Class: JSS::ExtensionAttribute

Inherits:
APIObject show all
Includes:
Creatable, Updatable
Defined in:
lib/jss/api_object/extension_attribute.rb,
lib/jss.rb

Overview

The parent class of ExtensionAttribute objects in the JSS.

The API extension attribute objects work with the definitions of extension attributes, not the resulting values stored in the JSS with the inventory reports.

This superclass, however, uses the AdvancedSearch subclasses to provide access to the reported values in two ways:

  • A list of target objects with a certain value for the ExtensionAttribute instance. See the #all_with_result method for details

  • A list of the most recent value for this ExtensionAttribute in all targets in the JSS

The ComputerExtensionAttribute subclass offers a ComputerExtensionAttribute#history method providing the history of values for the EA for one computer. This requires MySQL access to the JSS database since that history isn’t available via the API.

Subclasses of ExtensionAttribute must define these constants:

See Also:

Constant Summary collapse

DATA_TYPES =

What kinds of data can be created by EAs? Note, Dates must be in the format “YYYY-MM-DD hh:mm:ss”

["String", "Date", "Integer"]
DEFAULT_DATA_TYPE = 
"String"
INPUT_TYPES =

Where does the data come from?

[ "Text Field", "Pop-up Menu", "script", "LDAP Attribute Mapping"]
DEFAULT_INPUT_TYPE = 
"Text Field"
EDITABLE_INPUT_TYPES =

These input types can be modified, the others cannot.

["Text Field", "Pop-up Menu"]
WEB_DISPLAY_CHOICES =

Where can it be displayed in the WebApp? subclasses can add to this list

[
  "General",
  "Operating System",
  "Hardware",
  "User and Location",
  "Purchasing",
  "Extension Attributes"
]
DEFAULT_WEB_DISPLAY_CHOICE = 
"Extension Attributes"
LAST_RECON_FIELD = 
'Last Inventory Update'
LAST_RECON_FIELD_SYM = 
LAST_RECON_FIELD.gsub(' ', '_').to_sym
USERNAME_FIELD = 
"Username"
USERNAME_FIELD_SYM = 
USERNAME_FIELD.to_sym

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args = {}) ⇒ ExtensionAttribute

Returns a new instance of ExtensionAttribute.

See Also:



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# File 'lib/jss/api_object/extension_attribute.rb', line 150

def initialize(args = {})

  super args

  ### @init_data now has the raw data
  ### so fill in our attributes or set defaults

  @description = @init_data[:description]
  @data_type = @init_data[:data_type] || DEFAULT_DATA_TYPE
  @web_display = @init_data[:inventory_display] || DEFAULT_WEB_DISPLAY_CHOICE


  if @init_data[:input_type]
    @input_type = @init_data[:input_type][:type] || DEFAULT_INPUT_TYPE
    @popup_choices = @init_data[:input_type][:popup_choices]
  else
    @input_type = DEFAULT_INPUT_TYPE
  end

  ### the name of the EA might have spaces and caps, which the will come to us as symbols with the spaces
  ### as underscores, like this.
  @symbolized_name = @name.gsub(/-| /,'_').to_sym

end

Instance Attribute Details

#data_type ⇒ String

Returns the type of data created by the EA. Must be one of DATA_TYPES.

Returns:

  • (String) —

    the type of data created by the EA. Must be one of DATA_TYPES



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# File 'lib/jss/api_object/extension_attribute.rb', line 130

def data_type
  @data_type
end

#description ⇒ String Also known as: desc

Returns description of the ext attrib.

Returns:

  • (String) —

    description of the ext attrib



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# File 'lib/jss/api_object/extension_attribute.rb', line 127

def description
  @description
end

#input_type ⇒ String

Returns where does this data come from? Must be one of the INPUT_TYPES.

Returns:

  • (String) —

    where does this data come from? Must be one of the INPUT_TYPES.



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# File 'lib/jss/api_object/extension_attribute.rb', line 133

def input_type
  @input_type
end

#need_to_update ⇒ Boolean (readonly) Originally defined in module Updatable

Returns do we have unsaved changes?.

Returns:

  • (Boolean) —

    do we have unsaved changes?

#popup_choices ⇒ Array<String>

Returns the choices available in the UI when the @input_type is “Pop-up Menu”.

Returns:

  • (Array<String>) —

    the choices available in the UI when the @input_type is “Pop-up Menu”



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# File 'lib/jss/api_object/extension_attribute.rb', line 136

def popup_choices
  @popup_choices
end

#web_display ⇒ String

Returns In which part of the web UI does the data appear?.

Returns:

  • (String) —

    In which part of the web UI does the data appear?



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# File 'lib/jss/api_object/extension_attribute.rb', line 139

def web_display
  @web_display
end

Instance Method Details

#all_with_result(search_type, desired_value) ⇒ Array<Hash{:id=>Integer,:name=>String,:value=>String,Integer,Time}>

Get an Array of Hashes for all inventory objects with a desired result in their latest report for this EA.

Each Hash is one inventory object (computer, mobile device, user), with these keys:

:id - the computer id
:name - the computer name
:value - the matching ext attr value for the objects latest report.

This is done by creating a temprary AdvancedSearch for objects with matching values in the EA field, then getting the #search_results hash from it.

The AdvancedSearch is then deleted.

must be a member of JSS::Criterion::SEARCH_TYPES

Parameters:

  • search_type (String) —

    how are we comparing the stored value with the desired value.

  • desired_value (String) —

    the value to compare with the stored value to determine a match.

