Version information
released Feb 20th 2017
This version is compatible with:
- Puppet Enterprise >= 3.2.0 < 5.0.0
- Puppet >= 3.0.0 < 5.0.0
- , ,
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Add this module to your Puppetfile:
mod 'ericsson-cgroups', '2.1.1'Learn more about managing modules with a PuppetfileDocumentation
ericsson/cgroups — version 2.1.1 Feb 20th 2017
puppet-module-cgroups
Manage cgroups configuration service and files.
- /etc/cgconfig.conf
- /etc/cgconfig.d/*.conf
Compatibility
This module has been tested to work on the following systems with Puppet v3 (with and without the future parser) and Puppet v4 (with strict variables) using Ruby versions 1.8.7 (Puppet v3 only), 1.9.3, 2.0.0, 2.1.0 and 2.3.1.
- EL 6
- EL 7
- SLED 11 SP2
- SLES 11 SP2
Class cgroups
Description
The cgroups class is used to configure the cgroup service and its main configuration details.
Parameters
cgconfig_content (string)
Optional, specify arbitary content for the cgconfig.conf file that will be included at the bottom.
- Default: undef
config_file_path (string)
Absolute path to cgroups config file.
- Default: '/etc/cgconfig.conf'
groups (hash)
A hash containing group resources to be configured (see below for cgroups::group resources)
- Default: undef
Example:
cgroups::groups:
"user/mgw-all":
permissions:
task:
uid: root
gid: mgw-all
admin:
uid: root
gid: mgw-all
controllers:
cpuset:
"cpuset.mems": "0"
"cpuset.cpus": "0,1"
Hiera example with Suse 11.2 bugfix:
cgroups::user_path_fix: '/sys/fs/cgroup/user/mgw-all'
cgroups::groups:
"user/mgw-all":
permissions:
task:
uid: root
gid: mgw-all
admin:
uid: root
gid: mgw-all
controllers:
cpuset:
"cpuset.mems": "0"
"cpuset.cpus": "0,1"
mounts (hash)
A hash containing mounts to be configured in /etc/cgconfig.conf. NOTE: On systemd managed systems, the default resource controllers are the domain of systemd, therefore this setting should probably not be used unless you are managing a controller not yet supported by systemd such as net_prio.
- Default: undef
Example:
cgroups::mounts:
cpu: '/cgroup'
package_name (string or array)
Name of package(s) that enables cgroups. Only set it to overwrite the modules defaults: RedHat 'libcgroup', Suse 'libcgroup1'.
- Default: undef
service_name (string)
Name of service to manage.
- Default: 'cgconfig'
user_path_fix (string)
Absolute path to set 0775 permissions on when defined. This is a fix for Suse that have a bug in setting this though the config file. Only available on Suse.
- Default: undef
Defined type cgroups::group
Description
The cgroups::group definition is used to configure cgroup entries in /etc/cgconfig.d.
You can also specify cgroups::groups from hiera as a hash of group resources and they will be created by the base class using create_resources.
Parameters
controllers (hash)
An optional hash containing the controllers for the group.
- Default: undef
Example:
controllers => {
'cpuset' => {
'cpuset.mems' => '0',
'cpuset.cpus' => '0,1'
}
}
permissions (hash)
An optional hash containing permissions for the group.
- Default: undef
Example:
permissions => {
'task' => {
'uid' => 'root',
'gid' => 'mgw-all',
},
'admin' => {
'uid' => 'root',
'gid' => 'mgw-all',
},
}
target_path (string)
Optional parameter to define in which path the configuration file should be put. By default the module will use the /etc/cgconfig.d directory.
- Default: '/etc/cgconfig.d'
Full example
cggroups::group { 'mgw/user':
permissions => {
'task' => {
'uid' => 'root',
'gid' => 'mgw-all',
},
'admin' => {
'uid' => 'root',
'gid' => 'mgw-all',
},
},
controllers => {
'cpuset' => {
'cpuset.mems' => '0',
'cpuset.cpus' => '0,1'
}
}
}
puppet-module-cgroups
Changelog
##2017-02-20 - Release 2.1.1 Document class and define to appease Puppetlabs Forge
##2017-02-20 - Release 2.1.0 Support Puppet up to 4.9 and Ruby 2.3.1
##2016-06-01 - Release 2.0.1 Add support for RedHat 7
##2016-05-31 - Release 2.0.0 ###Breaking News
This release breaks with backward compatibility.
functionality / parameters that have been removed:
cgroups::cgconfig_mount
To keep the old behaviour with hiera you can add the old default values to your osfamily-release structure (eg %{osfamily}-%{operatingsystemrelease})
RedHat-6.yaml:
cgroups::mounts:
cpu: '/cgroup'
Suse-11.yaml:
cgroups::mounts:
cpu: '/sys/fs/cgroup'
Do not use this fix on RedHat 7 clients until you know exactly what you are doing.
####Features
- Add cgroups::mount parameter without hard coded defaults for more flexibility as successor of cgconfig_mount.
- Add cgroups::group defined resource type to place group definitions in the .d directory instead of main configuration file.
- Add cgroups::group::target_path to allow usage of specific configuration paths.
- Add cgroups::groups parameter for optionally adding cgroups::group types (via hiera for example).
- Add support for RedHat 7.
####Bugfixes
- Remove usage of $::lsbmajdistrelease in favour of $::operatingsystemrelease .
- Enhance the spec tests to feature much more test cases.
####Upgrading from 1.x When upgrading from version 1.x you need to migrate your cgroups::cgconfig_mount entries into the new cgroups::mounts format. The new format is a hash for greater flexibility. You have to add the subsystem for your mounts.
In most cases it should be good enough to change the parameter name, make it a hash and add the 'cpu' subsystem as key.
#####Hiera Example: old deprecated string format
cgroups::cgconfig_mount: '/cgroup'
new hash format
cgroups::mounts:
cpu: '/cgroup'
Dependencies
- puppetlabs/stdlib (>= 4.6.0 < 6.0.0)
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