1.安装Docker
sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-'EOF'
{"registry-mirrors":["https://hub-mirror.c.163.com"]
}
EOFexport DOWNLOAD_URL="https://hub-mirror.163.com/docker-ce"curl -fsSL https://get.docker.com/ |sh检查docker版本查看是否安装成功
docker -v安装Docker-compose
sudo curl -L "https://github.com/docker/compose/releases/download/1.29.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose检查版本
docker-compose -v
2.安装prometheus
通过克隆gitee的代码来进行安装Prometheus
因为docker-compose安装Prometheus需要进行大量的配置,这里推荐直接从gitee上克隆已经配置好的docker-compose文件
mkdir /datacd /datagit clone https://gitee.com/linge365/docker-prometheus.gitcd docker-prometheus当然以上这一步需要安装git,也可以直接访问https://gitee.com/linge365/docker-prometheus.git 下载对应的压缩包,解压后移动到/data目录下即可
运行prometheus
运行命令
cd /data/docker-prometheusdocker-compose up -d检查是否运行成功
查看正在运行的docker容器
docker ps[root@node1 bak]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
932d17a43046 grafana/grafana:9.4.3 "/run.sh" 4 hours ago Up 15 seconds 0.0.0.0:3000->3000/tcp, :::3000->3000/tcp grafana
69256ba5c47e prom/prometheus:v2.37.6 "/bin/prometheus --c…" 4 hours ago Up 16 seconds 0.0.0.0:9090->9090/tcp, :::9090->9090/tcp prometheus
dbf5c7d39319 google/cadvisor:latest "/usr/bin/cadvisor -…" 4 hours ago Up 15 seconds 8080/tcp cadvisor
e9b1088b5767 prom/alertmanager:v0.25.0 "/bin/alertmanager -…" 4 hours ago Up 15 seconds 0.0.0.0:9093->9093/tcp, :::9093->9093/tcp alertmanager
b41ff00ca41b prom/node-exporter:v1.5.0 "/bin/node_exporter …" 4 hours ago Up 16 seconds 0.0.0.0:9100->9100/tcp, :::9100->9100/tcp node-exporter
到这里对应的容器就全部启动了,这里需要将对应的端口开放进行访问(云服务器需要开放对应的安全组或者防火墙),然后通过服务器ip+端口号在浏览器中即可访问.(很重要)
web访问地址
| 应用 | 访问地址 | 备注 |
|---|---|---|
| prometheus | http://127.0.0.1:9090 | 无用户和密码 |
| grafana | http://127.0.0.1:3000 | admin/XXX |
| altermanager | http://127.0.0.1:9093 | 无用户和密码 |
| node-exporter | http://127.0.0.1:9100/metrics | 无用户和密码 |
遇到问题了，我再本机可以访问这些端口，但是再其他机器上无法访问端口，
1.防火墙拦截
查看防火墙状态firewall-cmd --state
关闭防火墙systemctl stop firewalld.service
禁止防火墙开机启动systemctl disable firewalld.service
或者打开防火墙，但防火墙开放映射的端口
firewall-cmd --zone=public --add-port=3000/tcp --permanent
firewall-cmd --zone=public --add-port=9000/tcp --permanent
firewall-cmd --zone=public --add-port=9090/tcp --permanent
firewall-cmd --zone=public --add-port=9100/tcp --permanent 等等
2.没有开启ip转发
查看是否开启
# 1.查看是否开启，若不等于1则没有开启
sysctl net.ipv4.ip_forward
# 2.修改sysctl.conf文件开启
vim /etc/sysctl.conf
# 3，配置=1
net.ipv4.ip_forward=1
# 4. 重启网络，让配置生效
systemctl restart network
# 5.再次查看是否等于1
sysctl net.ipv4.ip_forward
3.做完上述操作，一定要systemctl restart docker 。否则也不会好使。
3.检查各个端口程序
3.1grafana
这里grafana的配置文件中默认配置的密码为password,所以直接输入admin/password即可访问成功.
添加数据源
在下方齿轮图标选择添加数据源
选择Prometheus作为数据源
填写Prometheus的地址,这里的ip需要将服务名作为地址填写在URL中 我填写的内容是http://10.23.3.2:9090
下滑到最下方测试并保存
导入仪表盘
选择左边仪表盘图标点击导入
这里需要导入一个仪表盘的URL或者id
我填写的是1860
也可以直接访问https://grafana.com/grafana/dashboards/路径进入官网进行复制,直接选择Node Exproter Full
选择Copy ID
然后粘贴到刚刚的输入框中,点击加载(Load)按钮
然后选择Prometheus作为数据源
点击导入,即可进入仪表盘界面
8919的界面
16098 job分组的
添加精简导出器
我这边根据网络上面的dashardboard进行修改，使用在工作中的dashboard如下图。
在import中不输入1860，而是在下面json中输入一下内容
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}3.2 prometheus界面使用
访问http://10.23.3.2:9090/
查看监控主机列表
点击status—targets
可以看刚安装好的prometheus只有自己服务器的监控
查看监控指标
点击图中的endpoint下面的链接即可
于图中的链接是localhost，我们点开后会报错的，
因此我们需要填写正真的prometheus的ip地址才能看到监控指标页面
http://10.23.3.2:9090/metrics
解决监控指标页面为localhost问题
/home/prometheus/docker-prometheus/prometheus
1.修改主配置文件prometheus.yml
[root@prometheus-server prometheus]# vim prometheus.yml - job_name: 'prometheus'# metrics_path defaults to '/metrics'# scheme defaults to 'http'.static_configs:- targets: ['192.168.81.250:9090'] #将这里的ip由localhost改为prometheus的真实ip2.重启prometheus
[root@node1 prometheus]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
932d17a43046 grafana/grafana:9.4.3 "/run.sh" 6 hours ago Up About an hour 0.0.0.0:3000->3000/tcp, :::3000->3000/tcp grafana
