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网站规划教学设计,网络营销怎么做,北京域名,全国十大跨境电商平台目录 promtool检查语法 部署Prometheus Server 检查语法是否规范 部署node-exporter 部署Consul 直接请求API进行服务注册 使用register命令注册服务（建议使用） 单个和多个注册，多个后面多加了s 在Prometheus上做consul的服务发现 部署…

目录

  promtool检查语法

部署Prometheus Server

 检查语法是否规范

部署node-exporter

部署Consul

直接请求API进行服务注册

使用register命令注册服务（建议使用） 单个和多个注册，多个后面多加了s

在Prometheus上做consul的服务发现

部署Consul Exporter

在Prometheus上做Consul Exporter的服务发现 因为Prometheus是对Consul做的服务发现所以

部署MySQL Exporter

在Prometheus上做Consul Exporter的服务发现

部署nginx Exporter

 在Prometheus上做Consul Exporter的服务发现

在Prometheus上做tomcat

tomcat允许远程登录

 tomcat下载及扩充支持相应的功能

 注册到consul上面去及Prometheus上做服务发现

署Blackbox Exporter 取决于黑盒监控

在Prometheus里面做黑河发现 

  1. Record Rule: 保存在配置文件中，由Prometheus Server周期去评估，结果会生成一个时序数据，回存至TSDB，并支持查询
  2.   Alert Rule: 布尔型告警表达式，保存在配置文件中，由Prometheus Server周期去评估，结果会生成一个时序数据，服务状态转换时，即会生成告警；
  • 布尔型告警表达式：监控指标的值或其他相关条件来判断系统是否处于异常状态，并触发相应的告警。

record 记录规则，

  • 当Prometheus里面用promQL写的规则执行文件，执行完成时，如果恰巧是grafana所需要的文件，就会直接在这里读取，而不是再从TSDB里面重新读取，从而省去大量IO

 查询持久化：
    把查询语句的执行结果长期保存； 

  记录规则：保存于配置文件，由Server自动在后台周期性执行； 
    evaluation_interval: 15s 

  promtool检查语法

 ./promtool check config prometheus.yml    #  promtool 可以用这命令检查语法

 /usr/local/consul services register server02.json   注册consul的发现表

/usr/local/consul services dederegister -id server02.json  注销consul的发现表

https://prometheus.io/download/  官网

部署Prometheus Server

下载程序包，以2.40.2版为例：

curl -LO https://github.com/prometheus/prometheus/releases/download/v2.40.2/prometheus-2.40.2.linux-amd64.tar.gz

展开程序包：

tar xf prometheus-2.40.2.linux-amd64.tar.gz -C /usr/local/
ln -sv /usr/local/prometheus-2.40.2.linux-amd64 /usr/local/prometheus

创建用户，并设定目录权限：

useradd -r prometheus
mkdir /usr/local/prometheus/data
chown -R prometheus.prometheus /usr/local/prometheus/data

创建Systemd Unitfile，保存于/usr/lib/systemd/system/prometheus.service文件中:

[Unit]
Description=Monitoring system and time series database
Documentation=https://prometheus.io/docs/introduction/overview/[Service]
Restart=always
User=prometheus
EnvironmentFile=-/etc/default/prometheus
ExecStart=/usr/local/prometheus/prometheus \--config.file=/usr/local/prometheus/prometheus.yml \--storage.tsdb.path=/usr/local/prometheus/data \--web.console.libraries=/usr/share/prometheus/console_libraries \--web.enable-lifecycle \$ARGS
ExecReload=/bin/kill -HUP $MAINPID
TimeoutStopSec=20s
SendSIGKILL=no
LimitNOFILE=8192[Install]
WantedBy=multi-user.target

如有必要，可创建环境配置文件/etc/default/prometheus，通过变量ARGS为prometheus指定启动参数

启动服务：

systemctl daemon-reload
systemctl start prometheus.service
systemctl enable prometheus.service

