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Monitoring validators

There is a Grafana dashboard that is compatible with all the cosmos-sdk and tendermint based blockchains.


Let's set it up for our network.


First install Grafana and Prometheus on your machine.

Enable tendermint metrics

You will need to edit the node's config/config.toml file, setting prometheus to true:

sed -i 's/prometheus = false/prometheus = true/g' <YOUR-NODE-HOMEDIR>/config/config.toml

In order for the change to take effect you will need to restart the node. You should be able to access the tendermint metrics which defaults to port 26660: http://localhost:26660

Configure prometheus targets

Find prometheus.yml file and append the following job under the scrape_configs:

- job_name: archway  static_configs:    - targets: ['localhost:26660']      labels:        instance: validator


On linux machines this file can be found under this path: /etc/prometheus/prometheus.yml

Resolving port conflicts

When both archwayd and prometheus are running on the same machine, one of the service will encounter a port conflict, causing it to be unable to execute. Do the following to resolve this issue.

Open the node's config/app.toml file and look for:

[grpc]address = ""

Change the port to something else:

[grpc]address = ""

Restart prometheus and archwayd

Restart archwayd using the followng:

sudo archwayd stopsudo archwayd start

The you can restart prometheus:

sudo service prometheus restart

Adding a prometheus service file (Optional)

A service file can be used to allow for the automatic restart of the service, helping to make sure that your node is always monitored.

You can create a service file with:

nano /etc/systemd/system/prometheus_s.service

Add the following content to the file:

ExecStart=/home/$USER/prometheus/prometheus \
--config.file /home/$USER/prometheus/prometheus.yml \
--storage.tsdb.path /home/$USER/prometheus/ \
--web.console.templates=/home/$USER/prometheus/consoles \

You can then reload the systemctl daemon:

sudo systemctl daemon-reload

Then enable the service:

sudo -S systemctl enable prometheus

Start prometheus as a service:

sudo systemctl start prometheus

You can then check that the service is properly running with:

sudo systemctl status prometheus

You can now check the status of the prometheus service by running:

systemctl status prometheus.service

If you see some output like the following, it means the service is running without an issue:

● prometheus.service - Monitoring system and time series database
     Loaded: loaded (/lib/systemd/system/prometheus.service; enabled; vendor preset: enabled)
     Active: active (running) since Wed 2021-10-06 15:32:48 CEST; 17min ago
   Main PID: 457917 (prometheus)
      Tasks: 21 (limit: 37746)
     Memory: 48.3M
     CGroup: /system.slice/prometheus.service
             └─457917 /usr/bin/prometheus

Configure grafana

If you have grafana installed on your node, you can access it via navigating to this address: http://localhost:3000

The default username and password is admin.

Click on config, then add a data source.

Select Prometheus from the list and add its URL.

If you have installed it on your node, the default URL is: http://localhost:9090

Click on Save & test to make sure everything is alright.

Import grafana dashboard

Copy and paste the Grafana Dashboard ID11036 and click on Load to complete importing.

Now you should be able to monitor your validator node.

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