Name	Name	Last commit message	Last commit date
parent directory ..
attributes	attributes
recipes	recipes
templates	templates
README.md	README.md
metadata.json	metadata.json
metadata.rb	metadata.rb

Description

This cookbook is used to configure a system as a Chef Client.

Requirements

Chef 0.9.12 or higher is required.

Platforms

The following platforms are supported by this cookbook, meaning that the recipes run on these platforms without error.

Debian
Ubuntu
Red Hat
CentOS
Fedora
ArchLinux
FreeBSD
Mac OS X

Opscode Cookbooks

Other cookbooks can be used with this cookbook but they are not explicitly required. The default settings in this cookbook do not require their use. The other cookbooks (on community.opsocde.com) are:

bluepill
daemontools
runit

See USAGE below.

Attributes

node["chef_client"]["interval"] - Sets Chef::Config[:interval] via command-line option for number of seconds between chef-client daemon runs. Default 1800.
node["chef_client"]["splay"] - Sets Chef::Config[:splay] via command-line option for a random amount of seconds to add to interval. Default 20.
node["chef_client"]["log_dir"] - Sets directory used in Chef::Config[:log_location] via command-line option to a location where chef-client should log output. Default "/var/log/chef".
node["chef_client"]["conf_dir"] - Sets directory used via command-line option to a location where chef-client search for the client config file . Default "/etc/chef".
node["chef_client"]["bin"] - Sets the full path to the chef-client binary. Mainly used to set a specific path if multiple versions of chef-client exist on a system or the bin has been installed in a non-sane path. Default "/usr/bin/chef-client"
node["chef_client"]["server_url"] - Sets Chef::Config[:chef_server_url] in the config file to the Chef Server URI. Default "http://localhost:4000". See USAGE.
node["chef_client"]["validation_client_name"] - Sets Chef::Config[:validation_client_name] in the config file to the name of the validation client. Default "chef-validator". See USAGE.
node["chef_client"]["init_style"] - Sets up the client service based on the style of init system to use. Default is based on platform and falls back to "none". See USAGE.
node["chef_client"]["run_path"] - Directory location where chef-client should write the PID file. Default based on platform, falls back to "/var/run".
node["chef_client"]["cache_path"] - Directory location for Chef::Config[:file_cache_path] where chef-client will cache various files. Default is based on platform, falls back to "/var/chef/cache".
node["chef_client"]["backup_path"] - Directory location for Chef::Config[:file_backup_path] where chef-client will backup templates and cookbook files. Default is based on platform, falls back to "/var/chef/backup".
node["chef_client"]["cron"]["minute"] - The hour that chef-client will run as a cron task, only applicable if the you set "cron" as the "init_style"
node["chef_client"]["cron"]["hour"] - The hour that chef-client will run as a cron task, only applicable if the you set "cron" as the "init_style"

Recipes

This section describes the recipes in the cookbook and how to use them in your environment.

config

Sets up the /etc/chef/client.rb config file from a template and reloads the configuration for the current chef-client run.

service

Use this recipe on systems that should have a chef-client daemon running, such as when Knife bootstrap was used to install Chef on a new system.

This recipe sets up the chef-client service depending on the init_style attribute (see above). The following init styles are supported:

init - uses the init script included in the chef gem, supported on debian and redhat family distributions.
upstart - uses the upstart job included in the chef gem, supported on ubuntu.
arch - uses the init script included in this cookbook for ArchLinux, supported on arch.
runit - sets up the service under runit, supported on ubuntu, debian and gentoo.
bluepill - sets up the service under bluepill. As bluepill is a pure ruby process monitor, this should work on any platform.
daemontools -sets up the service under daemontools, supported on debian, ubuntu and arch
bsd - prints a message about how to update BSD systems to enable the chef-client service, supported on Free/OpenBSD and OSX.

default

Includes the chef-client::service recipe by default.

`delete_validation`

Use this recipe to delete the validation certificate (default /etc/chef/validation.pem) when using a chef-client after the client has been validated and authorized to connect to the server.

Beware if using this on your Chef Server. First copy the validation.pem certificate file to another location, such as your knife configuration directory (~/.chef) or Chef Repository.

cron

Use this recipe to run chef-client as a cron job rather than as a service. The cron job runs after random delay that is between 0 and 90 seconds to ensure that the chef-clients don't attempt to connect to the chef-server at the exact same time. You should set node["chef_client"]["init_style"] = "none" when you use this mode but it is not required.

USAGE

Create a base role that will represent the base configuration for any system that includes managing aspects of the chef-client. Add recipes to the run list of the role, customize the attributes, and apply the role to nodes. For example, the following role (Ruby DSL) will set the init style to init, delete the validation certificate (as the client would already be authenticated) and set up the chef-client as a service using the init style.

name "base"
description "Base role applied to all nodes"
override_attributes(
  "chef_client" => {
    "init_style" => "init"
  }
)
run_list(
  "recipe[chef-client::delete_validation]",
  "recipe[chef-client::config]",
  "recipe[chef-client::service]"
)

The chef-client::config recipe is only required with init style init (default setting for the attribute on debian/redhat family platforms, because the init script doesn't include the pid_file option which is set in the config.

