Node_exporter安装(监控节点)
下载安装包
Download
解压安装包
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# tar -xvf node_exporter-0.18.1.linux-amd64.tar.gz
# mv node_exporter-0.18.1.linux-amd64 /usr/local/node_exporter
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加入环境变量
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# echo "export PATH=$PATH:/usr/local/node_exporter" >> /etc/profile
# source /etc/profile
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启动node_exporter
Prometheus安装
下载安装包
Download
解压安装包
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# tar -xvf prometheus-2.13.1.linux-amd64.tar.gz
# mv prometheus-2.13.1.linux-amd64 /usr/local/prometheus
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加入环境变量
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# echo "export PATH=$PATH:/usr/local/prometheus" >>/etc/profile
# source /etc/profile
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配置参数(/usr/local/prometheus/prometheus.yml)
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global:
scrape_interval: 15s
evaluation_interval: 15s
- job_name: prometheus
static_configs:
- targets: ['localhost:9090']
labels:
instance: prometheus
- job_name: t-luhxdb1
static_configs:
- targets: ['10.0.139.161:9100']
labels:
instance: db1
- job_name: t-luhxdb2
static_configs:
- targets: ['10.0.139.162:9100']
labels:
instance: db2
- job_name: t-luhxdb3
static_configs:
- targets: ['10.0.139.163:9100']
labels:
instance: db3
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启动Prometheus
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# prometheus --config.file="/usr/local/prometheus/prometheus.yml" &
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Grafana安装
下载安装包
Download Grafana
安装grafana
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# rpm -ivh grafana-6.4.3-1.x86_64.rpm
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安装字体包
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# yum install urw-fonts freetype* fontconfig -y
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开启dashboard(/etc/grafana/provisioning/dashboards/sample.yaml)
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# # config file version
apiVersion: 1
providers:
- name: 'default'
orgId: 1
folder: ''
folderUid: ''
type: file
options:
path: /var/lib/grafana/dashboards
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开启插件参数(/etc/grafana/grafana.ini)
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# plugins = /var/lib/grafana/plugins
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Grafana Lab下载Dashboard模板并上传至/var/lib/grafana/dashboards
Download Dashboard
修改文件属主
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# chown -R grafana.grafana 1-node-exporter-0-16-0-18-for-prometheus_rev1.json
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Grafana Lab下载piechat插件并上传至/var/lib/grafana/plugins
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# unzip grafana-piechart-panel-v1.3.9-0-gec46c48.zip
# mv grafana-piechart-panel-gec46c48 /var/lib/grafana/plugins/grafana-piechart-panel
# chown -R grafana.grafana /var/lib/grafana/plugins/grafana-piechart-panel
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启动Grafana
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# systemctl start grafana-server
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查看监控
MySQL数据库监控
下载mysqld_exporter
Download
创建MySQL用户
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root@(none) 10:38: grant replication client,process on *.* to 'exporter'@'localhost' identified by 'Abcd123#';
root@(none) 10:38: grant select on performance_schema.* to 'exporter'@'localhost';
root@(none) 10:39: flush privileges;
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设置环境变量
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# echo "export DATA_SOURCE_NAME='exporter:Abcd123#@(localhost:33006)/'" >> /etc/profile
# source /etc/profile
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启动mysqld_exporter
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# /usr/local/mysqld_exporter/mysqld_exporter &
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添加prometheus参数
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- job_name: t-luhxdb3
static_configs:
- targets: ['10.0.139.163:9100']
labels:
instance: db3
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Consul服务发现
通过Consul可以动态注册监控服务，无需每次添加监控对象都重启Prometheus
下载Consul
Donwload
解压并以WEB UI方式启动Consul
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# unzip consul_1.0.0_linux_amd64.zip
# ./consul agent -server -ui -bootstrap-expect 1 -data-dir /tmp/consul -client 0.0.0.0 &
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查看启动状态
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# ./consul members
Node Address Status Type Build Protocol DC Segment
t-luhx01-v-szzb 10.0.139.161:8301 alive server 1.0.0 2 dc1 <all>
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HTTP方式注册服务
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# curl -X PUT -d '{"id":"mysql","name":"mysql","address":"10.0.139.163","port":9104,"tags":["test"],"checks":[{"http":"http://10.0.139.163.9104/","interval":"5s"}]}' http://localhost:8500/v1/agent/service/register
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配置文件方式注册服务(/etc/consul.d/mysql.json)
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"service":{
"id": "mysql",
"name": "mysql",
"address": "10.0.139.162",
"port": 9104,
"tags": ["test"],
"checks": [
{
"http": "http://10.0.139.162:9104",
"interval": "5s"
}
]
}
}
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修改Prometheus参数
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global:
scrape_interval: 15s
evaluation_interval: 15s
- job_name: prometheus
static_configs:
- targets: ['localhost:9090']
labels:
instance: prometheus
- job_name: 'consul'
consul_sd_configs:p
- server: 'localhost:8500'
services: ['redis', 'mysql', 'linux']
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指定文件启动
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# ./consul agent -server -ui -bootstrap-expect 1 -data-dir /tmp/consul -config-dis /etc/consul.d -client 0.0.0.0 &
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修改配置文件重新加载