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README
¶
Prometheus Go client library
This is the Go client library for Prometheus. It has two separate parts, one for instrumenting application code, and one for creating clients that talk to the Prometheus HTTP API.
Version Compatibility
This library supports the two most recent major releases of Go. While it may function with older versions, we only provide fixes and support for the currently supported Go releases.
[!NOTE] See our Release Process for details on compatibility and support policies.
Important note about releases and stability
This repository generally follows Semantic
Versioning. However, the API client in
prometheus/client_golang/api/… is still considered experimental. Breaking
changes of the API client will not trigger a new major release. The same is
true for selected other new features explicitly marked as EXPERIMENTAL in
CHANGELOG.md.
Features that require breaking changes in the stable parts of the repository are being batched up and tracked in the v2 milestone, but plans for further development of v2 at the moment.
NOTE: The initial v2 attempt is in a separate branch. We also started experimenting on a new
prometheus.V2.*APIs in the 1.x's V2 struct. Help wanted!
Instrumenting applications
The
prometheus directory
contains the instrumentation library. See the
guide on the Prometheus
website to learn more about instrumenting applications.
The
examples directory
contains simple examples of instrumented code.
Client for the Prometheus HTTP API
The
api/prometheus directory
contains the client for the
Prometheus HTTP API. It allows you
to write Go applications that query time series data from a Prometheus
server. It is still in alpha stage.
Where is model, extraction, and text?
The model packages has been moved to
prometheus/common/model.
The extraction and text packages are now contained in
prometheus/common/expfmt.
Contributing and community
See the contributing guidelines and the Community section of the homepage.
client_golang community is also present on the CNCF Slack #prometheus-client_golang.
Directories
¶
| Path | Synopsis |
|---|---|
|
Package api provides clients for the HTTP APIs.
|
Package api provides clients for the HTTP APIs. |
|
prometheus/v1
Package v1 provides bindings to the Prometheus HTTP API v1: http://prometheus.io/docs/querying/api/
|
Package v1 provides bindings to the Prometheus HTTP API v1: http://prometheus.io/docs/querying/api/ |
|
examples
|
|
|
createdtimestamps
command
|
|
|
customlabels
command
|
|
|
exemplars
command
|
|
|
gocollector
command
A minimal example of how to include Prometheus instrumentation.
|
A minimal example of how to include Prometheus instrumentation. |
|
middleware
command
|
|
|
middleware/httpmiddleware
Package httpmiddleware is adapted from https://github.com/bwplotka/correlator/tree/main/examples/observability/ping/pkg/httpinstrumentation
|
Package httpmiddleware is adapted from https://github.com/bwplotka/correlator/tree/main/examples/observability/ping/pkg/httpinstrumentation |
|
random
command
A simple example exposing fictional RPC latencies with different types of random distributions (uniform, normal, and exponential) as Prometheus metrics.
|
A simple example exposing fictional RPC latencies with different types of random distributions (uniform, normal, and exponential) as Prometheus metrics. |
|
simple
command
A minimal example of how to include Prometheus instrumentation.
|
A minimal example of how to include Prometheus instrumentation. |
|
versioncollector
command
A minimal example of how to include Prometheus instrumentation.
|
A minimal example of how to include Prometheus instrumentation. |
|
exp
module
|
|
|
internal
|
|
|
github.com/golang/gddo/httputil/header
Package header provides functions for parsing HTTP headers.
|
Package header provides functions for parsing HTTP headers. |
|
Package prometheus is the core instrumentation package.
|
Package prometheus is the core instrumentation package. |
|
collectors
Package collectors provides implementations of prometheus.Collector to conveniently collect process and Go-related metrics.
|
Package collectors provides implementations of prometheus.Collector to conveniently collect process and Go-related metrics. |
|
graphite
Package graphite provides a bridge to push Prometheus metrics to a Graphite server.
|
Package graphite provides a bridge to push Prometheus metrics to a Graphite server. |
|
promauto
Package promauto provides alternative constructors for the fundamental Prometheus metric types and their …Vec and …Func variants.
|
Package promauto provides alternative constructors for the fundamental Prometheus metric types and their …Vec and …Func variants. |
|
promhttp
Package promhttp provides tooling around HTTP servers and clients.
|
Package promhttp provides tooling around HTTP servers and clients. |
|
promhttp/zstd
Package zstd activates support for zstd compression.
|
Package zstd activates support for zstd compression. |
|
push
Package push provides functions to push metrics to a Pushgateway.
|
Package push provides functions to push metrics to a Pushgateway. |
|
testutil
Package testutil provides helpers to test code using the prometheus package of client_golang.
|
Package testutil provides helpers to test code using the prometheus package of client_golang. |
|
testutil/promlint
Package promlint provides a linter for Prometheus metrics.
|
Package promlint provides a linter for Prometheus metrics. |
|
tutorials
|
|
|
whatsup
module
|