Configure Slack Channel

Prerequisites

Before configuring Slack as a notification channel in SigNoz, ensure that you have:

• Incoming Webhook: Follow the steps outlined in sending messages to slack using Incoming Webhook to set up an Incoming Webhook in your Slack workspace.
• SigNoz Version: v0.5.0 or later

Accessing Alert Channels

To manage your alert channels in SigNoz:

• Navigate to Settings > Alert Channels tab within SigNoz. This tab displays a list of configured alert channels.

Creating a new Notification channel

To create a new Slack notification channel in SigNoz, follow these steps:

• Navigate to Settings > Alert Channels and click on New Channel.
• Enter a Name for the channel and select Slack as the channel type.
• Webhook URL: Paste the Incoming Webhook URL generated in Slack.
• Recipient: Specify channel or user, use #channel-name, @username (has to be all lowercase, no whitespace)

Test Configuration: Click the Test button to send a test alert to the configured Slack channel. This verifies that SigNoz can communicate with your Slack webhook.

Editing a Notification channel

To edit an existing Slack notification channel:

• Navigate to the channel settings in SigNoz.
• You can edit the slack webhook URL and other parameters. However, note that the channel name and type are not editable after creation.

Receive Alert in Slack

Once the configuration is set up correctly, you will receive alerts in the configured Slack channel whenever monitored metrics exceed the specified thresholds in alert rules. This ensures you are promptly notified of any issues in your applications or infrastructure components.

Turn-off Resolved alerts

The resolve alerts toggle is switched on by default. To turn-off receiveing the Resolved alerts for your Notification Channel, follow these steps:

• Navigate to Settings > Alert Channels
• Click on Edit button for a particular alert.
• Toggle off the Send resolved alerts button and hit Save.

Troubleshooting

If you encounter issues:

• Check the Webhook URL: Ensure the webhook URL is correctly entered in SigNoz.
• Verify Slack Permissions: Confirm that the webhook has permissions to post to the desired channel.