| <span class="token punctuation">-</span> <span class="token key atrule">to</span><span class="token punctuation">:</span> <span class="token string">'team-X+alerts@example.org, team-Y+alerts@example.org'</span> |
| |
| <span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> <span class="token string">'team-X-pager'</span> |
| <span class="token key atrule">email_configs</span><span class="token punctuation">:</span> |
| <span class="token punctuation">-</span> <span class="token key atrule">to</span><span class="token punctuation">:</span> <span class="token string">'team-X+alerts-critical@example.org'</span> |
| <span class="token key atrule">pagerduty_configs</span><span class="token punctuation">:</span> |
| <span class="token punctuation">-</span> <span class="token key atrule">routing_key</span><span class="token punctuation">:</span> <team<span class="token punctuation">-</span>X<span class="token punctuation">-</span>key<span class="token punctuation">></span> |
| |
| <span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> <span class="token string">'team-Y-mails'</span> |
| <span class="token key atrule">email_configs</span><span class="token punctuation">:</span> |
| <span class="token punctuation">-</span> <span class="token key atrule">to</span><span class="token punctuation">:</span> <span class="token string">'team-Y+alerts@example.org'</span> |
| |
| <span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> <span class="token string">'team-Y-pager'</span> |
| <span class="token key atrule">pagerduty_configs</span><span class="token punctuation">:</span> |
| <span class="token punctuation">-</span> <span class="token key atrule">routing_key</span><span class="token punctuation">:</span> <team<span class="token punctuation">-</span>Y<span class="token punctuation">-</span>key<span class="token punctuation">></span> |
| |
| <span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> <span class="token string">'team-DB-pager'</span> |
| <span class="token key atrule">pagerduty_configs</span><span class="token punctuation">:</span> |
| <span class="token punctuation">-</span> <span class="token key atrule">routing_key</span><span class="token punctuation">:</span> <team<span class="token punctuation">-</span>DB<span class="token punctuation">-</span>key<span class="token punctuation">></span> |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br><span class="line-number">21</span><br><span class="line-number">22</span><br><span class="line-number">23</span><br><span class="line-number">24</span><br><span class="line-number">25</span><br><span class="line-number">26</span><br><span class="line-number">27</span><br><span class="line-number">28</span><br><span class="line-number">29</span><br><span class="line-number">30</span><br><span class="line-number">31</span><br><span class="line-number">32</span><br><span class="line-number">33</span><br><span class="line-number">34</span><br><span class="line-number">35</span><br><span class="line-number">36</span><br><span class="line-number">37</span><br><span class="line-number">38</span><br><span class="line-number">39</span><br><span class="line-number">40</span><br><span class="line-number">41</span><br><span class="line-number">42</span><br><span class="line-number">43</span><br><span class="line-number">44</span><br><span class="line-number">45</span><br><span class="line-number">46</span><br><span class="line-number">47</span><br><span class="line-number">48</span><br><span class="line-number">49</span><br><span class="line-number">50</span><br><span class="line-number">51</span><br><span class="line-number">52</span><br><span class="line-number">53</span><br><span class="line-number">54</span><br><span class="line-number">55</span><br><span class="line-number">56</span><br><span class="line-number">57</span><br><span class="line-number">58</span><br><span class="line-number">59</span><br><span class="line-number">60</span><br><span class="line-number">61</span><br><span class="line-number">62</span><br><span class="line-number">63</span><br><span class="line-number">64</span><br><span class="line-number">65</span><br><span class="line-number">66</span><br><span class="line-number">67</span><br><span class="line-number">68</span><br><span class="line-number">69</span><br><span class="line-number">70</span><br><span class="line-number">71</span><br><span class="line-number">72</span><br><span class="line-number">73</span><br><span class="line-number">74</span><br><span class="line-number">75</span><br><span class="line-number">76</span><br><span class="line-number">77</span><br><span class="line-number">78</span><br><span class="line-number">79</span><br><span class="line-number">80</span><br><span class="line-number">81</span><br><span class="line-number">82</span><br><span class="line-number">83</span><br><span class="line-number">84</span><br><span class="line-number">85</span><br><span class="line-number">86</span><br><span