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go-collectd

Utilities for using collectd together with Go.

Synopsis

package main

import (
    "context"
    "time"
    
    "collectd.org/api"
    "collectd.org/exec"
)

func main() {
    vl := api.ValueList{
        Identifier: api.Identifier{
            Host:   exec.Hostname(),
            Plugin: "golang",
            Type:   "gauge",
        },
        Time:     time.Now(),
        Interval: exec.Interval(),
        Values:   []api.Value{api.Gauge(42)},
    }
    exec.Putval.Write(context.Background(), &vl)
}

Description

This is a very simple package and very much a Work in Progress, so expect things to move around and be renamed a lot.

The repository is organized as follows:

  • Package collectd.org/api declares data structures you may already know from the collectd source code itself, such as ValueList.
  • Package collectd.org/exec declares some utilities for writing binaries to be executed with the exec plugin. It provides some utilities (getting the hostname, e.g.) and an executor which you may use to easily schedule function calls.
  • Package collectd.org/format declares functions for formatting ValueLists in other format. Right now, only PUTVAL is implemented. Eventually I plan to add parsers for some formats, such as the JSON export.
  • Package collectd.org/network implements collectd's binary network protocol. It offers client and server implementations, see network.Client and network.ListenAndWrite() for more details.

Install

To use this package in your own programs, simply use go get to fetch the packages you need, for example:

go get collectd.org/api

Author

Florian "octo" Forster <ff at octo.it>