Prometheus : Add Monitoring Target2020/09/07 |
Add Monitoring Target Nodes.
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[1] | Install [node-exporter] package on the Node you'd like to add that includes features to get metric data of general resource on the System like CPU or Memory usage. |
root@node01:~# apt -y install prometheus-node-exporter
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[2] | Add setting on Prometheus Server Configuration. |
root@dlp:~#
vi /etc/prometheus/prometheus.yml ..... ..... 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'] # line 33: add new Host to [targets] line - job_name: node static_configs: - targets: ['localhost:9100', 'node01.srv.world:9100'] # alternatively, if you'd like to add to another group, # add [job_name] section like follows # any name is OK for [job_name] - job_name: Hiroshima static_configs: - targets: ['node01.srv.world:9100']root@dlp:~# systemctl restart prometheus
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[3] | Access to the Prometheus Web UI and click [Status] - [Targets] to verify new nodes are listed. |
[4] | To input query directly, it's possbile to display specific Job or Node. The example below shows a Job for [node_load5]. ⇒ node_load5{job="Hirosima"} |
[5] | The example below shows a Node for [node_procs_running]. ⇒ node_procs_running{instance=~"node01.*"} |
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