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Add documentation for kuma_sd configuration

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Signed-off-by: austin ce <austin.cawley@gmail.com>
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austin ce 2021-05-04 15:47:53 -04:00
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docs/configuration/configuration.md
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@ -248,6 +248,10 @@ http_sd_configs:
kubernetes_sd_configs:
[ - <kubernetes_sd_config> ... ]
# List of Kuma service discovery configurations.
kuma_sd_configs:
[ - <kuma_sd_config> ... ]
# List of Lightsail service discovery configurations.
lightsail_sd_configs:
[ - <lightsail_sd_config> ... ]
@ -1546,6 +1550,74 @@ for a detailed example of configuring Prometheus for Kubernetes.
You may wish to check out the 3rd party [Prometheus Operator](https://github.com/coreos/prometheus-operator),
which automates the Prometheus setup on top of Kubernetes.
### `<kuma_sd_config>`
Kuma SD configurations allow retrieving scrape target from the [Kuma](https://kuma.io) control plane.
This SD discovers "monitoring assignments" based on Kuma [Dataplane Proxies](https://kuma.io/docs/latest/documentation/dps-and-data-model),
via the MADS v1 (Monitoring Assignment Discovery Service) xDS API, and will create a target for each proxy
inside a Prometheus-enabled mesh.
The following meta labels are available for each target:
* `__meta_kuma_mesh`: the name of the proxy's Mesh
* `__meta_kuma_dataplane`: the name of the proxy
* `__meta_kuma_service`: the name of the proxy's associated Service
* `__meta_kuma_label_<tagname>`: each tag of the proxy
See below for the configuration options for Kuma MonitoringAssignment discovery:
```yaml
# Address of the Kuma Control Plane's MADS xDS server.
server: <string>
# The time to wait between polling update requests.
[ refresh_interval: <duration> | default = 30s ]
# The time after which the monitoring assignments are refreshed.
[ fetch_timeout: <duration> | default = 2m ]
# Optional proxy URL.
[ proxy_url: <string> ]
# TLS configuration.
tls_config:
[ <tls_config> ]
# Authentication information used to authenticate to the Docker daemon.
# Note that `basic_auth` and `authorization` options are
# mutually exclusive.
# password and password_file are mutually exclusive.
# Optional HTTP basic authentication information.
basic_auth:
[ username: <string> ]
[ password: <secret> ]
[ password_file: <string> ]
# Optional the `Authorization` header configuration.
authorization:
# Sets the authentication type.
[ type: <string> | default: Bearer ]
# Sets the credentials. It is mutually exclusive with
# `credentials_file`.
[ credentials: <secret> ]
# Sets the credentials with the credentials read from the configured file.
# It is mutually exclusive with `credentials`.
[ credentials_file: <filename> ]
# Optional OAuth 2.0 configuration.
# Cannot be used at the same time as basic_auth or authorization.
oauth2:
[ <oauth2> ]
# Configure whether HTTP requests follow HTTP 3xx redirects.
[ follow_redirects: <bool> | default = true ]
```
The [relabeling phase](#relabel_config) is the preferred and more powerful way
to filter proxies and user-defined tags.
### `<lightsail_sd_config>`
Lightsail SD configurations allow retrieving scrape targets from [AWS Lightsail](https://aws.amazon.com/lightsail/)