Monitor

The monitor role sets up Grafana , Prometheus and Loki as Kubernetes pods.

Setting Up Monitoring

1. To set up monitoring, enter all required variables in monitor/monitor_config.yml.

Name	Default, Accepted Values	Required?	Additional Information
docker_username		optional	Username for Dockerhub account. This will be used for Docker login and a kubernetes secret will be created and patched to service account in default namespace. This kubernetes secret can be used to pull images from private repositories.
docker_password		optional	Password for Dockerhub account. This field is mandatory if docker_username is provided.
appliance_k8s_pod_net_cidr	192.168.0.0/16	required	Kubernetes pod network CIDR for appliance k8s network. Make sure this value does not overlap with any of the host networks.
grafana_username		required	The username for grafana UI. The length of username should be at least 5 characters. The username must not contain -,, ‘,”
grafana_password		required	Password used for grafana UI. The length of the password should be at least 5 characters. The password must not contain -,, ‘,”. Do not use “admin” in this field.
mount_location	/opt/omnia/telemetry	required	The path where the Grafana persistent volume will be mounted. If telemetry is set up, all telemetry related files will also be stored and both timescale and mysql databases will be mounted to this location. ‘/’ is mandatory at the end of the path.

Note

After running monitor.yml, the file input/monitor_config.yml will be encrypted. To edit the file, use ansible-vault edit monitor_config.yml --vault-password-file .monitor_vault_key.

2. Run the playbook using the following command:

   cd monitor
   ansible-playbook monitor.yml