class="line-number">87</span><br><span class="line-number">88</span><br><span class="line-number">89</span><br><span class="line-number">90</span><br><span class="line-number">91</span><br><span class="line-number">92</span><br><span class="line-number">93</span><br><span class="line-number">94</span><br><span class="line-number">95</span><br><span class="line-number">96</span><br><span class="line-number">97</span><br><span class="line-number">98</span><br><span class="line-number">99</span><br><span class="line-number">100</span><br><span class="line-number">101</span><br><span class="line-number">102</span><br><span class="line-number">103</span><br><span class="line-number">104</span><br><span class="line-number">105</span><br><span class="line-number">106</span><br><span class="line-number">107</span><br><span class="line-number">108</span><br><span class="line-number">109</span><br><span class="line-number">110</span><br><span class="line-number">111</span><br><span class="line-number">112</span><br><span class="line-number">113</span><br><span class="line-number">114</span><br><span class="line-number">115</span><br><span class="line-number">116</span><br><span class="line-number">117</span><br><span class="line-number">118</span><br><span class="line-number">119</span><br><span class="line-number">120</span><br><span class="line-number">121</span><br><span class="line-number">122</span><br><span class="line-number">123</span><br><span class="line-number">124</span><br></div></div><p>在后面的示例中，我们采用的配置如下：</p> <div class="language-yaml line-numbers-mode"><pre class="language-yaml"><code><span class="token comment"># alertmanager.yml</span> |
| |
| <span class="token key atrule">global</span><span class="token punctuation">:</span> |
| <span class="token key atrule">smtp_smarthost</span><span class="token punctuation">:</span> <span class="token string">''</span> |
| <span class="token key atrule">smtp_from</span><span class="token punctuation">:</span> <span class="token string">''</span> |
| <span class="token key atrule">smtp_auth_username</span><span class="token punctuation">:</span> <span class="token string">''</span> |
| <span class="token key atrule">smtp_auth_password</span><span class="token punctuation">:</span> <span class="token string">''</span> |
| <span class="token key atrule">smtp_require_tls</span><span class="token punctuation">:</span> <span class="token boolean important">false</span> |
| |
| <span class="token key atrule">route</span><span class="token punctuation">:</span> |
| <span class="token key atrule">group_by</span><span class="token punctuation">:</span> <span class="token punctuation">[</span><span class="token string">'alertname'</span><span class="token punctuation">]</span> |
| <span class="token key atrule">group_wait</span><span class="token punctuation">:</span> 1m |
| <span class="token key atrule">group_interval</span><span class="token punctuation">:</span> 10m |
| <span class="token key atrule">repeat_interval</span><span class="token punctuation">:</span> 10h |
| <span class="token key atrule">receiver</span><span class="token punctuation">:</span> <span class="token string">'email'</span> |
| |
| <span class="token key atrule">receivers</span><span class="token punctuation">:</span> |
| <span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> <span class="token string">'email'</span> |
| <span class="token key atrule">email_configs</span><span class="token punctuation">:</span> |
| <span class="token punctuation">-</span> <span class="token key atrule">to</span><span class="token punctuation">:</span> <span class="token string">''</span> |
| |
| <span class="token key atrule">inhibit_rules</span><span class="token punctuation">:</span> |
| <span class="token punctuation">-</span> <span class="token key atrule">source_match</span><span class="token punctuation">:</span> |
| <span class="token key atrule">severity</span><span class="token punctuation">:</span> <span class="token string">'critical'</span> |
| <span class="token key atrule">target_match</span><span class="token punctuation">:</span> |
| <span class="token key atrule">severity</span><span class="token punctuation">:</span> <span class="token string">'warning'</span> |
| <span class="token key atrule">equal</span><span class="token punctuation">:</span> <span class="token punctuation">[</span><span class="token string">'alertname'</span><span class="token punctuation">]</span> |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br><span class="line-number">21</span><br><span class="line-number">22</span><br><span class="line-number">23</span><br><span class="line-number">24</span><br><span class="line-number">25</span><br><span class="line-number">26</span><br><span class="line-number">27</span><br></div></div><h3 id="api"><a href="#api" class="header-anchor">#</a> API</h3> <p><code>AlertManager</code> API 分为 <code>v1</code> 和 <code>v2</code> 两个版本，当前 <code>AlertManager</code> API 版本为 <code>v2</code> |
| （配置参见 |