Returns:

Raises:



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# File 'lib/jss/api_object/extension_attribute.rb', line 330

def all_with_result(search_type, desired_value)
  raise JSS::NoSuchItemError, "EA Not In JSS! Use #create to create this #{self.class::RSRC_OBJECT_KEY}." unless @in_jss
  raise JSS::InvalidDataError, "Invalid search_type, see JSS::Criteriable::Criterion::SEARCH_TYPES" unless JSS::Criteriable::Criterion::SEARCH_TYPES.include? search_type.to_s
  begin

    search_class = self.class::TARGET_CLASS::SEARCH_CLASS
    acs = search_class.new :id => :new, :name => "JSSgem-EA-#{Time.now.to_jss_epoch}-result-search"
    acs.display_fields = [@name]
    crit_list = [JSS::Criteriable::Criterion.new(:and_or => "and", :name => @name, :search_type => search_type.to_s, :value => desired_value)]
    acs.criteria = JSS::Criteriable::Criteria.new crit_list

    acs.create :get_results

    results = []

    acs.search_results.each{ |i|
      value = case @data_type
        when "Date" then JSS.parse_datetime i[@symbolized_name]
        when "Integer" then i[@symbolized_name].to_i
        else i[@symbolized_name]
      end # case
      results << {:id => i[:id], :name => i[:name], :value => value}
    }

  ensure
    acs.delete
  end
  results
end

#clone(new_name) ⇒ APIObject Originally defined in module Creatable

make a clone of this API object, with a new name. The class must be creatable

Parameters:

  • name (String) —

    the name for the new object

Returns:

  • (APIObject) —

    An uncreated clone of this APIObject with the given name

Raises:

#create ⇒ Object

See Also:



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# File 'lib/jss/api_object/extension_attribute.rb', line 182

def create
  if @input_type == "Pop-up Menu"
      raise MissingDataError, "No popup_choices set for Pop-up Menu input_type." unless @popup_choices.kind_of? Array and (not @popup_choices.empty?)
  end
  super
end

#delete ⇒ Object

See Also:



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# File 'lib/jss/api_object/extension_attribute.rb', line 203

def delete
  orig_open_timeout = JSS.api_connection.cnx.options[:open_timeout]
  orig_timeout = JSS.api_connection.cnx.options[:timeout]
  JSS.api_connection.timeout = orig_timeout + 1800
  JSS.api_connection.open_timeout = orig_open_timeout + 1800
  begin
    super
  ensure
    JSS.api_connection.timeout = orig_timeout
    JSS.api_connection.open_timeout = orig_open_timeout
  end
end

#latest_values ⇒ Array<Hash{:id=>Integer,:name=>String,:value=>String,Integer,Time,:as_of=>Time}>

Return an Array of Hashes showing the most recent value for this EA on all inventory objects in the JSS.

Each Hash is one inventory object (computer, mobile device, user), with these keys:

:id - the jss id
:name - the object (computer, user, mobiledevice) name
:value - the most recent ext attr value for the object.
:as_of - the timestamp of when the value was collected (nil for User EAs)
:username - the username associated with the object

This is done by creating a temporary AdvancedSearch for all objects, with the EA as a display field. The #search_result then contains the desired data.

The AdvancedSearch is then deleted.

Returns:

Raises:

See Also:



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# File 'lib/jss/api_object/extension_attribute.rb', line 388

def latest_values
  raise JSS::NoSuchItemError, "EA Not In JSS! Use #create to create this #{self.class::RSRC_OBJECT_KEY}." unless @in_jss
  tmp_advsrch = "JSSgem-EA-#{Time.now.to_jss_epoch}-latest-search"

  begin
    search_class = self.class::TARGET_CLASS::SEARCH_CLASS
    acs = search_class.new :id => :new, :name => tmp_advsrch
    acs.display_fields = self.class::TARGET_CLASS == JSS::User ?  [@name, USERNAME_FIELD] : [@name, USERNAME_FIELD, LAST_RECON_FIELD]

    # search for 'Username like "" ' because all searchable object classes have a "Username" value
    crit =  JSS::Criteriable::Criterion.new(:and_or => "and", :name => "Username", :search_type => "like", :value => '')
    # crit = self.class::ALL_TARGETS_CRITERION
    acs.criteria = JSS::Criteriable::Criteria.new [crit]
    acs.create :get_results

    results = []

    acs.search_results.each do |i|
      value = case @data_type
        when "Date" then JSS.parse_datetime i[@symbolized_name]
        when "Integer" then i[@symbolized_name].to_i
        else i[@symbolized_name]
      end # case

      as_of = Time.parse(i[LAST_RECON_FIELD_SYM]) if i[LAST_RECON_FIELD_SYM]

      results << {:id => i[:id], :name => i[:name], :username => i[USERNAME_FIELD_SYM] , :value => value, :as_of => as_of }
    end #acs.search_results.each

  ensure
    acs.delete
    self.class::TARGET_CLASS::SEARCH_CLASS.new(:name => tmp_advsrch).delete if self.class::TARGET_CLASS::SEARCH_CLASS.all_names(:refresh).include? tmp_advsrch
  end

  results

end

#name=(newname) ⇒ void Originally defined in module Updatable

This method returns an undefined value.

Change the name of this item Remember to #update to push changes to the server.

Parameters:

  • newname (String) —

    the new name

Raises:

#update ⇒ Object

See Also:



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# File 'lib/jss/api_object/extension_attribute.rb', line 192

def update
  if @input_type == "Pop-up Menu"
      raise MissingDataError, "No popup_choices set for Pop-up Menu input_type." unless @popup_choices.kind_of? Array and (not @popup_choices.empty?)
  end
  super
end