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varnish_ng (3) Versions 0.1.4

Installs/Configures varnish

Berkshelf/Librarian
Policyfile
Knife
cookbook 'varnish_ng', '~> 0.1.4'
cookbook 'varnish_ng', '~> 0.1.4', :supermarket
knife cookbook site install varnish_ng
knife cookbook site download varnish_ng
README
Dependencies
Changelog
Quality 56%

varnish_ng Cookbook

Build Status

This is a Chef cookbook to manage Varnish using LWRP.

Traditionally, system runs a single Varnish service with multiple instances and multiple vhost.

This cookbook provide even more flexibility and ease of management to Varnish, by setting up multiple varnish services separated from each other.

All the funcationality of a single varnish service remains the same for each LWRP resources created varnish service.

Each varnish service created by LWRP is a separate varnish service (instance) running with its own unique configuration.

More features and attributes will be added over time, feel free to contribute what you find missing!

Repository

https://github.com/vkhatri/chef-varnish-ng

Supported Platforms

This cookbook was tested on Ubuntu 14.04 and Amazon 2014-09 AMI. This cookbook is expected to work for CentOS, RedHat & Fedora, but not yet tested.

Supported Varnish Version

This cookbook was tested for Varnish version 4.0. This cookbook is expected to work with Varnish version 3.0, but not yet tested.

Supported Install Types

Currently Varnish installation is supported ONLY via Repository Packages.

Recipes

  • varnish::default - recipe to install and configure varnish
  • varnish::install - recipe to install varnish
  • varnish::config - recipe to configure basic varnish directories/files and disable default
  • varnish::instance - recipe to create a dummy LWRP resource, e.g. for vagrant testing

Default varnish* Service

By default, recipe vanrish_ng::config disables default varnish service which can be controlled by node attribute node['varnish']['disable_default'].

Instead of managing default varnish configuration & service, this cookbook can manage more than one varnish service as a separate instance. Hence, default varnish service is disabled by default.

This cookbook does not manage default varnish configuration and service, it can only makes sure that default varnish* service are not running. Default varnish* service management is not in the scope of this cookbook.

Custom Varnish Reload Script

This cookbook creates a custom varnish service reload script to reload varnish service for a given instance sysconf file.

Script location - node['varnish']['varnish_reload_exec']

LWRP - Varnish Instance

Recipe default installs required varnish packages and configures common log, storage and other directories/files common for LWRP varnish resources.

This cookbook utilizes the main feature of varnish so caled - instance. For each LWRP resource this cookbook creates a separate unique varnish service as an instance.

Each LWRP resource is a different varnish service and created with -n INSTANCE where LWRP resource name is varnish instance name passed to each LWRP resource service.

One can create multiple varnish services / instances using default LWRP. Each LWRP created resource service has its own congiguration, storage directory etc.

All LWRP resources shares a commong storage directory location and log directory location, but as each has its own instance name - all LWRP resources service are separated & not related to each other.

LWRP Instance VCL File examples

varnish_ng 'varnish instance name' do
  notify_restart true
  enable_varnishlog false
  enable_varnishncsa true
  listen_port 80
  vcl_conf_cookbook 'varnish_wrapper'
  vcl_conf_file 'default.vcl'
  service_supports :restart => true, :start => true, :stop => true, :reload => true
  admin_listen_port 81
  options :tcp_keepalive_time => 3600
end

LWRP Instance VCL Template examples

varnish_ng 'varnish instance name' do
  notify_restart true
  enable_varnishlog false
  enable_varnishncsa true
  listen_port 80
  vcl_conf_cookbook 'varnish_wrapper'
  vcl_conf_template 'default.vcl.erb'
  vcl_conf_template_attrs :param => value # if any
  service_supports :restart => true, :start => true, :stop => true, :reload => true
  admin_listen_port 81
  options :tcp_keepalive_time => 3600
end

LWRP Resource attributes

Parameters:

