Package assertmetrics provides utilities for verifying Prometheus metrics in tests given a Registry.

Package testappender exposes utilities to test code which writes to Prometheus storage.Appenders.

Package zapadapter allows github.com/go-kit/log to be used as a Zap core.

CamelToSnake is a helper function for converting CamelCase to Snake Case.

CompareYAML marshals a and b to YAML and ensures that their contents are equal.

CompareYAMLWithHook marshals both a and b to YAML and checks the results for equality, allowing for a hook to define custom marshaling behavior.

DefaultConfigFromFlags will load default values into cfg by retrieving default values that are registered as flags.

Enables a set of feature gates in Otel's Global Feature Gate Registry.

Eventually calls the check function several times until it doesn't report an error.

JoinWithTruncation joins a slice of string elements with a separator sep, truncating the middle if the slice is longer than maxElements, using abbreviation as a placeholder for the truncated part.

MarshalYAMLMerged marshals all values from vv into a single object.

MustRegisterOrGet will attempt to register the supplied collector into the register.

NewUncheckedCollector creates a new UncheckedCollector.

NewWaitTrigger creates a new WaitTrigger.

Enables a set of feature gates which should always be enabled in Alloy.

TestAlloyLogger generates an Alloy-compatible logger for a test.

TestLogger generates a logger for a test.

UnmarshalYAMLMerged performs a strict unmarshal of bb into all values from vv.

Untab is a utility function for tests to make it easier to write YAML tests, where some editors will insert tabs into strings by default.

Untar untars a tarball to the provided destination path.

WrapWithUnregisterer wraps a prometheus Registerer with capabilities to unregister all collectors.

UncheckedCollector is a prometheus.Collector which stores a set of unchecked metrics.

WaitTrigger allows for waiting for a specific condition to be met.

ConfigFlags is an interface that will register flags that can control some object.

PrefixedConfigFlags is an interface that, given a prefix for flags and a flagset, will register flags that can control some object.

Unregisterer is a Prometheus Registerer that can unregister all collectors passed to it.

RawYAML is similar to json.RawMessage and allows for deferred YAML decoding.