squid
: Module for configuring the squid caching service. The module will set the SELINUX-context for the cache_dir and port, needs puppet-selinux
squid::config
: Configure the system to use squid config is included in the main classsquid
for parameters seesquid
classsquid::install
: Installs the squid packagesquid::params
: This class manages Squid parameterssquid::service
: Manages the Squid daemon
squid::acl
: Defines acl entries for a squid server.squid::auth_param
: Defines auth_param entries for a squid server.squid::cache
: Defines cache entries for a squid server.squid::cache_dir
: Defines cache_dir entries for a squid server.squid::extra_config_section
: Theextra_config_section
defiend type can be used for configuration directives that have not been exposed individually in this module.squid::http_access
: Defines http_access entries for a squid server.squid::http_port
: Defines http_port entries for a squid server. By setting optionalssl
parameter totrue
will create https_port entries instead.squid::https_port
: Defines https_port entries for a squid server. Results are the same with http_port and ssl set totrue
.squid::icp_access
: Defines icp_access entries for a squid server.squid::refresh_pattern
: Defines refresh_pattern entries for a squid server.squid::send_hit
: Defines send_hit for a squid server.squid::snmp_access
: Defines snmp_access entries for a squid server.squid::snmp_port
: Defines snmp_port entries for a squid server.squid::ssl_bump
: Defines ssl_bump entries for a squid server.squid::sslproxy_cert_error
: Defines sslproxy_cert_error entries for a squid server.
Squid::Action::SslBump
: Possible SSLBump optionsSquid::PkgEnsure
: Custom type representing package status and/or versionSquid::Size
: Custom type containing the numeral value and the unit of messurement (Kilo- or Megabyte)
Module for configuring the squid caching service. The module will set the SELINUX-context for the cache_dir and port, needs puppet-selinux
class { 'squid': }
squid::acl { 'Safe_ports':
type => port,
entries => ['80'],
}
squid::http_access { 'Safe_ports':
action => allow,
}
squid::http_access{ '!Safe_ports':
action => deny,
}
class { 'squid':
cache_mem => '512 MB',
workers => 3,
coredump_dir => '/var/spool/squid',
}
class { 'squid':
cache_mem => '512 MB',
workers => 3,
coredump_dir => '/var/spool/squid',
acls => { 'remote_urls' => {
type => 'url_regex',
entries => ['http://example.org/path',
'http://example.com/anotherpath'],
},
},
http_access => { 'our_networks hosts' => { action => 'allow', }},
http_ports => { '10000' => { options => 'accel vhost', }},
snmp_ports => { '1000' => { process_number => 3, }},
cache_dirs => { '/data/' => { type => 'ufs', options => '15000 32 256 min-size=32769', process_number => 2 }},
url_rewrite_program => '/usr/bin/squidguard -c /etc/squidguard/squidguard.conf',
url_rewrite_children => 12,
url_rewrite_child_options => startup=1,
}
The following parameters are available in the squid
class:
ensure_service
enable_service
config
config_user
config_group
daemon_user
daemon_group
cache_mem
cache_replacement_policy
memory_replacement_policy
memory_cache_shared
maximum_object_size_in_memory
url_rewrite_program
url_rewrite_children
url_rewrite_child_options
access_log
coredump_dir
error_directory
err_page_stylesheet
package_name
package_ensure
service_name
max_filedescriptors
workers
snmp_incoming_address
buffered_logs
acls
visible_hostname
via
httpd_suppress_version_string
forwarded_for
http_access
http_ports
https_ports
icp_access
logformat
refresh_patterns
snmp_ports
send_hit
cache_dirs
ssl_bump
sslproxy_cert_error
extra_config_sections
service_restart
squid_bin_path
auth_params
cache
snmp_access
Data type: String
The ensure value of the squid service, defaults to running
.
Default value: $squid::params::ensure_service
Data type: Boolean
The enable value of the squid service, defaults to true
.
Default value: $squid::params::enable_service
Data type: String
Location of squid.conf file, defaults to /etc/squid/squid.conf
.
