Prometheus

Data Exporters

Node Exporter

Собирает метрики системы (загрузку цп, состояние ОП, сети дисков)

По умолчанию слушает 9100 порт.

Метрики можно получить curlom

curl http://_target_ip_:9100/metrics

system user

useradd -m -d /var/lib/monitoring -r -c "monitoring APPs" monitoring

systemd service

vim /etc/systemd/system/node_exporter.service
[Unit]
Description=Node Exporter
Wants=network-online.target
After=network-online.target

[Service]
User=monitoring
Group=monitoring
Type=simple
ExecStartPre=/bin/bash -c 'mkdir -p /var/lib/monitoring/textfile'
ExecStart=/usr/local/bin/node_exporter \
        --collector.textfile.directory=/var/lib/monitoring/textfile \
        --collector.diskstats.ignored-devices="^(ram|loop|fd)\\d+$"
ExecStartPost=/bin/bash -c 'echo "node_nproc $(nproc).0" > /var/lib/monitoring/textfile/nproc.prom 2>/dev/null'

[Install]
WantedBy=multi-user.target

bin file

wget https://github.com/prometheus/node_exporter/releases/download/v0.18.1/node_exporter-0.18.1.linux-amd64.tar.gz

Sphinx Exporter

GitHub

Percona MongoDB Exporter

GitHub

MySQL Server Exporter

GitHub

RabbitMQ Exporter

GitHub

Memcached Exporter

GitHub

Mongodb Exporter

GitHub