| <a href="https://github.com/prometheus/alertmanager/blob/master/api/v2/openapi.yaml" target="_blank" rel="noopener noreferrer">api/v2/openapi.yaml<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a>)。</p> <p>默认配置的前缀为 <code>/api/v1</code> 或 <code>/api/v2</code>， |
| 发送告警的 endpoint 为 <code>/api/v1/alerts</code> 或 <code>/api/v2/alerts</code>。 |
| 如果用户指定了 <code>--web.route-prefix</code>， |
| 例如 <code>--web.route-prefix=/alertmanager/</code>， |
| 那么前缀将会变为 <code>/alertmanager/api/v1</code> 或 <code>/alertmanager/api/v2</code>， |
| 发送告警的 endpoint 变为 <code>/alertmanager/api/v1/alerts</code> |
| 或 <code>/alertmanager/api/v2/alerts</code>。</p> <h2 id="创建-trigger"><a href="#创建-trigger" class="header-anchor">#</a> 创建 trigger</h2> <h3 id="编写-trigger-类"><a href="#编写-trigger-类" class="header-anchor">#</a> 编写 trigger 类</h3> <p>用户通过自行创建 Java 类、编写钩子中的逻辑来定义一个触发器。 |
| 具体配置流程以及 Sink 模块提供的 <code>AlertManagerSink</code> 相关工具类的使用方法参见 <a href="/zh/UserGuide/Master/Process-Data/Triggers.html">Triggers</a>。</p> <p>下面的示例创建了 <code>org.apache.iotdb.trigger.AlertingExample</code> 类， |
| 其 <code>alertManagerHandler</code> |
| 成员变量可发送告警至地址为 <code>http://127.0.0.1:9093/</code> 的 AlertManager 实例。</p> <p>当 <code>value > 100.0</code> 时，发送 <code>severity</code> 为 <code>critical</code> 的告警； |
| 当 <code>50.0 < value <= 100.0</code> 时，发送 <code>severity</code> 为 <code>warning</code> 的告警。</p> <div class="language-java line-numbers-mode"><pre class="language-java"><code><span class="token keyword">package</span> <span class="token namespace">org<span class="token punctuation">.</span>apache<span class="token punctuation">.</span>iotdb<span class="token punctuation">.</span>trigger</span><span class="token punctuation">;</span> |
| |
| <span class="token comment">/* |
| 此处省略包的引入 |
| */</span> |
| |
| <span class="token keyword">public</span> <span class="token keyword">class</span> <span class="token class-name">AlertingExample</span> <span class="token keyword">implements</span> <span class="token class-name">Trigger</span> <span class="token punctuation">{</span> |
| |
| <span class="token keyword">private</span> <span class="token keyword">final</span> <span class="token class-name">AlertManagerHandler</span> alertManagerHandler <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">AlertManagerHandler</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span> |
| |
| <span class="token keyword">private</span> <span class="token keyword">final</span> <span class="token class-name">AlertManagerConfiguration</span> alertManagerConfiguration <span class="token operator">=</span> |
| <span class="token keyword">new</span> <span class="token class-name">AlertManagerConfiguration</span><span class="token punctuation">(</span><span class="token string">"http://127.0.0.1:9093/api/v2/alerts"</span><span class="token punctuation">)</span><span class="token punctuation">;</span> |
| |
| <span class="token keyword">private</span> <span class="token class-name">String</span> alertname<span class="token punctuation">;</span> |
| |
| <span class="token keyword">private</span> <span class="token keyword">final</span> <span class="token class-name">HashMap</span><span class="token generics"><span class="token punctuation"><</span><span class="token class-name">String</span><span class="token punctuation">,</span> <span class="token class-name">String</span><span class="token punctuation">></span></span> labels <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">HashMap</span><span class="token generics"><span class="token punctuation"><</span><span class="token punctuation">></span></span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span> |
| |
| <span class="token keyword">private</span> <span class="token keyword">final</span> <span class="token class-name">HashMap</span><span class="token generics"><span class="token punctuation"><</span><span class="token class-name">String</span><span class="token punctuation">,</span> <span class="token class-name">String</span><span class="token punctuation">></span></span> annotations <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">HashMap</span><span class="token generics"><span class="token punctuation"><</span><span class="token punctuation">></span></span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span> |
| |
| <span class="token annotation punctuation">@Override</span> |
| <span class="token keyword">public</span> <span class="token keyword">void</span> <span class="token function">onCreate</span><span class="token punctuation">(</span><span class="token class-name">TriggerAttributes</span> attributes<span class="token punctuation">)</span> <span class="token keyword">throws</span> <span class="token class-name">Exception</span> <span class="token punctuation">{</span> |
| alertManagerHandler<span class="token punctuation">.</span><span class="token keyword">open</span><span class="token punctuation">(</span>alertManagerConfiguration<span class="token punctuation">)</span><span class="token punctuation">;</span> |