Default value: $squid::params::config
Data type: String
User which owns the config file, default depends on $operatingsystem
Default value: $squid::params::config_user
Data type: String
Group which owns the config file, default depends on $operatingsystem
Default value: $squid::params::config_group
Data type: String
User which runs the squid daemon, this is used for ownership of the cache directory, default depends on $operatingsystem
Default value: $squid::params::daemon_user
Data type: String
Group which runs the squid daemon, this is used for ownership of the cache directory, default depends on $operatingsystem
Default value: $squid::params::daemon_group
Data type: Squid::Size
Defaults to 256 MB
. http://www.squid-cache.org/Doc/config/cache_mem/
Default value: $squid::params::cache_mem
Data type: Optional[String]
Defaults to undef. http://www.squid-cache.org/Doc/config/cache_replacement_policy/
Default value: $squid::params::cache_replacement_policy
Data type: Optional[String]
Defaults to undef. http://www.squid-cache.org/Doc/config/memory_replacement_policy/
Default value: $squid::params::memory_replacement_policy
Data type: Optional[Variant[Enum['on', 'off'], Boolean]]
Defaults to undef. http://www.squid-cache.org/Doc/config/memory_cache_shared/.
Default value: $squid::params::memory_cache_shared
Data type: Squid::Size
Defaults to 512 KB
. http://www.squid-cache.org/Doc/config/maximum_object_size_in_memory/
Default value: $squid::params::maximum_object_size_in_memory
Data type: Optional[String]
Defaults to undef http://www.squid-cache.org/Doc/config/url_rewrite_program/
Default value: $squid::params::url_rewrite_program
Data type: Optional[Integer]
Defaults to undef http://www.squid-cache.org/Doc/config/url_rewrite_children/
Default value: $squid::params::url_rewrite_children
Data type: Optional[String]
Defaults to undef http://www.squid-cache.org/Doc/config/url_rewrite_children/
Default value: $squid::params::url_rewrite_child_options
Data type: Variant[String, Array[String]]
Defaults to daemon:/var/logs/squid/access.log squid
. May be passed an Array. http://www.squid-cache.org/Doc/config/access_log/
Default value: $squid::params::access_log
Data type: Optional[String]
Defaults to undef. http://www.squid-cache.org/Doc/config/coredump_dir/
Default value: $squid::params::coredump_dir
Data type: Optional[Stdlib::Absolutepath]
Defaults to undef. http://www.squid-cache.org/Doc/config/error_directory/
Default value: $squid::params::error_directory
Data type: Optional[Stdlib::Absolutepath]
Defaults to undef. http://www.squid-cache.org/Doc/config/err_page_stylesheet/
Default value: $squid::params::err_page_stylesheet
Data type: String
Name of the squid package to manage, default depends on $operatingsystem
Default value: $squid::params::package_name
Data type: Squid::PkgEnsure
Package status and/or version, default to present
Default value: $squid::params::package_ensure
Data type: String
Name of the squid service to manage, default depends on $operatingsystem
Default value: $squid::params::service_name
Data type: Optional[Integer]
Defaults to undef. http://www.squid-cache.org/Doc/config/max_filedescriptors/
Default value: $squid::params::max_filedescriptors
Data type: Optional[Integer]
Defaults to undef. http://www.squid-cache.org/Doc/config/workers/
Default value: $squid::params::workers
Data type: Optional[Stdlib::Ip::Address]
Defaults to undef. Can be set to an IP address to only listen for snmp requests on an individual interface. http://www.squid-cache.org/Doc/config/snmp_incoming_address/
Default value: $squid::params::snmp_incoming_address
Data type: Optional[Boolean]
Defaults to undef. http://www.squid-cache.org/Doc/config/buffered_logs/
Default value: $squid::params::buffered_logs
Data type: Optional[Hash]
Defaults to undef. If you pass in a hash of acl entries, they will be defined automatically. http://www.squid-cache.org/Doc/config/acl/
Default value: $squid::params::acls
Data type: Optional[String]
Defaults to undef. http://www.squid-cache.org/Doc/config/visible_hostname/
Default value: $squid::params::visible_hostname
Data type: Optional[Boolean]
Defaults to undef. http://www.squid-cache.org/Doc/config/via/
Default value: $squid::params::via
Data type: Optional[Boolean]
Defaults to undef. http://www.squid-cache.org/Doc/config/httpd_suppress_version_string/
Default value: $squid::params::httpd_suppress_version_string
Data type: Optional[Variant[Enum['on', 'off', 'transparent', 'delete', 'truncate'], Boolean]]
Defaults to undef. supported values are "on", "off", "transparent", "delete", "truncate". http://www.squid-cache.org/Doc/config/forwarded_for/
