api: add the role implementation #8
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DifferentialOrange
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Jul 10, 2024
The role is generally similar in functionality to
`cartridge-metrics-role`. But there is also a difference. The key
difference - the role does not support `health` format.
The role name is `roles.metrics-export` it could be configured in the
Tarantool 3 cluster configuration like this:
```yaml
roles: [roles.metrics-export]
roles_cfg:
roles.metrics-export:
http:
- listen: 8081
endpoints:
- path: /metrics/json
format: json
- path: /metrics/prometheus/
format: prometheus
- listen: '127.0.0.1:8082'
endpoints:
- path: /metrics/prometheus
format: prometheus
- path: /metrics/json/
format: json
```
* `http` - is an export type name. The `http` is only supported at
now. It allows to export metrics via a list of HTTP servers.
* `listen` - is an address/port to listen via a HTTP server.
* `endpoints` - is a list of endpoints to share via the HTTP server.
* `path` - is an endpoint path.
* `format` - is an export format for the endpoint, at now the role
supports only `json` and `prometheus`.
Closes #6
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The role is generally similar in functionality to
cartridge-metrics-role. But there is also a difference. The key difference - the role does not supporthealthformat.The role name is
roles.metrics-exportit could be configured in the Tarantool 3 cluster configuration like this:http- is an export type name. Thehttpis only supported at now. It allows to export metrics via a list of HTTP servers.listen- is an address/port to listen via a HTTP server.endpoints- is a list of endpoints to share via the HTTP server.path- is an endpoint path.format- is an export format for the endpoint, at now the role supports onlyjsonandprometheus.Closes #6