| |
| alertname <span class="token operator">=</span> <span class="token string">"alert_test"</span><span class="token punctuation">;</span> |
| |
| labels<span class="token punctuation">.</span><span class="token function">put</span><span class="token punctuation">(</span><span class="token string">"series"</span><span class="token punctuation">,</span> <span class="token string">"root.ln.wf01.wt01.temperature"</span><span class="token punctuation">)</span><span class="token punctuation">;</span> |
| labels<span class="token punctuation">.</span><span class="token function">put</span><span class="token punctuation">(</span><span class="token string">"value"</span><span class="token punctuation">,</span> <span class="token string">""</span><span class="token punctuation">)</span><span class="token punctuation">;</span> |
| labels<span class="token punctuation">.</span><span class="token function">put</span><span class="token punctuation">(</span><span class="token string">"severity"</span><span class="token punctuation">,</span> <span class="token string">""</span><span class="token punctuation">)</span><span class="token punctuation">;</span> |
| |
| annotations<span class="token punctuation">.</span><span class="token function">put</span><span class="token punctuation">(</span><span class="token string">"summary"</span><span class="token punctuation">,</span> <span class="token string">"high temperature"</span><span class="token punctuation">)</span><span class="token punctuation">;</span> |
| annotations<span class="token punctuation">.</span><span class="token function">put</span><span class="token punctuation">(</span><span class="token string">"description"</span><span class="token punctuation">,</span> <span class="token string">"{{.alertname}}: {{.series}} is {{.value}}"</span><span class="token punctuation">)</span><span class="token punctuation">;</span> |
| <span class="token punctuation">}</span> |
| |
| <span class="token annotation punctuation">@Override</span> |
| <span class="token keyword">public</span> <span class="token keyword">void</span> <span class="token function">onDrop</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token keyword">throws</span> <span class="token class-name">IOException</span> <span class="token punctuation">{</span> |
| alertManagerHandler<span class="token punctuation">.</span><span class="token function">close</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span> |
| <span class="token punctuation">}</span> |
| |
| <span class="token annotation punctuation">@Override</span> |
| <span class="token keyword">public</span> <span class="token keyword">void</span> <span class="token function">onStart</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span> |
| alertManagerHandler<span class="token punctuation">.</span><span class="token keyword">open</span><span class="token punctuation">(</span>alertManagerConfiguration<span class="token punctuation">)</span><span class="token punctuation">;</span> |
| <span class="token punctuation">}</span> |
| |
| <span class="token annotation punctuation">@Override</span> |
| <span class="token keyword">public</span> <span class="token keyword">void</span> <span class="token function">onStop</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token keyword">throws</span> <span class="token class-name">Exception</span> <span class="token punctuation">{</span> |
| alertManagerHandler<span class="token punctuation">.</span><span class="token function">close</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span> |
| <span class="token punctuation">}</span> |
| |
| <span class="token annotation punctuation">@Override</span> |
| <span class="token keyword">public</span> <span class="token class-name">Double</span> <span class="token function">fire</span><span class="token punctuation">(</span><span class="token keyword">long</span> timestamp<span class="token punctuation">,</span> <span class="token class-name">Double</span> value<span class="token punctuation">)</span> <span class="token keyword">throws</span> <span class="token class-name">Exception</span> <span class="token punctuation">{</span> |
| <span class="token keyword">if</span> <span class="token punctuation">(</span>value <span class="token operator">></span> <span class="token number">100.0</span><span class="token punctuation">)</span> <span class="token punctuation">{</span> |
| labels<span class="token punctuation">.</span><span class="token function">put</span><span class="token punctuation">(</span><span class="token string">"value"</span><span class="token punctuation">,</span> <span class="token class-name">String</span><span class="token punctuation">.</span><span class="token function">valueOf</span><span class="token punctuation">(</span>value<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> |
