PROMPROXY

Prometheus Proxy is a simple proxy server that can be used to simulate namespaced Prometheus instances. A selected set of Prometheus v1 API will be exposed under /{key1}/{key2}/api/v1/ path to be a data source of general purpose Prometheus client, such as Grafana.

HTTP API Endpoints

The following Prometheus v1 API endpoints are supported:

• /api/v1/query: Query Prometheus for metrics.
• /api/v1/query_range: Query Prometheus for metrics over a range of time.
• /api/v1/query_exemplars: Query Prometheus for exemplars.
• /api/v1/series: Get a list of series by label selectors.
• /api/v1/labels: Get a list of label names.
• /api/v1/label/{name}/values: Get a list of label values.
• /api/v1/rules: Get a list of alerting and recording rules.

Configuration

The proxy server can be configured using the following CLI flags:

• -listen-addr: The address to listen on for incoming HTTP requests. (default ":8080")
• -upstream-endpoint: The address of the upstream Prometheus server. ( default "http://localhost:9090")
• -upstream-tls: Enable TLS for the upstream Prometheus server. (default false)
• -upstream-tls-cert-dir: The directory containing the TLS certificate and key for the upstream Prometheus server. (default "")
• -label-matchers: The label matchers to be used for the proxy server. (default "")
• -isolation-keys: The isolation keys to be used for the proxy server. (default "")
• -print-access-log: Print access log. (default false)

License

This project is licensed under the Apache License, Version 2.0. See LICENSE for the full license text.