Description:
- Has:
- A name
- One or more conditions
- Notifications
- Documentation
- In YAML or Json format
- https://cloud.google.com/sdk/gcloud/reference/alpha/monitoring/channels/create
- Can monitoring in a group with multiple resources
- Design alert:
- If too short window: easier for false positive
- If too long window: less false positive byt longer to detect fail of SLOs and takes more of error budget
- Set alert of short windows with successive failture counts
Types of alert policies:
| Metric-based alerting policies | Log-based alerting policies |
|---|
| for metric data collected by Cloud Monitoring | for a specific message occured in the Log |
| Add in Alert of Cloud Monitoring | Add in Log Explorer or Alert of Monitoring |
| |
- Metric-based alerts:
- types of conditions:
- Metric threshold: more than or equal a threshold
- Metric absence: when there is absence of a metric measurement
- Forecase: predicts
Alert condition:
- Decide what’s being monitored and under what condition an alert must be generated.