| labels<span class="token punctuation">.</span><span class="token function">put</span><span class="token punctuation">(</span><span class="token string">"severity"</span><span class="token punctuation">,</span> <span class="token string">"critical"</span><span class="token punctuation">)</span><span class="token punctuation">;</span> |
| <span class="token class-name">AlertManagerEvent</span> alertManagerEvent <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">AlertManagerEvent</span><span class="token punctuation">(</span>alertname<span class="token punctuation">,</span> labels<span class="token punctuation">,</span> annotations<span class="token punctuation">)</span><span class="token punctuation">;</span> |
| alertManagerHandler<span class="token punctuation">.</span><span class="token function">onEvent</span><span class="token punctuation">(</span>alertManagerEvent<span class="token punctuation">)</span><span class="token punctuation">;</span> |
| <span class="token punctuation">}</span> <span class="token keyword">else</span> <span class="token keyword">if</span> <span class="token punctuation">(</span>value <span class="token operator">></span> <span class="token number">50.0</span><span class="token punctuation">)</span> <span class="token punctuation">{</span> |
| labels<span class="token punctuation">.</span><span class="token function">put</span><span class="token punctuation">(</span><span class="token string">"value"</span><span class="token punctuation">,</span> <span class="token class-name">String</span><span class="token punctuation">.</span><span class="token function">valueOf</span><span class="token punctuation">(</span>value<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> |
| labels<span class="token punctuation">.</span><span class="token function">put</span><span class="token punctuation">(</span><span class="token string">"severity"</span><span class="token punctuation">,</span> <span class="token string">"warning"</span><span class="token punctuation">)</span><span class="token punctuation">;</span> |
| <span class="token class-name">AlertManagerEvent</span> alertManagerEvent <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">AlertManagerEvent</span><span class="token punctuation">(</span>alertname<span class="token punctuation">,</span> labels<span class="token punctuation">,</span> annotations<span class="token punctuation">)</span><span class="token punctuation">;</span> |
| alertManagerHandler<span class="token punctuation">.</span><span class="token function">onEvent</span><span class="token punctuation">(</span>alertManagerEvent<span class="token punctuation">)</span><span class="token punctuation">;</span> |
| <span class="token punctuation">}</span> |
| |
| <span class="token keyword">return</span> value<span class="token punctuation">;</span> |
| <span class="token punctuation">}</span> |
| |
| <span class="token annotation punctuation">@Override</span> |
| <span class="token keyword">public</span> <span class="token keyword">double</span><span class="token punctuation">[</span><span class="token punctuation">]</span> <span class="token function">fire</span><span class="token punctuation">(</span><span class="token keyword">long</span><span class="token punctuation">[</span><span class="token punctuation">]</span> timestamps<span class="token punctuation">,</span> <span class="token keyword">double</span><span class="token punctuation">[</span><span class="token punctuation">]</span> values<span class="token punctuation">)</span> <span class="token keyword">throws</span> <span class="token class-name">Exception</span> <span class="token punctuation">{</span> |
| <span class="token keyword">for</span> <span class="token punctuation">(</span><span class="token keyword">double</span> value <span class="token operator">:</span> values<span class="token punctuation">)</span> <span class="token punctuation">{</span> |
| <span class="token keyword">if</span> <span class="token punctuation">(</span>value <span class="token operator">></span> <span class="token number">100.0</span><span class="token punctuation">)</span> <span class="token punctuation">{</span> |
| labels<span class="token punctuation">.</span><span class="token function">put</span><span class="token punctuation">(</span><span class="token string">"value"</span><span class="token punctuation">,</span> <span class="token class-name">String</span><span class="token punctuation">.</span><span class="token function">valueOf</span><span class="token punctuation">(</span>value<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> |
| labels<span class="token punctuation">.</span><span class="token function">put</span><span class="token punctuation">(</span><span class="token string">"severity"</span><span class="token punctuation">,</span> <span class="token string">"critical"</span><span class="token punctuation">)</span><span class="token punctuation">;</span> |
