prometheus

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Published: Oct 23, 2017 License: Apache-2.0

README

Prometheus Build Status

CircleCI Docker Repository on Quay Docker Pulls Go Report Card Code Climate Issue Count

Visit prometheus.io for the full documentation, examples and guides.

Prometheus, a Cloud Native Computing Foundation project, is a systems and service monitoring system. It collects metrics from configured targets at given intervals, evaluates rule expressions, displays the results, and can trigger alerts if some condition is observed to be true.

Prometheus' main distinguishing features as compared to other monitoring systems are:

  • a multi-dimensional data model (timeseries defined by metric name and set of key/value dimensions)
  • a flexible query language to leverage this dimensionality
  • no dependency on distributed storage; single server nodes are autonomous
  • timeseries collection happens via a pull model over HTTP
  • pushing timeseries is supported via an intermediary gateway
  • targets are discovered via service discovery or static configuration
  • multiple modes of graphing and dashboarding support
  • support for hierarchical and horizontal federation

Architecture overview

Install

There are various ways of installing Prometheus.

Precompiled binaries

Precompiled binaries for released versions are available in the download section on prometheus.io. Using the latest production release binary is the recommended way of installing Prometheus. See the Installing chapter in the documentation for all the details.

Debian packages are available.

Docker images

Docker images are available on Quay.io.

You can launch a Prometheus container for trying it out with

$ docker run --name prometheus -d -p 127.0.0.1:9090:9090 quay.io/prometheus/prometheus

Prometheus will now be reachable at http://localhost:9090/.

Building from source

To build Prometheus from the source code yourself you need to have a working Go environment with version 1.8 or greater installed.

You can directly use the go tool to download and install the prometheus and promtool binaries into your GOPATH. We use Go 1.5's experimental vendoring feature, so you will also need to set the GO15VENDOREXPERIMENT=1 environment variable in this case:

$ GO15VENDOREXPERIMENT=1 go get github.com/prometheus/prometheus/cmd/...
$ prometheus -config.file=your_config.yml

You can also clone the repository yourself and build using make:

$ mkdir -p $GOPATH/src/github.com/prometheus
$ cd $GOPATH/src/github.com/prometheus
$ git clone https://github.com/prometheus/prometheus.git
$ cd prometheus
$ make build
$ ./prometheus -config.file=your_config.yml

The Makefile provides several targets:

  • build: build the prometheus and promtool binaries
  • test: run the tests
  • test-short: run the short tests
  • format: format the source code
  • vet: check the source code for common errors
  • assets: rebuild the static assets
  • docker: build a docker container for the current HEAD

More information

  • The source code is periodically indexed: Prometheus Core.
  • You will find a Travis CI configuration in .travis.yml.
  • See the Community page for how to reach the Prometheus developers and users on various communication channels.

Contributing

Refer to CONTRIBUTING.md

License

Apache License 2.0, see LICENSE.

Directories

Path Synopsis
cmd
prometheus
The main package for the Prometheus server executable.
The main package for the Prometheus server executable.
dns
ec2
gce
documentation
examples/remote_storage/remote_storage_adapter
The main package for the Prometheus server executable.
The main package for the Prometheus server executable.
local
Package local contains the local time series storage used by Prometheus.
Package local contains the local time series storage used by Prometheus.
local/codable
Package codable provides types that implement encoding.BinaryMarshaler and encoding.BinaryUnmarshaler and functions that help to encode and decode primitives.
Package codable provides types that implement encoding.BinaryMarshaler and encoding.BinaryUnmarshaler and functions that help to encode and decode primitives.
local/index
Package index provides a number of indexes backed by persistent key-value stores.
Package index provides a number of indexes backed by persistent key-value stores.
remote
Package remote is a generated protocol buffer package.
Package remote is a generated protocol buffer package.
util
cli
flock
Package flock provides portable file locking.
Package flock provides portable file locking.
promlint
Package promlint provides a linter for Prometheus metrics.
Package promlint provides a linter for Prometheus metrics.
web
ui

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