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Gofana



Gofana is a self-contained Grafana web server written in Go with no extra dependencies. It's designed to make it easy to setup a secure, Grafana-based dashboard system with your existing Graphite, InfluxDB or OpenTSDB servers. There is no additional nginx/apache, ElasticSearch installation or configuration required.

It handles dashboard storage so that saved dashboards do not need to be saved in Elasticsearch or within InfluxDB making it easier to maintain and back them up.

It will also proxy Graphite, InfluxDB and OpenTSDB queries to simplifly serving Grafana over HTTPS as well as removing the need for having Grafana query your metrics store directly.

Features

  • Self-contained grafana 1.9.1 release
  • Local file based dashboard storage
  • HTTP and HTTPS server support
  • Basic Authentication Support
  • Graphite, InfluxDB and OpenTSDB proxying
  • Single Linux/OSX binaries
  • OAuth Authentication (coming soon)
  • S3 and other Dashboard Storage (coming soon)

Getting Started

Gofana requires an existing Graphite, InfluxDB
or OpenTSDB installation.

Gofana handles dashboard storage using the local filesystem (in a dashboards directory by default).
When using Graphite or OpenTSDB, you do not need a separate elasticsearch
server for dashboard storage. Similarly, when using InfluxDB, dashboards will not be stored in InfluxDB.

Linux

$ curl -sfL https://github.com/jwilder/gofana/releases/download/v0.0.6/gofana-linux-amd64-v0.0.6.tar.gz | tar xvzf - > gofana
$ gofana -graphite-url http://127.0.0.1:8000

OSX

$ curl -sfL https://github.com/jwilder/gofana/releases/download/v0.0.6/gofana-darwin-amd64-v0.0.6.tar.gz | tar xvzf - > gofana
$ gofana -graphite-url http://127.0.0.1:8000

Docker

$ docker run --name gofana -d -v /mnt/my/dashboard:/app/dashboards -p 80:8080 -p 443:8443 jwilder/gofana -graphite-url http://host:port

Basic Authentication

To password protect your grafana server with HTTP Basic authentication, you can
start gofana with the -auth user:pw option.

$ gofana -graphite-url http://127.0.0.1:8000 -auth user:pw

If you are using Basic authentication, it's a good idea to also use HTTPS.

HTTPS Server

To run gofana over HTTPS, you need a SSL cert and key. To create a self-signed key and certificate:

$ openssl req -x509 -newkey rsa:2048 -keyout key.pem -out cert.pem -days 3650 -nodes

You should have a private key.pem and a public cert.pem in you current directory.

Then start gofana with -ssl-cert and -ssl-key.

$ gofana -graphite-url http://127.0.0.1:8000 -ssl-cert cert.pem -ssl-key key.pem

Bind Address

By default, gofana will listen on port 8080 for HTTP and 8443 for HTTPS. You can use a different port by passing -http-addr and https-addr respectively.

Dashboard Storage

By default, gofana will create a dashboards directory in the directory that gofana was started. You can change this to somewhere else with the -db-dir
option.

$ gofana -db-dir /mnt/gofana/mydashboards

Updating Grafana

Gofana embeds the latest release of Grafana. If you want to run an older or customized version of Grafana you can use the -app-dir option. Note: this is feature is experimental.

$ gofana -app-dir /mnt/grafana-1.8.1

If you want to bundle a new version of Grafana within gofana, see the Development section.

Why Gofana

The installation process for getting a working grafana server is more complicated than expected for a client-side application that runs in the browser. I needed to expose our internal graphite metrics using Grafana dashboards over HTTPS with authentication, but ran into several issues with CORS headers, complicated configuration for nginx and graphite when proxying over SSL, extra dependencies such as running Elasticsearch for storing dashboards, etc...

It really needed to be simpler and so gofana was created make it simpler.

Known Issues

  • Dashboard filtering w/ tags and query language is not implemented yet.

Development

This project uses glock for managing 3rd party dependencies.
You'll need to install glock into your workspace before hacking on gofana.

$ git clone <your fork>
$ glock sync github.com/jwilder/gofana
$ make

License

MIT

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jwilder
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