| <span class="token class-name">AlertManagerEvent</span> alertManagerEvent <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">AlertManagerEvent</span><span class="token punctuation">(</span>alertname<span class="token punctuation">,</span> labels<span class="token punctuation">,</span> annotations<span class="token punctuation">)</span><span class="token punctuation">;</span> |
| alertManagerHandler<span class="token punctuation">.</span><span class="token function">onEvent</span><span class="token punctuation">(</span>alertManagerEvent<span class="token punctuation">)</span><span class="token punctuation">;</span> |
| <span class="token punctuation">}</span> <span class="token keyword">else</span> <span class="token keyword">if</span> <span class="token punctuation">(</span>value <span class="token operator">></span> <span class="token number">50.0</span><span class="token punctuation">)</span> <span class="token punctuation">{</span> |
| labels<span class="token punctuation">.</span><span class="token function">put</span><span class="token punctuation">(</span><span class="token string">"value"</span><span class="token punctuation">,</span> <span class="token class-name">String</span><span class="token punctuation">.</span><span class="token function">valueOf</span><span class="token punctuation">(</span>value<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span> |
| labels<span class="token punctuation">.</span><span class="token function">put</span><span class="token punctuation">(</span><span class="token string">"severity"</span><span class="token punctuation">,</span> <span class="token string">"warning"</span><span class="token punctuation">)</span><span class="token punctuation">;</span> |
| <span class="token class-name">AlertManagerEvent</span> alertManagerEvent <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">AlertManagerEvent</span><span class="token punctuation">(</span>alertname<span class="token punctuation">,</span> labels<span class="token punctuation">,</span> annotations<span class="token punctuation">)</span><span class="token punctuation">;</span> |
| alertManagerHandler<span class="token punctuation">.</span><span class="token function">onEvent</span><span class="token punctuation">(</span>alertManagerEvent<span class="token punctuation">)</span><span class="token punctuation">;</span> |
| <span class="token punctuation">}</span> |
| <span class="token punctuation">}</span> |
| <span class="token keyword">return</span> values<span class="token punctuation">;</span> |
| <span class="token punctuation">}</span> |
| <span class="token punctuation">}</span> |
| |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br><span class="line-number">21</span><br><span class="line-number">22</span><br><span class="line-number">23</span><br><span class="line-number">24</span><br><span class="line-number">25</span><br><span class="line-number">26</span><br><span class="line-number">27</span><br><span class="line-number">28</span><br><span class="line-number">29</span><br><span class="line-number">30</span><br><span class="line-number">31</span><br><span class="line-number">32</span><br><span class="line-number">33</span><br><span class="line-number">34</span><br><span class="line-number">35</span><br><span class="line-number">36</span><br><span class="line-number">37</span><br><span class="line-number">38</span><br><span class="line-number">39</span><br><span class="line-number">40</span><br><span class="line-number">41</span><br><span class="line-number">42</span><br><span class="line-number">43</span><br><span class="line-number">44</span><br><span class="line-number">45</span><br><span class="line-number">46</span><br><span class="line-number">47</span><br><span class="line-number">48</span><br><span class="line-number">49</span><br><span class="line-number">50</span><br><span class="line-number">51</span><br><span class="line-number">52</span><br><span class="line-number">53</span><br><span class="line-number">54</span><br><span class="line-number">55</span><br><span class="line-number">56</span><br><span class="line-number">57</span><br><span class="line-number">58</span><br><span class="line-number">59</span><br><span class="line-number">60</span><br><span class="line-number">61</span><br><span class="line-number">62</span><br><span class="line-number">63</span><br><span class="line-number">64</span><br><span class="line-number">65</span><br><span class="line-number">66</span><br><span class="line-number">67</span><br><span class="line-number">68</span><br><span class="line-number">69</span><br><span class="line-number">70</span><br><span class="line-number">71</span><br><span class="line-number">72</span><br><span class="line-number">73</span><br><span class="line-number">74</span><br><span class="line-number">75</span><br><span class="line-number">76</span><br><span class="line-number">77</span><br><span class="line-number">78</span><br><span class="line-number">79</span><br><span class="line-number">80</span><br><span class="line-number">81</span><br><span class="line-number">82</span><br><span class="line-number">83</span><br><span class="line-number">84</span><br></div></div><h3 id="创建-trigger-2"><a href="#创建-trigger-2" class="header-anchor">#</a> 创建 trigger</h3> <p>如下的 sql 语句在 <code>root.ln.wf01.wt01.temperature</code> |