  • action (optional) - default :create, options: :create, :delete
  • enable_varnishlog (optional, TrueClass/FalseClass) - enable/disable varnishlog service
  • enable_varnishncsa (optional, TrueClass/FalseClass) - enable/disable varnishncsa service
  • varnishncsa_format (optional, String) - varnishncsa log format
  • service_supports (optional, Hash) - varnish* services chef service resource attribute supports
  • service_action (optional, Array) - varnish* services chef service resource attribute action
  • notify_restart (optional, TrueClass/FalseClass) - notifies varnish* service on config resource update
  • start (optional, TrueClass/FalseClass) - whether to start varnish service, for debian platform_family
  • storage_type (optional, String) - varnish storage type, options: memory, file
  • storage_size (optional, String) - varnish storage size
  • listen_address (optional, String) - varnish listen address
  • listen_port (required, String/Integer) - varnish listen port
  • admin_listen_address (optional, String) - varnish admin listen address
  • admin_listen_port (optional, String/Integer) - varnish admin listen port
  • nfiles (optional, String/Integer) - varnish service ulimit attribute nfiles
  • memlock (optional, String/Integer) - varnish service ulimit attribute memlock
  • nprocs (optional, String/Integer) - varnish service ulimit attribute nprocs
  • corefile (optional, String/Integer) - varnish service ulimit attribute corefile
  • reload_vcl (optional, String/Integer) - varnish init service attribute
  • ttl (optional, String/Integer) - varnish parameter ttl
  • options (optional, Hash) - varnish extra service parameter key/value pair
  • vcl_conf_cookbook (optional, String) - varnish vcl conf cookbook name
  • vcl_conf_file (optional, String) - varnish vcl conf file name
  • vcl_conf_template (optional, String) - varnish vcl conf template name
  • vcl_conf_template_attrs (optional, Hash) - varnish vcl conf template attribute if any

Cookbook Core Attributes

  • default['varnish']['manage'] (default: version): varnish package repository version

  • default['varnish']['user'] (default: varnish): varnish user

  • default['varnish']['group'] (default: varnish): varnish group

  • default['varnish']['log_user'] (default: calculated): varnish log service user

  • default['varnish']['log_group'] (default: calculated): varnish log service group

  • default['varnish']['conf_dir'] (default: /etc/varnish): varnish configuration directory

  • default['varnish']['sysconf_dir'] (default: calculated): varnish service sysconf directory

  • default['varnish']['log_dir'] (default: /var/log/varnish): varnish log directory

  • default['varnish']['storage_dir'] (default: /var/lib/varnish): varnish storage directory

  • default['varnish']['manage_secret'] (default: false): whether to manage varnish secret file content

  • default['varnish']['secret'] (default: nil): varnish secret file content

  • default['varnish']['secret_file'] (default: /etc/varnish/secret): varnish secret file

  • default['varnish']['disable_default'] (default: true): disable varnish default service

  • default['varnish']['varnish_reload_exec'] (default: calculated): varnish init service reload shell script location

Cookbook Repository Attributes

  • default['varnish']['yum']['enable'] (default: true): varnish repo yum attribute

  • default['varnish']['yum']['description'] (default: varnish cache): varnish repo yum attribute

  • default['varnish']['yum']['gpgcheck'] (default: true): varnish repo yum attribute

  • default['varnish']['yum']['gpgkey'] (default: ): varnish repo yum attribute

  • default['varnish']['yum']['action'] (default: :create): varnish repo yum attribute

  • default['varnish']['apt']['uri'] (default: ...): varnish repo apt attribute

  • default['varnish']['apt']['enable'] (default: true): varnish repo apt attribute

  • default['varnish']['apt']['distribution'] (default: calculated): varnish repo apt attribute

  • default['varnish']['apt']['components'] (default: calculated): varnish repo apt attribute

  • default['varnish']['apt']['keyserver'] (default: keyserver.ubuntu.com): varnish repo apt attribute

  • default['varnish']['apt']['key'] (default: C4DEFFEB): varnish4 repo apt attribute

  • default['varnish']['apt']['deb_src'] (default: true): varnish repo apt attribute

  • default['varnish']['apt']['action'] (default: :add): varnish repo apt attribute

Cookbook LWRP Resource Default Attributes

  • default['varnish']['instance']['enable_varnishlog'] (default: false): whether to setup varnishlog service

  • default['varnish']['instance']['enable_varnishncsa'] (default: true): whether to setup varnishncsa service

  • default['varnish']['instance']['ncsa_log_format'] (default: ...): varnishncsa service log format

