https://github.com/gopinathassrj/prometheus-custom-python
prometheus-custom-python demo
This repo published to monitor the customer URL using Python along with Prometheus monitoring and Dashboard to Grafana
Pre-requesities:
Following software need to be installed before triggering the vagrant up command
- Vagrant
- VirtualBox
- Git
Execution steps:
Please follow step by steps instruciton given below
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git init
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git clone https://github.com/gopinathassrj/prometheus-custom-python.git
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$ ls Vagrantfile master-playbook.yml node-playbook.yml postinstall.sh updatehosts.sh
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$ vagrant up Wait for while the K8s cluster getting ready
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$ vagrant status Current machine states:
masterk8s running (virtualbox) minions running (virtualbox)
This environment represents multiple VMs. The VMs are all listed
above with their current state. For more information about a specific
VM, run vagrant status NAME.
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$ vagrant ssh masterk8s
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Check if the promethus server started else start by invoking following command
vagrant@masterk8s:$ sudo -i
root@masterk8s:# ls
root@masterk8s:~# cd /home/vagrant/
root@masterk8s:/home/vagrant# ls
prometheus-2.4.2.linux-amd64 prometheus-2.4.2.linux-amd64.tar.gz prometheus-custom-python
root@masterk8s:/home/vagrant# vi prometheus-2.4.2.linux-amd64
root@masterk8s:/home/vagrant# cd prometheus-2.4.2.linux-amd64/
root@masterk8s:/home/vagrant/prometheus-2.4.2.linux-amd64# ./prometheus &
[1] 27282
root@masterk8s:/home/vagrant/prometheus-2.4.2.linux-amd64# level=info ts=2020-03-14T21:02:56.428254563Z caller=main.go:238 msg="Starting Prometheus" version="(version=2.4.2, branch=HEAD, revision=c305ffaa092e94e9d2dbbddf8226c4813b1190a0)"
level=info ts=2020-03-14T21:02:56.428357923Z caller=main.go:239 build_context="(go=go1.10.3, user=root@dcde2b74c858, date=20180921-07:22:29)"
level=info ts=2020-03-14T21:02:56.428388363Z caller=main.go:240 host_details="(Linux 4.15.0-51-generic #55-Ubuntu SMP Wed May 15 14:27:21 UTC 2019 x86_64 masterk8s (none))"
level=info ts=2020-03-14T21:02:56.428408116Z caller=main.go:241 fd_limits="(soft=1024, hard=1048576)"
level=info ts=2020-03-14T21:02:56.428423717Z caller=main.go:242 vm_limits="(soft=unlimited, hard=unlimited)"
level=info ts=2020-03-14T21:02:56.429239332Z caller=web.go:397 component=web msg="Start listening for connections" address=0.0.0.0:9090
level=info ts=2020-03-14T21:02:56.429236802Z caller=main.go:554 msg="Starting TSDB ..."
level=info ts=2020-03-14T21:02:56.435133507Z caller=main.go:564 msg="TSDB started"
level=info ts=2020-03-14T21:02:56.435210559Z caller=main.go:624 msg="Loading configuration file" filename=prometheus.yml
level=info ts=2020-03-14T21:02:56.435986806Z caller=main.go:650 msg="Completed loading of configuration file" filename=prometheus.yml
level=info ts=2020-03-14T21:02:56.436088577Z caller=main.go:523 msg="Server is ready to receive web requests."
- Invoke customer script to monitor the url
root@masterk8s:/home/vagrant/prometheus-custom-python# ls README.md Vagrantfile http_check.py master-playbook.yml node-playbook.yml postinstall.sh updatehosts.sh root@masterk8s:/home/vagrant/prometheus-custom-python# python3 http_check.py DEBUG ---- Method Called DEBUG ---- Method Called DEBUG ---- Method Called DEBUG ---- Method Called DEBUG ---- Method Called
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Access the Prometheus url with port number 9090, check the targets, Metrics and Graphs
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Create a dashboard in Grafana accessing the url with port number 3000