chore(deps): update dependency prometheus_fastapi_instrumentator to v8

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
prometheus_fastapi_instrumentator	==6.1 → ==8.1.0

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Release Notes

trallnag/prometheus-fastapi-instrumentator (prometheus_fastapi_instrumentator)

v8.1.0

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Added

• Added new optional parameter should_include_root_path to the
  Instrumentator constructor. When set to True, the default exported
  Prometheus metrics will include the FastAPI app's effective root_path in the
  handler label. Defaults to False to maintain backwards compatibility.
  Requested in
  #​390
  and implemented in
  #​391.

Fixed

• Fixed resolving route names with root path set in FastAPI app. Raised in
  #​387
  and implemented in
  #​391.
• Fixed incorrect handling of nested apps / routes in some corner cases
  introduced with 8.0.1. Raised in
  #​389
  and implemented in
  #​391.

v8.0.2

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Fixed

• Replaced deprecated asyncio.iscoroutinefunction() with
  inspect.iscoroutinefunction() in Instrumentator.add() to avoid warnings on
  Python 3.12+ in
  #​378.

v8.0.1

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Fixed

• Fixed resolving route names for routers registered via include_router() on
  FastAPI 0.116+ leading to AttributeError getting raised on every request.
  The internal route name resolution now also handles _IncludedRouter and
  recurses into the included router's own routes so the Prometheus label
  reflects the leaf endpoint. Thanks to
  @​adeebmirza in
  #​371
  for fixing it.
• Fixed hitting mounts with slash redirection collecting wrong handler name.
  Thanks to @​lbonn for raising and fixing this issue
  in
  #​369.

v8.0.0

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Changed

• BREAKING: Ported project to Starlette v1. This includes new required minimum
  versions of Python, Starlette, and FastAPI. Bumped starlette dependency
  from >=0.30.0,<1.0.0 to >=1.0.0,<2.0.0. Bumped requires-python from
  >=3.8 to >=3.10 (starlette dropped support). Bumped fastapi dev
  dependency to ^0.133.0 (first version supporting starlette v1). Adjusted
  middleware app parameter type from Starlette to ASGIApp. Thanks to
  @​bgermann in
  #​357
  for implementing it.

Fixed

• Corrected documentation for setting custom labels. Thanks to
  @​rickie95 in
  #​342
  for implementing it.

v7.1.0

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Added

• Included metrics closure creators have new optional parameter custom_labels
  to set additional custom static labels. Parameter has not been added to the
  Instrumentator() constructor. Thanks to
  @​iocentos for requesting this in
  #​279
  and @​martian711 in
  #​287
  as well as @​Budlee in
  #​326
  for implementing it.

v7.0.2

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Fixed

• Replaced incorrect license identifier in pyproject.toml. Problem
  introduced with the migration to Poetry 2.0 in the last patch release.

v7.0.1

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Changed

• Migrated pyproject.toml to support PEP 621. This comes with a migration
  to Poetry 2.0. Thanks to @​alexted bringing this
  up in
  #​323.

v7.0.0

Compare Source

Major release with a single breaking change: Python 3.7 is not supported
anymore. Beyond that, three improvements based on various pull requests.

Added

• Instrumentator now works without FastAPI. This is possible because every
  FastAPI app is also a Starlette app (but not the other way around). Or to be
  more specific: FastAPI uses Starlette for things like routing and middleware
  this package relies on. The change is backwards compatible, even type checkers
  like mypy should continue working. Thanks to
  @​mvanderlee for proposing this in
  #​280
  and implementing it in
  #​288.

• Middleware also records duration without streaming in addition to the
  already existing total latency (i.e. the time consumed for streaming is not
  included in the duration value). The differentiation can be valuable as it
  shows the time to first byte.

  This mode is opt-in and can be enabled / used in several ways: The
  Instrumentator() constructor, the metrics.default() closure, and the
  metrics.latency() closure now come with the flag
  should_exclude_streaming_duration. The attribute
  modified_duration_without_streaming has been added to the metrics.Info
  class. Instances of metrics.Info are passed to instrumentation functions,
  where the added value can be used to set metrics.

  Thanks to @​dosuken123 for proposing this in
  #​291
  and implementing it in
  #​290.

• Relaxed type of get_route_name argument to HTTPConnection. This allows
  developers to use the get_route_name function for getting the name of
  websocket routes as well. Thanks to @​pajowu for
  proposing and implementing this feature in
  #​276.

Removed

• BREAKING: Dropped support for Python 3.7 which is has reached end-of-life.

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