| 时间序列上注册了名为 <code>root-ln-wf01-wt01-alert</code>、 |
| 运行逻辑由 <code>org.apache.iotdb.trigger.AlertingExample</code> |
| 类定义的触发器。</p> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code> <span class="token keyword">CREATE</span> <span class="token keyword">TRIGGER</span> <span class="token identifier"><span class="token punctuation">`</span>root-ln-wf01-wt01-alert<span class="token punctuation">`</span></span> |
| <span class="token keyword">AFTER</span> <span class="token keyword">INSERT</span> |
| <span class="token keyword">ON</span> root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf01<span class="token punctuation">.</span>wt01<span class="token punctuation">.</span>temperature |
| <span class="token keyword">AS</span> <span class="token string">"org.apache.iotdb.trigger.AlertingExample"</span> |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><h2 id="写入数据"><a href="#写入数据" class="header-anchor">#</a> 写入数据</h2> <p>当我们完成 AlertManager 的部署和启动、Trigger 的创建， |
| 可以通过向时间序列写入数据来测试告警功能。</p> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code><span class="token keyword">INSERT</span> <span class="token keyword">INTO</span> root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf01<span class="token punctuation">.</span>wt01<span class="token punctuation">(</span><span class="token keyword">timestamp</span><span class="token punctuation">,</span> temperature<span class="token punctuation">)</span> <span class="token keyword">VALUES</span> <span class="token punctuation">(</span><span class="token number">1</span><span class="token punctuation">,</span> <span class="token number">0</span><span class="token punctuation">)</span><span class="token punctuation">;</span> |
| <span class="token keyword">INSERT</span> <span class="token keyword">INTO</span> root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf01<span class="token punctuation">.</span>wt01<span class="token punctuation">(</span><span class="token keyword">timestamp</span><span class="token punctuation">,</span> temperature<span class="token punctuation">)</span> <span class="token keyword">VALUES</span> <span class="token punctuation">(</span><span class="token number">2</span><span class="token punctuation">,</span> <span class="token number">30</span><span class="token punctuation">)</span><span class="token punctuation">;</span> |
| <span class="token keyword">INSERT</span> <span class="token keyword">INTO</span> root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf01<span class="token punctuation">.</span>wt01<span class="token punctuation">(</span><span class="token keyword">timestamp</span><span class="token punctuation">,</span> temperature<span class="token punctuation">)</span> <span class="token keyword">VALUES</span> <span class="token punctuation">(</span><span class="token number">3</span><span class="token punctuation">,</span> <span class="token number">60</span><span class="token punctuation">)</span><span class="token punctuation">;</span> |
| <span class="token keyword">INSERT</span> <span class="token keyword">INTO</span> root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf01<span class="token punctuation">.</span>wt01<span class="token punctuation">(</span><span class="token keyword">timestamp</span><span class="token punctuation">,</span> temperature<span class="token punctuation">)</span> <span class="token keyword">VALUES</span> <span class="token punctuation">(</span><span class="token number">4</span><span class="token punctuation">,</span> <span class="token number">90</span><span class="token punctuation">)</span><span class="token punctuation">;</span> |
| <span class="token keyword">INSERT</span> <span class="token keyword">INTO</span> root<span class="token punctuation">.</span>ln<span class="token punctuation">.</span>wf01<span class="token punctuation">.</span>wt01<span class="token punctuation">(</span><span class="token keyword">timestamp</span><span class="token punctuation">,</span> temperature<span class="token punctuation">)</span> <span class="token keyword">VALUES</span> <span class="token punctuation">(</span><span class="token number">5</span><span class="token punctuation">,</span> <span class="token number">120</span><span class="token punctuation">)</span><span class="token punctuation">;</span> |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><p>执行完上述写入语句后，可以收到告警邮件。由于我们的 <code>AlertManager</code> 配置中设定 <code>severity</code> 为 <code>critical</code> 的告警 |
| 会抑制 <code>severity</code> 为 <code>warning</code> 的告警，我们收到的告警邮件中只包含写入 |
| <code>(5, 120)</code> 后触发的告警。</p> <img alt="alerting" src="https://user-images.githubusercontent.com/34649843/115957896-a9791080-a537-11eb-9962-541412bdcee6.png"></div> <div class="page-nav"><p class="inner"><span class="prev"> |
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