Default value: $squid::params::forwarded_for
Data type: Optional[Hash]
Defaults to undef. If you pass in a hash of http_access entries, they will be defined automatically. http://www.squid-cache.org/Doc/config/http_access/
Default value: $squid::params::http_access
Data type: Optional[Hash]
Defaults to undef. If you pass in a hash of http_port entries, they will be defined automatically. http://www.squid-cache.org/Doc/config/http_port/
Default value: $squid::params::http_ports
Data type: Optional[Hash]
Defaults to undef. If you pass in a hash of https_port entries, they will be defined automatically. http://www.squid-cache.org/Doc/config/https_port/
Default value: $squid::params::https_ports
Data type: Optional[Hash]
Defaults to undef. If you pass in a hash of icp_access entries, they will be defined automatically. http://www.squid-cache.org/Doc/config/icp_access/
Default value: $squid::params::icp_access
Data type: Optional[Variant[String, Array[String]]]
Defaults to undef. If you pass in a logformat String, it will be defined automatically. May be passed an Array. http://www.squid-cache.org/Doc/config/logformat/
Default value: $squid::params::logformat
Data type: Optional[Hash]
Defaults to undef. If you pass a hash of refresh_pattern entires, they will be defined automatically. http://www.squid-cache.org/Doc/config/refresh_pattern/
Default value: $squid::params::refresh_patterns
Data type: Optional[Hash]
Defaults to undef. If you pass in a hash of snmp_port entries, they will be defined automatically. http://www.squid-cache.org/Doc/config/snmp_port/
Default value: $squid::params::snmp_ports
Data type: Optional[Hash]
Defaults to undef. If you pass in a hash of send_hit entries, they will be defined automatically. http://www.squid-cache.org/Doc/config/send_hit/
Default value: $squid::params::send_hit
Data type: Optional[Hash]
Defaults to undef. If you pass in a hash of cache_dir entries, they will be defined automatically. http://www.squid-cache.org/Doc/config/cache_dir/
Default value: $squid::params::cache_dirs
Data type: Optional[Hash]
Defaults to undef. If you pass in a hash of ssl_bump entries, they will be defined automatically. http://www.squid-cache.org/Doc/config/ssl_bump/
Default value: $squid::params::ssl_bump
Data type: Optional[Hash]
Defaults to undef. If you pass in a hash of sslproxy_cert_error entries, they will be defined automatically. http://www.squid-cache.org/Doc/config/sslproxy_cert_error/
Default value: $squid::params::sslproxy_cert_error
Data type: Hash
Defaults to empty hash. If you pass in a hash of extra_config_section
resources, they will be defined automatically.
Default value: {}
Data type: Optional[String]
Defaults to undef. Overrides service resource restart command to be executed. It can be used to perform a soft reload of the squid service.
Default value: $squid::params::service_restart
Data type: Stdlib::Absolutepath
Path to the squid binary, default depends on $operatingsystem
Default value: $squid::params::squid_bin_path
Data type: Optional[Hash]
Default value: $squid::params::auth_params
Data type: Optional[Hash]
Default value: $squid::params::cache
Data type: Optional[Hash]
Default value: $squid::params::snmp_access
Defines acl entries for a squid server.
squid::acl { 'remote_urls':
type => 'url_regex',
entries => ['http://example.org/path',
'http://example.com/anotherpath'],
}
The following parameters are available in the squid::acl
defined type:
Data type: String
The acltype of the acl, must be defined, e.g url_regex, urlpath_regex, port, ..
Data type: String
The name of acl, defaults to the title
.
Default value: $title
Data type: Array
An array of acl entries, multiple members results in multiple lines in squid.conf.
Default value: []
Data type: String
Each ACL has an order 05
by default this can be specified if order of ACL definition matters.
Default value: '05'
Data type: String
Default value: "acl fragment for ${aclname}"
Defines auth_param entries for a squid server.
squid::auth_param { 'basic auth_param':
scheme => 'basic',
entries => [
'program /usr/lib64/squid/basic_ncsa_auth /etc/squid/.htpasswd',
'children 5',
'realm Squid Basic Authentication',
'credentialsttl 5 hours',
],
}
would result in multi entry squid auth_param:
auth_param basic program /usr/lib64/squid/basic_ncsa_auth /etc/squid/.htpasswd
auth_param basic children 5
auth_param basic realm Squid Basic Authentication
auth_param basic credentialsttl 5 hours
The following parameters are available in the squid::auth_param
defined type:
Data type: Enum['basic', 'digest', 'negotiate', 'ntlm']
The scheme used for authentication must be defined. Valid values are 'basic', 'digest', 'negotiate' and 'ntlm'.