验证监听的端口，并测试访问其暴露的指标

ss -tnlp | grep '9090'
curl localhost:9090/metrics

修改配置后的重载命令：

curl -XPOST http://localhost:9090/-/reload

基于文件的服务发现

[root@rocky8 prometheus]#mkdir targets 
[root@rocky8 targets]#vim nodes-linux.yml    #以yml结尾就行，后续容易在Prometheus里面指定
- targets:     #可以名字- 10.0.0.18:9100     - 10.0.0.8:9100labels:   #标签。可以多个app: nede-exporter[root@rocky8 prometheus]#vim prometheus.yml- job_name: "node_exporter"metrics_path: '/metrics'  #默认定义的输出路径scheme: 'http'file_sd_configs:          #基于文件发现- files:- targets/nodes-*.yml   #可以通配符refresh_interval: 2m
curl -XPOST http://localhost:9090/-/reload   定义完成之后可以重启

 检查语法是否规范

[root@rocky8 prometheus]#./promtool check config ./prometheus.yml   可以检查语法是否规范

部署node-exporter

提示：每个主机节点上均应该部署node-exporter；

下载程序包，以1.4.0版本为例：

curl -LO https://github.com/prometheus/node_exporter/releases/download/v1.4.0/node_exporter-1.4.0.linux-amd64.tar.gz

展开程序包：

tar xf node_exporter-1.4.0.linux-amd64.tar.gz -C /usr/local/
ln -sv /usr/local/node_exporter-1.4.0.linux-amd64 /usr/local/node_exporter

创建用户，若prometheus用户已经存在，可略过该步骤：

useradd -r prometheus

创建Systemd Unitfile，保存于/usr/lib/systemd/system/node_exporter.service文件中:

[Unit]
Description=node_exporter
Documentation=https://prometheus.io/docs/introduction/overview/
After=network.target[Service]
Type=simple
User=prometheus
ExecStart=/usr/local/node_exporter/node_exporter \--collector.ntp \--collector.mountstats \--collector.systemd \--collector.ethtool \--collector.tcpstat
ExecReload=/bin/kill -HUP $MAINPID
TimeoutStopSec=20s
Restart=always[Install]
WantedBy=multi-user.target

启动服务：

systemctl daemon-reload
systemctl start node_exporter.service
systemctl enable node_exporter.service

验证监听的端口，并测试访问其暴露的指标

ss -tnlp | grep '9100'
curl localhost:9100/metrics

部署Consul

组件功能：用于为Prometheus提供基于Consul进行服务发现的测试环境。

部署

下载Consul，以1.14.1版本为例：

curl -LO https://releases.hashicorp.com/consul/1.14.1/consul_1.14.1_linux_amd64.zip

展开程序包：

mkdir -p /usr/local/consul/{data,config}  #给consul 保存配置文件和数据的目录
unzip consul_1.14.1_linux_amd64.zip -d /usr/local/consul

创建用户，若consul用户已经存在，可略过该步骤：

useradd -r consul
chown consul.consul /usr/local/consul/{data,config}

创建Systemd Unitfile，保存于/usr/lib/systemd/system/consul.service文件中:

[Unit]
Description="HashiCorp Consul - A service mesh solution"
Documentation=https://www.consul.io/
Requires=network-online.target
After=network-online.target[Service]
EnvironmentFile=-/etc/consul.d/consul.env
User=consul
Group=consul
ExecStart=/usr/local/consul/consul agent -dev -bootstrap \-config-dir /usr/local/consul/config \-data-dir /usr/local/consul/data \-ui \-log-level INFO \-bind 127.0.0.1 \-client 0.0.0.0
ExecReload=/bin/kill --signal HUP $MAINPID
KillMode=process
KillSignal=SIGTERM
Restart=on-failure
LimitNOFILE=65536[Install]
WantedBy=multi-user.target

启动服务：

systemctl daemon-reload
systemctl start consul.service
systemctl enable consul.service  #开机自动

