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Document webhooks status codes

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stefanprodan
2019-01-03 18:46:36 +02:00
parent 083556baae
commit 13fffe1323
1 changed files with 10 additions and 3 deletions
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docs/gitbook/how-it-works.md
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@@ -132,7 +132,7 @@ And the time it takes for a canary to be rollback:
controlLoopInterval * threshold
```
#### HTTP Metrics
### HTTP Metrics
The canary analysis is using the following Prometheus queries:
@@ -205,7 +205,7 @@ histogram_quantile(0.99,
)
```
#### Webhooks
### Webhooks
The canary analysis can be extended with webhooks.
Flagger would call a URL (HTTP POST) and determine from the response status code (HTTP 2xx) if the canary is failing or not.
@@ -234,6 +234,13 @@ Webhook payload:
"token": "16688eb5e9f289f1991c"
}
}
```
Response status codes:
* 200-202 - advance canary by increasing the traffic weight
* timeout or non-2xx - halt advancement and increment failed checks
On a non-2xx response Flagger will include the response body (if any) in the failed checks log and Kubernetes events.