- Lab
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Libraries: If you want this lab, consider one of these libraries.
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Installing Prometheus Pushgateway
The Prometheus pull model provides a highly resilient method for gathering metrics. However, there are a few cases where this model is not a good fit. Prometheus Pushgateway serves as a middleman, providing a push-based method for gathering metrics without compromising the simplicity of Prometheus server. In this lab, you will have the opportunity to install and configure your own Prometheus Pushgateway instance. This will give you some hands-on experience with the process of setting up Pushgateway.

Lab Info
Table of Contents
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Challenge
Install and Run Pushgateway
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Log in to the Prometheus server.
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Create a user and group for Pushgateway:
sudo useradd -M -r -s /bin/false pushgateway
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Download and install the Pushgateway binary:
wget https://github.com/prometheus/pushgateway/releases/download/v1.2.0/pushgateway-1.2.0.linux-amd64.tar.gz
tar xvfz pushgateway-1.2.0.linux-amd64.tar.gz
sudo cp pushgateway-1.2.0.linux-amd64/pushgateway /usr/local/bin/
sudo chown pushgateway:pushgateway /usr/local/bin/pushgateway
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Create a
systemd
unit file for Pushgateway:sudo vi /etc/systemd/system/pushgateway.service
[Unit] Description=Prometheus Pushgateway Wants=network-online.target After=network-online.target [Service] User=pushgateway Group=pushgateway Type=simple ExecStart=/usr/local/bin/pushgateway [Install] WantedBy=multi-user.target
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Start and enable the
pushgateway
service:sudo systemctl enable pushgateway
sudo systemctl start pushgateway
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Verify the service is running and serving metrics:
sudo systemctl status pushgateway
curl localhost:9091/metrics
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Challenge
Configure Pushgateway as a Scrape Target for Prometheus Server
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Edit the Prometheus config:
sudo vi /etc/prometheus/prometheus.yml
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Under the
scrape_configs
section, add a scrape configuration for Pushgateway. Be sure to sethonor_labels: true
:- job_name: 'Pushgateway' honor_labels: true static_configs: - targets: ['localhost:9091']
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Restart Prometheus to load the new configuration:
sudo systemctl restart prometheus
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Use expression browser to verify you can see Pushgateway metrics in Prometheus. You can access expression browser in a web browser at
http://<PROMETHEUS_SERVER_PUBLIC_IP>:9090
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Run a query to view some Pushgateway metric data:
pushgateway_build_info
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About the author
Real skill practice before real-world application
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