直接请求API进行服务注册

列出已经注册的服务：

curl -XGET http://localhost:8500/v1/agent/services

获取某个特定服务的配置信息：

curl -XGET http://localhost:8500/v1/agent/service/<SERVICE_ID>

例如，下面定义了一个要注册的tomcat服务示例，它保存于tomcat.json文件中

{"id": "tomcat","name": "tomcat","address": "tomcat","port": 8080,"tags": ["tomcat"],"checks": [{"http": "http://tomcat:8080/metrics","interval": "5s"}]
}

我们可以使用类似如下命令完成服务注册。

curl -XPUT --data @tomcat.json http://localhost:8500/v1/agent/service/register

注销某个服务：

curl -XPUT http://localhost:8500/v1/agent/service/deregister/<SERVICE_ID>

使用register命令注册服务（建议使用） 单个和多个注册，多个后面多加了s

consul services register命令也可用于进行服务注册，只是其使用的配置格式与直接请求HTTP API有所不同。

-address=XXX 指明服务器地址，不指默认本地

-port=xx   指定服务的端口号

consul services register /path/to/pyload_file.json

注册单个服务时，使用service进行定义，注册多个服务时，使用services以列表格式进行定义。下面的示例定义了单个要注册的服务。

{"service": {"id": "tomcat","name": "tomcat","address": "tomcat","port": 8080,"tags": ["tomcat"],"checks": [{"http": "http://tomcat:8080/metrics","interval": "5s"}]}
}

下面的示例，以多个的服务的格式给出了定义。

{"services": [{"id": "tomcat","name": "tomcat","address": "tomcat","port": 8080,"tags": ["tomcat"],"checks": [{"http": "http://tomcat:8080/metrics","interval": "5s"}]}]
}

注销服务，也可以使用consul services deregister命令进行。

 consul services deregister -id <SERVICE_ID>

在Prometheus上做consul的服务发现

在consul上可以正常查到相关节点后，在Prometheus.yml上增加相关配置

  - job_name: "node_exporter"consul_sd_configs:- server: '10.0.0.8:8500'tags:- "node_exporter"     #只有consul里带有该标签的服务才会被 Prometheus 发现和监控refresh_interval: 1m[root@rocky8 prometheus]#curl -XPOST localhost:9090/-/reload  #重启

部署Consul Exporter

提示：仅需要为每个Consul实例部署consul-exporter，它负责将Consul的状态信息转为Prometheus兼容的指标格式并予以暴露。

下载程序包，以0.8.0版本为例：

curl -LO https://github.com/prometheus/consul_exporter/releases/download/v0.8.0/consul_exporter-0.8.0.linux-amd64.tar.gz

展开程序包：

tar xf consul_exporter-0.8.0.linux-amd64.tar.gz -C /usr/local/
ln -sv /usr/local/consul_exporter-0.8.0.linux-amd64 /usr/local/consul_exporter

创建用户，若consul用户已经存在，可略过该步骤：

useradd -r consul

创建Systemd Unitfile，保存于/usr/lib/systemd/system/consul_exporter.service文件中:

[Unit]
Description=consul_exporter
Documentation=https://prometheus.io/docs/introduction/overview/
After=network.target[Service]
Type=simple
User=consul
EnvironmentFile=-/etc/default/consul_exporter
# 具体使用时，若consul_exporter与consul server不在同一主机时，consul server要指向实际的地址；
ExecStart=/usr/local/consul_exporter/consul_exporter \--consul.server="http://localhost:8500" \--web.listen-address=":9107" \--web.telemetry-path="/metrics" \--log.level=info \$ARGS
ExecReload=/bin/kill -HUP $MAINPID
TimeoutStopSec=20s
Restart=always[Install]
WantedBy=multi-user.target

启动服务：

systemctl daemon-reload
systemctl start consul_exporter.service
systemctl enable consul_exporter.service

