prometheus-添加监控linux服务器
2024-10-21 03:05:02
1. prometheus-添加监控linux服务器
prometheus添加监控linux服务器
- node_exporter:用于监控Linux系统的指标采集器。
- 常用指标:
- CPU
- 内存
- 硬盘
- 网络流量
- 文件描述符
- 系统负载
- 系统服务
- 数据接口:http://IP:9100
- 使用文档:https://prometheus.io/docs/guides/node-exporter/
- GitHub:https://github.com/prometheus/node_exporter
安装部署
下载node_exporter包
https://github.com/prometheus/node_exporter/releases/download/v1.1.2/node_exporter-1.1.2.linux-amd64.tar.gz
监控端主机下载
[root@VM-0-17-centos ~]# wget https://github.com/prometheus/node_exporter/releases/download/v1.1.2/node_exporter-1.1.2.linux-amd64.tar.gz
解压
[root@VM-0-17-centos ~]# tar -xvf node_exporter-1.1.2.linux-amd64.tar.gz
node_exporter-1.1.2.linux-amd64/
node_exporter-1.1.2.linux-amd64/LICENSE
node_exporter-1.1.2.linux-amd64/NOTICE
node_exporter-1.1.2.linux-amd64/node_exporter
拷贝到opt目录下存放
[root@VM-0-17-centos ~]# mv node_exporter-1.1.2.linux-amd64 /opt/
[root@VM-0-17-centos ~]# ll /opt/node_exporter-1.1.2.linux-amd64/
total 18748
-rw-r--r-- 1 3434 3434 11357 Mar 5 17:41 LICENSE
-rwxr-xr-x 1 3434 3434 19178528 Mar 5 17:29 node_exporter
-rw-r--r-- 1 3434 3434 463 Mar 5 17:41 NOTICE
[root@VM-0-17-centos ~]# mv /opt/node_exporter-1.1.2.linux-amd64 /opt/node_exporter
切换目录
[root@VM-0-17-centos ~]# cd /opt/node_exporter/
[root@VM-0-17-centos node_exporter]# ll
total 18748
-rw-r--r-- 1 3434 3434 11357 Mar 5 17:41 LICENSE
-rwxr-xr-x 1 3434 3434 19178528 Mar 5 17:29 node_exporter
-rw-r--r-- 1 3434 3434 463 Mar 5 17:41 NOTICE
启动服务尝试
[root@VM-0-17-centos node_exporter]# ./node_exporter
level=info ts=2021-05-19T07:00:05.583Z caller=node_exporter.go:178 msg="Starting node_exporter" version="(version=1.1.2, branch=HEAD, revision=b597c1244d7bef49e6f3359c87a56dd7707f6719)"
level=info ts=2021-05-19T07:00:05.583Z caller=node_exporter.go:179 msg="Build context" build_context="(go=go1.15.8, user=root@f07de8ca602a, date=20210305-09:29:10)"
level=warn ts=2021-05-19T07:00:05.583Z caller=node_exporter.go:181 msg="Node Exporter is running as root user. This exporter is designed to run as unpriviledged user, root is not required."
