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| # OpenTelemetry | ||
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| This SDK produces [metrics](https://opentelemetry.io/docs/concepts/signals/metrics/) using [OpenTelemetry](https://opentelemetry.io/) that allow you to view data such as request timings. These metrics also include attributes for the model and store ID, as well as the API called to allow you to build reporting. | ||
| - [Overview](#overview) | ||
| - [Metrics](#metrics) | ||
| - [Supported Metrics](#supported-metrics) | ||
| - [Supported Attributes](#supported-attributes) | ||
| - [Customizing Reporting](#customizing-reporting) | ||
| - [Usage](#usage) | ||
| - [Installation](#1-install-dependencies) | ||
| - [Configure OpenTelemetry](#2-configure-opentelemetry) | ||
| - [Configure OpenFGA](#3-configure-openfga) | ||
| - [Example Integration](#example-integration) | ||
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| When an OpenTelemetry SDK instance is configured, the metrics will be exported and sent to the collector configured as part of your applications configuration. If you are not using OpenTelemetry, the metric functionality is a no-op and the events are never sent. | ||
| ## Overview | ||
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| In cases when metrics events are sent, they will not be viewable outside of infrastructure configured in your application, and are never available to the OpenFGA team or contributors. | ||
| This SDK supports [OpenTelemetry](https://opentelemetry.io/) to export [metrics](https://opentelemetry.io/docs/concepts/signals/metrics/) that provide insights into your application's performance, such as request timings. These metrics include attributes like model and store IDs, and the API called, which you can use to build detailed reports and dashboards. | ||
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| If you configure the OpenTelemetry SDK, these metrics will be exported and sent to a collector as specified in your application's configuration. If OpenTelemetry is not configured, metrics functionality is disabled, and no events are sent. | ||
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| ## Metrics | ||
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| ### Supported Metrics | ||
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| | Metric Name | Type | Description | | ||
| | --------------------------------- | --------- | -------------------------------------------------------------------------------- | | ||
| | `fga-client.request.duration` | Histogram | The total request time for FGA requests | | ||
| | `fga-client.query.duration` | Histogram | The amount of time the FGA server took to process the request | | ||
| | ` fga-client.credentials.request` | Counter | The total number of times a new token was requested when using ClientCredentials | | ||
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| ### Supported attributes | ||
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| | Attribute Name | Type | Description | | ||
| | ------------------------------ | -------- | ----------------------------------------------------------------------------------- | | ||
| | `fga-client.response.model_id` | `string` | The authorization model ID that the FGA server used | | ||
| | `fga-client.request.method` | `string` | The FGA method/action that was performed | | ||
| | `fga-client.request.store_id` | `string` | The store ID that was sent as part of the request | | ||
| | `fga-client.request.model_id` | `string` | The authorization model ID that was sent as part of the request, if any | | ||
| | `fga-client.request.client_id` | `string` | The client ID associated with the request, if any | | ||
| | `fga-client.user` | `string` | The user that is associated with the action of the request for check and list users | | ||
| | `http.status_code ` | `int` | The status code of the response | | ||
| | `http.method` | `string` | The HTTP method for the request | | ||
| | `http.host` | `string` | Host identifier of the origin the request was sent to | | ||
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| ## Example | ||
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| There is an [example project](https://{{gitHost}}/{{gitUserId}}/{{gitRepoId}}/blob/main/example/opentelemetry) that provides some guidance on how to configure OpenTelemetry available in the examples directory. | ||
| | Metric Name | Type | Enabled by Default | Description | | ||
| | -------------------------------- | --------- | ------------------ | --------------------------------------------------------------------------------- | | ||
| | `fga-client.request.duration` | Histogram | Yes | Total request time for FGA requests, in milliseconds | | ||
| | `fga-client.query.duration` | Histogram | Yes | Time taken by the FGA server to process and evaluate the request, in milliseconds | | ||
| | `fga-client.credentials.request` | Counter | Yes | Total number of new token requests initiated using the Client Credentials flow | | ||
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| ### Supported Attributes | ||
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| | Attribute Name | Type | Enabled by Default | Description | | ||
| | ------------------------------ | ------ | ------------------ | --------------------------------------------------------------------------------- | | ||
