Install Grafana Plugins Behind a Proxy server

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This is a quick guide on how to install Grafana plugins behind a proxy server. If you have tried, to install or try to list available Grafana plugins when you are behind a proxy, you might have experienced errors as;

grafana-cli plugins list-remote
Failed to send requesterrorGet https://grafana.com/api/plugins/repo: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)
Error: ✗ Failed to send request. error: Get https://grafana.com/api/plugins/repo: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)

Configure System Proxy

Simply configure your system proxy by executing the command below;

echo "export http_proxy='http://192.168.43.3:3128'" | tee /etc/profile.d/proxy.sh

If your proxy server supports both HTTP and HTTPS, then you can add the line below;

echo "export https_proxy='https://192.168.43.3:3128'" | tee -a /etc/profile.d/proxy.sh

However, if you encounter the error below;

Failed to send request: Get https://grafana.com/api/plugins/repo/grafana-worldmap-panel: proxyconnect tcp: tls: first record does not look like a TLS handshake
Error: ✗ Failed to send request. error: Get https://grafana.com/api/plugins/repo/grafana-worldmap-panel: proxyconnect tcp: tls: first record does not look like a TLS handshake

Remove the https line from the proxy configuration file created above.

sed -i '/https/d' /etc/profile.d/proxy.sh

Next, source the proxy configuration file to refresh the enviroment variables.

source /etc/profile.d/proxy.sh

You can as well, log out and log in to apply the settings.

Verify your Proxy configurations.

echo $http_proxy
http://192.168.43.3:3128

There are other multiple ways of setting system-wide proxy. See the link below;

How to Set System Wide Proxy in Ubuntu 18.04

Install Grafana Plugins Behind a Proxy Server

Once you have setup your system proxy, you can now install Grafana plugins. For example, to list available grafana plugins;

grafana-cli plugins list-remote
id: abhisant-druid-datasource version: 0.0.5
id: agenty-flowcharting-panel version: 0.3.0
id: akumuli-datasource version: 1.2.8
id: alexanderzobnin-zabbix-app version: 3.10.2
id: andig-darksky-datasource version: 1.0.0
id: ayoungprogrammer-finance-datasource version: 1.0.0
id: belugacdn-app version: 1.2.0
id: bessler-pictureit-panel version: 1.0.0
id: blackmirror1-singlestat-math-panel version: 1.1.7
id: blackmirror1-statusbygroup-panel version: 1.1.1
id: bosun-app version: 0.0.28
...

So to install a plugin, for example the grafana-worldmap-panel.

grafana-cli plugins install grafana-worldmap-panel
installing grafana-worldmap-panel @ 0.2.0
from url: https://grafana.com/api/plugins/grafana-worldmap-panel/versions/0.2.0/download
into: /var/lib/grafana/plugins

✔ Installed grafana-worldmap-panel successfully 

Restart grafana after installing plugins . <service grafana-server restart>

Once the installation is done, you need to restart Grafana server.

systemctl restart grafana-server

You can list all installed plugins by running the command;

grafana-cli plugins ls
installed plugins:
briangann-datatable-panel @ 0.0.6 
grafana-piechart-panel @ 1.3.6 
grafana-worldmap-panel @ 0.2.0 

That is just it on how to install Grafana plugins behind a proxy server.

Related Tutorials;

Integrate Prometheus with Grafana for Monitoring

Monitor Squid logs with Grafana and Graylog

Install Grafana 6.2.x on Ubuntu 18.04/Debian 9

Install Grafana Metrics Monitoring Tool on Debian 9

Install Grafana Monitoring Tool on Fedora 29

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