LoadConfig loads apm-server configuration from apm-server.yml, using command-line flags.

NewBeat creates a new Beat.

NewReloader returns a new Reloader which creates Runners using the provided beat.Info and NewRunnerFunc.

NewRootCommand returns the root command for apm-server.

WithDisableConfigResolution returns a LoadConfigOption that disables resolution of variables.

WithMergeConfig returns a LoadConfigOption that merges the given config.C objects into the raw configuration.

ErrAlreadyLocked is returned when a lock on the data path is attempted but unsuccessful because another Beat instance already has the lock on the same data path.

Beat provides the runnable and configurable instance of a beat.

BeatParams holds parameters for NewBeat.

Reloader responds to libbeat configuration changes by calling the given NewRunnerFunc to create a new Runner, and then stopping any existing one.

RunnerParams holds parameters that will be passed by Reloader to its NewRunnerFunc.

Runner is an interface returned by NewRunnerFunc.

LoadConfigOption is an option for controlling LoadConfig behaviour.

NewRunnerFunc is a function type that constructs a new Runner with the given parameters.