Data type: Array
An array of entries, multiple members results in multiple lines in squid.conf
Data type: String
Order can be used to configure where in squid.conf
this configuration section should occur.
Default value: '40'
Data type: String
Default value: $title
Defines cache entries for a squid server.
squid::cache { 'our_network_hosts_acl':
action => 'deny',
comment => 'Our networks hosts are denied for caching',
}
Adds a squid.conf line:
#Our networks hosts denied for caching
cache deny our_network_hosts_acl
The following parameters are available in the squid::cache
defined type:
Data type: Enum['allow', 'deny']
Allow/deny caching for $title
Default value: 'allow'
Data type: String
Cache entry's preceding comment
Default value: "cache fragment for ${value}"
Data type: String
Order can be used to configure where in squid.conf
this configuration section should occur.
Default value: '05'
Data type: String
Default value: $title
Defines cache_dir entries for a squid server.
squid::cache_dir { '/data':
type => 'ufs',
options => '15000 32 256 min-size=32769',
process_number => 2,
}
Results in the squid configuration of
if ${processor} = 2
cache_dir ufs 15000 32 256 min-size=32769
endif
The following parameters are available in the squid::cache_dir
defined type:
Data type: String
The type of cache, e.g ufs. defaults to ufs
.
Default value: ufs
Data type: String
Defaults to the namevar, file path to cache.
Default value: $title
Data type: Optional[String[1]]
String of options for the cache.
Default value: undef
Data type: Optional[Integer]
If specfied as an integer the cache will be wrapped
in a if $proceess_number
statement so the cache will be used by only
one process. Default is undef.
Default value: undef
Data type: Boolean
If true puppet will attempt to create the directory, if false you will have to create it yourself. Make sure the directory has the correct owner, group and mode. Defaults to true.
Default value: true
Data type: String
Order can be used to configure where in squid.conf
this configuration section should occur.
Default value: '05'
The extra_config_section
defiend type can be used for configuration directives that have not been exposed individually in this module.
squid::extra_config_section { 'mail settings':
order => '60',
config_entries => {
'mail_from' => '[email protected]',
'mail_program' => 'mail',
},
}
Results in a squid configuration of
# mail settings
mail_from [email protected]
mail_program mail
squid::extra_config_section { 'ssl_bump settings':
order => '60',
config_entries => {
'ssl_bump' => ['server-first', 'all'],
'sslcrtd_program' => ['/usr/lib64/squid/ssl_crtd', '-s', '/var/lib/ssl_db', '-M', '4MB'],
'sslcrtd_children' => ['8', 'startup=1', 'idle=1'],
}
}
Results in a squid configuration of:
# ssl_bump settings
ssl_bump server-first all
sslcrtd_program /usr/lib64/squid/ssl_crtd -s /var/lib/ssl_db -M 4MB
sslcrtd_children 8 startup=1 idle=1
squid::extra_config_section { 'always_directs':
order => '60',
config_entries => [{
'always_direct' => ['deny www.reallyreallybadplace.com',
'allow my-good-dst',
'allow my-other-good-dst'],
}],
}
Results in a squid configuration of
# always_directs
always_direct deny www.reallyreallybadplace.com
always_direct allow my-good-dst
always_direct allow my-other-good-dst
The following parameters are available in the squid::extra_config_section
defined type:
Data type: String
Defaults to the namevar and is used as a section comment in squid.conf
.
Default value: $title
Data type: Variant[Array,Hash]
A hash of configuration entries to create in this section. The hash key is the name of the configuration directive. The value is either a string, or an array of strings to use as the configuration directive options.
Default value: {}
Data type: String
Order can be used to configure where in squid.conf
this configuration section should occur.