在Prometheus上做Consul Exporter的服务发现 因为Prometheus是对Consul做的服务发现所以

Consul Exporter用于监控Consul万一consul崩了呢

[root@rocky8 services]#cat consul-exporter.json 
{"id": "consul_exporter","name": "consul_exporter.magedu.com","address": "prometheus.magedu.com","port": 9107,"tags": ["consul_exporter"],"checks": [{"http":"http://prometheus.magedu.com：9107/metrics","interval": "5s"}]
}[root@rocky8 prometheus]#vim prometheus.yml- job_name: "consul_exporter"consul_sd_configs:- server: '10.0.0.8'tags:- "consul_exporter"refresh_interval: 1m

 加入服务注册

curl -XPUT --data @consul-exporter.json http://localhost:8500/v1/agent/service/registercurl -XGET http://localhost:8500/v1/agent/services   查看

部署MySQL Exporter

提示：仅需要为每个MySQL Server实例部署mysql-exporter，它负责将MySQL Server的状态信息转为Prometheus兼容的指标格式并予以暴露。

下载程序包，以0.14.0版本为例：

curl -LO https://github.com/prometheus/mysqld_exporter/releases/download/v0.14.0/mysqld_exporter-0.14.0.linux-amd64.tar.gz

展开程序包：

tar xf mysqld_exporter-0.14.0.linux-amd64.tar.gz -C /usr/local/
ln -sv /usr/local/mysqld_exporter-0.14.0.linux-amd64 /usr/local/mysqld_exporter

创建用户，或mysql用户已经存在，可略过该步骤：

useradd -r mysql

创建Systemd Unitfile，保存于/usr/lib/systemd/system/mysqld_exporter.service文件中:

[Unit]
Description=consul_exporter
Documentation=https://prometheus.io/docs/introduction/overview/
After=network.target[Service]
Type=simple
User=mysql
EnvironmentFile=-/etc/default/mysqld_exporter
# 具体使用时，若mysql_exporter与mysql server不在同一主机时，mysql server要指向实际的地址；
# mysql_exporter连接mysql server使用的用户名和密码均为exporter，该用户要获得正确的授权；
Environment='DATA_SOURCE_NAME=exporter:exporter@(localhost:3306)'
ExecStart=/usr/local/mysqld_exporter/mysqld_exporter \--web.listen-address=":9104" \--web.telemetry-path="/metrics" \--collect.info_schema.innodb_tablespaces \--collect.info_schema.innodb_metrics \--collect.global_status \--collect.global_variables \--collect.slave_status \--collect.engine_innodb_status \$ARGS
ExecReload=/bin/kill -HUP $MAINPID
TimeoutStopSec=20s
Restart=always[Install]
WantedBy=multi-user.target

在mysqld server上添加用户，并授权其能够加载mysql的信息并转换为指标输出。需要注意的是用户账号授权时使用的主机范围。

mysql> CREATE USER 'exporter'@'localhost' IDENTIFIED BY 'exporter';
mysql> GRANT PROCESS, REPLICATION CLIENT ON *.* TO 'exporter'@'localhost';
mysql> GRANT SELECT ON performance_schema.* TO 'exporter'@'localhost';
mysql> FLUSH PRIVILEGES;

启动服务：

systemctl daemon-reload
systemctl start mysqld_exporter.service
systemctl enable mysqld_exporter.service

在Prometheus上做Consul Exporter的服务发现

[root@rocky8 services]#cat mysqld_exporter.json 
{"id": "mysqld_exporter","name": "mysqld_exporter.magedu.com","address": "prometheus.magedu.com","port": 9107,"tags": ["mysqld_exporter"],"checks": [{"http":"http://prometheus.magedu.com/metrics","interval": "5s"}]
}[root@rocky8 prometheus]#vim prometheus.yml- job_name: "mysqld_exporter"consul_sd_configs:- server: "10.0.0.8"tags:- "mysqld_exporter"refresh_interval: 1m

 加入服务注册

curl -XPUT --data @mysqld_exporter.json http://localhost:8500/v1/agent/service/registercurl -XGET http://localhost:8500/v1/agent/services   查看

