Create Alerts

GCP allows for the creation of alerts based on specified log-based criteria, but it is not obvious how this can be done.

The process consists of 4 main steps:

• Add / Edit Notification Channels

• Create Logs-based Metric

• Create Alerting Policy

• Test the created alert

Create Logs-based Metric

1. Access https://console.cloud.google.com/logs/metrics

   

2. Click on CREATE METRIC under User-defined metrics

3. Provide the requested information

   • Metric Type: Counter

   • Details

     • Log metric name: <name>

     • Description: <desciption>

     • Units: 1

   • Filter selection: <log-based query criteria>

   • Labels: Ignore

4. Click CREATE METRIC

Create Alerting Policy

1. Access https://console.cloud.google.com/monitoring/alerting

   

2. Click on Create Policy at the menu bar

3. Click SELECT A METRIC

4. Disable Show only active resources & metrics

5. Search for and select logging/user/<log_metric_name_configured_above>

6. Provided the requested information:

   • Transform data

     • Rolling window: 1 min

     • Rolling window function: count

7. Click on Next

8. Provide the requested information

   • Condition type: Threshold

   • Alert trigger: Any time series violates

   • Threshold position: Above threshold

   • Threshold value: 0.99

9. Click on Next

10. Select previously configured notification channel and preferred incident autoclose duration

11. Give the alert a name

12. Click on Next

13. Click on CREATE POLICY