![]() The diagram shows that Prometheus is running on the ClusterControl host and exporters process_exporter and node_exporter are running as well to collect metrics from its own node. It shows that the ClusterControl node has Prometheus running where it also runs process_exporter and node_exporter. The diagram below shows you how these exporters are linked with the server hosting the Prometheus process. Prometheus collects metrics data from exporters, with each exporter running on a database or load balancer host. Prometheus in action for SCUMM Dashboards It provides dimensional data, powerful queries, great visualization, efficient storage, simple operation, precise alerting, many client libraries, and many integrations. It is a monitoring platform that collects metrics from monitored targets by scraping metrics HTTP endpoints on these targets. Prometheus is an open-source monitoring system with a dimensional data model, flexible query language, efficient time series database and modern alerting approach. This blog will show you how to fix issues when Prometheus exporters aren’t running, or if the graphs aren’t displaying data, or showing “No Data Points”. SCUMM utilizes Prometheus as the underlying method to gather time series data from exporters running on database instances and load balancers. As I saw this being an issue on some other threads I researched, I'll also mention that SELinux is disabled on this particular machine.It’s almost two months now since we released SCUMM (Severalnines ClusterControl Unified Management and Monitoring). I can fire up Prometheus just fine from the command line but cannot start it using sudo systemctl start prometheus. I thought maybe for some reason not having Prometheus locally was causing problems so I tried installing Prometheus locally using this instruction set: I'm running Prometheus on another box, not sure if that will work with the blackbox exporter and Prometheus itself on separate boxes but something I wanted to try. May 09 15:20:40 hostname systemd: blackbox_rvice failed. May 09 15:20:40 hostname systemd: Unit blackbox_rvice entered failed state. May 09 15:20:40 hostname systemd: blackbox_rvice: main process exited, code=exited, status=1/FAILURE ![]() ![]() May 09 15:20:40 hostname systemd: Started Blackbox Exporter. Main PID: 22483 (code=exited, status=1/FAILURE) Process: 22483 ExecStart=/usr/local/bin/blackbox_exporter -config.file /etc/blackbox_exporter/blackbox.yml (code=exited, status=1/FAILURE) ![]() Loaded: loaded (/etc/systemd/system/blackbox_rvice disabled vendor preset: disabled)Īctive: failed (Result: exit-code) since Tue 15:20:40 GMT 5s ago When I try to run it as a service it does not: systemctl status blackbox_exporterīlackbox_rvice - Blackbox Exporter When I start the blackbox exporter from the command line it works fine: /usr/local/bin/blackbox_exporter -config.file=/etc/blackbox/blackbox.yml -web.listen-address=":9115" I installed the Prometheus Blackbox Exporter using this instruction set:
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