部署nginx Exporter

基于镜像


version: '3.6'networks:monitoring:driver: bridgeipam:config:- subnet: 172.31.107.0/24services:nginx:image: nginx:1.22.1volumes:   - ./nginx/stub_status-server.conf:/etc/nginx/conf.d/stub_status-server.conf:ro   #定义·文件夹networks:- monitoringexpose:- 8080- 80ports:- 80:80nginx-exporter:image: nginx/nginx-prometheus-exporter:0.11command:- '-nginx.scrape-uri=http://nginx:8080/stub_status'networks:- monitoringports:- '9113:9113'depends_on:- nginx
~              
[root@rocky8 nginx-and-exporter]#ls
docker-compose.yml  nginx
[root@rocky8 nginx-and-exporter]#vim docker-compose.yml 
[root@rocky8 nginx-and-exporter]#tree nginx/
nginx/
└── stub_status-server.conf0 directories, 1 file[root@rocky8 nginx-and-exporter]#cat nginx/stub_status-server.conf 
server {listen 8080;server_name localhost;
文件·location /stub_status {stub_status;access_log off;#allow 172.31.0.0/16;#deny all;}
}

启动

[root@rocky8 nginx-and-exporter]#docker-compose up

/usr/local/lib/python3.6/site-packages/paramiko/transport.py:32: CryptographyDeprecationWarning: Python 3.6 is no longer supported by the Python core 

 在Prometheus上做Consul Exporter的服务发现

[root@rocky8 services]#/usr/local/consul/consul services register nginx-exporter.json  

curl -XGET http://localhost:8500/v1/agent/services   查看

[root@rocky8 services]#cat nginx-exporter.json 
{"service":{"id": "nginx_exporter","name": "nginx_exporter.magedu.com","address": "server02.magedu.com","port": 9113,"tags": ["nginx_exporter"],"checks": [{"http": "http://server02.magedu.com:9113/metrics","interval": "5s"}]}
}[root@rocky8 services]#cat prometheus.yml- job_name: "nginx_exporter"consul_sd_configs:- server: "10.0.0.8:8500"tags:- "nginx_exporter"refresh_interval: 1m

