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influxdb_relay

Module for installing and managing influxdb-relay
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Version information

  • 1.0.1 (latest)
  • 1.0.0
released Jul 11th 2017
This version is compatible with:
  • , , , ,

Start using this module

  • r10k or Code Manager
  • Bolt
  • Manual installation
  • Direct download

Add this module to your Puppetfile:

mod 'spacepants-influxdb_relay', '1.0.1'
Learn more about managing modules with a Puppetfile

Add this module to your Bolt project:

bolt module add spacepants-influxdb_relay
Learn more about using this module with an existing project

Manually install this module globally with Puppet module tool:

puppet module install spacepants-influxdb_relay --version 1.0.1

Direct download is not typically how you would use a Puppet module to manage your infrastructure, but you may want to download the module in order to inspect the code.

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Documentation

spacepants/influxdb_relay — version 1.0.1 Jul 11th 2017

InfluxDB Relay module for Puppet

Build Status

Table of Contents

  1. Overview
  2. Module Description - What the module does and why it is useful
  3. Setup - The basics of getting started with InfluxDB Relay
    • [What InfluxDB Relay affects](#what-InfluxDB Relay-affects)
    • Setup requirements
    • [Beginning with InfluxDB Relay](#beginning-with-InfluxDB Relay)
  4. Usage - Configuration options and additional functionality
  5. Reference - An under-the-hood peek at what the module is doing and how
  6. Limitations - OS compatibility, etc.
  7. Development - Guide for contributing to the module

Overview

This module allows you to install and manage InfluxDB Relay.

Module Description

This module installs and configures InfluxDB Relay, a basic high availability layer to InfluxDB.

Setup

InfluxDB Relay prerequisites

  • InfluxDB Relay requires Go 1.5+. This can be done using the dcoxall-golang module.
  • You'll also need git installed and available on your path.

What InfluxDB Relay affects

  • A daemon user. Default: influxdb-relay
  • The data directory. Default: /var/lib/influxdb-relay
  • The log directory. Default: /var/log/influxdb-relay
  • A logrotate rule.
  • The config file.
  • The influxdb-relay service. Note: Service management can be disabled.

Beginning with InfluxDB Relay

Examples

Basic example
include ::influxdb_relay

Out of the box the module will set up a basic config. This sets up an HTTP server listening on the node's IP at port 9096, configured for two InfluxDB HTTP backends running on the same node on ports 7086 and 8086, respectively.

For a node with an FQDN of foo.example.com and an IP of 172.16.254.254, its rendered config file would look like this:

[[http]]
name = "foo.example.com-http"
bind-addr = "172.16.254.254:9096"

output = [
  { name="local1", location="http://172.16.254.254:8086/write", timeout="10s" },
  { name="local2", location="http://172.16.254.254:7086/write", timeout="10s" },
]
Setting HTTP backends

HTTP backends can be declared like in the following example:

class { '::influxdb_relay':
  http_backends => {
    backend1 => {
      location => 'http://10.2.3.4:8086/write',
      params   => {
        timeout => '10s',
      },
    },
    backend2 => {
      location => 'http://10.5.6.7:8086/write',
      params   => {
        timeout => '10s',
      },
    },
  },
}
HTTP backend parameters

Additional options such as buffering failed requests can be accomplished by providing the desired parameters.

class { '::influxdb_relay':
  http_backends => {
    backend1 => {
      location => 'http://10.2.3.4:8086/write',
      params   => {
        'buffer-size-mb'     => 100,
        'max-batch-kb'       => 50,
        'max-delay-interval' => '5s',
      },
    },
  },
}
UDP backends

UDP backends are specified similarly to HTTP backends.

class { '::influxdb_relay':
  udp_backends => {
    backend1 => {
      location => '10.2.3.4:8089',
      params   => {
        mtu => 1024,
      },
    },
  },
}
Enabling SSL

Enabling SSL can be accomplished by providing the filename of the combined PEM certificate.

class { '::influxdb_relay':
  ssl_cert_name => 'certificate.pem',
}

By default, the module presumes that the certificate is in the OS default certificate store, (/etc/ssl on Debian family systems, /etc/pki/tls/certs on RedHat family systems) but this can be overridden by providing the path to the directory.

class { '::influxdb_relay':
  ssl_cert_name => 'certificate.pem',
  ssl_dir       => '/path/to/your/directory',
}

Reference

Classes

Public Classes

  • influxdb_relay: Main class, manages the installation and configuration of influxdb-relay

Private Classes

  • influxdb_relay::install: Installs influxdb-relay
  • influxdb_relay::config: Modifies influxdb-relay configuration files
  • influxdb_relay::service: Manages the influxdb-relay service

Parameters

user

The user to run influxdb-relay as. Default: influxdb-relay

group

The group to run influxdb-relay as. Default: influxdb-relay

manage_service

Whether to manage the influxdb-relay service. Default: true

service_enable

Whether to enable the influxdb-relay service. Default: true

service_ensure

Desired service state. Default: 'running'

http_name

Name of the HTTP server. Default: "${::fqdn}-http"

http_bind_address

TCP address to bind to for HTTP server. Default: $::ipaddress

http_bind_port

TCP port to bind to for HTTP server. Default: 9096

http_backends

A hash of InfluxDB instances to use as HTTP backends for relay. See examples.

udp_name

Name of the UDP server. Default: "${::fqdn}-udp"

udp_bind_address

UDP address to bind to. Default: $::ipaddress

udp_bind_port

UDP port to bind to. Default: 9096

udp_read_buffer

Socket buffer size for incoming connections. Default: 0

precision

Precision to use for timestamps. Default: 'n'

udp_backends

A hash of InfluxDB instances to use as UDP backends for relay. See examples.

ssl_cert_name

Name of the ssl cert file to use for HTTPS requests. Optional.

ssl_dir

Path to the directory of the ssl cert. Defaults to OS default cert store.

cfg_dir

Path to the config file directory. Default: '/etc/influxdb-relay'

data_dir

Path to the influxdb-relay data directory. Default: '/var/lib/influxdb-relay'

log_dir

Path to the influxdb-relay log directory. Default: '/var/log/influxdb-relay'

go_bin_dir

Path to the Go bin path. Default: '/usr/local/go/bin'

go_workspace

Path to the Go workspace. Default: '/usr/local/src/go'

Limitations

This module is currently tested and working on RedHat and CentOS 6, and 7, Debian 7 and 8, and Ubuntu 12.04, 14.04, and 16.04 systems.

Development

Pull requests welcome. Please see the contributing guidelines below.

Contributing

  1. Fork the repo.

  2. Run the tests. We only take pull requests with passing tests, and it's great to know that you have a clean slate.

  3. Add a test for your change. Only refactoring and documentation changes require no new tests. If you are adding functionality or fixing a bug, please add a test.

  4. Make the test pass.

  5. Push to your fork and submit a pull request.