Default value: '60'
Defines http_access entries for a squid server.
squid::http_access { 'our_networks hosts':
action => 'allow',
}
Adds a squid.conf line
# http_access fragment for out_networks hosts
http_access allow our_networks hosts
squid::http_access { 'our_networks hosts':
action => 'allow',
comment => 'Our networks hosts are allowed',
}
Adds a squid.conf line
# Our networks hosts are allowed
http_access allow our_networks hosts
The following parameters are available in the squid::http_access
defined type:
The name of the ACL the rule is applied to
Data type: Enum['allow', 'deny']
allow or deny access for $title
Default value: 'allow'
Data type: String
Order can be used to configure where in squid.conf
this configuration section should occur.
Default value: '05'
Data type: String
http_access entry's preceding comment
Default value: "http_access fragment for ${value}"
Data type: String
Default value: $title
Defines http_port entries for a squid server.
By setting optional ssl
parameter to true
will create https_port entries instead.
squid::http_port { '10000':
options => 'accel vhost'
}
squid::http_port { '10001':
ssl => true,
options => 'cert=/etc/squid/ssl_cert/server.cert key=/etc/squid/ssl_cert/server.key'
}
squid::http_port { '127.0.0.1:3128':
}
Results in a squid configuration of:
http_port 10000 accel vhost
https_port 10001 cert=/etc/squid/ssl_cert/server.cert key=/etc/squid/ssl_cert/server.key
http_port 127.0.0.1:3128
The following parameters are available in the squid::http_port
defined type:
The title/namevar may be in the form port
or host:port
to provide the below values. Otherwise,
specify port
explicitly, and host
if desired.
Data type: Optional[Stdlib::Port]
Defaults to the port of the namevar and is the port number to listen on.
Default value: undef
Data type: Optional[Stdlib::Host]
Defaults to the host part of the namevar and is the interface to listen on. If not specified, Squid listens on all interfaces.
Default value: undef
Data type: Optional[String[1]]
A string to specify any options for the default.
Default value: undef
Data type: Boolean
When set to true
creates https_port entries. Defaults to false
.
Default value: false
Data type: String
Order can be used to configure where in squid.conf
this configuration section should occur.
Default value: '05'
Defines https_port entries for a squid server. Results are the same with http_port and ssl set to true
.
The following parameters are available in the squid::https_port
defined type:
Data type: Variant[Pattern[/\d+/], Integer]
defaults to the namevar and is the port number.
Default value: $title
Data type: Optional[String[1]]
A string to specify any options to add to the https_port line.
Default value: undef
Data type: String
Order can be used to configure where in squid.conf
this configuration section should occur.
Default value: '05'
Defines icp_access entries for a squid server.
squid::icp_access { 'our_networks hosts':
action => 'allow',
}
Adds a squid.conf line
icp_access allow our_networks hosts
The following parameters are available in the squid::icp_access
defined type:
Data type: Enum['allow', 'deny']
Must be deny
or allow
. By default it is allow. The squid.conf file is ordered so by default
all allows appear before all denys. This can be overidden with the order
parameter.
Default value: 'allow'
Data type: String
Order can be used to configure where in squid.conf
this configuration section should occur.
Default value: '05'
Data type: String
Default value: $title
Defines refresh_pattern entries for a squid server.
squid::refresh_pattern { '^ftp:':
min => 1440,
max => 10080,
percent => 20,
order => 60,
}
squid::refresh_pattern { '(/cgi-bin/|\?)':
case_sensitive => false,
min => 0,
max => 0,
percent => 0,
order => 61,
}
would result in the following squid refresh patterns:
# refresh_pattern fragment for ^ftp
refresh_pattern ^ftp: 1440 20% 10080
# refresh_pattern fragment for (/cgi-bin/|\?)
refresh_pattern (/cgi-bin/|\?) -i 0 0% 0
squid::refresh_patterns:
'^ftp':
max: 10080
min: 1440
percent: 20
order: '60'
'^gopher':
max: 1440
min: 1440
percent: 0
order: '61'
'(/cgi-bin/|\?)':
case_sensitive: false
max: 0
min: 0
percent: 0
order: '62'
'.':
max: 4320
min: 0
percent: 20
order: '63'
The following parameters are available in the squid::refresh_pattern
defined type:
Data type: Boolean
If true (default) the regex is case sensitive, when false the case insensitive flag '-i' is added to the pattern
Default value: true
Data type: String
Comment added before refresh rule, defaults to refresh_pattern fragment for title
Default value: "refresh_pattern fragment for ${pattern}"
Data type: Integer
Must be defined, the time (in minutes) an object without an explicit expiry time should be considered fresh.