 [root@rocky8 prometheus]#curl -XPOST localhost:9090/-/reload  刷新在Prometheus上面查看

在Prometheus上做tomcat

[root@rocky8 tomcat-and-metrics]#ls
docker-compose.yml  tomcat
[root@rocky8 tomcat-and-metrics]#cat docker-compose.yml    #安装
version: '3.6'volumes:tomcat_webapps: {}networks:monitoring:driver: bridgeipam:config:- subnet: 172.31.130.0/24services:tomcat:#image: tomcat:jdk11build:context: tomcatdockerfile: Dockerfile hostname: tomcat.magedu.comexpose:- 8080ports:- 8080:8080volumes:- tomcat_webapps:/usr/local/tomcat/webapps- ./tomcat/tomcat-users.xml:/usr/local/tomcat/conf/tomcat-users.xmlnetworks:- monitoringenvironment:TZ: Asia/Shanghai
[root@rocky8 tomcat-and-metrics]#cd tomcat/[root@rocky8 tomcat]#ls
context.xml  Dockerfile  sources.list  tomcat-users.xml[root@rocky8 tomcat]#cat tomcat-users.xml     #tomcat账户配置
<?xml version="1.0" encoding="UTF-8"?>
<!--Licensed to the Apache Software Foundation (ASF) under one or morecontributor license agreements.  See the NOTICE file distributed withthis work for additional information regarding copyright ownership.The ASF licenses this file to You under the Apache License, Version 2.0(the "License"); you may not use this file except in compliance withthe License.  You may obtain a copy of the License athttp://www.apache.org/licenses/LICENSE-2.0Unless required by applicable law or agreed to in writing, softwaredistributed under the License is distributed on an "AS IS" BASIS,WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.See the License for the specific language governing permissions andlimitations under the License.
-->
<tomcat-users xmlns="http://tomcat.apache.org/xml"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://tomcat.apache.org/xml tomcat-users.xsd"version="1.0">
<!--By default, no user is included in the "manager-gui" role requiredto operate the "/manager/html" web application.  If you wish to use this app,you must define such a user - the username and password are arbitrary.Built-in Tomcat manager roles:- manager-gui    - allows access to the HTML GUI and the status pages- manager-script - allows access to the HTTP API and the status pages- manager-jmx    - allows access to the JMX proxy and the status pages- manager-status - allows access to the status pages onlyThe users below are wrapped in a comment and are therefore ignored. If youwish to configure one or more of these users for use with the manager webapplication, do not forget to remove the <!.. ..> that surrounds them. Youwill also need to set the passwords to something appropriate.
-->
<!--<user username="admin" password="<must-be-changed>" roles="manager-gui"/><user username="robot" password="<must-be-changed>" roles="manager-script"/>
-->
<!--The sample user and role entries below are intended for use with theexamples web application. They are wrapped in a comment and thus are ignoredwhen reading this file. If you wish to configure these users for use with theexamples web application, do not forget to remove the <!.. ..> that surroundsthem. You will also need to set the passwords to something appropriate.
-->
<!--<role rolename="tomcat"/><role rolename="role1"/><user username="tomcat" password="<must-be-changed>" roles="tomcat"/><user username="both" password="<must-be-changed>" roles="tomcat,role1"/><user username="role1" password="<must-be-changed>" roles="role1"/>
--><role rolename="manager-gui"/><role rolename="manager-script"/><user username="tomcat" password="magedu.com" roles="manager-gui,manager-script"/>
</tomcat-users>

tomcat允许远程登录

[root@rocky8 tomcat]#cat context.xml   允许远程登录
<?xml version="1.0" encoding="UTF-8"?>
<!--Licensed to the Apache Software Foundation (ASF) under one or morecontributor license agreements.  See the NOTICE file distributed withthis work for additional information regarding copyright ownership.The ASF licenses this file to You under the Apache License, Version 2.0(the "License"); you may not use this file except in compliance withthe License.  You may obtain a copy of the License athttp://www.apache.org/licenses/LICENSE-2.0Unless required by applicable law or agreed to in writing, softwaredistributed under the License is distributed on an "AS IS" BASIS,WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.See the License for the specific language governing permissions andlimitations under the License.
-->
<Context antiResourceLocking="false" privileged="true" ><CookieProcessor className="org.apache.tomcat.util.http.Rfc6265CookieProcessor"sameSiteCookies="strict" />
<!--<Valve className="org.apache.catalina.valves.RemoteAddrValve"allow="127\.\d+\.\d+\.\d+|::1|0:0:0:0:0:0:0:1" />
--><Manager sessionAttributeValueClassNameFilter="java\.lang\.(?:Boolean|Integer|Long|Number|String)|org\.apache\.catalina\.filters\.CsrfPreventionFilter\$LruCache(?:\$1)?|java\.util\.(?:Linked)?HashMap"/>
</Context>

 tomcat的镜像仓库地址

[root@rocky8 tomcat]#cat sources.list 
deb https://repo.huaweicloud.com/debian/ bullseye main non-free contrib
deb-src https://repo.huaweicloud.com/debian/ bullseye main non-free contrib
deb https://repo.huaweicloud.com/debian-security/ bullseye-security main
deb-src https://repo.huaweicloud.com/debian-security/ bullseye-security main
deb https://repo.huaweicloud.com/debian/ bullseye-updates main non-free contrib
deb-src https://repo.huaweicloud.com/debian/ bullseye-updates main non-free contrib
deb https://repo.huaweicloud.com/debian/ bullseye-backports main non-free contrib
deb-src https://repo.huaweicloud.com/debian/ bullseye-backports main non-free contrib

