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The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more.
alertinganalyticsbusiness-intelligencedashboarddata-visualizationelasticsearchgografanahacktoberfestinfluxdbmetricsmonitoringmysqlpostgresprometheus
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* pkg/web: closure-style middlewares Switches the middleware execution model from web.Handlers in a slice to web.Middleware. Middlewares are temporarily kept in a slice to preserve ordering, but prior to execution they are applied, forming a giant call-stack, giving granular control over the execution flow. * pkg/middleware: adapt to web.Middleware * pkg/middleware/recovery: use c.Req over req c.Req gets updated by future handlers, while req stays static. The current recovery implementation needs this newer information * pkg/web: correct middleware ordering * pkg/webtest: adapt middleware * pkg/web/hack: set w and r onto web.Context By adopting std middlewares, it may happen they invoke next(w,r) without putting their modified w,r into the web.Context, leading old-style handlers to operate on outdated fields. pkg/web now takes care of this * pkg/middleware: selectively use future context * pkg/web: accept closure-style on Use() * webtest: Middleware testing adds a utility function to web/webtest to obtain a http.ResponseWriter, http.Request and http.Handler the same as a middleware that runs would receive * *: cleanup * pkg/web: don't wrap Middleware from Router * pkg/web: require chain to write response * *: remove temp files * webtest: don't require chain write * *: cleanup |
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The open-source platform for monitoring and observability
Grafana allows you to query, visualize, alert on and understand your metrics no matter where they are stored. Create, explore, and share dashboards with your team and foster a data-driven culture:
- Visualizations: Fast and flexible client side graphs with a multitude of options. Panel plugins offer many different ways to visualize metrics and logs.
- Dynamic Dashboards: Create dynamic & reusable dashboards with template variables that appear as dropdowns at the top of the dashboard.
- Explore Metrics: Explore your data through ad-hoc queries and dynamic drilldown. Split view and compare different time ranges, queries and data sources side by side.
- Explore Logs: Experience the magic of switching from metrics to logs with preserved label filters. Quickly search through all your logs or streaming them live.
- Alerting: Visually define alert rules for your most important metrics. Grafana will continuously evaluate and send notifications to systems like Slack, PagerDuty, VictorOps, OpsGenie.
- Mixed Data Sources: Mix different data sources in the same graph! You can specify a data source on a per-query basis. This works for even custom datasources.
Get started
Unsure if Grafana is for you? Watch Grafana in action on play.grafana.org!
Documentation
The Grafana documentation is available at grafana.com/docs.
Contributing
If you're interested in contributing to the Grafana project:
- Start by reading the Contributing guide.
- Learn how to set up your local environment, in our Developer guide.
- Explore our beginner-friendly issues.
- Look through our style guide and Storybook.
Get involved
- Follow @grafana on Twitter.
- Read and subscribe to the Grafana blog.
- If you have a specific question, check out our discussion forums.
- For general discussions, join us on the official Slack team.
License
Grafana is distributed under AGPL-3.0-only. For Apache-2.0 exceptions, see LICENSING.md.