  • default['varnish']['instance']['service_supports'] (default: nil): varnish service supports attribute

  • default['varnish']['instance']['service_action'] (default: [:start, :enable]): varnish service action attribute

  • default['varnish']['instance']['notify_restart'] (default: true): whether to notify varnish service on resource update

  • default['varnish']['instance']['storage_type'] (default: file): varnish service storage type

  • default['varnish']['instance']['storage_size'] (default: 1G): varnish service storage size

  • default['varnish']['instance']['nfiles'] (default: 131072): varnish service parameter nfiles, LWRP default value

  • default['varnish']['instance']['memlock'] (default: 82000): varnish service parameter memlock, LWRP default value

  • default['varnish']['instance']['nprocs'] (default: unlimited): varnish service parameter nprocs, LWRP default value

  • default['varnish']['instance']['corefile'] (default: unlimited): varnish service parameter corefile, LWRP default value

  • default['varnish']['instance']['reload_vcl'] (default: 1): varnish service parameter reload_vcl, LWRP default value

  • default['varnish']['instance']['ttl'] (default: 3600): varnish service parameter ttl, LWRP default value

  • default['varnish']['instance']['options'] (default: {}): varnish service -p .. parameters

  • default['varnish']['instance']['vcl_conf_cookbook'] (default: varnish_ng): varnish vcl cookbook

  • default['varnish']['instance']['vcl_conf_file'] (default: nil): varnish vcl file, overrides vcl_conf_template attribute

  • default['varnish']['instance']['vcl_conf_template'] (default: nil): varnish vcl template

  • default['varnish']['instance']['vcl_conf_template_attrs'] (default: {}): varnish vcl template attributes if any

  • default['varnish']['instance']['start'] (default: yes): varnish init service attribute START for debian platform_family

Contributing

  1. Fork the repository on Github
  2. Create a named feature branch (like add_component_x)
  3. Write your change
  4. Write tests for your change (if applicable)
  5. Run the tests (rake), ensuring they all pass
  6. Write new resource/attribute description to README.md
  7. Write description about changes to PR
  8. Submit a Pull Request using Github

Authors:: Virender Khatri and Contributors

<pre> Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. </pre>

Dependent cookbooks

yum ~> 3.0
apt >= 0.0.0

Contingent cookbooks

There are no cookbooks that are contingent upon this one.

varnish_ng CHANGELOG

This file is used to list changes made in each version of the varnish_ng cookbook.

0.1.4

  • Virender Khatri - fixed typo for varnishncsa service action

  • Virender Khatri - create storage/log dirs recursively

0.1.2

  • Virender Khatri - possibly fixed varnish 3.0 package install on amazon linux

0.1.1

  • Virender Khatri - initial release of varnish_ng

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Collaborator Number Metric
            

0.1.4 failed this metric

Failure: Cookbook has 0 collaborators. A cookbook must have at least 2 collaborators to pass this metric.

Contributing File Metric
            

0.1.4 failed this metric

Failure: To pass this metric, your cookbook metadata must include a source url, the source url must be in the form of https://github.com/user/repo, and your repo must contain a CONTRIBUTING.md file

Foodcritic Metric
            

0.1.4 failed this metric

FC059: LWRP provider does not declare use_inline_resources: varnish_ng/providers/default.rb:1
FC064: Ensure issues_url is set in metadata: varnish_ng/metadata.rb:1
FC065: Ensure source_url is set in metadata: varnish_ng/metadata.rb:1
FC066: Ensure chef_version is set in metadata: varnish_ng/metadata.rb:1
FC069: Ensure standardized license defined in metadata: varnish_ng/metadata.rb:1
Run with Foodcritic Version 12.2.1 with tags metadata,correctness ~FC031 ~FC045 and failure tags any

License Metric
            

0.1.4 passed this metric

No Binaries Metric
            

0.1.4 passed this metric

Publish Metric
            

0.1.4 passed this metric

Supported Platforms Metric
            

0.1.4 passed this metric

Testing File Metric
            

0.1.4 failed this metric

Failure: To pass this metric, your cookbook metadata must include a source url, the source url must be in the form of https://github.com/user/repo, and your repo must contain a TESTING.md file

Version Tag Metric
            

0.1.4 passed this metric