The default Chef Server will be http://localhost:4000 which is the Chef::Config[:chef_server_url] default value. To use the config recipe with the Opscode Platform, for example, add the following to the override_attributes

override_attributes(
  "chef_client" => {
    "server_url" => "https://api.opscode.com/organizations/ORGNAME",
    "validation_client_name" => "ORGNAME-validator"
  }
)

Where ORGNAME is your Opscode Platform organization name. Be sure to add these attributes to the role if modifying per the section below.

You can also set all of the Chef::Config http proxy related settings. By default Chef will not use a proxy.

override_attributes(
  "chef_client" => {
    "http_proxy" => "http://proxy.vmware.com:3128",
    "https_proxy" => "http://proxy.vmware.com:3128",
    "http_proxy_user" => "my_username",
    "http_proxy_pass" => "Awe_some_Pass_Word!",
    "no_proxy" => "*.vmware.com,10.*"
  }
)

Alternate Init Styles

The alternate init styles available are:

runit
bluepill
daemontools
none -- should be specified if you are running chef-client as cron job

For usage, see below.

Runit

To use runit, download the cookbook from the cookbook site.

knife cookbook site vendor runit -d

Change the init_style to runit in the base role and add the runit recipe to the role's run list:

name "base"
description "Base role applied to all nodes"
override_attributes(
  "chef_client" => {
    "init_style" => "runit"
  }
)
run_list(
  "recipe[chef-client::delete_validation]",
  "recipe[runit]",
  "recipe[chef-client]"
)

The chef-client recipe will create the chef-client service configured with runit. The runit run script will be located in /etc/sv/chef-client/run. The output log will be in the runit service directory, /etc/sv/chef-client/log/main/current.

Bluepill

To use bluepill, download the cookbook from the cookbook site.

knife cookbook site vendor bluepill -d

Change the init_style to runit in the base role and add the bluepill recipe to the role's run list:

name "base"
description "Base role applied to all nodes"
override_attributes(
  "chef_client" => {
    "init_style" => "bluepill"
  }
)
run_list(
  "recipe[chef-client::delete_validation]",
  "recipe[bluepill]",
  "recipe[chef-client]"
)

The chef-client recipe will create the chef-client service configured with bluepill. The bluepill "pill" will be located in /etc/bluepill/chef-client.pill. The output log will be to client.log file in the node["chef_client"]["log_dir"] location, /var/log/chef/client by default.

Daemontools

To use daemontools, download the cookbook from the cookbook site.

knife cookbook site vendor daemontools -d

Change the init_style to runit in the base role and add the daemontools recipe to the role's run list:

name "base"
description "Base role applied to all nodes"
override_attributes(
  "chef_client" => {
    "init_style" => "daemontools"
  }
)
run_list(
  "recipe[chef-client::delete_validation]",
  "recipe[daemontools]",
  "recipe[chef-client]"
)

The chef-client recipe will create the chef-cilent service configured under daemontools. It uses the same sv run scripts as the runit recipe. The run script will be located in /etc/sv/chef-client/run. The output log will be in the daemontools service directory, /etc/sv/chef-client/log/main/current.

Templates

chef-client.pill.erb

Bluepill configuration for the chef-client service.

client.rb.erb

Configuration for the client, lands in directory specified by node["chef_client"]["conf_dir"] (/etc/chef/client.rb by default).

`sv-chef-client-*run.erb`

Runit and Daemontools run script for chef-client service and logs.

Logs will be located in the node["chef_client"]["log_dir"].

Changes/Roadmap

Future

windows platform support

1.0.4:

[COOK-670] - Added Solaris service-installation support for chef-client cookbook.
[COOK-781] - chef-client service recipe fails with chef 0.9.x

1.0.2:

[CHEF-2491] init scripts should implement reload

1.0.0:

[COOK-204] chef::client pid template doesn't match package expectations
[COOK-491] service config/defaults should not be pulled from Chef gem
[COOK-525] Tell bluepill to daemonize chef-client command
[COOK-554] Typo in backup_path
[COOK-609] chef-client cookbook fails if init_type is set to upstart and chef is installed from deb
[COOK-635] Allow configuration of path to chef-client binary in init script

License and Author

Author:: Joshua Timberman ([email protected]) Author:: Seth Chisamore ([email protected]) Copyright:: 2010-2011, Opscode, Inc.

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

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chef-client

chef-client

README.md

Description

Requirements

Platforms

Opscode Cookbooks

Attributes

Recipes

config

service

default

`delete_validation`

cron

USAGE

Alternate Init Styles

Runit

Bluepill

Daemontools

Templates

chef-client.pill.erb

client.rb.erb

`sv-chef-client-*run.erb`

Changes/Roadmap

Future

1.0.4:

1.0.2:

1.0.0:

License and Author

Files

chef-client

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parent directory

README.md

Description

Requirements

Platforms

Opscode Cookbooks

Attributes

Recipes

config

service

default

delete_validation

cron

USAGE

Alternate Init Styles

Runit

Bluepill

Daemontools

Templates

chef-client.pill.erb

client.rb.erb

sv-chef-client-*run.erb

Changes/Roadmap

Future

1.0.4:

1.0.2:

1.0.0:

License and Author

`delete_validation`

`sv-chef-client-*run.erb`