| | `fga-client.request.client_id` | string | Yes | Client ID associated with the request, if any | | ||
| | `fga-client.request.method` | string | Yes | FGA method/action that was performed (e.g., Check, ListObjects) in TitleCase | | ||
| | `fga-client.request.model_id` | string | Yes | Authorization model ID that was sent as part of the request, if any | | ||
| | `fga-client.request.store_id` | string | Yes | Store ID that was sent as part of the request | | ||
| | `fga-client.response.model_id` | string | Yes | Authorization model ID that the FGA server used | | ||
| | `fga-client.user` | string | No | User associated with the action of the request for check and list users | | ||
| | `http.client.request.duration` | int | No | Duration for the SDK to complete the request, in milliseconds | | ||
| | `http.host` | string | Yes | Host identifier of the origin the request was sent to | | ||
| | `http.request.method` | string | Yes | HTTP method for the request | | ||
| | `http.request.resend_count` | int | Yes | Number of retries attempted, if any | | ||
| | `http.response.status_code` | int | Yes | Status code of the response (e.g., `200` for success) | | ||
| | `http.server.request.duration` | int | Yes | Time taken by the FGA server to process and evaluate the request, in milliseconds | | ||
| | `url.scheme` | string | Yes | HTTP scheme of the request (`http`/`https`) | | ||
| | `url.full` | string | Yes | Full URL of the request | | ||
| | `user_agent.original` | string | Yes | User Agent used in the query | | ||
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| ## Customizing Reporting | ||
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| To control which metrics and attributes are reported by the SDK, you can provide your own `TelemetryConfiguration` instance during initialization, as shown in the example above. The `TelemetryConfiguration` class allows you to configure the metrics and attributes that are reported by the SDK, as outlined in [the tables above](#metrics). | ||
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| ## Usage | ||
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| ### 1. Install Dependencies | ||
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| Install the OpenFGA SDK and OpenTelemetry SDK in your application using `pip`: | ||
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| ```sh | ||
| pip install openfga opentelemetry-sdk | ||
| ``` | ||
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| You must also install an OpenTelemetry exporter; for example, the OTLP gRPC exporter: | ||
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| ```sh | ||
| pip install opentelemetry-exporter-otlp-proto-grpc | ||
| ``` | ||
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| ### 2. Configure OpenTelemetry | ||
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| Configure your application to use OpenTelemetry, and set up the metrics provider to export metrics using an exporter: | ||
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| ```python | ||
| from opentelemetry import metrics | ||
| from opentelemetry.exporter.otlp.proto.grpc.metric_exporter import OTLPMetricExporter | ||
| from opentelemetry.sdk.metrics import MeterProvider | ||
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| # Configure OpenTelemetry | ||
| metrics.set_meter_provider( | ||
| MeterProvider( | ||
| resource=Resource(attributes={SERVICE_NAME: "openfga-example"}), | ||
| metric_readers=[PeriodicExportingMetricReader(OTLPMetricExporter())], | ||
| ) | ||
| ) | ||
| ``` | ||
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| ### 3. Configure OpenFGA | ||
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| Configure the OpenFGA client, and (optionally) customize what metrics and attributes are reported: | ||
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| ```python | ||
| from {{packageName}}.telemetry.configuration import ( | ||
| TelemetryConfiguration, | ||
| TelemetryMetricConfiguration, | ||
| TelemetryMetricsConfiguration, | ||
| ) | ||
| from {{packageName}} import ClientConfiguration, OpenFgaClient | ||
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| configuration = ClientConfiguration( | ||
| api_url=os.getenv("FGA_API_URL"), | ||
| store_id=os.getenv("FGA_STORE_ID"), | ||
| authorization_model_id=os.getenv("FGA_AUTHORIZATION_MODEL_ID"), | ||
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| # If you are comfortable with the default configuration outlined in the tables above, you can omit providing your own TelemetryConfiguration object. | ||
| telemetry=TelemetryConfiguration( | ||
| metrics=TelemetryMetricsConfiguration( | ||
| histogram_request_duration=TelemetryMetricConfiguration( | ||
| attr_fga_client_request_method=True, | ||
| attr_http_response_status_code=True, | ||
| ), | ||
| ), | ||
| ), | ||
| ) | ||
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| fga = OpenFgaClient(configuration) | ||
| ``` | ||
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| ## Example Integration | ||
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| An [example integration](../example/opentelemetry) is provided that also demonstrates how to configure an application with OpenFGA and OpenTelemetry. Please refer to [the README](../example/opentelemetry/README.md) for more information. |
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