OpenStack Gnocchi Puppet Module
Go to file
ZhongShengping 9ba0be1d64 Prepare Train M4
Update the version metadata for Train milestone 4

Change-Id: Ia5f32146009f617d9f83ee0e1d2422682ff6f367
2019-09-05 09:04:49 +08:00
doc Bump the openstackdocstheme extension to 1.20 2019-08-13 11:29:06 +08:00
examples Merge "Remove deprecated parameters" 2018-06-13 14:19:47 +00:00
lib/puppet Make providers use auth_url for authentication 2018-08-03 11:52:06 +02:00
manifests Merge "Remove deprecated pki related options" 2019-08-19 05:49:51 +00:00
releasenotes Remove deprecated pki related options 2019-08-15 13:38:19 +08:00
spec Configure ceph_secret as secret 2019-08-15 11:14:08 +08:00
.gitignore Dissuade .gitignore references to personal tools 2018-10-08 11:39:23 +08:00
.gitreview OpenDev Migration Patch 2019-04-19 19:34:09 +00:00
.zuul.yaml switch documentation job to new PTI 2018-08-31 08:24:37 -04:00
CHANGELOG.md Update and replace http with https for doc links 2017-09-20 19:00:52 -07:00
Gemfile Move to opendev 2019-04-21 14:44:48 +08:00
LICENSE First commit with basic structure 2014-12-29 13:46:13 +01:00
README.md Fix Repository 2019-04-21 12:59:08 +08:00
Rakefile Use puppet-openstack_spec_helper for Rakefile & spec_helper_acceptance 2016-01-28 04:08:48 +00:00
bindep.txt Add Puppet package to bindep, for module build 2017-10-27 13:12:41 -07:00
metadata.json Prepare Train M4 2019-09-05 09:04:49 +08:00
setup.cfg Change openstack-dev to openstack-discuss 2018-12-02 18:19:51 +01:00
setup.py Add basic structure for ReNo 2016-03-14 08:28:29 -04:00
tox.ini Move to opendev 2019-04-21 14:44:48 +08:00

README.md

Team and repository tags

Team and repository tags

puppet-gnocchi

Table of Contents

  1. Overview - What is the gnocchi module?
  2. Module Description - What does the module do?
  3. Setup - The basics of getting started with gnocchi
  4. Implementation - An under-the-hood peek at what the module is doing
  5. Limitations - OS compatibility, etc.
  6. Development - Guide for contributing to the module
  7. Contributors - Those with commits
  8. Release Notes - Release notes for the project
  9. Repository - The project source code repository

Overview

The gnocchi module is a part of OpenStack, an effort by the OpenStack infrastructure team to provide continuous integration testing and code review for OpenStack and OpenStack community projects as part of the core software. The module itself is used to flexibly configure and manage the management service for OpenStack.

Module Description

Setup

What the gnocchi module affects:

  • Gnocchi, the HTTP API to store metrics and index resources for OpenStack (OpenStack Datapoint Service).

Installing gnocchi

puppet module install openstack/gnocchi

Implementation

gnocchi

gnocchi is a combination of Puppet manifest and ruby code to delivery configuration and extra functionality through types and providers.

Types

gnocchi_config

The gnocchi_config provider is a children of the ini_setting provider. It allows one to write an entry in the /etc/gnocchi/gnocchi.conf file.

gnocchi_config { 'DEFAULT/debug' :
  value => true,
}

This will write debug=true in the [DEFAULT] section.

name

Section/setting name to manage from gnocchi.conf

value

The value of the setting to be defined.

secret

Whether to hide the value from Puppet logs. Defaults to false.

ensure_absent_val

If value is equal to ensure_absent_val then the resource will behave as if ensure => absent was specified. Defaults to <SERVICE DEFAULT>

Limitations

Load balancing Gnocchi MySQL with HAProxy

Issue

MySQL client/server interaction causes an issue where the HAProxy server will keep a connection in TIME_WAIT. When Gnocchi is processing data it will generate a lot of connections to MySQL and exhaust all available tcp ports for a given IP address. If the HAProxy VIP is shared with other components, this can cause them to be unavailable too. Tuning of HAProxy instance is essential when using Gnocchi with a MySQL behind an HAProxy.

The sysctl parameters need tuning.

  • net.ipv4.tcp_tw_reuse = 1
  • net.core.somaxconn = 4096
  • net.ipv4.tcp_max_syn_backlog = 60000

Additionally, HAProxy can be configured to use different source IP addresses on each backend to help further mitigate the issue.

Development

Developer documentation for the entire puppet-openstack project.

Contributors

The github contributor graph.

Release Notes

Repository