Prometheus容器化部署,配合Grafan画图工具监控节点信息
Prometheus 容器化部署，配合Grafan画图工具监控节点
部署 Prometheus
准备工作
//关闭防火墙和selinux
[root@prometheus ~]# systemctl disable --now firewalld
[root@prometheus ~]# sed -i s/SELINUX=enforing/SELINUX=disabled/g /etc/selinux/config
[root@prometheus ~]# setenforce 0
//配置docker源与安装docker
[root@prometheus ~]# wget https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo -O /etc/yum.repos.d/docker-ce.repo
[root@prometheus ~]# yum -y install docker-ce
[root@prometheus ~]# systemctl enable --now docker
//配置阿里云镜像加速
[root@prometheus ~]# cat > /etc/docker/daemon.json << EOF
{
"registry-mirrors": ["https://wjscumc2.mirror.aliyuncs.com"]
}
EOF
[root@prometheus ~]# systemctl restart docker
prometueus
//创建共享存储卷位置，提前准备好promrtheus的配置文件，放入此目录下
[root@prometheus ~]# mkdir -p /prometheus/config
[root@prometheus config]# ls
prometheus.yml
[root@prometheus config]# 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: ["localhost:9090"]
//运行prometheus容器
[root@prometheus ~]# docker run --name prometheus -d --restart always -p 9090:9090 -v /prometheus/config/prometheus.yml:/etc/prometheus/prometheus.yml:ro prom/prometheus:latest
[root@prometheus ~]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
a1ebf9e29cb8 prom/prometheus:latest "/bin/prometheus --c…" 12 seconds ago Up 10 seconds 0.0.0.0:9090->9090/tcp, :::9090->9090/tcp prometheus
[root@prometheus ~]# ss -antl
State Recv-Q Send-Q Local Address:Port Peer Address:PortProcess
LISTEN 0 128 0.0.0.0:22 0.0.0.0:*
LISTEN 0 128 0.0.0.0:9090 0.0.0.0:*
LISTEN 0 128 [::]:22 [::]:*
LISTEN 0 128 [::]:9090 [::]:*
网页访问prometueus访问方式：主机IP:9090 主机名:9090/targets
部署 node_exporter
节点主机安装node_exporter
//关闭节点主机防火墙和selinux
[root@node1 ~]# systemctl disable --now firewalld
[root@node1 ~]# sed -i s/SELINUX=enforing/SELINUX=disabled/g /etc/selinux/config
[root@node1 ~]# setenforce 0
//下载安装包
[root@node1 src]# wget https://github.com/prometheus/node_exporter/releases/download/v1.3.0/node_exporter-1.3.0.linux-amd64.tar.gz
[root@node1 src]# ls
debug kernels node_exporter-1.3.0.linux-amd64.tar.gz
//解压
[root@node1 src]# tar -xf node_exporter-1.3.0.linux-amd64.tar.gz -C /usr/local/
[root@node1 src]# mv /usr/local/node_exporter-1.3.0.linux-amd64/ /usr/local/node_exporter
[root@node1 src]# ls ../local/
bin games lib libexec sbin src
etc include lib64 node_exporter share
//service启动文件
[root@node1 ~]# cat > /usr/lib/systemd/system/node_exporter.service <<EOF
[unit]
Description=The node_exporter Server
After=network.target
[Service]
ExecStart=/usr/local/node_exporter/node_exporter
Restart=on-failure
RestartSec=15s
SyslogIdentifier=node_exporter
[Install]
WantedBy=multi-user.target
EOF
[root@node1 ~]# cat /usr/lib/systemd/system/node_exporter.service
[unit]
Description=The node_exporter Server
After=network.target
[Service]
ExecStart=/usr/local/node_exporter/node_exporter
Restart=on-failure
RestartSec=15s
SyslogIdentifier=node_exporter
[Install]
WantedBy=multi-user.target
//启动
[root@node1 ~]# systemctl enable --now node_exporter
Created symlink /etc/systemd/system/multi-user.target.wants/node_exporter.service → /usr/lib/systemd/system/node_exporter.service.
[root@node1 ~]# ss -antl
State Recv-Q Send-Q Local Address:Port Peer Address:Port
LISTEN 0 128 127.0.0.1:36451 0.0.0.0:*
LISTEN 0 128 127.0.0.1:10248 0.0.0.0:*
LISTEN 0 128 0.0.0.0:22 0.0.0.0:*
LISTEN 0 128 *:10250 *:*
LISTEN 0 128 *:9100 *:*
LISTEN 0 128 [::]:22 [::]:*
添加节点主机到prometheus
//添加节点主机
[root@prometheus config]# pwd
/prometheus/config
[root@prometheus config]# vi prometheus.yml
# my global config
global:
# 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"
static_configs:
- targets: ["localhost:9090"]
- job_name: "linux servers" #节点主机任务名称
static_configs:
- targets: ["192.168.218.130:9100"] #节点主机IP
//重启prometheus容器
[root@prometheus config]# docker restart prometheus
prometheus
[root@prometheus config]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
a1ebf9e29cb8 prom/prometheus:latest "/bin/prometheus --c…" 24 minutes ago Up 2 seconds 0.0.0.0:9090->9090/tcp, :::9090->9090/tcp prometheus
网页访问访问方式： 主机名IP:9090/targets
查看监控数据
主机名IP:9090/metrics
部署grafana
//使用grafana镜像运行容器
[root@prometheus ~]# docker run -d --name grafana -p 3000:3000 --restart always grafana/grafana
[root@prometheus ~]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
133606fe4b00 grafana/grafana "/run.sh" 20 seconds ago Up 19 seconds 0.0.0.0:3000->3000/tcp, :::3000->3000/tcp grafana
a1ebf9e29cb8 prom/prometheus:latest "/bin/prometheus --c…" 31 minutes ago Up 6 minutes 0.0.0.0:9090->9090/tcp, :::9090->9090/tcp prometheus
[root@prometheus ~]# ss -antl
State Recv-Q Send-Q Local Address:Port Peer Address:PortProcess
LISTEN 0 128 0.0.0.0:22 0.0.0.0:*
LISTEN 0 128 0.0.0.0:3000 0.0.0.0:*
LISTEN 0 128 0.0.0.0:9090 0.0.0.0:*
LISTEN 0 128 [::]:22 [::]:*
LISTEN 0 128 [::]:3000 [::]:*
LISTEN 0 128 [::]:9090 [::]:*
网页访问grafana访问方式：主机IP:3000 默认账号密码均为admin
第一次登陆需要修改密码