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The search service can find package by either name (apache), provides(webserver), absolute file names (/usr/bin/apache), binaries (gprof) or shared libraries (libXm.so.2) in standard path. It does not support multiple arguments yet...
The System and Arch are optional added filters, for example System could be "redhat", "redhat-7.2", "mandrake" or "gnome", Arch could be "i386" or "src", etc. depending on your system.
[Prometheus Haskell Client] A simple and modern, type safe, performance focused, idiomatic Haskell client for <http://prometheus.io Prometheus> monitoring. Specifically there is no use of unsafe IO or manual ByteString construction from lists of bytes. Batteries-included web server. A key design element of this library is that the RegistryT monad transformer is only required for registering new time series. Once the time series is registered, new data samples may just be added in the IO monad. Note: Version 0.* supports Prometheus v1.0 and version 2.* supports Prometheus v2.0. [Usage Example] > module Example where > > import Control.Monad.IO.Class (liftIO) > import System.Metrics.Prometheus.Http.Scrape (serveMetricsT) > import System.Metrics.Prometheus.Concurrent.RegistryT > import System.Metrics.Prometheus.Metric.Counter (inc) > import System.Metrics.Prometheus.MetricId > > main :: IO () > main = runRegistryT $ do > -- Labels can be defined as lists or added to an empty label set > connectSuccessGauge <- registerGauge "example_connections" (fromList [("login", "success")]) > connectFailureGauge <- registerGauge "example_connections" (addLabel "login" "failure" mempty) > connectCounter <- registerCounter "example_connection_total" mempty > latencyHistogram <- registerHistogram "example_round_trip_latency_ms" mempty [10, 20..100] > > liftIO $ inc connectCounter -- increment a counter > > -- [...] pass metric handles to the rest of the app > > serveMetricsT 8080 ["metrics"] -- http://localhost:8080/metric server > [Advanced Usage] A `Registry` and `StateT`-based `RegistryT` are available for unit testing or generating lists of `[IO a]` actions that can be `sequenced` and returned from pure code to be applied.
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