69256ba5c47e prom/prometheus:v2.37.6 "/bin/prometheus --c…" 6 hours ago Up About an hour 0.0.0.0:9090->9090/tcp, :::9090->9090/tcp prometheus
dbf5c7d39319 google/cadvisor:latest "/usr/bin/cadvisor -…" 6 hours ago Up About an hour 8080/tcp cadvisor
e9b1088b5767 prom/alertmanager:v0.25.0 "/bin/alertmanager -…" 6 hours ago Up About an hour 0.0.0.0:9093->9093/tcp, :::9093->9093/tcp alertmanager
b41ff00ca41b prom/node-exporter:v1.5.0 "/bin/node_exporter …" 6 hours ago Up About an hour 0.0.0.0:9100->9100/tcp, :::9100->9100/tcp node-exporter
a04f2f382035 zabbix/zabbix-proxy-mysql:latest "/sbin/tini -- /usr/…" 10 months ago Up About an hour 0.0.0.0:10051->10051/tcp, :::10051->10051/tcp zabbix-proxy-mysql
8b7d10763fb5 k2jeans/mysql "docker-entrypoint.s…" 10 months ago Up About an hour 0.0.0.0:3306->3306/tcp, :::3306->3306/tcp, 33060/tcp mysql-server
[root@node1 prometheus]# docker restart 69256ba5c47e
我们看到已经不是localhost或是其他的了，点开即可查看
3.3 安装node_exporter组件监控Linux主机
在主机10.23.3.1（linux）
wget https://github.com/prometheus/node_exporter/releases/download/v1.0.1/node_exporter-1.0.1.linux-amd64.tar.gz
mkdir /data
tar -xvf node_exporter-1.0.1.linux-amd64.tar.gz -C /data
cd /data
mv node_exporter-1.0.1.linux-amd64 node_exporter
cd node_exporter/
nohup /data/node_exporter/node_exporter &
netstat -anp | grep 9100安装好node_exporter后访问本机9100端口下的metrics目录即可看到监控数据
http://10.23.3.1:9100/metrics
在prometheus-server上添加监控主机
我们在本机开启node_exporter后需要在prometheus server上进行配置，最终实现在prometheus页面看到监控主机的信息
1.配置prometheus
[root@prometheus-server ~]# cd /data/prometheus/
[root@prometheus-server prometheus]# vim prometheus.yml - job_name: "10.23.3.1"static_configs:- targets: ['10.23.3.1:9100'] 2.重启prometheus
[root@prometheus-server prometheus]# ps aux | grep prometheus | awk '{print $2}' | xargs kill -9
[root@prometheus-server prometheus]# ./prometheus --config.file="/data/prometheus/prometheus.yml" &解释：
job_name: "linux3.1"#起一个监控主机的名称，我们这里以ip地址为名targets: ['10.23.3.1:9100'] #监控主机的地址重启prometheus容器
[root@node1 prometheus]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
932d17a43046 grafana/grafana:9.4.3 "/run.sh" 6 hours ago Up About an hour 0.0.0.0:3000->3000/tcp, :::3000->3000/tcp grafana
69256ba5c47e prom/prometheus:v2.37.6 "/bin/prometheus --c…" 6 hours ago Up About an hour 0.0.0.0:9090->9090/tcp, :::9090->9090/tcp prometheus
dbf5c7d39319 google/cadvisor:latest "/usr/bin/cadvisor -…" 6 hours ago Up About an hour 8080/tcp cadvisor
e9b1088b5767 prom/alertmanager:v0.25.0 "/bin/alertmanager -…" 6 hours ago Up About an hour 0.0.0.0:9093->9093/tcp, :::9093->9093/tcp alertmanager
b41ff00ca41b prom/node-exporter:v1.5.0 "/bin/node_exporter …" 6 hours ago Up About an hour 0.0.0.0:9100->9100/tcp, :::9100->9100/tcp node-exporter
a04f2f382035 zabbix/zabbix-proxy-mysql:latest "/sbin/tini -- /usr/…" 10 months ago Up About an hour 0.0.0.0:10051->10051/tcp, :::10051->10051/tcp zabbix-proxy-mysql
8b7d10763fb5 k2jeans/mysql "docker-entrypoint.s…" 10 months ago Up About an hour 0.0.0.0:3306->3306/tcp, :::3306->3306/tcp, 33060/tcp mysql-server
[root@node1 prometheus]# docker restart 69256ba5c47e查看prometheus页面是否添加主机
点击status—targets
成功添加
扩展：prometheus添加分组主机
在监控主机安装node_exporter
我们有10.23.2.3、10.23.3.4两台主机，可以将这两台主机添加到一个组里面
分别在这两台上安装node_exporter
两台都执行以下操作
1.安装node_exporter
[root@grafana ~]# tar xf node_exporter-1.0.1.linux-amd64.tar.gz -C /data
[root@grafana ~]# cd /data
[root@grafana data]# mv node_exporter-1.0.1.linux-amd64/ node_exporter2.启动node_exporter
[root@grafana data]# cd node_exporter
[root@grafana node_exporter]# nohup /data/node_exporter/node_exporter &3.查看端口
[root@grafana node_exporter]# netstat -lnpt | grep 9100
配置prometheus
[root@node1 prometheus]# pwd
/home/prometheus/docker-prometheus/prometheusvim prometheus.yml - job_name: "Tomcat"static_configs:- targets: ['10.23.3.3:9100']- targets: ['10.23.3.4:9100']注释：当job_name下面有多个targets时，则当前job_name不再是一台主机的名称，而是下面所有targets的名称，也就是分组名页面添加主机分组成功
点击status—targets
