Install json_exporter

Install json_exporter for access to local and third-party API data


json_exporter queries endpoints providing JSON-formatted data and converts that data into the Prometheus metrics format. It is used to query consensus and execution client JSON APIs, and to query external APIs for price and software release data.

Create System Account

Create a user account under which json_exporter can run.

sudo adduser --system json_exporter --group --no-create-home

Build the json_exporter Executable

The instructions below are for version 0.5.0. Check for newer versions of json_exporter, and adapt the instructions below.

Clone the latest release.

mkdir ~/git
cd ~/git
git clone --depth 1 --branch v0.5.0

Build json_exporter from source code.

cd json_exporter
make build

Install json_exporter

Copy the json_exporter executable to the /usr/local/bin directory.

sudo cp json_exporter /usr/local/bin/

Check to see if json_exporter was installed correctly.

/usr/local/bin/json_exporter --version --help

Create a directory for the configuration file.

sudo mkdir /etc/json_exporter

Configure Startup

Create a systemd service file to configure automatic startup of the json_exporter service.

sudo nano /etc/systemd/system/json_exporter.service

Insert the following into the json_exporter systemd service file.

Description=JSON Exporter

ExecStart=/usr/local/bin/json_exporter --config.file /etc/json_exporter/json_exporter.yml


Save the file and exit the editor.

Optional: Clean Up Installation Files

Remove the json_exporter git repository.

rm -rf ~/git/json_exporter


json_exporter will listen on port 7979. This is the port from which Prometheus will query for metrics.

We have not yet configured nor started json_exporter.

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