Data type: Integer
Must be defined, the upper limit (in minutes) on how long objects without an explicit expiry time will be considered fresh.
Data type: Integer
Must be defined, is a percentage of the objects age (time since last modification age)
Data type: Optional[String[1]]
See squid documentation for available options.
Default value: undef
Data type: String
Each refresh_pattern has an order 05
by default this can be specified if order of refresh_pattern definition matters.
Default value: '05'
Data type: String
Default value: $title
Defines send_hit for a squid server.
squid:::send_hit{'PragmaNoCache':
action => 'deny',
}
Adds the following squid.conf line:
send_hit deny PragmaNoCache
The following parameters are available in the squid::send_hit
defined type:
Data type: String
Defaults to the namevar
. The rule to allow or deny.
Default value: $title
Data type: Enum['allow', 'deny']
Must one of deny
or allow
Default value: 'allow'
Data type: String
Order can be used to configure where in squid.conf
this configuration section should occur.
Default value: '05'
Data type: String
A preceeding comment to add to the configuration file.
Default value: "send_hit fragment for ${value}"
Defines snmp_access entries for a squid server.
squid::snmp_access { 'monitoring hosts':
action => 'allow',
}
Adds a squid.conf line
# snmp_access fragment for monitoring hosts
snmp_access allow monitoring hosts
squid::snmp_access { 'monitoring hosts':
action => 'allow',
comment => 'Our monitoring hosts are allowed',
}
Adds a squid.conf line:
# Our monitoring hosts are allowed
snmp_access allow monitoring hosts
The following parameters are available in the squid::snmp_access
defined type:
Data type: Enum['allow', 'deny']
Allow or deny access for $title
Default value: 'allow'
Data type: String
Order can be used to configure where in squid.conf
this configuration section should occur.
Default value: '05'
Data type: String
snmp_access entry's preceding comment
Default value: "snmp_access fragment for ${value}"
Data type: String
Default value: $title
Defines snmp_port entries for a squid server.
squid::snmp_port { '1000':
process_number => 3
}
Results in a squid configuration of
if ${process_number} = 3
snmp_port 1000
endif
The following parameters are available in the squid::snmp_port
defined type:
Data type: Variant[Pattern[/\d+/], Stdlib::Port]
Defaults to the namevar and is the port number.
Default value: $title
Data type: Optional[String[1]]
A string to specify any options for the default.
Default value: undef
Data type: Optional[Integer]
If set to and integer the snmp_port is enabled only for a particular squid thread. Defaults to undef.
Default value: undef
Data type: String
Order can be used to configure where in squid.conf
this configuration section should occur.
Default value: '05'
Defines ssl_bump entries for a squid server.
squid::ssl_bump { 'all':
action => 'bump',
}
Adds a squid.conf line
ssl_bump bump all
The following parameters are available in the squid::ssl_bump
defined type:
The name of acl the ssl_bump rule is applied to
Data type: Squid::Action::SslBump
The type of the ssl_bump, must be defined, e.g bump, peek, ..
Default value: 'bump'
Data type: String
Order can be used to configure where in squid.conf
this configuration section should occur.
Default value: '05'
Data type: String
Default value: $title
Defines sslproxy_cert_error entries for a squid server.
squid::sslproxy_cert_error { 'all':
action => 'allow',
}
Adds a squid.conf line
sslproxy_cert_error allow all
The following parameters are available in the squid::sslproxy_cert_error
defined type:
Data type: String
Defaults to the namevar
the rule to allow or deny.
Default value: $title
Data type: Enum['allow', 'deny']
Must be deny
or allow
. By default it is allow. The squid.conf file is ordered so by default
all allows appear before all denys. This can be overidden with the order
parameter.
Default value: 'allow'
Data type: String
Order can be used to configure where in squid.conf
this configuration section should occur.
Default value: '05'
Possible SSLBump options
Alias of Enum['bump', 'client-first', 'none', 'peek', 'peek-and-splice', 'server-first', 'splice', 'stare', 'terminate']
Custom type representing package status and/or version
Alias of Variant[Pattern[/^\d.*/], Enum['present', 'latest', 'absent', 'purged', 'held', 'installed']]
Custom type containing the numeral value and the unit of messurement (Kilo- or Megabyte)
Alias of Pattern[/^\d+ [KM]B$/]