| Prometheus { |
| n1: circle label:"Start" |
| n2: rectangle label:"Scrape metrics endpoint" |
| n3: rectangle label:"Evaluate alert rules" |
| n4: diamond label:"Threshold breached?" |
| n5: rectangle label:"Fire alert to Alertmanager" |
| n6: circle label:"End" |
| n1.handle(right) -> n2.handle(left) |
| n2.handle(right) -> n3.handle(left) |
| n3.handle(right) -> n4.handle(left) |
| n4.handle(right) -> n5.handle(left) [label="Yes"] |
| n4.handle(bottom) -> n6.handle(top) [label="No"] |
| n5.handle(bottom) -> Alertmanager.n7.handle(top) [label="Alert fired"] |
| } |
| Alertmanager { |
| n7: rectangle label:"Receive alert" |
| n8: rectangle label:"Deduplicate alerts" |
| n9: rectangle label:"Group related alerts" |
| n10: diamond label:"Silenced or inhibited?" |
| n11: rectangle label:"Route to receiver" |
| n12: rectangle label:"Drop alert" |
| n7.handle(right) -> n8.handle(left) |
| n8.handle(right) -> n9.handle(left) |
| n9.handle(right) -> n10.handle(left) |
| n10.handle(right) -> n11.handle(left) [label="No"] |
| n10.handle(bottom) -> n12.handle(top) [label="Yes"] |
| n11.handle(bottom) -> Notification.n13.handle(top) [label="Notify"] |
| n12.handle(top) -> Prometheus.n6.handle(bottom) [label="Suppressed"] |
| } |
| Notification { |
| n13: rectangle label:"Format alert message" |
| n14: diamond label:"Channel type?" |
| n15: rectangle label:"Send to Slack" |
| n16: rectangle label:"Send to PagerDuty" |
| n17: rectangle label:"Send email" |
| n18: rectangle label:"Log delivery status" |
| n13.handle(right) -> n14.handle(left) |
| n14.handle(right) -> n15.handle(left) [label="Slack"] |
| n14.handle(bottom) -> n16.handle(top) [label="PagerDuty"] |
| n14.handle(left) -> n17.handle(top) [label="Email"] |
| n15.handle(bottom) -> n18.handle(top) |
| n16.handle(right) -> n18.handle(left) |
| n17.handle(bottom) -> n18.handle(left) |
| n18.handle(top) -> Prometheus.n6.handle(bottom) [label="Delivered"] |
| } |
|
|
