Prometheus 安装

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1. 下载 Prometheus

https://prometheus.io/download/

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yum install net-tools vim superviosr wget  -y
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cd /opt/
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useradd -s /usr/sbin/nologin prometheus
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wget https://github.com/prometheus/prometheus/releases/download/v2.4.3/prometheus-2.4.3.linux-amd64.tar.gz
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tar -xvf prometheus-2.4.3.linux-amd64.tar.gz
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ln -s prometheus-2.4.3.linux-amd64  prometheus
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cat > /etc/supervisord.d/prometheus.ini << EOF
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command=/opt/prometheus/prometheus  --storage.tsdb.retention=90d  --config.file=/opt/prometheus/prometheus.yml
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user=prometheus
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autostart = true
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autorestart=true
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redirect_stderr=true
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directory=/opt/prometheus
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stdout_logfile=/opt/prometheus/sprometheus.log
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stdout_logfile_maxbytes=20MB
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EOF

2. node

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cd /opt/
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wget https://github.com/prometheus/node_exporter/releases/download/v0.16.0/node_exporter-0.16.0.linux-amd64.tar.gz
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tar -xvf node_exporter-0.16.0.linux-amd64.tar.gz
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ln -s node_exporter-0.16.0.linux-amd64 node_exporter

https://github.com/percona/grafana-dashboards

3. 监控 MySQL

https://prometheus.io/docs/visualization/grafana/

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wget https://github.com/prometheus/mysqld_exporter/releases/download/v0.11.0/mysqld_exporter-0.11.0.linux-amd64.tar.gz

授权

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CREATE USER 'exporter'@'127.0.0.1' IDENTIFIED BY '3Xporter' WITH MAX_USER_CONNECTIONS 3;
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GRANT PROCESS, REPLICATION CLIENT, SELECT ON *.* TO 'exporter'@'127.0.0.1';
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cat > /etc/supervisord.d/prometheus_export.ini << EOF
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[program:p_mysql]
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command=/opt/mysqld_exporter/mysqld_exporter
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autostart = true
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autorestart=true
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redirect_stderr=true
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stdout_logfile=/dev/stdout
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stdout_logfile_maxbytes=0
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environment=DATA_SOURCE_NAME='exporter:3Xporter@(localhost:3306)/'
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[program:p_os]
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command=/opt/node_exporter/node_exporter
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autostart = true
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autorestart=true
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redirect_stderr=true
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stdout_logfile=/dev/stdout
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stdout_logfile_maxbytes=0
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EOF
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supervisorctl reload
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supervisorctl status