5.2. Create an Alert Dashboard

Alert Dashboard are used to specify which metrics are critical and when to send alerts for those.

Speedgain for Databases comes with a built-in alert dashboards that has some basic alerts already defined. It can be used as a template to create a custom one. The built-in board can not be changed and therefore can only be used as a template.

5.2.1. Save existing one as a copy

custom alert dash setting
Figure 6. Dashboard settings Custom Alerts

  1. login to grafana (open up the speedgain for databases url with port 3000 - default port)

  2. open the "S4DBs Alerts" dashboard (Url: …​:3000/d/1iJVQ9uMz/)

  3. hit the gear icon (settings)

  4. click on "Save as.."

  5. Give the dashboard a name of your choice, select a folder or create a new one, enable copy tags and click on save

  6. On your new dashboard click on the gear icon again (settings)

  7. look for tags and add the tag "custom" - this will make the alerts to appear on the S4DBs - Overview dashoard

  8. click on "Save dashboard"

  9. remove panels you may not need (click on the panel title and on Remove)

  10. add panels via copy and paste from other dashboards (panel title → more → Copy - back to the new dashboard - plus button at upper right → Paste panel from clipboard) - works with panels from other tabs/windows as well

  11. add new panels and specify a query

  12. Repeat for all panels you need and arrange them as you wish

5.2.2. Adding Alerts

create alert
Figure 7. Alert Configuration

  1. Login to Grafana

  2. Click on the panel title and edit

  3. switch over to the "Alert" tab

  4. click on "Create Alert"

  5. Specify a name for the alert and your conditions

  6. add notification channels to e.g. send out emails

  7. click on save to persist that alert

Note
 Alerts do only work if no template variable is used within query and for selected datasource! Remove the variable in the query and may add the corresponding part (like hostname port db_name) as "metric".

5.2.3. Add Notification Channels

add new notification channel
Figure 8. Adding a notification channel

  1. Login to Grafana

  2. Click on the bell on the left

  3. Click on "notification channels"

  4. add your channel(s)

Important
 SMTP settings for grafana have to be provided via environment variables in the Docker Compose file. Container has to be re-created to make use of the new variables (docker compose up -d after editing the compose file)

  • GF_SMTP_ENABLED=true

  • GF_SMTP_HOST=mail.server.com:25

  • GF_SMTP_FROM_ADDRESS=noreply@server.com

  • GF_SMTP_FROM_NAME=speedgain_for_databases_alert

5.2.4. Add a Channel to an alert

  1. Login to Grafana

  2. Open the Alert Dashboard

  3. Click on the panel according to your alert

  4. Add the channels in the bottom section and hit save in the upper right to persist dashboard

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