116 lines
3.6 KiB
Markdown
116 lines
3.6 KiB
Markdown
# Yanic
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```
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__ __ _
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\ \ / /_ _ _ __ (_) ___
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\ V / _` | '_ \| |/ __|
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Yet another node info collector
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```
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[](https://travis-ci.org/FreifunkBremen/yanic)
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[](https://coveralls.io/github/FreifunkBremen/yanic?branch=master)
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[](https://codecov.io/gh/FreifunkBremen/yanic)
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[](https://goreportcard.com/report/github.com/FreifunkBremen/yanic)
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`yanic` is a respondd client that fetches, stores and publishes information about a Freifunk network. The goals:
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* Generating JSON for [Meshviewer](https://github.com/ffrgb/meshviewer)
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* Storing statistics in [InfluxDB](https://influxdata.com/) or [Graphite](https://graphiteapp.org/) to be analyzed by [Grafana](http://grafana.org/)
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* Provide a little webserver for a standalone installation with a meshviewer
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## How it works
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In the first step Yanic sends a multicast message to the group `ff02:0:0:0:0:0:2:1001` and port `1001`.
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Recently seen nodes that does not reply are requested via a unicast message.
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## [Documentation](https://www.gitbook.com/book/freifunkbremen/yanic/details)
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* [Webview](https://freifunkbremen.gitbooks.io/yanic/content/)
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* [PDF](https://www.gitbook.com/download/pdf/book/freifunkbremen/yanic)
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* [Mobi](https://www.gitbook.com/download/mobi/book/freifunkbremen/yanic)
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* [ePUB](https://www.gitbook.com/download/epub/book/freifunkbremen/yanic)
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## Configuration
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Read comments in [config_example.toml](config_example.toml) for more information.
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## Running
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Yanic provides several commands:
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### Usage
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Run Yanic without any arguments to get the usage information:
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```
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Usage:
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yanic [command]
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Available Commands:
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help Help about any command
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import Imports global statistics from the given RRD files, requires InfluxDB
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query Sends a query on the interface to the destination and waits for a response
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serve Runs the yanic server
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Flags:
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-h, --help help for yanic
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--timestamps Enables timestamps for log output
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Use "yanic [command] --help" for more information about a command.
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```
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#### Serve
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```
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Usage:
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yanic serve [flags]
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Examples:
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yanic serve --config /etc/yanic.toml
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Flags:
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-c, --config string Path to configuration file (default "config.toml")
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-h, --help help for serve
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```
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#### Import
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```
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Usage:
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yanic import <file.rrd> [flags]
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Examples:
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yanic import --config /etc/yanic.toml olddata.rrd
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Flags:
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-c, --config string Path to configuration file (default "config.toml")
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-h, --help help for import
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```
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#### Query
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```
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Usage:
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yanic query <interface> <destination> [flags]
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Examples:
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yanic query wlan0 "fe80::eade:27ff:dead:beef"
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Flags:
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-h, --help help for query
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--wait int Seconds to wait for a response (default 1)
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```
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### Live
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* [meshviewer](https://map.bremen.freifunk.net) **Freifunk Bremen** with a patch to show state-version of `nodes.json`
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* [grafana](https://grafana.bremen.freifunk.net) **Freifunk Bremen** show data of InfluxDB
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## Related projects
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Collecting data from respondd:
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* [HopGlass Server](https://github.com/plumpudding/hopglass-server) written in Node.js
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Respondd for servers:
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* [ffnord-alfred-announce](https://github.com/ffnord/ffnord-alfred-announce) from FreiFunkNord
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* [respondd](https://github.com/Sunz3r/ext-respondd) from Sunz3r
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