 tomcat下载及扩充支持相应的功能

[root@rocky8 tomcat]#cat Dockerfile 
FROM tomcat:9.0-jdk17-openjdk-slimADD ./sources.list /etc/apt/sources.listENV TOMCAT_SIMPLECLIENT_VERSION=0.12.0
ENV TOMCAT_EXPORTER_VERSION=0.0.15RUN apt-get update && apt-get install -y curl && \curl -v --fail --location https://search.maven.org/remotecontent?filepath=io/prometheus/simpleclient/${TOMCAT_SIMPLECLIENT_VERSION}/simpleclient-${TOMCAT_SIMPLECLIENT_VERSION}.jar --output /usr/local/tomcat/lib/simpleclient-${TOMCAT_SIMPLECLIENT_VERSION}.jar && \curl -v --fail --location https://search.maven.org/remotecontent?filepath=io/prometheus/simpleclient_common/${TOMCAT_SIMPLECLIENT_VERSION}/simpleclient_common-${TOMCAT_SIMPLECLIENT_VERSION}.jar --output /usr/local/tomcat/lib/simpleclient_common-${TOMCAT_SIMPLECLIENT_VERSION}.jar && \curl -v --fail --location https://search.maven.org/remotecontent?filepath=io/prometheus/simpleclient_hotspot/${TOMCAT_SIMPLECLIENT_VERSION}/simpleclient_hotspot-${TOMCAT_SIMPLECLIENT_VERSION}.jar --output /usr/local/tomcat/lib/simpleclient_hotspot-${TOMCAT_SIMPLECLIENT_VERSION}.jar && \curl -v --fail --location https://search.maven.org/remotecontent?filepath=io/prometheus/simpleclient_servlet/${TOMCAT_SIMPLECLIENT_VERSION}/simpleclient_servlet-${TOMCAT_SIMPLECLIENT_VERSION}.jar --output /usr/local/tomcat/lib/simpleclient_servlet-${TOMCAT_SIMPLECLIENT_VERSION}.jar && \curl -v --fail --location https://search.maven.org/remotecontent?filepath=io/prometheus/simpleclient_servlet_common/${TOMCAT_SIMPLECLIENT_VERSION}/simpleclient_servlet_common-${TOMCAT_SIMPLECLIENT_VERSION}.jar --output /usr/local/tomcat/lib/simpleclient_servlet_common-${TOMCAT_SIMPLECLIENT_VERSION}.jar && \curl -v --fail --location https://search.maven.org/remotecontent?filepath=nl/nlighten/tomcat_exporter_client/${TOMCAT_EXPORTER_VERSION}/tomcat_exporter_client-${TOMCAT_EXPORTER_VERSION}.jar --output /usr/local/tomcat/lib/tomcat_exporter_client-${TOMCAT_EXPORTER_VERSION}.jar && \curl -v --fail --location https://search.maven.org/remotecontent?filepath=nl/nlighten/tomcat_exporter_servlet/${TOMCAT_EXPORTER_VERSION}/tomcat_exporter_servlet-${TOMCAT_EXPORTER_VERSION}.war --output /usr/local/tomcat/webapps/metrics.warRUN mv /usr/local/tomcat/webapps.dist/* /usr/local/tomcat/webapps/
ADD ./context.xml /usr/local/tomcat/webapps/manager/META-INF/context.xml

 注册到consul上面去及Prometheus上做服务发现

[root@rocky8 services]#/usr/local/consul/consul services register tomcat.json 
Node name "rocky8.wang.org" will not be discoverable via DNS due to invalid characters. Valid characters include all alpha-numerics and dashes.
Registered service: tomcat.magedu.com[root@rocky8 services]#cat tomcat.json 
{"service":{"id": "tomcat","name": "tomcat.magedu.com","address": "server02.magedu.com","port": 8080,"tags": ["tomcat"],"checks": [{"http": "http://server02.magedu.com:8080/metrics","interval": "5s"}]}
}[root@rocky8 prometheus]#cat prometheus.yml- job_name: "tomcat"consul_sd_configs:- server: "10.0.0.8:8500"tags:- "tomcat"refresh_interval: 1m[root@rocky8 prometheus]#curl -XPOST localhost:9090/-/reload   重新加载