level=info ts=2021-05-19T07:00:05.583Z caller=filesystem_common.go:74 collector=filesystem msg="Parsed flag --collector.filesystem.ignored-mount-points" flag=^/(dev|proc|sys|var/lib/docker/.+)($|/)
level=info ts=2021-05-19T07:00:05.583Z caller=filesystem_common.go:76 collector=filesystem msg="Parsed flag --collector.filesystem.ignored-fs-types" flag=^(autofs|binfmt_misc|bpf|cgroup2?|configfs|debugfs|devpts|devtmpfs|fusectl|hugetlbfs|iso9660|mqueue|nsfs|overlay|proc|procfs|pstore|rpc_pipefs|securityfs|selinuxfs|squashfs|sysfs|tracefs)$
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:106 msg="Enabled collectors"
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=arp
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=bcache
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=bonding
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=btrfs
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=conntrack
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=cpu
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=cpufreq
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=diskstats
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=edac
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=entropy
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=fibrechannel
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=filefd
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=filesystem
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=hwmon
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=infiniband
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=ipvs
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=loadavg
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=mdadm
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=meminfo
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=netclass
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=netdev
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=netstat
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=nfs
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=nfsd
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=powersupplyclass
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=pressure
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=rapl
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=schedstat
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=sockstat
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=softnet
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=stat
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=textfile
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=thermal_zone
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=time
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=timex
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=udp_queues
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=uname
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=vmstat
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=xfs
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=zfs
level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:195 msg="Listening on" address=:9100
level=info ts=2021-05-19T07:00:05.584Z caller=tls_config.go:191 msg="TLS is disabled." http2=false
配置为系统服务管理
编写系统配置服务
[root@iZj6cbgktk3zjpge312vq1Z node_exporter]# vim /usr/lib/systemd/system/node_exporter.service
[root@iZj6cbgktk3zjpge312vq1Z node_exporter]# cat /usr/lib/systemd/system/node_exporter.service
[Unit]
Description=node_exporter
[Service]
# 添加认证密码文件/opt/node_exporter/config.yml ,默认可以不需要
ExecStart=/opt/node_exporter/node_exporter --web.config=/opt/node_exporter/config.yml
ExecReload=/bin/kill -HUP $MAINPID
KillMode=process
Restart=on-failure
[Install]
WantedBy=multi-user.target
添加config配置文件
[root@VM-0-17-centos node_exporter]# yum install httpd-tools –y
[root@VM-0-17-centos node_exporter]# htpasswd -nBC 12 '' | tr -d ':\n'
New password: #这里输入的123456
Re-type new password: #这里输入的123456
$2y$12$.YGKNPkYfSOsm.JataWRUe4vWdTS8nW6YtPQI0Jr14eTv6E5Fpdga # 这段是生成的key
编写启动配置文件
[root@iZj6cbgktk3zjpge312vq1Z node_exporter]# vim config.yml
[root@iZj6cbgktk3zjpge312vq1Z node_exporter]# cat config.yml
basic_auth_users:
prometheus: $2y$12$.YGKNPkYfSOsm.JataWRUe4vWdTS8nW6YtPQI0Jr14eTv6E5Fpdga
启动服务
systemctl daemon-reload
systemctl start node_exporter
systemctl enable node_exporter
在prometheus添加主机
添加配置文件
[root@iZj6cbgktk3zjpge312vq2Z prometheus]# vim prometheus.yml
[root@iZj6cbgktk3zjpge312vq2Z prometheus]# cat prometheus.yml
# my global config
global:
scrape_interval: 15s # Set the scrape interval to every 15 seconds. Default is every 1 minute.
evaluation_interval: 15s # Evaluate rules every 15 seconds. The default is every 1 minute.
# scrape_timeout is set to the global default (10s). # Alertmanager configuration
alerting:
alertmanagers:
- static_configs:
- targets:
# - alertmanager:9093 # Load rules once and periodically evaluate them according to the global 'evaluation_interval'.
rule_files:
# - "first_rules.yml"
# - "second_rules.yml" # A scrape configuration containing exactly one endpoint to scrape:
# Here it's Prometheus itself.
scrape_configs:
# The job name is added as a label `job=<job_name>` to any timeseries scraped from this config.
- job_name: 'prometheus' # metrics_path defaults to '/metrics'
# scheme defaults to 'http'. static_configs:
- targets: ['127.0.0.1:9090']
- job_name: linux
# 添加监控主机的用户和密码
basic_auth:
username: prometheus
password: 123456
static_configs:
- targets: ['10.1.2.211:9100']
labels:
prod: web重启服务
[root@iZj6cbgktk3zjpge312vq2Z prometheus]# /bin/systemctl restart prometheus
在Prometheus配置文件添加被监控端:
验证prometheus配置文件
验证发现已经有数据了
使用Grafana展示node_exporter数据指标,仪表盘ID:9276
导入仪表盘
添加
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