Monitoring Consul

Configure the Server Density agent to monitor your Consul cluster to:

• Collect important metrics, such as performance and failures

Consul metrics

  • Peers

Installing the Consul plugin package

Install the Consul plugin on Debian/Ubuntu:

sudo apt-get install sd-agent-consul

Install the Consul plugin on RHEL/CentOS:

sudo yum install sd-agent-consul

Read more about agent plugins.

Configuring the agent to monitor Consul

1. Configure /etc/sd-agent/conf.d/consul.yaml

init_config:

instances:
# Where your Consul HTTP Server Lives
- url: http://localhost:8500

2. Restart the agent

sudo /etc/init.d/sd-agent restart

Verifying the configuration
Execute info to verify the configuration with the following:

sudo /etc/init.d/sd-agent info 

If the agent has been configured correctly you’ll see an output such as:

consul
-----
  - instance #0 [OK]
  - Collected 50 metrics & 3 service checks

You can also view the metrics returned with the following command:

sudo -u sd-agent /usr/share/python/sd-agent/agent.py check consul

Configuring graphs

Click the name of your server from the Devices list in your Server Density account then go to the Metrics tab. Click the + Graph button on the right then choose the Consul metrics to display the graphs. The metrics will also be available to select when building dashboard graphs.

 

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