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Merge current v2.6 into master

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Tom Moulard 2022-02-15 09:09:16 +01:00
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docs/content/observability/metrics/overview.md
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@ -62,7 +62,7 @@ traefik_config_last_reload_success
The expiration date of certificates.
Available labels: `cn`, `sans`, `serial`.
[Labels](#labels): `cn`, `sans`, `serial`.
```dd tab="Datadog"
tls.certs.notAfterTimestamp
@ -94,7 +94,7 @@ traefik_tls_certs_not_after
The total count of HTTP requests received by an entrypoint.
Available labels: `code`, `method`, `protocol`, `entrypoint`.
[Labels](#labels): `code`, `method`, `protocol`, `entrypoint`.
```dd tab="Datadog"
entrypoint.request.total
@ -117,7 +117,7 @@ traefik_entrypoint_requests_total
The total count of HTTPS requests received by an entrypoint.
Available labels: `tls_version`, `tls_cipher`, `entrypoint`.
[Labels](#labels): `tls_version`, `tls_cipher`, `entrypoint`.
```dd tab="Datadog"
entrypoint.request.tls.total
@ -140,7 +140,7 @@ traefik_entrypoint_requests_tls_total
Request processing duration histogram on an entrypoint.
Available labels: `code`, `method`, `protocol`, `entrypoint`.
[Labels](#labels): `code`, `method`, `protocol`, `entrypoint`.
```dd tab="Datadog"
entrypoint.request.duration
@ -163,7 +163,7 @@ traefik_entrypoint_request_duration_seconds
The current count of open connections on an entrypoint.
Available labels: `method`, `protocol`, `entrypoint`.
[Labels](#labels): `method`, `protocol`, `entrypoint`.
```dd tab="Datadog"
entrypoint.connections.open
@ -195,7 +195,7 @@ traefik_entrypoint_open_connections
The total count of HTTP requests handled by a router.
Available labels: `code`, `method`, `protocol`, `router`, `service`.
[Labels](#labels): `code`, `method`, `protocol`, `router`, `service`.
```dd tab="Datadog"
router.request.total
@ -218,7 +218,7 @@ traefik_router_requests_total
The total count of HTTPS requests handled by a router.
Available labels: `tls_version`, `tls_cipher`, `router`, `service`.
[Labels](#labels): `tls_version`, `tls_cipher`, `router`, `service`.
```dd tab="Datadog"
router.request.tls.total
@ -241,7 +241,7 @@ traefik_router_requests_tls_total
Request processing duration histogram on a router.
Available labels: `code`, `method`, `protocol`, `router`, `service`.
[Labels](#labels): `code`, `method`, `protocol`, `router`, `service`.
```dd tab="Datadog"
router.request.duration
@ -264,7 +264,7 @@ traefik_router_request_duration_seconds
The current count of open connections on a router.
Available labels: `method`, `protocol`, `router`, `service`.
[Labels](#labels): `method`, `protocol`, `router`, `service`.
```dd tab="Datadog"
router.connections.open
@ -298,7 +298,7 @@ traefik_router_open_connections
The total count of HTTP requests processed on a service.
Available labels: `code`, `method`, `protocol`, `service`.
[Labels](#labels): `code`, `method`, `protocol`, `service`.
```dd tab="Datadog"
service.request.total
@ -321,7 +321,7 @@ traefik_service_requests_total
The total count of HTTPS requests processed on a service.
Available labels: `tls_version`, `tls_cipher`, `service`.
[Labels](#labels): `tls_version`, `tls_cipher`, `service`.
```dd tab="Datadog"
router.service.tls.total
@ -344,7 +344,7 @@ traefik_service_requests_tls_total
Request processing duration histogram on a service.
Available labels: `code`, `method`, `protocol`, `service`.
[Labels](#labels): `code`, `method`, `protocol`, `service`.
```dd tab="Datadog"
service.request.duration
@ -367,7 +367,7 @@ traefik_service_request_duration_seconds
The current count of open connections on a service.
Available labels: `method`, `protocol`, `service`.
[Labels](#labels): `method`, `protocol`, `service`.
```dd tab="Datadog"
service.connections.open
@ -390,7 +390,7 @@ traefik_service_open_connections
The count of requests retries on a service.
Available labels: `service`.
[Labels](#labels): `service`.
```dd tab="Datadog"
service.retries.total
@ -413,7 +413,7 @@ traefik_service_retries_total
Current service's server status, described by a gauge with a value of 0 for a down server or a value of 1 for an up server.
Available labels: `service`, `url`.
[Labels](#labels): `service`, `url`.
```dd tab="Datadog"
service.server.up
@ -431,3 +431,28 @@ traefik_service_server_up
# Default prefix: "traefik"
{prefix}.service.server.up
```
## Labels
Here is a comprehensive list of labels that are provided by the metrics:
| Label | Description | example |
|---------------|---------------------------------------|----------------------------|
| `cn` | Certificate Common Name | "example.com" |
| `code` | Request code | "200" |
| `entrypoint` | Entrypoint that handled the request | "example_entrypoint" |
| `method` | Request Method | "GET" |
| `protocol` | Request protocol | "http" |
| `router` | Router that handled the request | "example_router" |
| `sans` | Certificate Subject Alternative NameS | "example.com" |
| `serial` | Certificate Serial Number | "123..." |
| `service` | Service that handled the request | "example_service@provider" |
| `tls_cipher` | TLS cipher used for the request | "TLS_FALLBACK_SCSV" |
| `tls_version` | TLS version used for the request | "1.0" |
| `url` | Service server url | "http://example.com" |
!!! info "`method` label value"
If the HTTP method verb on a request is not one defined in the set of common methods for [`HTTP/1.1`](https://developer.mozilla.org/en-US/docs/Web/HTTP/Methods)
or the [`PRI`](https://datatracker.ietf.org/doc/html/rfc7540#section-11.6) verb (for `HTTP/2`),
then the value for the method label becomes `EXTENSION_METHOD`.