署Blackbox Exporter 取决于黑盒监控

提示：仅需要部署的Blackbox Exporter实例数据，取决于黑盒监控的任务量及节点的可用资源。

[root@rocky8 blackbox-exporter]#cat configs/blackbox.yml 
modules:# https://github.com/prometheus/blackbox_exporter/blob/master/example.ymlhttp_2xx:prober: httptimeout: 5shttp:valid_http_versions: - "HTTP/1.1"- "HTTP/2"valid_status_codes: []  # Defaults to 2xxenable_http2: falsemethod: GETno_follow_redirects: false# fail_if_ssl为true时，表示如果站点启用了SSL则探针失败，反之成功; # fail_if_not_ssl刚好相反;fail_if_ssl: falsefail_if_not_ssl: false#  fail_if_body_matches_regexp, fail_if_body_not_matches_regexp, fail_if_header_matches, fail_if_header_not_matches#  可以定义一组正则表达式，用于验证HTTP返回内容是否符合或者不符合正则表达式的内容fail_if_body_matches_regexp:- "Could not connect to database"tls_config:insecure_skip_verify: falsepreferred_ip_protocol: "ip4" # defaults to "ip6"http_with_proxy:prober: httphttp:proxy_url: "http://127.0.0.1:3128"skip_resolve_phase_with_proxy: truehttp_post_2xx:prober: httptimeout: 5shttp:method: POSTheaders:Content-Type: application/jsonbody: '{}'http_basic_auth_example:prober: httptimeout: 5shttp:method: POSTheaders:Host: "login.example.com"basic_auth:username: "username"password: "mysecret"http_custom_ca_example:prober: httphttp:method: GETtls_config:ca_file: "/certs/my_cert.crt"http_gzip:prober: httphttp:method: GETcompression: gziphttp_gzip_with_accept_encoding:prober: httphttp:method: GETcompression: gzipheaders:Accept-Encoding: gziptls_connect:prober: tcptimeout: 5stcp:tls: truedns_udp_example:prober: dnstimeout: 5sdns:query_name: "www.prometheus.io"query_type: "A"valid_rcodes:- NOERRORvalidate_answer_rrs:fail_if_matches_regexp:- ".*127.0.0.1"fail_if_all_match_regexp:- ".*127.0.0.1"fail_if_not_matches_regexp:- "www.magedu.com.\t300\tIN\tA\t127.0.0.1"fail_if_none_matches_regexp:- "127.0.0.1"validate_authority_rrs:fail_if_matches_regexp:- ".*127.0.0.1"validate_additional_rrs:fail_if_matches_regexp:- ".*127.0.0.1"
[root@rocky8 blackbox-exporter]#ls
configs  docker-compose.yml
[root@rocky8 blackbox-exporter]#cat docker-compose.yml 
version: '3.6'networks:monitoring:driver: bridgeipam:config:- subnet: 172.31.136.0/24services:blackbox_exporter:image: prom/blackbox-exporter:v0.24.0volumes:- ./configs/:/etc/blackboxexporter/command:- '--config.file=/etc/blackboxexporter/blackbox.yml'networks:- monitoringports:- 9115:9115

在Prometheus里面做黑河发现 

[root@rocky8 prometheus]#cat prometheus.yml# Blackbox Exporter- job_name: 'blackbox'metrics_path: /probeparams:module: [http_2xx]  # Look for a HTTP 200 response.static_configs:- targets:- www.magedu.com- www.google.comrelabel_configs:- source_labels: [__address__]target_label: __param_target- source_labels: [__param_target]target_label: instance- target_label: __address__replacement: "10.0.0.18:9115"  # Blackbox exporter.- target_label: regionreplacement: "remote"[root@rocky8 prometheus]#curl -XPOST localhost:9090/-/reload  #加载

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