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Set up monitoring and alerting for quicksilver validator

Prerequisites

Install exporters on validator node

First of all you will have to install exporters on validator node. For that you can use one-liner below

wget -O install_exporters.sh https://raw.githubusercontent.com/kj89/cosmos_node_monitoring/master/install_exporters.sh && chmod +x install_exporters.sh && ./install_exporters.sh
KEY VALUE
bond_denom Denominated token name, for example, uqck for quicksilver testnet. You can find it in genesis file
bench_prefix Prefix for chain addresses, for example, quick for quicksilver testnet. You can find it in public addresses like this quickvaloper1zyyz4m9ytdf60fn9yaafx7uy7h463n7alv2ete
rpc_port Your validator rpc port that is defined in config.toml file. Default value for quicksilver is 11657
grpc_port Your validator grpc port that is defined in app.toml file. Default value for quicksilver is 11090

make sure following ports are open:

  • 9100 (node-exporter)
  • 9300 (cosmos-exporter)

prometheus metrics should be enabled and port 11660 should be available on validator instance

To enable prometheus you have to run command below and after that please restart service to apply changes

# enable prometheus
sed -i -e "s/prometheus = false/prometheus = true/" $HOME/.quicksilverd/config/config.toml

Deployment

Monitoring stack needs to be deployed on seperate machine to be able to notify in case if validator goes down! To run monitoring stack you dont need beastly server with multiple cores. It will be more than enough to run it on smallest available vps

System requirements

Ubuntu 20.04 / 1 VCPU / 2 GB RAM / 20 GB SSD

Install monitoring stack

To install monitirng stack you can use one-liner below

wget -O install_monitoring.sh https://raw.githubusercontent.com/kj89/cosmos_node_monitoring/master/install_monitoring.sh && chmod +x install_monitoring.sh && ./install_monitoring.sh

Copy .env.example into .env

sudo cp $HOME/cosmos_node_monitoring/config/.env.example $HOME/cosmos_node_monitoring/config/.env

Update values in .env file

sudo vim $HOME/cosmos_node_monitoring/config/.env
KEY VALUE
TELEGRAM_ADMIN Your user id you can get from @userinfobot. The bot will only reply to messages sent from the user. All other messages are dropped and logged on the bot's console
TELEGRAM_TOKEN Your telegram bot access token you can get from @botfather. To generate new token just follow a few simple steps described here

Export .env file values into .bash_profile

echo "export $(xargs < $HOME/cosmos_node_monitoring/config/.env)" > $HOME/.bash_profile
source $HOME/.bash_profile

Add validator into prometheus configuration file

To add validator use command with specified VALIDATOR_IP, QUICKSILVER_PROM_PORT, QUICKSILVER_VALOPER_ADDRESS, QUICKSILVER_WALLET_ADDRESS and PROJECT_NAME

$HOME/cosmos_node_monitoring/add_validator.sh VALIDATOR_IP QUICKSILVER_PROM_PORT QUICKSILVER_VALOPER_ADDRESS QUICKSILVER_WALLET_ADDRESS PROJECT_NAME

example: $HOME/cosmos_node_monitoring/add_validator.sh 1.2.3.4 11660 quickvaloper1zyyz4m9ytdf60fn9yaafx7uy7h463n7alv2ete quick1zyyz4m9ytdf60fn9yaafx7uy7h463n7a05eshc quicksilver

To add more validators just run command above with validator values

Run docker compose

Deploy the monitoring stack

cd $HOME/cosmos_node_monitoring
sudo docker compose up -d

ports used:

  • 8080 (alertmanager-bot)
  • 9090 (prometheus)
  • 9093 (alertmanager)
  • 9999 (grafana)

Configuration

Configure Grafana

  1. Open Grafana in your web browser. It should be available on port 9999

image

  1. Login using defaults admin/admin and change password

  2. Import custom dashboard

3.1. Press "+" icon on the left panel and then choose "Import"

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3.2. Input grafana.com dashboard id 15991 and press "Load"

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3.3. Select Prometheus data source and press "Import"

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  1. Congratulations you have successfully configured Cosmos Validator Dashboard

Configrure Telegram alerting

  1. Open conversation with your Telegram bot you created with @botfather and type /start to activate bot

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  1. Now you are all set! If you want see other commands type /help

If you want learn more about alermanager-bot please visit their github repo

Testing

Test alerts

  1. For simple test you can stop node-exporter service for 5 minutes. It should trigger alert
sudo systemctl stop node_exporter
  1. You will see message from bot firing

image

  1. Now you can start node-exporter service back
sudo systemctl start node_exporter
  1. You will get confirmation from bot that issue is resolved

image

Dashboard contents

Grafana dashboard is devided into 4 sections:

  • Validator health - main stats for validator health. connected peers and missed blocks

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  • Chain health - summary of chain health stats and list of top validators missing blocks

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  • Validator stats - information about validator such as rank, bounded tokens, comission, delegations and rewards

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  • Hardware health - system hardware metrics. cpu, ram, network usage

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Cleanup all container data

cd $HOME/cosmos_node_monitoring
sudo docker compose down
sudo docker volume prune -f

Reference list

Resources I used in this project: