loki 日志采集安装

下载loki和promtail

wget https://github.com/grafana/loki/releases/download/v1.5.0/loki-linux-amd64.zip
uznip loki-linux-amd64.zip 
mv loki-linux-amd64 /usr/local/bin/loki
wget https://github.com/grafana/loki/releases/download/v1.5.0/promtail-linux-amd64.zip
unzip promtail-linux-amd64.zip
unzip promtail-linux-amd64 /usr/local/bin/promtail

配置文件

https://github.com/grafana/loki/blob/v1.5.0/cmd/loki/loki-local-config.yaml

https://github.com/grafana/loki/blob/v1.5.0/cmd/promtail/promtail-local-config.yaml

mv loki-local-config.yaml /usr/local/bin/config-loki.yml
mv promtail-local-config.yaml /usr/local/bin/config-promtail.yml

配置systemd

vi /etc/systemd/system/loki.service
[Unit]
Description=Loki service
After=network.target

[Service]
Type=simple
ExecStart=/usr/local/bin/loki -config.file /usr/local/bin/config-loki.yml

[Install]
WantedBy=multi-user.target

vi /etc/systemd/system/promtail.service
[Unit]
Description=Promtail service
After=network.target

[Service]
Type=simple
ExecStart=/usr/local/bin/promtail -config.file /usr/local/bin/config-promtail.yml

[Install]
WantedBy=multi-user.target

systemctl start loki
systemctl enable loki
systemctl start promtail
systemctl start promtail

验证

[http://Your-Server-Domain-or-IP]:3100/metrics

[http://Your-Server-Domain-or-IP]:9080

grafana 数据源添加

添加数据源

http://127.0.0.1:3100

点击查看exporter