Creating Zones For Filters - Sending To Different Channels / Running Multiple Instances Of Frigate-alerts

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Introduction

Frigate is a powerful AI-powered video analytics platform that provides real-time object detection and tracking capabilities. One of the key features of Frigate is its ability to send alerts to different channels, such as Slack, based on custom filters. However, to use filters effectively, it is essential to create zones for the objects of interest. In this article, we will explore how to create zones for filters, send alerts to different channels, and run multiple instances of Frigate-Alerts.

Understanding Zones

Zones are a crucial concept in Frigate that allows you to define specific areas of interest within a camera's field of view. By creating zones, you can specify which objects should be taken into account for filtering purposes. If you do not already have zones defined for one or several cameras, you can add the following lines to the Frigate configuration for each camera:

zones:
  zone1:
    coordinates: 0,0,1,0,1,1,0,1

This will create a "zone1" zone that encompasses everything within the camera's field of view. You can then specify which objects should be taken into account for filtering purposes by modifying the coordinates field.

Creating Zones for Filters

To use filters effectively, you need to create zones for the objects of interest. If you do not already have zones defined for one or several cameras, you can add the following lines to the Frigate configuration for each camera:

zones:
  zone1:
    coordinates: 0,0,1,0,1,1,0,1

This will create a "zone1" zone that encompasses everything within the camera's field of view. You can then specify which objects should be taken into account for filtering purposes by modifying the coordinates field.

Sending Alerts to Different Channels

Frigate allows you to send alerts to different channels, such as Slack, based on custom filters. To send alerts to different channels, you can run several instances of Frigate-Alerts. Just duplicate the Frigate-Alerts section in the docker-compose file and give each a specific name. Adjust the Slack channel ID for each instance.

Running Multiple Instances of Frigate-Alerts

To run multiple instances of Frigate-Alerts, you can duplicate the Frigate-Alerts section in the docker-compose file and give each a specific name. Adjust the Slack channel ID for each instance. You can use the same MQTT user/password, but you need to specify a different MQTT client ID for each instance. This is because only one instance will successfully connect to MQTT if you use the same client ID.

FSA_MQTT_CLIENT_ID: 'a-different-ID-for-each-instance'

Example Use Case

Let's say you have two cameras, Camera 1 and Camera 2, and you want to send alerts to different channels based on custom filters. You can create two instances of Frigate-Alerts, one for each camera, and adjust the Slack channel ID for each instance.

version: '3'

services:
  frigate:
    ...
  frigate-alerts-1:
    ...
    environment:
      - FSA_MQTT_CLIENT_ID='a-different-ID-for-each-instance-1'
      - FSA_SLACK_CHANNEL_ID='C0123456789'
    ...
  frigate-alerts-2:
    ...
    environment:
      - FSA_MQTT_CLIENT_ID='a-different-ID-for-each-instance-2'
      - FSA_SLACK_CHANNEL_ID='C9876543210'
    ...

In this example, we have two instances of Frigate-Alerts, frigate-alerts-1 and frigate-alerts-2, each with a different MQTT client ID and Slack channel ID.

Conclusion

In conclusion, creating zones for filters is a crucial step in using Frigate effectively. By creating zones, you can specify which objects should be taken into account for filtering purposes. Additionally, running multiple instances of Frigate-Alerts allows you to send alerts to different channels based on custom filters. By following the steps outlined in this article, you can create zones for filters and send alerts to different channels using Frigate.

Troubleshooting

If you encounter any issues while creating zones for filters or running multiple instances of Frigate-Alerts, refer to the following troubleshooting tips:

  • Make sure you have created zones for the objects of interest.
  • Check that you have specified the correct MQTT client ID for each instance.
  • Verify that you have adjusted the Slack channel ID for each instance.
  • Check the Frigate logs for any errors or warnings.

Q: What is the purpose of creating zones for filters in Frigate?

A: Creating zones for filters in Frigate allows you to specify which objects should be taken into account for filtering purposes. By creating zones, you can define specific areas of interest within a camera's field of view and customize the filtering process to meet your specific needs.

Q: How do I create zones for filters in Frigate?

A: To create zones for filters in Frigate, you need to add the following lines to the Frigate configuration for each camera:

zones:
  zone1:
    coordinates: 0,0,1,0,1,1,0,1

This will create a "zone1" zone that encompasses everything within the camera's field of view. You can then specify which objects should be taken into account for filtering purposes by modifying the coordinates field.

Q: Can I use the same MQTT user/password for multiple instances of Frigate-Alerts?

A: Yes, you can use the same MQTT user/password for multiple instances of Frigate-Alerts. However, you need to specify a different MQTT client ID for each instance. This is because only one instance will successfully connect to MQTT if you use the same client ID.

Q: How do I specify a different MQTT client ID for each instance of Frigate-Alerts?

A: To specify a different MQTT client ID for each instance of Frigate-Alerts, you can add the following line to the environment section of the docker-compose file:

FSA_MQTT_CLIENT_ID: 'a-different-ID-for-each-instance'

Q: Can I run multiple instances of Frigate-Alerts on the same machine?

A: Yes, you can run multiple instances of Frigate-Alerts on the same machine. However, you need to make sure that each instance has a unique MQTT client ID and Slack channel ID.

Q: How do I adjust the Slack channel ID for each instance of Frigate-Alerts?

A: To adjust the Slack channel ID for each instance of Frigate-Alerts, you can add the following line to the environment section of the docker-compose file:

FSA_SLACK_CHANNEL_ID: 'C0123456789'

Q: Can I use the same Slack channel ID for multiple instances of Frigate-Alerts?

A: No, you cannot use the same Slack channel ID for multiple instances of Frigate-Alerts. Each instance needs to have a unique Slack channel ID to send alerts to the correct channel.

Q: How do I troubleshoot issues with creating zones for filters or running multiple instances of Frigate-Alerts?

A: To troubleshoot issues with creating zones for filters or running multiple instances of Frigate-Alerts, refer to the following troubleshooting tips:

  • Make sure you have created zones for the objects of interest.
  • Check that you have specified the correct MQTT client ID for each instance.
  • Verify that you have adjusted the Slack channel ID for each instance.
  • Check the Frigate logs for any errors or warnings.

By following these troubleshooting tips, you can resolve any issues that may arise while creating zones for filters or running multiple instances of Frigate-Alerts.

Q: Where can I find more information about creating zones for filters and running multiple instances of Frigate-Alerts?

A: You can find more information about creating zones for filters and running multiple instances of Frigate-Alerts in the official Frigate documentation. Additionally, you can refer to the Frigate community forums and GitHub repository for more information and support.